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PHP Cross Reference of WordPress Trunk (Updated Daily) |
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1 <?php 2 /** 3 * Core Comment API 4 * 5 * @package WordPress 6 * @subpackage Comment 7 */ 8 9 /** 10 * Checks whether a comment passes internal checks to be allowed to add. 11 * 12 * If manual comment moderation is set in the administration, then all checks, 13 * regardless of their type and substance, will fail and the function will 14 * return false. 15 * 16 * If the number of links exceeds the amount in the administration, then the 17 * check fails. If any of the parameter contents contain any disallowed words, 18 * then the check fails. 19 * 20 * If the comment author was approved before, then the comment is automatically 21 * approved. 22 * 23 * If all checks pass, the function will return true. 24 * 25 * @since 1.2.0 26 * 27 * @global wpdb $wpdb WordPress database abstraction object. 28 * 29 * @param string $author Comment author name. 30 * @param string $email Comment author email. 31 * @param string $url Comment author URL. 32 * @param string $comment Content of the comment. 33 * @param string $user_ip Comment author IP address. 34 * @param string $user_agent Comment author User-Agent. 35 * @param string $comment_type Comment type, either user-submitted comment, 36 * trackback, or pingback. 37 * @return bool If all checks pass, true, otherwise false. 38 */ 39 function check_comment( $author, $email, $url, $comment, $user_ip, $user_agent, $comment_type ) { 40 global $wpdb; 41 42 // If manual moderation is enabled, skip all checks and return false. 43 if ( 1 == get_option( 'comment_moderation' ) ) { 44 return false; 45 } 46 47 /** This filter is documented in wp-includes/comment-template.php */ 48 $comment = apply_filters( 'comment_text', $comment, null, array() ); 49 50 // Check for the number of external links if a max allowed number is set. 51 $max_links = get_option( 'comment_max_links' ); 52 if ( $max_links ) { 53 $num_links = preg_match_all( '/<a [^>]*href/i', $comment, $out ); 54 55 /** 56 * Filters the number of links found in a comment. 57 * 58 * @since 3.0.0 59 * @since 4.7.0 Added the `$comment` parameter. 60 * 61 * @param int $num_links The number of links found. 62 * @param string $url Comment author's URL. Included in allowed links total. 63 * @param string $comment Content of the comment. 64 */ 65 $num_links = apply_filters( 'comment_max_links_url', $num_links, $url, $comment ); 66 67 /* 68 * If the number of links in the comment exceeds the allowed amount, 69 * fail the check by returning false. 70 */ 71 if ( $num_links >= $max_links ) { 72 return false; 73 } 74 } 75 76 $mod_keys = trim( get_option( 'moderation_keys' ) ); 77 78 // If moderation 'keys' (keywords) are set, process them. 79 if ( ! empty( $mod_keys ) ) { 80 $words = explode( "\n", $mod_keys ); 81 82 foreach ( (array) $words as $word ) { 83 $word = trim( $word ); 84 85 // Skip empty lines. 86 if ( empty( $word ) ) { 87 continue; 88 } 89 90 /* 91 * Do some escaping magic so that '#' (number of) characters in the spam 92 * words don't break things: 93 */ 94 $word = preg_quote( $word, '#' ); 95 96 /* 97 * Check the comment fields for moderation keywords. If any are found, 98 * fail the check for the given field by returning false. 99 */ 100 $pattern = "#$word#iu"; 101 if ( preg_match( $pattern, $author ) ) { 102 return false; 103 } 104 if ( preg_match( $pattern, $email ) ) { 105 return false; 106 } 107 if ( preg_match( $pattern, $url ) ) { 108 return false; 109 } 110 if ( preg_match( $pattern, $comment ) ) { 111 return false; 112 } 113 if ( preg_match( $pattern, $user_ip ) ) { 114 return false; 115 } 116 if ( preg_match( $pattern, $user_agent ) ) { 117 return false; 118 } 119 } 120 } 121 122 /* 123 * Check if the option to approve comments by previously-approved authors is enabled. 124 * 125 * If it is enabled, check whether the comment author has a previously-approved comment, 126 * as well as whether there are any moderation keywords (if set) present in the author 127 * email address. If both checks pass, return true. Otherwise, return false. 128 */ 129 if ( 1 == get_option( 'comment_previously_approved' ) ) { 130 if ( 'trackback' !== $comment_type && 'pingback' !== $comment_type && '' !== $author && '' !== $email ) { 131 $comment_user = get_user_by( 'email', wp_unslash( $email ) ); 132 if ( ! empty( $comment_user->ID ) ) { 133 $ok_to_comment = $wpdb->get_var( $wpdb->prepare( "SELECT comment_approved FROM $wpdb->comments WHERE user_id = %d AND comment_approved = '1' LIMIT 1", $comment_user->ID ) ); 134 } else { 135 // expected_slashed ($author, $email) 136 $ok_to_comment = $wpdb->get_var( $wpdb->prepare( "SELECT comment_approved FROM $wpdb->comments WHERE comment_author = %s AND comment_author_email = %s and comment_approved = '1' LIMIT 1", $author, $email ) ); 137 } 138 if ( ( 1 == $ok_to_comment ) && 139 ( empty( $mod_keys ) || ! str_contains( $email, $mod_keys ) ) ) { 140 return true; 141 } else { 142 return false; 143 } 144 } else { 145 return false; 146 } 147 } 148 return true; 149 } 150 151 /** 152 * Retrieves the approved comments for a post. 153 * 154 * @since 2.0.0 155 * @since 4.1.0 Refactored to leverage WP_Comment_Query over a direct query. 156 * 157 * @param int $post_id The ID of the post. 158 * @param array $args { 159 * Optional. See WP_Comment_Query::__construct() for information on accepted arguments. 160 * 161 * @type int $status Comment status to limit results by. Defaults to approved comments. 162 * @type int $post_id Limit results to those affiliated with a given post ID. 163 * @type string $order How to order retrieved comments. Default 'ASC'. 164 * } 165 * @return WP_Comment[]|int[]|int The approved comments, or number of comments if `$count` 166 * argument is true. 167 */ 168 function get_approved_comments( $post_id, $args = array() ) { 169 if ( ! $post_id ) { 170 return array(); 171 } 172 173 $defaults = array( 174 'status' => 1, 175 'post_id' => $post_id, 176 'order' => 'ASC', 177 ); 178 $parsed_args = wp_parse_args( $args, $defaults ); 179 180 $query = new WP_Comment_Query(); 181 return $query->query( $parsed_args ); 182 } 183 184 /** 185 * Retrieves comment data given a comment ID or comment object. 186 * 187 * If an object is passed then the comment data will be cached and then returned 188 * after being passed through a filter. If the comment is empty, then the global 189 * comment variable will be used, if it is set. 190 * 191 * @since 2.0.0 192 * 193 * @global WP_Comment $comment Global comment object. 194 * 195 * @param WP_Comment|string|int $comment Comment to retrieve. 196 * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which 197 * correspond to a WP_Comment object, an associative array, or a numeric array, 198 * respectively. Default OBJECT. 199 * @return WP_Comment|array|null Depends on $output value. 200 */ 201 function get_comment( $comment = null, $output = OBJECT ) { 202 if ( empty( $comment ) && isset( $GLOBALS['comment'] ) ) { 203 $comment = $GLOBALS['comment']; 204 } 205 206 if ( $comment instanceof WP_Comment ) { 207 $_comment = $comment; 208 } elseif ( is_object( $comment ) ) { 209 $_comment = new WP_Comment( $comment ); 210 } else { 211 $_comment = WP_Comment::get_instance( $comment ); 212 } 213 214 if ( ! $_comment ) { 215 return null; 216 } 217 218 /** 219 * Fires after a comment is retrieved. 220 * 221 * @since 2.3.0 222 * 223 * @param WP_Comment $_comment Comment data. 224 */ 225 $_comment = apply_filters( 'get_comment', $_comment ); 226 227 if ( OBJECT === $output ) { 228 return $_comment; 229 } elseif ( ARRAY_A === $output ) { 230 return $_comment->to_array(); 231 } elseif ( ARRAY_N === $output ) { 232 return array_values( $_comment->to_array() ); 233 } 234 return $_comment; 235 } 236 237 /** 238 * Retrieves a list of comments. 239 * 240 * The comment list can be for the blog as a whole or for an individual post. 241 * 242 * @since 2.7.0 243 * 244 * @param string|array $args Optional. Array or string of arguments. See WP_Comment_Query::__construct() 245 * for information on accepted arguments. Default empty string. 246 * @return WP_Comment[]|int[]|int List of comments or number of found comments if `$count` argument is true. 247 */ 248 function get_comments( $args = '' ) { 249 $query = new WP_Comment_Query(); 250 return $query->query( $args ); 251 } 252 253 /** 254 * Retrieves all of the WordPress supported comment statuses. 255 * 256 * Comments have a limited set of valid status values, this provides the comment 257 * status values and descriptions. 258 * 259 * @since 2.7.0 260 * 261 * @return string[] List of comment status labels keyed by status. 262 */ 263 function get_comment_statuses() { 264 $status = array( 265 'hold' => __( 'Unapproved' ), 266 'approve' => _x( 'Approved', 'comment status' ), 267 'spam' => _x( 'Spam', 'comment status' ), 268 'trash' => _x( 'Trash', 'comment status' ), 269 ); 270 271 return $status; 272 } 273 274 /** 275 * Gets the default comment status for a post type. 276 * 277 * @since 4.3.0 278 * 279 * @param string $post_type Optional. Post type. Default 'post'. 280 * @param string $comment_type Optional. Comment type. Default 'comment'. 281 * @return string Either 'open' or 'closed'. 282 */ 283 function get_default_comment_status( $post_type = 'post', $comment_type = 'comment' ) { 284 switch ( $comment_type ) { 285 case 'pingback': 286 case 'trackback': 287 $supports = 'trackbacks'; 288 $option = 'ping'; 289 break; 290 default: 291 $supports = 'comments'; 292 $option = 'comment'; 293 break; 294 } 295 296 // Set the status. 297 if ( 'page' === $post_type ) { 298 $status = 'closed'; 299 } elseif ( post_type_supports( $post_type, $supports ) ) { 300 $status = get_option( "default_{$option}_status" ); 301 } else { 302 $status = 'closed'; 303 } 304 305 /** 306 * Filters the default comment status for the given post type. 307 * 308 * @since 4.3.0 309 * 310 * @param string $status Default status for the given post type, 311 * either 'open' or 'closed'. 312 * @param string $post_type Post type. Default is `post`. 313 * @param string $comment_type Type of comment. Default is `comment`. 314 */ 315 return apply_filters( 'get_default_comment_status', $status, $post_type, $comment_type ); 316 } 317 318 /** 319 * Retrieves the date the last comment was modified. 320 * 321 * @since 1.5.0 322 * @since 4.7.0 Replaced caching the modified date in a local static variable 323 * with the Object Cache API. 324 * 325 * @global wpdb $wpdb WordPress database abstraction object. 326 * 327 * @param string $timezone Which timezone to use in reference to 'gmt', 'blog', or 'server' locations. 328 * @return string|false Last comment modified date on success, false on failure. 329 */ 330 function get_lastcommentmodified( $timezone = 'server' ) { 331 global $wpdb; 332 333 $timezone = strtolower( $timezone ); 334 $key = "lastcommentmodified:$timezone"; 335 336 $comment_modified_date = wp_cache_get( $key, 'timeinfo' ); 337 if ( false !== $comment_modified_date ) { 338 return $comment_modified_date; 339 } 340 341 switch ( $timezone ) { 342 case 'gmt': 343 $comment_modified_date = $wpdb->get_var( "SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1" ); 344 break; 345 case 'blog': 346 $comment_modified_date = $wpdb->get_var( "SELECT comment_date FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1" ); 347 break; 348 case 'server': 349 $add_seconds_server = gmdate( 'Z' ); 350 351 $comment_modified_date = $wpdb->get_var( $wpdb->prepare( "SELECT DATE_ADD(comment_date_gmt, INTERVAL %s SECOND) FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1", $add_seconds_server ) ); 352 break; 353 } 354 355 if ( $comment_modified_date ) { 356 wp_cache_set( $key, $comment_modified_date, 'timeinfo' ); 357 358 return $comment_modified_date; 359 } 360 361 return false; 362 } 363 364 /** 365 * Retrieves the total comment counts for the whole site or a single post. 366 * 367 * @since 2.0.0 368 * 369 * @param int $post_id Optional. Restrict the comment counts to the given post. Default 0, which indicates that 370 * comment counts for the whole site will be retrieved. 371 * @return int[] { 372 * The number of comments keyed by their status. 373 * 374 * @type int $approved The number of approved comments. 375 * @type int $awaiting_moderation The number of comments awaiting moderation (a.k.a. pending). 376 * @type int $spam The number of spam comments. 377 * @type int $trash The number of trashed comments. 378 * @type int $post-trashed The number of comments for posts that are in the trash. 379 * @type int $total_comments The total number of non-trashed comments, including spam. 380 * @type int $all The total number of pending or approved comments. 381 * } 382 */ 383 function get_comment_count( $post_id = 0 ) { 384 $post_id = (int) $post_id; 385 386 $comment_count = array( 387 'approved' => 0, 388 'awaiting_moderation' => 0, 389 'spam' => 0, 390 'trash' => 0, 391 'post-trashed' => 0, 392 'total_comments' => 0, 393 'all' => 0, 394 ); 395 396 $args = array( 397 'count' => true, 398 'update_comment_meta_cache' => false, 399 'orderby' => 'none', 400 ); 401 if ( $post_id > 0 ) { 402 $args['post_id'] = $post_id; 403 } 404 $mapping = array( 405 'approved' => 'approve', 406 'awaiting_moderation' => 'hold', 407 'spam' => 'spam', 408 'trash' => 'trash', 409 'post-trashed' => 'post-trashed', 410 ); 411 $comment_count = array(); 412 foreach ( $mapping as $key => $value ) { 413 $comment_count[ $key ] = get_comments( array_merge( $args, array( 'status' => $value ) ) ); 414 } 415 416 $comment_count['all'] = $comment_count['approved'] + $comment_count['awaiting_moderation']; 417 $comment_count['total_comments'] = $comment_count['all'] + $comment_count['spam']; 418 419 return array_map( 'intval', $comment_count ); 420 } 421 422 // 423 // Comment meta functions. 424 // 425 426 /** 427 * Adds meta data field to a comment. 428 * 429 * @since 2.9.0 430 * 431 * @link https://developer.wordpress.org/reference/functions/add_comment_meta/ 432 * 433 * @param int $comment_id Comment ID. 434 * @param string $meta_key Metadata name. 435 * @param mixed $meta_value Metadata value. Arrays and objects are stored as serialized data and 436 * will be returned as the same type when retrieved. Other data types will 437 * be stored as strings in the database: 438 * - false is stored and retrieved as an empty string ('') 439 * - true is stored and retrieved as '1' 440 * - numbers (both integer and float) are stored and retrieved as strings 441 * Must be serializable if non-scalar. 442 * @param bool $unique Optional. Whether the same key should not be added. 443 * Default false. 444 * @return int|false Meta ID on success, false on failure. 445 */ 446 function add_comment_meta( $comment_id, $meta_key, $meta_value, $unique = false ) { 447 return add_metadata( 'comment', $comment_id, $meta_key, $meta_value, $unique ); 448 } 449 450 /** 451 * Removes metadata matching criteria from a comment. 452 * 453 * You can match based on the key, or key and value. Removing based on key and 454 * value, will keep from removing duplicate metadata with the same key. It also 455 * allows removing all metadata matching key, if needed. 456 * 457 * @since 2.9.0 458 * 459 * @link https://developer.wordpress.org/reference/functions/delete_comment_meta/ 460 * 461 * @param int $comment_id Comment ID. 462 * @param string $meta_key Metadata name. 463 * @param mixed $meta_value Optional. Metadata value. If provided, 464 * rows will only be removed that match the value. 465 * Must be serializable if non-scalar. Default empty string. 466 * @return bool True on success, false on failure. 467 */ 468 function delete_comment_meta( $comment_id, $meta_key, $meta_value = '' ) { 469 return delete_metadata( 'comment', $comment_id, $meta_key, $meta_value ); 470 } 471 472 /** 473 * Retrieves comment meta field for a comment. 474 * 475 * @since 2.9.0 476 * 477 * @link https://developer.wordpress.org/reference/functions/get_comment_meta/ 478 * 479 * @param int $comment_id Comment ID. 480 * @param string $key Optional. The meta key to retrieve. By default, 481 * returns data for all keys. Default empty string. 482 * @param bool $single Optional. Whether to return a single value. 483 * This parameter has no effect if `$key` is not specified. 484 * Default false. 485 * @return mixed An array of values if `$single` is false. 486 * The value of meta data field if `$single` is true. 487 * False for an invalid `$comment_id` (non-numeric, zero, or negative value). 488 * An empty array if a valid but non-existing comment ID is passed and `$single` is false. 489 * An empty string if a valid but non-existing comment ID is passed and `$single` is true. 490 * Note: Non-serialized values are returned as strings: 491 * - false values are returned as empty strings ('') 492 * - true values are returned as '1' 493 * - numbers are returned as strings 494 * Arrays and objects retain their original type. 495 */ 496 function get_comment_meta( $comment_id, $key = '', $single = false ) { 497 return get_metadata( 'comment', $comment_id, $key, $single ); 498 } 499 500 /** 501 * Queue comment meta for lazy-loading. 502 * 503 * @since 6.3.0 504 * 505 * @param array $comment_ids List of comment IDs. 506 */ 507 function wp_lazyload_comment_meta( array $comment_ids ) { 508 if ( empty( $comment_ids ) ) { 509 return; 510 } 511 $lazyloader = wp_metadata_lazyloader(); 512 $lazyloader->queue_objects( 'comment', $comment_ids ); 513 } 514 515 /** 516 * Updates comment meta field based on comment ID. 517 * 518 * Use the $prev_value parameter to differentiate between meta fields with the 519 * same key and comment ID. 520 * 521 * If the meta field for the comment does not exist, it will be added. 522 * 523 * @since 2.9.0 524 * 525 * @link https://developer.wordpress.org/reference/functions/update_comment_meta/ 526 * 527 * @param int $comment_id Comment ID. 528 * @param string $meta_key Metadata key. 529 * @param mixed $meta_value Metadata value. Must be serializable if non-scalar. 530 * @param mixed $prev_value Optional. Previous value to check before updating. 531 * If specified, only update existing metadata entries with 532 * this value. Otherwise, update all entries. Default empty string. 533 * @return int|bool Meta ID if the key didn't exist, true on successful update, 534 * false on failure or if the value passed to the function 535 * is the same as the one that is already in the database. 536 */ 537 function update_comment_meta( $comment_id, $meta_key, $meta_value, $prev_value = '' ) { 538 return update_metadata( 'comment', $comment_id, $meta_key, $meta_value, $prev_value ); 539 } 540 541 /** 542 * Sets the cookies used to store an unauthenticated commentator's identity. Typically used 543 * to recall previous comments by this commentator that are still held in moderation. 544 * 545 * @since 3.4.0 546 * @since 4.9.6 The `$cookies_consent` parameter was added. 547 * 548 * @param WP_Comment $comment Comment object. 549 * @param WP_User $user Comment author's user object. The user may not exist. 550 * @param bool $cookies_consent Optional. Comment author's consent to store cookies. Default true. 551 */ 552 function wp_set_comment_cookies( $comment, $user, $cookies_consent = true ) { 553 // If the user already exists, or the user opted out of cookies, don't set cookies. 554 if ( $user->exists() ) { 555 return; 556 } 557 558 if ( false === $cookies_consent ) { 559 // Remove any existing cookies. 560 $past = time() - YEAR_IN_SECONDS; 561 setcookie( 'comment_author_' . COOKIEHASH, ' ', $past, COOKIEPATH, COOKIE_DOMAIN ); 562 setcookie( 'comment_author_email_' . COOKIEHASH, ' ', $past, COOKIEPATH, COOKIE_DOMAIN ); 563 setcookie( 'comment_author_url_' . COOKIEHASH, ' ', $past, COOKIEPATH, COOKIE_DOMAIN ); 564 565 return; 566 } 567 568 /** 569 * Filters the lifetime of the comment cookie in seconds. 570 * 571 * @since 2.8.0 572 * @since 6.6.0 The default $seconds value changed from 30000000 to YEAR_IN_SECONDS. 573 * 574 * @param int $seconds Comment cookie lifetime. Default YEAR_IN_SECONDS. 575 */ 576 $comment_cookie_lifetime = time() + apply_filters( 'comment_cookie_lifetime', YEAR_IN_SECONDS ); 577 578 $secure = ( 'https' === parse_url( home_url(), PHP_URL_SCHEME ) ); 579 580 setcookie( 'comment_author_' . COOKIEHASH, $comment->comment_author, $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure ); 581 setcookie( 'comment_author_email_' . COOKIEHASH, $comment->comment_author_email, $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure ); 582 setcookie( 'comment_author_url_' . COOKIEHASH, esc_url( $comment->comment_author_url ), $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure ); 583 } 584 585 /** 586 * Sanitizes the cookies sent to the user already. 587 * 588 * Will only do anything if the cookies have already been created for the user. 589 * Mostly used after cookies had been sent to use elsewhere. 590 * 591 * @since 2.0.4 592 */ 593 function sanitize_comment_cookies() { 594 if ( isset( $_COOKIE[ 'comment_author_' . COOKIEHASH ] ) ) { 595 /** 596 * Filters the comment author's name cookie before it is set. 597 * 598 * When this filter hook is evaluated in wp_filter_comment(), 599 * the comment author's name string is passed. 600 * 601 * @since 1.5.0 602 * 603 * @param string $author_cookie The comment author name cookie. 604 */ 605 $comment_author = apply_filters( 'pre_comment_author_name', $_COOKIE[ 'comment_author_' . COOKIEHASH ] ); 606 $comment_author = wp_unslash( $comment_author ); 607 $comment_author = esc_attr( $comment_author ); 608 609 $_COOKIE[ 'comment_author_' . COOKIEHASH ] = $comment_author; 610 } 611 612 if ( isset( $_COOKIE[ 'comment_author_email_' . COOKIEHASH ] ) ) { 613 /** 614 * Filters the comment author's email cookie before it is set. 615 * 616 * When this filter hook is evaluated in wp_filter_comment(), 617 * the comment author's email string is passed. 618 * 619 * @since 1.5.0 620 * 621 * @param string $author_email_cookie The comment author email cookie. 622 */ 623 $comment_author_email = apply_filters( 'pre_comment_author_email', $_COOKIE[ 'comment_author_email_' . COOKIEHASH ] ); 624 $comment_author_email = wp_unslash( $comment_author_email ); 625 $comment_author_email = esc_attr( $comment_author_email ); 626 627 $_COOKIE[ 'comment_author_email_' . COOKIEHASH ] = $comment_author_email; 628 } 629 630 if ( isset( $_COOKIE[ 'comment_author_url_' . COOKIEHASH ] ) ) { 631 /** 632 * Filters the comment author's URL cookie before it is set. 633 * 634 * When this filter hook is evaluated in wp_filter_comment(), 635 * the comment author's URL string is passed. 636 * 637 * @since 1.5.0 638 * 639 * @param string $author_url_cookie The comment author URL cookie. 640 */ 641 $comment_author_url = apply_filters( 'pre_comment_author_url', $_COOKIE[ 'comment_author_url_' . COOKIEHASH ] ); 642 $comment_author_url = wp_unslash( $comment_author_url ); 643 644 $_COOKIE[ 'comment_author_url_' . COOKIEHASH ] = $comment_author_url; 645 } 646 } 647 648 /** 649 * Validates whether this comment is allowed to be made. 650 * 651 * @since 2.0.0 652 * @since 4.7.0 The `$avoid_die` parameter was added, allowing the function 653 * to return a WP_Error object instead of dying. 654 * @since 5.5.0 The `$avoid_die` parameter was renamed to `$wp_error`. 655 * 656 * @global wpdb $wpdb WordPress database abstraction object. 657 * 658 * @param array $commentdata Contains information on the comment. 659 * @param bool $wp_error When true, a disallowed comment will result in the function 660 * returning a WP_Error object, rather than executing wp_die(). 661 * Default false. 662 * @return int|string|WP_Error Allowed comments return the approval status (0|1|'spam'|'trash'). 663 * If `$wp_error` is true, disallowed comments return a WP_Error. 664 */ 665 function wp_allow_comment( $commentdata, $wp_error = false ) { 666 global $wpdb; 667 668 /* 669 * Simple duplicate check. 670 * expected_slashed ($comment_post_ID, $comment_author, $comment_author_email, $comment_content) 671 */ 672 $dupe = $wpdb->prepare( 673 "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_parent = %s AND comment_approved != 'trash' AND ( comment_author = %s ", 674 wp_unslash( $commentdata['comment_post_ID'] ), 675 wp_unslash( $commentdata['comment_parent'] ), 676 wp_unslash( $commentdata['comment_author'] ) 677 ); 678 if ( $commentdata['comment_author_email'] ) { 679 $dupe .= $wpdb->prepare( 680 'AND comment_author_email = %s ', 681 wp_unslash( $commentdata['comment_author_email'] ) 682 ); 683 } 684 $dupe .= $wpdb->prepare( 685 ') AND comment_content = %s LIMIT 1', 686 wp_unslash( $commentdata['comment_content'] ) 687 ); 688 689 $dupe_id = $wpdb->get_var( $dupe ); 690 691 /** 692 * Filters the ID, if any, of the duplicate comment found when creating a new comment. 693 * 694 * Return an empty value from this filter to allow what WP considers a duplicate comment. 695 * 696 * @since 4.4.0 697 * 698 * @param int $dupe_id ID of the comment identified as a duplicate. 699 * @param array $commentdata Data for the comment being created. 700 */ 701 $dupe_id = apply_filters( 'duplicate_comment_id', $dupe_id, $commentdata ); 702 703 if ( $dupe_id ) { 704 /** 705 * Fires immediately after a duplicate comment is detected. 706 * 707 * @since 3.0.0 708 * 709 * @param array $commentdata Comment data. 710 */ 711 do_action( 'comment_duplicate_trigger', $commentdata ); 712 713 /** 714 * Filters duplicate comment error message. 715 * 716 * @since 5.2.0 717 * 718 * @param string $comment_duplicate_message Duplicate comment error message. 719 */ 720 $comment_duplicate_message = apply_filters( 'comment_duplicate_message', __( 'Duplicate comment detected; it looks as though you’ve already said that!' ) ); 721 722 if ( $wp_error ) { 723 return new WP_Error( 'comment_duplicate', $comment_duplicate_message, 409 ); 724 } else { 725 if ( wp_doing_ajax() ) { 726 die( $comment_duplicate_message ); 727 } 728 729 wp_die( $comment_duplicate_message, 409 ); 730 } 731 } 732 733 /** 734 * Fires immediately before a comment is marked approved. 735 * 736 * Allows checking for comment flooding. 737 * 738 * @since 2.3.0 739 * @since 4.7.0 The `$avoid_die` parameter was added. 740 * @since 5.5.0 The `$avoid_die` parameter was renamed to `$wp_error`. 741 * 742 * @param string $comment_author_ip Comment author's IP address. 743 * @param string $comment_author_email Comment author's email. 744 * @param string $comment_date_gmt GMT date the comment was posted. 745 * @param bool $wp_error Whether to return a WP_Error object instead of executing 746 * wp_die() or die() if a comment flood is occurring. 747 */ 748 do_action( 749 'check_comment_flood', 750 $commentdata['comment_author_IP'], 751 $commentdata['comment_author_email'], 752 $commentdata['comment_date_gmt'], 753 $wp_error 754 ); 755 756 /** 757 * Filters whether a comment is part of a comment flood. 758 * 759 * The default check is wp_check_comment_flood(). See check_comment_flood_db(). 760 * 761 * @since 4.7.0 762 * @since 5.5.0 The `$avoid_die` parameter was renamed to `$wp_error`. 763 * 764 * @param bool $is_flood Is a comment flooding occurring? Default false. 765 * @param string $comment_author_ip Comment author's IP address. 766 * @param string $comment_author_email Comment author's email. 767 * @param string $comment_date_gmt GMT date the comment was posted. 768 * @param bool $wp_error Whether to return a WP_Error object instead of executing 769 * wp_die() or die() if a comment flood is occurring. 770 */ 771 $is_flood = apply_filters( 772 'wp_is_comment_flood', 773 false, 774 $commentdata['comment_author_IP'], 775 $commentdata['comment_author_email'], 776 $commentdata['comment_date_gmt'], 777 $wp_error 778 ); 779 780 if ( $is_flood ) { 781 /** This filter is documented in wp-includes/comment-template.php */ 782 $comment_flood_message = apply_filters( 'comment_flood_message', __( 'You are posting comments too quickly. Slow down.' ) ); 783 784 return new WP_Error( 'comment_flood', $comment_flood_message, 429 ); 785 } 786 787 return wp_check_comment_data( $commentdata ); 788 } 789 790 /** 791 * Hooks WP's native database-based comment-flood check. 792 * 793 * This wrapper maintains backward compatibility with plugins that expect to 794 * be able to unhook the legacy check_comment_flood_db() function from 795 * 'check_comment_flood' using remove_action(). 796 * 797 * @since 2.3.0 798 * @since 4.7.0 Converted to be an add_filter() wrapper. 799 */ 800 function check_comment_flood_db() { 801 add_filter( 'wp_is_comment_flood', 'wp_check_comment_flood', 10, 5 ); 802 } 803 804 /** 805 * Checks whether comment flooding is occurring. 806 * 807 * Won't run, if current user can manage options, so to not block 808 * administrators. 809 * 810 * @since 4.7.0 811 * 812 * @global wpdb $wpdb WordPress database abstraction object. 813 * 814 * @param bool $is_flood Is a comment flooding occurring? 815 * @param string $ip Comment author's IP address. 816 * @param string $email Comment author's email address. 817 * @param string $date MySQL time string. 818 * @param bool $avoid_die When true, a disallowed comment will result in the function 819 * returning without executing wp_die() or die(). Default false. 820 * @return bool Whether comment flooding is occurring. 821 */ 822 function wp_check_comment_flood( $is_flood, $ip, $email, $date, $avoid_die = false ) { 823 global $wpdb; 824 825 // Another callback has declared a flood. Trust it. 826 if ( true === $is_flood ) { 827 return $is_flood; 828 } 829 830 // Don't throttle admins or moderators. 831 if ( current_user_can( 'manage_options' ) || current_user_can( 'moderate_comments' ) ) { 832 return false; 833 } 834 835 $hour_ago = gmdate( 'Y-m-d H:i:s', time() - HOUR_IN_SECONDS ); 836 837 if ( is_user_logged_in() ) { 838 $user = get_current_user_id(); 839 $check_column = '`user_id`'; 840 } else { 841 $user = $ip; 842 $check_column = '`comment_author_IP`'; 843 } 844 845 $sql = $wpdb->prepare( 846 "SELECT `comment_date_gmt` FROM `$wpdb->comments` WHERE `comment_date_gmt` >= %s AND ( $check_column = %s OR `comment_author_email` = %s ) ORDER BY `comment_date_gmt` DESC LIMIT 1", 847 $hour_ago, 848 $user, 849 $email 850 ); 851 852 $lasttime = $wpdb->get_var( $sql ); 853 854 if ( $lasttime ) { 855 $time_lastcomment = mysql2date( 'U', $lasttime, false ); 856 $time_newcomment = mysql2date( 'U', $date, false ); 857 858 /** 859 * Filters the comment flood status. 860 * 861 * @since 2.1.0 862 * 863 * @param bool $bool Whether a comment flood is occurring. Default false. 864 * @param int $time_lastcomment Timestamp of when the last comment was posted. 865 * @param int $time_newcomment Timestamp of when the new comment was posted. 866 */ 867 $flood_die = apply_filters( 'comment_flood_filter', false, $time_lastcomment, $time_newcomment ); 868 869 if ( $flood_die ) { 870 /** 871 * Fires before the comment flood message is triggered. 872 * 873 * @since 1.5.0 874 * 875 * @param int $time_lastcomment Timestamp of when the last comment was posted. 876 * @param int $time_newcomment Timestamp of when the new comment was posted. 877 */ 878 do_action( 'comment_flood_trigger', $time_lastcomment, $time_newcomment ); 879 880 if ( $avoid_die ) { 881 return true; 882 } else { 883 /** 884 * Filters the comment flood error message. 885 * 886 * @since 5.2.0 887 * 888 * @param string $comment_flood_message Comment flood error message. 889 */ 890 $comment_flood_message = apply_filters( 'comment_flood_message', __( 'You are posting comments too quickly. Slow down.' ) ); 891 892 if ( wp_doing_ajax() ) { 893 die( $comment_flood_message ); 894 } 895 896 wp_die( $comment_flood_message, 429 ); 897 } 898 } 899 } 900 901 return false; 902 } 903 904 /** 905 * Separates an array of comments into an array keyed by comment_type. 906 * 907 * @since 2.7.0 908 * 909 * @param WP_Comment[] $comments Array of comments 910 * @return WP_Comment[] Array of comments keyed by comment_type. 911 */ 912 function separate_comments( &$comments ) { 913 $comments_by_type = array( 914 'comment' => array(), 915 'trackback' => array(), 916 'pingback' => array(), 917 'pings' => array(), 918 ); 919 920 $count = count( $comments ); 921 922 for ( $i = 0; $i < $count; $i++ ) { 923 $type = $comments[ $i ]->comment_type; 924 925 if ( empty( $type ) ) { 926 $type = 'comment'; 927 } 928 929 $comments_by_type[ $type ][] = &$comments[ $i ]; 930 931 if ( 'trackback' === $type || 'pingback' === $type ) { 932 $comments_by_type['pings'][] = &$comments[ $i ]; 933 } 934 } 935 936 return $comments_by_type; 937 } 938 939 /** 940 * Calculates the total number of comment pages. 941 * 942 * @since 2.7.0 943 * 944 * @uses Walker_Comment 945 * 946 * @global WP_Query $wp_query WordPress Query object. 947 * 948 * @param WP_Comment[] $comments Optional. Array of WP_Comment objects. Defaults to `$wp_query->comments`. 949 * @param int $per_page Optional. Comments per page. Defaults to the value of `comments_per_page` 950 * query var, option of the same name, or 1 (in that order). 951 * @param bool $threaded Optional. Control over flat or threaded comments. Defaults to the value 952 * of `thread_comments` option. 953 * @return int Number of comment pages. 954 */ 955 function get_comment_pages_count( $comments = null, $per_page = null, $threaded = null ) { 956 global $wp_query; 957 958 if ( null === $comments && null === $per_page && null === $threaded && ! empty( $wp_query->max_num_comment_pages ) ) { 959 return $wp_query->max_num_comment_pages; 960 } 961 962 if ( ( ! $comments || ! is_array( $comments ) ) && ! empty( $wp_query->comments ) ) { 963 $comments = $wp_query->comments; 964 } 965 966 if ( empty( $comments ) ) { 967 return 0; 968 } 969 970 if ( ! get_option( 'page_comments' ) ) { 971 return 1; 972 } 973 974 if ( ! isset( $per_page ) ) { 975 $per_page = (int) get_query_var( 'comments_per_page' ); 976 } 977 if ( 0 === $per_page ) { 978 $per_page = (int) get_option( 'comments_per_page' ); 979 } 980 if ( 0 === $per_page ) { 981 return 1; 982 } 983 984 if ( ! isset( $threaded ) ) { 985 $threaded = get_option( 'thread_comments' ); 986 } 987 988 if ( $threaded ) { 989 $walker = new Walker_Comment(); 990 $count = ceil( $walker->get_number_of_root_elements( $comments ) / $per_page ); 991 } else { 992 $count = ceil( count( $comments ) / $per_page ); 993 } 994 995 return (int) $count; 996 } 997 998 /** 999 * Calculates what page number a comment will appear on for comment paging. 1000 * 1001 * @since 2.7.0 1002 * 1003 * @global wpdb $wpdb WordPress database abstraction object. 1004 * 1005 * @param int $comment_id Comment ID. 1006 * @param array $args { 1007 * Array of optional arguments. 1008 * 1009 * @type string $type Limit paginated comments to those matching a given type. 1010 * Accepts 'comment', 'trackback', 'pingback', 'pings' 1011 * (trackbacks and pingbacks), or 'all'. Default 'all'. 1012 * @type int $per_page Per-page count to use when calculating pagination. 1013 * Defaults to the value of the 'comments_per_page' option. 1014 * @type int|string $max_depth If greater than 1, comment page will be determined 1015 * for the top-level parent `$comment_id`. 1016 * Defaults to the value of the 'thread_comments_depth' option. 1017 * } 1018 * @return int|null Comment page number or null on error. 1019 */ 1020 function get_page_of_comment( $comment_id, $args = array() ) { 1021 global $wpdb; 1022 1023 $page = null; 1024 1025 $comment = get_comment( $comment_id ); 1026 if ( ! $comment ) { 1027 return; 1028 } 1029 1030 $defaults = array( 1031 'type' => 'all', 1032 'page' => '', 1033 'per_page' => '', 1034 'max_depth' => '', 1035 ); 1036 $args = wp_parse_args( $args, $defaults ); 1037 $original_args = $args; 1038 1039 // Order of precedence: 1. `$args['per_page']`, 2. 'comments_per_page' query_var, 3. 'comments_per_page' option. 1040 if ( get_option( 'page_comments' ) ) { 1041 if ( '' === $args['per_page'] ) { 1042 $args['per_page'] = get_query_var( 'comments_per_page' ); 1043 } 1044 1045 if ( '' === $args['per_page'] ) { 1046 $args['per_page'] = get_option( 'comments_per_page' ); 1047 } 1048 } 1049 1050 if ( empty( $args['per_page'] ) ) { 1051 $args['per_page'] = 0; 1052 $args['page'] = 0; 1053 } 1054 1055 if ( $args['per_page'] < 1 ) { 1056 $page = 1; 1057 } 1058 1059 if ( null === $page ) { 1060 if ( '' === $args['max_depth'] ) { 1061 if ( get_option( 'thread_comments' ) ) { 1062 $args['max_depth'] = get_option( 'thread_comments_depth' ); 1063 } else { 1064 $args['max_depth'] = -1; 1065 } 1066 } 1067 1068 // Find this comment's top-level parent if threading is enabled. 1069 if ( $args['max_depth'] > 1 && 0 != $comment->comment_parent ) { 1070 return get_page_of_comment( $comment->comment_parent, $args ); 1071 } 1072 1073 $comment_args = array( 1074 'type' => $args['type'], 1075 'post_id' => $comment->comment_post_ID, 1076 'fields' => 'ids', 1077 'count' => true, 1078 'status' => 'approve', 1079 'orderby' => 'none', 1080 'parent' => 0, 1081 'date_query' => array( 1082 array( 1083 'column' => "$wpdb->comments.comment_date_gmt", 1084 'before' => $comment->comment_date_gmt, 1085 ), 1086 ), 1087 ); 1088 1089 if ( is_user_logged_in() ) { 1090 $comment_args['include_unapproved'] = array( get_current_user_id() ); 1091 } else { 1092 $unapproved_email = wp_get_unapproved_comment_author_email(); 1093 1094 if ( $unapproved_email ) { 1095 $comment_args['include_unapproved'] = array( $unapproved_email ); 1096 } 1097 } 1098 1099 /** 1100 * Filters the arguments used to query comments in get_page_of_comment(). 1101 * 1102 * @since 5.5.0 1103 * 1104 * @see WP_Comment_Query::__construct() 1105 * 1106 * @param array $comment_args { 1107 * Array of WP_Comment_Query arguments. 1108 * 1109 * @type string $type Limit paginated comments to those matching a given type. 1110 * Accepts 'comment', 'trackback', 'pingback', 'pings' 1111 * (trackbacks and pingbacks), or 'all'. Default 'all'. 1112 * @type int $post_id ID of the post. 1113 * @type string $fields Comment fields to return. 1114 * @type bool $count Whether to return a comment count (true) or array 1115 * of comment objects (false). 1116 * @type string $status Comment status. 1117 * @type int $parent Parent ID of comment to retrieve children of. 1118 * @type array $date_query Date query clauses to limit comments by. See WP_Date_Query. 1119 * @type array $include_unapproved Array of IDs or email addresses whose unapproved comments 1120 * will be included in paginated comments. 1121 * } 1122 */ 1123 $comment_args = apply_filters( 'get_page_of_comment_query_args', $comment_args ); 1124 1125 $comment_query = new WP_Comment_Query(); 1126 $older_comment_count = $comment_query->query( $comment_args ); 1127 1128 // No older comments? Then it's page #1. 1129 if ( 0 == $older_comment_count ) { 1130 $page = 1; 1131 1132 // Divide comments older than this one by comments per page to get this comment's page number. 1133 } else { 1134 $page = (int) ceil( ( $older_comment_count + 1 ) / $args['per_page'] ); 1135 } 1136 } 1137 1138 /** 1139 * Filters the calculated page on which a comment appears. 1140 * 1141 * @since 4.4.0 1142 * @since 4.7.0 Introduced the `$comment_id` parameter. 1143 * 1144 * @param int $page Comment page. 1145 * @param array $args { 1146 * Arguments used to calculate pagination. These include arguments auto-detected by the function, 1147 * based on query vars, system settings, etc. For pristine arguments passed to the function, 1148 * see `$original_args`. 1149 * 1150 * @type string $type Type of comments to count. 1151 * @type int $page Calculated current page. 1152 * @type int $per_page Calculated number of comments per page. 1153 * @type int $max_depth Maximum comment threading depth allowed. 1154 * } 1155 * @param array $original_args { 1156 * Array of arguments passed to the function. Some or all of these may not be set. 1157 * 1158 * @type string $type Type of comments to count. 1159 * @type int $page Current comment page. 1160 * @type int $per_page Number of comments per page. 1161 * @type int $max_depth Maximum comment threading depth allowed. 1162 * } 1163 * @param int $comment_id ID of the comment. 1164 */ 1165 return apply_filters( 'get_page_of_comment', (int) $page, $args, $original_args, $comment_id ); 1166 } 1167 1168 /** 1169 * Retrieves the maximum character lengths for the comment form fields. 1170 * 1171 * @since 4.5.0 1172 * 1173 * @global wpdb $wpdb WordPress database abstraction object. 1174 * 1175 * @return int[] Array of maximum lengths keyed by field name. 1176 */ 1177 function wp_get_comment_fields_max_lengths() { 1178 global $wpdb; 1179 1180 $lengths = array( 1181 'comment_author' => 245, 1182 'comment_author_email' => 100, 1183 'comment_author_url' => 200, 1184 'comment_content' => 65525, 1185 ); 1186 1187 if ( $wpdb->is_mysql ) { 1188 foreach ( $lengths as $column => $length ) { 1189 $col_length = $wpdb->get_col_length( $wpdb->comments, $column ); 1190 $max_length = 0; 1191 1192 // No point if we can't get the DB column lengths. 1193 if ( is_wp_error( $col_length ) ) { 1194 break; 1195 } 1196 1197 if ( ! is_array( $col_length ) && (int) $col_length > 0 ) { 1198 $max_length = (int) $col_length; 1199 } elseif ( is_array( $col_length ) && isset( $col_length['length'] ) && (int) $col_length['length'] > 0 ) { 1200 $max_length = (int) $col_length['length']; 1201 1202 if ( ! empty( $col_length['type'] ) && 'byte' === $col_length['type'] ) { 1203 $max_length = $max_length - 10; 1204 } 1205 } 1206 1207 if ( $max_length > 0 ) { 1208 $lengths[ $column ] = $max_length; 1209 } 1210 } 1211 } 1212 1213 /** 1214 * Filters the lengths for the comment form fields. 1215 * 1216 * @since 4.5.0 1217 * 1218 * @param int[] $lengths Array of maximum lengths keyed by field name. 1219 */ 1220 return apply_filters( 'wp_get_comment_fields_max_lengths', $lengths ); 1221 } 1222 1223 /** 1224 * Compares the lengths of comment data against the maximum character limits. 1225 * 1226 * @since 4.7.0 1227 * 1228 * @param array $comment_data Array of arguments for inserting a comment. 1229 * @return WP_Error|true WP_Error when a comment field exceeds the limit, 1230 * otherwise true. 1231 */ 1232 function wp_check_comment_data_max_lengths( $comment_data ) { 1233 $max_lengths = wp_get_comment_fields_max_lengths(); 1234 1235 if ( isset( $comment_data['comment_author'] ) && mb_strlen( $comment_data['comment_author'], '8bit' ) > $max_lengths['comment_author'] ) { 1236 return new WP_Error( 'comment_author_column_length', __( '<strong>Error:</strong> Your name is too long.' ), 200 ); 1237 } 1238 1239 if ( isset( $comment_data['comment_author_email'] ) && strlen( $comment_data['comment_author_email'] ) > $max_lengths['comment_author_email'] ) { 1240 return new WP_Error( 'comment_author_email_column_length', __( '<strong>Error:</strong> Your email address is too long.' ), 200 ); 1241 } 1242 1243 if ( isset( $comment_data['comment_author_url'] ) && strlen( $comment_data['comment_author_url'] ) > $max_lengths['comment_author_url'] ) { 1244 return new WP_Error( 'comment_author_url_column_length', __( '<strong>Error:</strong> Your URL is too long.' ), 200 ); 1245 } 1246 1247 if ( isset( $comment_data['comment_content'] ) && mb_strlen( $comment_data['comment_content'], '8bit' ) > $max_lengths['comment_content'] ) { 1248 return new WP_Error( 'comment_content_column_length', __( '<strong>Error:</strong> Your comment is too long.' ), 200 ); 1249 } 1250 1251 return true; 1252 } 1253 1254 /** 1255 * Checks whether comment data passes internal checks or has disallowed content. 1256 * 1257 * @since 6.7.0 1258 * 1259 * @global wpdb $wpdb WordPress database abstraction object. 1260 * 1261 * @param array $comment_data Array of arguments for inserting a comment. 1262 * @return int|string|WP_Error The approval status on success (0|1|'spam'|'trash'), 1263 * WP_Error otherwise. 1264 */ 1265 function wp_check_comment_data( $comment_data ) { 1266 global $wpdb; 1267 1268 if ( ! empty( $comment_data['user_id'] ) ) { 1269 $user = get_userdata( $comment_data['user_id'] ); 1270 $post_author = $wpdb->get_var( 1271 $wpdb->prepare( 1272 "SELECT post_author FROM $wpdb->posts WHERE ID = %d LIMIT 1", 1273 $comment_data['comment_post_ID'] 1274 ) 1275 ); 1276 } 1277 1278 if ( isset( $user ) && ( $comment_data['user_id'] == $post_author || $user->has_cap( 'moderate_comments' ) ) ) { 1279 // The author and the admins get respect. 1280 $approved = 1; 1281 } else { 1282 // Everyone else's comments will be checked. 1283 if ( check_comment( 1284 $comment_data['comment_author'], 1285 $comment_data['comment_author_email'], 1286 $comment_data['comment_author_url'], 1287 $comment_data['comment_content'], 1288 $comment_data['comment_author_IP'], 1289 $comment_data['comment_agent'], 1290 $comment_data['comment_type'] 1291 ) ) { 1292 $approved = 1; 1293 } else { 1294 $approved = 0; 1295 } 1296 1297 if ( wp_check_comment_disallowed_list( 1298 $comment_data['comment_author'], 1299 $comment_data['comment_author_email'], 1300 $comment_data['comment_author_url'], 1301 $comment_data['comment_content'], 1302 $comment_data['comment_author_IP'], 1303 $comment_data['comment_agent'] 1304 ) ) { 1305 $approved = EMPTY_TRASH_DAYS ? 'trash' : 'spam'; 1306 } 1307 } 1308 1309 /** 1310 * Filters a comment's approval status before it is set. 1311 * 1312 * @since 2.1.0 1313 * @since 4.9.0 Returning a WP_Error value from the filter will short-circuit comment insertion 1314 * and allow skipping further processing. 1315 * 1316 * @param int|string|WP_Error $approved The approval status. Accepts 1, 0, 'spam', 'trash', 1317 * or WP_Error. 1318 * @param array $commentdata Comment data. 1319 */ 1320 return apply_filters( 'pre_comment_approved', $approved, $comment_data ); 1321 } 1322 1323 /** 1324 * Checks if a comment contains disallowed characters or words. 1325 * 1326 * @since 5.5.0 1327 * 1328 * @param string $author The author of the comment 1329 * @param string $email The email of the comment 1330 * @param string $url The url used in the comment 1331 * @param string $comment The comment content 1332 * @param string $user_ip The comment author's IP address 1333 * @param string $user_agent The author's browser user agent 1334 * @return bool True if comment contains disallowed content, false if comment does not 1335 */ 1336 function wp_check_comment_disallowed_list( $author, $email, $url, $comment, $user_ip, $user_agent ) { 1337 /** 1338 * Fires before the comment is tested for disallowed characters or words. 1339 * 1340 * @since 1.5.0 1341 * @deprecated 5.5.0 Use {@see 'wp_check_comment_disallowed_list'} instead. 1342 * 1343 * @param string $author Comment author. 1344 * @param string $email Comment author's email. 1345 * @param string $url Comment author's URL. 1346 * @param string $comment Comment content. 1347 * @param string $user_ip Comment author's IP address. 1348 * @param string $user_agent Comment author's browser user agent. 1349 */ 1350 do_action_deprecated( 1351 'wp_blacklist_check', 1352 array( $author, $email, $url, $comment, $user_ip, $user_agent ), 1353 '5.5.0', 1354 'wp_check_comment_disallowed_list', 1355 __( 'Please consider writing more inclusive code.' ) 1356 ); 1357 1358 /** 1359 * Fires before the comment is tested for disallowed characters or words. 1360 * 1361 * @since 5.5.0 1362 * 1363 * @param string $author Comment author. 1364 * @param string $email Comment author's email. 1365 * @param string $url Comment author's URL. 1366 * @param string $comment Comment content. 1367 * @param string $user_ip Comment author's IP address. 1368 * @param string $user_agent Comment author's browser user agent. 1369 */ 1370 do_action( 'wp_check_comment_disallowed_list', $author, $email, $url, $comment, $user_ip, $user_agent ); 1371 1372 $mod_keys = trim( get_option( 'disallowed_keys' ) ); 1373 if ( '' === $mod_keys ) { 1374 return false; // If moderation keys are empty. 1375 } 1376 1377 // Ensure HTML tags are not being used to bypass the list of disallowed characters and words. 1378 $comment_without_html = wp_strip_all_tags( $comment ); 1379 1380 $words = explode( "\n", $mod_keys ); 1381 1382 foreach ( (array) $words as $word ) { 1383 $word = trim( $word ); 1384 1385 // Skip empty lines. 1386 if ( empty( $word ) ) { 1387 continue; } 1388 1389 // Do some escaping magic so that '#' chars in the spam words don't break things: 1390 $word = preg_quote( $word, '#' ); 1391 1392 $pattern = "#$word#iu"; 1393 if ( preg_match( $pattern, $author ) 1394 || preg_match( $pattern, $email ) 1395 || preg_match( $pattern, $url ) 1396 || preg_match( $pattern, $comment ) 1397 || preg_match( $pattern, $comment_without_html ) 1398 || preg_match( $pattern, $user_ip ) 1399 || preg_match( $pattern, $user_agent ) 1400 ) { 1401 return true; 1402 } 1403 } 1404 return false; 1405 } 1406 1407 /** 1408 * Retrieves the total comment counts for the whole site or a single post. 1409 * 1410 * The comment stats are cached and then retrieved, if they already exist in the 1411 * cache. 1412 * 1413 * @see get_comment_count() Which handles fetching the live comment counts. 1414 * 1415 * @since 2.5.0 1416 * 1417 * @param int $post_id Optional. Restrict the comment counts to the given post. Default 0, which indicates that 1418 * comment counts for the whole site will be retrieved. 1419 * @return stdClass { 1420 * The number of comments keyed by their status. 1421 * 1422 * @type int $approved The number of approved comments. 1423 * @type int $moderated The number of comments awaiting moderation (a.k.a. pending). 1424 * @type int $spam The number of spam comments. 1425 * @type int $trash The number of trashed comments. 1426 * @type int $post-trashed The number of comments for posts that are in the trash. 1427 * @type int $total_comments The total number of non-trashed comments, including spam. 1428 * @type int $all The total number of pending or approved comments. 1429 * } 1430 */ 1431 function wp_count_comments( $post_id = 0 ) { 1432 $post_id = (int) $post_id; 1433 1434 /** 1435 * Filters the comments count for a given post or the whole site. 1436 * 1437 * @since 2.7.0 1438 * 1439 * @param array|stdClass $count An empty array or an object containing comment counts. 1440 * @param int $post_id The post ID. Can be 0 to represent the whole site. 1441 */ 1442 $filtered = apply_filters( 'wp_count_comments', array(), $post_id ); 1443 if ( ! empty( $filtered ) ) { 1444 return $filtered; 1445 } 1446 1447 $count = wp_cache_get( "comments-{$post_id}", 'counts' ); 1448 if ( false !== $count ) { 1449 return $count; 1450 } 1451 1452 $stats = get_comment_count( $post_id ); 1453 $stats['moderated'] = $stats['awaiting_moderation']; 1454 unset( $stats['awaiting_moderation'] ); 1455 1456 $stats_object = (object) $stats; 1457 wp_cache_set( "comments-{$post_id}", $stats_object, 'counts' ); 1458 1459 return $stats_object; 1460 } 1461 1462 /** 1463 * Trashes or deletes a comment. 1464 * 1465 * The comment is moved to Trash instead of permanently deleted unless Trash is 1466 * disabled, item is already in the Trash, or $force_delete is true. 1467 * 1468 * The post comment count will be updated if the comment was approved and has a 1469 * post ID available. 1470 * 1471 * @since 2.0.0 1472 * 1473 * @global wpdb $wpdb WordPress database abstraction object. 1474 * 1475 * @param int|WP_Comment $comment_id Comment ID or WP_Comment object. 1476 * @param bool $force_delete Whether to bypass Trash and force deletion. Default false. 1477 * @return bool True on success, false on failure. 1478 */ 1479 function wp_delete_comment( $comment_id, $force_delete = false ) { 1480 global $wpdb; 1481 1482 $comment = get_comment( $comment_id ); 1483 if ( ! $comment ) { 1484 return false; 1485 } 1486 1487 if ( ! $force_delete && EMPTY_TRASH_DAYS && ! in_array( wp_get_comment_status( $comment ), array( 'trash', 'spam' ), true ) ) { 1488 return wp_trash_comment( $comment_id ); 1489 } 1490 1491 /** 1492 * Fires immediately before a comment is deleted from the database. 1493 * 1494 * @since 1.2.0 1495 * @since 4.9.0 Added the `$comment` parameter. 1496 * 1497 * @param string $comment_id The comment ID as a numeric string. 1498 * @param WP_Comment $comment The comment to be deleted. 1499 */ 1500 do_action( 'delete_comment', $comment->comment_ID, $comment ); 1501 1502 // Move children up a level. 1503 $children = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_parent = %d", $comment->comment_ID ) ); 1504 if ( ! empty( $children ) ) { 1505 $wpdb->update( $wpdb->comments, array( 'comment_parent' => $comment->comment_parent ), array( 'comment_parent' => $comment->comment_ID ) ); 1506 clean_comment_cache( $children ); 1507 } 1508 1509 // Delete metadata. 1510 $meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->commentmeta WHERE comment_id = %d", $comment->comment_ID ) ); 1511 foreach ( $meta_ids as $mid ) { 1512 delete_metadata_by_mid( 'comment', $mid ); 1513 } 1514 1515 if ( ! $wpdb->delete( $wpdb->comments, array( 'comment_ID' => $comment->comment_ID ) ) ) { 1516 return false; 1517 } 1518 1519 /** 1520 * Fires immediately after a comment is deleted from the database. 1521 * 1522 * @since 2.9.0 1523 * @since 4.9.0 Added the `$comment` parameter. 1524 * 1525 * @param string $comment_id The comment ID as a numeric string. 1526 * @param WP_Comment $comment The deleted comment. 1527 */ 1528 do_action( 'deleted_comment', $comment->comment_ID, $comment ); 1529 1530 $post_id = $comment->comment_post_ID; 1531 if ( $post_id && 1 == $comment->comment_approved ) { 1532 wp_update_comment_count( $post_id ); 1533 } 1534 1535 clean_comment_cache( $comment->comment_ID ); 1536 1537 /** This action is documented in wp-includes/comment.php */ 1538 do_action( 'wp_set_comment_status', $comment->comment_ID, 'delete' ); 1539 1540 wp_transition_comment_status( 'delete', $comment->comment_approved, $comment ); 1541 1542 return true; 1543 } 1544 1545 /** 1546 * Moves a comment to the Trash 1547 * 1548 * If Trash is disabled, comment is permanently deleted. 1549 * 1550 * @since 2.9.0 1551 * 1552 * @param int|WP_Comment $comment_id Comment ID or WP_Comment object. 1553 * @return bool True on success, false on failure. 1554 */ 1555 function wp_trash_comment( $comment_id ) { 1556 if ( ! EMPTY_TRASH_DAYS ) { 1557 return wp_delete_comment( $comment_id, true ); 1558 } 1559 1560 $comment = get_comment( $comment_id ); 1561 if ( ! $comment ) { 1562 return false; 1563 } 1564 1565 /** 1566 * Fires immediately before a comment is sent to the Trash. 1567 * 1568 * @since 2.9.0 1569 * @since 4.9.0 Added the `$comment` parameter. 1570 * 1571 * @param string $comment_id The comment ID as a numeric string. 1572 * @param WP_Comment $comment The comment to be trashed. 1573 */ 1574 do_action( 'trash_comment', $comment->comment_ID, $comment ); 1575 1576 if ( wp_set_comment_status( $comment, 'trash' ) ) { 1577 delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_status' ); 1578 delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_time' ); 1579 add_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', $comment->comment_approved ); 1580 add_comment_meta( $comment->comment_ID, '_wp_trash_meta_time', time() ); 1581 1582 /** 1583 * Fires immediately after a comment is sent to Trash. 1584 * 1585 * @since 2.9.0 1586 * @since 4.9.0 Added the `$comment` parameter. 1587 * 1588 * @param string $comment_id The comment ID as a numeric string. 1589 * @param WP_Comment $comment The trashed comment. 1590 */ 1591 do_action( 'trashed_comment', $comment->comment_ID, $comment ); 1592 1593 return true; 1594 } 1595 1596 return false; 1597 } 1598 1599 /** 1600 * Removes a comment from the Trash 1601 * 1602 * @since 2.9.0 1603 * 1604 * @param int|WP_Comment $comment_id Comment ID or WP_Comment object. 1605 * @return bool True on success, false on failure. 1606 */ 1607 function wp_untrash_comment( $comment_id ) { 1608 $comment = get_comment( $comment_id ); 1609 if ( ! $comment ) { 1610 return false; 1611 } 1612 1613 /** 1614 * Fires immediately before a comment is restored from the Trash. 1615 * 1616 * @since 2.9.0 1617 * @since 4.9.0 Added the `$comment` parameter. 1618 * 1619 * @param string $comment_id The comment ID as a numeric string. 1620 * @param WP_Comment $comment The comment to be untrashed. 1621 */ 1622 do_action( 'untrash_comment', $comment->comment_ID, $comment ); 1623 1624 $status = (string) get_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', true ); 1625 if ( empty( $status ) ) { 1626 $status = '0'; 1627 } 1628 1629 if ( wp_set_comment_status( $comment, $status ) ) { 1630 delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_time' ); 1631 delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_status' ); 1632 1633 /** 1634 * Fires immediately after a comment is restored from the Trash. 1635 * 1636 * @since 2.9.0 1637 * @since 4.9.0 Added the `$comment` parameter. 1638 * 1639 * @param string $comment_id The comment ID as a numeric string. 1640 * @param WP_Comment $comment The untrashed comment. 1641 */ 1642 do_action( 'untrashed_comment', $comment->comment_ID, $comment ); 1643 1644 return true; 1645 } 1646 1647 return false; 1648 } 1649 1650 /** 1651 * Marks a comment as Spam. 1652 * 1653 * @since 2.9.0 1654 * 1655 * @param int|WP_Comment $comment_id Comment ID or WP_Comment object. 1656 * @return bool True on success, false on failure. 1657 */ 1658 function wp_spam_comment( $comment_id ) { 1659 $comment = get_comment( $comment_id ); 1660 if ( ! $comment ) { 1661 return false; 1662 } 1663 1664 /** 1665 * Fires immediately before a comment is marked as Spam. 1666 * 1667 * @since 2.9.0 1668 * @since 4.9.0 Added the `$comment` parameter. 1669 * 1670 * @param int $comment_id The comment ID. 1671 * @param WP_Comment $comment The comment to be marked as spam. 1672 */ 1673 do_action( 'spam_comment', $comment->comment_ID, $comment ); 1674 1675 if ( wp_set_comment_status( $comment, 'spam' ) ) { 1676 delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_status' ); 1677 delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_time' ); 1678 add_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', $comment->comment_approved ); 1679 add_comment_meta( $comment->comment_ID, '_wp_trash_meta_time', time() ); 1680 1681 /** 1682 * Fires immediately after a comment is marked as Spam. 1683 * 1684 * @since 2.9.0 1685 * @since 4.9.0 Added the `$comment` parameter. 1686 * 1687 * @param int $comment_id The comment ID. 1688 * @param WP_Comment $comment The comment marked as spam. 1689 */ 1690 do_action( 'spammed_comment', $comment->comment_ID, $comment ); 1691 1692 return true; 1693 } 1694 1695 return false; 1696 } 1697 1698 /** 1699 * Removes a comment from the Spam. 1700 * 1701 * @since 2.9.0 1702 * 1703 * @param int|WP_Comment $comment_id Comment ID or WP_Comment object. 1704 * @return bool True on success, false on failure. 1705 */ 1706 function wp_unspam_comment( $comment_id ) { 1707 $comment = get_comment( $comment_id ); 1708 if ( ! $comment ) { 1709 return false; 1710 } 1711 1712 /** 1713 * Fires immediately before a comment is unmarked as Spam. 1714 * 1715 * @since 2.9.0 1716 * @since 4.9.0 Added the `$comment` parameter. 1717 * 1718 * @param string $comment_id The comment ID as a numeric string. 1719 * @param WP_Comment $comment The comment to be unmarked as spam. 1720 */ 1721 do_action( 'unspam_comment', $comment->comment_ID, $comment ); 1722 1723 $status = (string) get_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', true ); 1724 if ( empty( $status ) ) { 1725 $status = '0'; 1726 } 1727 1728 if ( wp_set_comment_status( $comment, $status ) ) { 1729 delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_status' ); 1730 delete_comment_meta( $comment->comment_ID, '_wp_trash_meta_time' ); 1731 1732 /** 1733 * Fires immediately after a comment is unmarked as Spam. 1734 * 1735 * @since 2.9.0 1736 * @since 4.9.0 Added the `$comment` parameter. 1737 * 1738 * @param string $comment_id The comment ID as a numeric string. 1739 * @param WP_Comment $comment The comment unmarked as spam. 1740 */ 1741 do_action( 'unspammed_comment', $comment->comment_ID, $comment ); 1742 1743 return true; 1744 } 1745 1746 return false; 1747 } 1748 1749 /** 1750 * Retrieves the status of a comment by comment ID. 1751 * 1752 * @since 1.0.0 1753 * 1754 * @param int|WP_Comment $comment_id Comment ID or WP_Comment object 1755 * @return string|false Status might be 'trash', 'approved', 'unapproved', 'spam'. False on failure. 1756 */ 1757 function wp_get_comment_status( $comment_id ) { 1758 $comment = get_comment( $comment_id ); 1759 if ( ! $comment ) { 1760 return false; 1761 } 1762 1763 $approved = $comment->comment_approved; 1764 1765 if ( null == $approved ) { 1766 return false; 1767 } elseif ( '1' == $approved ) { 1768 return 'approved'; 1769 } elseif ( '0' == $approved ) { 1770 return 'unapproved'; 1771 } elseif ( 'spam' === $approved ) { 1772 return 'spam'; 1773 } elseif ( 'trash' === $approved ) { 1774 return 'trash'; 1775 } else { 1776 return false; 1777 } 1778 } 1779 1780 /** 1781 * Calls hooks for when a comment status transition occurs. 1782 * 1783 * Calls hooks for comment status transitions. If the new comment status is not the same 1784 * as the previous comment status, then two hooks will be ran, the first is 1785 * {@see 'transition_comment_status'} with new status, old status, and comment data. 1786 * The next action called is {@see 'comment_$old_status_to_$new_status'}. It has 1787 * the comment data. 1788 * 1789 * The final action will run whether or not the comment statuses are the same. 1790 * The action is named {@see 'comment_$new_status_$comment->comment_type'}. 1791 * 1792 * @since 2.7.0 1793 * 1794 * @param string $new_status New comment status. 1795 * @param string $old_status Previous comment status. 1796 * @param WP_Comment $comment Comment object. 1797 */ 1798 function wp_transition_comment_status( $new_status, $old_status, $comment ) { 1799 /* 1800 * Translate raw statuses to human-readable formats for the hooks. 1801 * This is not a complete list of comment status, it's only the ones 1802 * that need to be renamed. 1803 */ 1804 $comment_statuses = array( 1805 0 => 'unapproved', 1806 'hold' => 'unapproved', // wp_set_comment_status() uses "hold". 1807 1 => 'approved', 1808 'approve' => 'approved', // wp_set_comment_status() uses "approve". 1809 ); 1810 if ( isset( $comment_statuses[ $new_status ] ) ) { 1811 $new_status = $comment_statuses[ $new_status ]; 1812 } 1813 if ( isset( $comment_statuses[ $old_status ] ) ) { 1814 $old_status = $comment_statuses[ $old_status ]; 1815 } 1816 1817 // Call the hooks. 1818 if ( $new_status != $old_status ) { 1819 /** 1820 * Fires when the comment status is in transition. 1821 * 1822 * @since 2.7.0 1823 * 1824 * @param int|string $new_status The new comment status. 1825 * @param int|string $old_status The old comment status. 1826 * @param WP_Comment $comment Comment object. 1827 */ 1828 do_action( 'transition_comment_status', $new_status, $old_status, $comment ); 1829 /** 1830 * Fires when the comment status is in transition from one specific status to another. 1831 * 1832 * The dynamic portions of the hook name, `$old_status`, and `$new_status`, 1833 * refer to the old and new comment statuses, respectively. 1834 * 1835 * Possible hook names include: 1836 * 1837 * - `comment_unapproved_to_approved` 1838 * - `comment_spam_to_approved` 1839 * - `comment_approved_to_unapproved` 1840 * - `comment_spam_to_unapproved` 1841 * - `comment_unapproved_to_spam` 1842 * - `comment_approved_to_spam` 1843 * 1844 * @since 2.7.0 1845 * 1846 * @param WP_Comment $comment Comment object. 1847 */ 1848 do_action( "comment_{$old_status}_to_{$new_status}", $comment ); 1849 } 1850 /** 1851 * Fires when the status of a specific comment type is in transition. 1852 * 1853 * The dynamic portions of the hook name, `$new_status`, and `$comment->comment_type`, 1854 * refer to the new comment status, and the type of comment, respectively. 1855 * 1856 * Typical comment types include 'comment', 'pingback', or 'trackback'. 1857 * 1858 * Possible hook names include: 1859 * 1860 * - `comment_approved_comment` 1861 * - `comment_approved_pingback` 1862 * - `comment_approved_trackback` 1863 * - `comment_unapproved_comment` 1864 * - `comment_unapproved_pingback` 1865 * - `comment_unapproved_trackback` 1866 * - `comment_spam_comment` 1867 * - `comment_spam_pingback` 1868 * - `comment_spam_trackback` 1869 * 1870 * @since 2.7.0 1871 * 1872 * @param string $comment_id The comment ID as a numeric string. 1873 * @param WP_Comment $comment Comment object. 1874 */ 1875 do_action( "comment_{$new_status}_{$comment->comment_type}", $comment->comment_ID, $comment ); 1876 } 1877 1878 /** 1879 * Clears the lastcommentmodified cached value when a comment status is changed. 1880 * 1881 * Deletes the lastcommentmodified cache key when a comment enters or leaves 1882 * 'approved' status. 1883 * 1884 * @since 4.7.0 1885 * @access private 1886 * 1887 * @param string $new_status The new comment status. 1888 * @param string $old_status The old comment status. 1889 */ 1890 function _clear_modified_cache_on_transition_comment_status( $new_status, $old_status ) { 1891 if ( 'approved' === $new_status || 'approved' === $old_status ) { 1892 $data = array(); 1893 foreach ( array( 'server', 'gmt', 'blog' ) as $timezone ) { 1894 $data[] = "lastcommentmodified:$timezone"; 1895 } 1896 wp_cache_delete_multiple( $data, 'timeinfo' ); 1897 } 1898 } 1899 1900 /** 1901 * Gets current commenter's name, email, and URL. 1902 * 1903 * Expects cookies content to already be sanitized. User of this function might 1904 * wish to recheck the returned array for validity. 1905 * 1906 * @see sanitize_comment_cookies() Use to sanitize cookies 1907 * 1908 * @since 2.0.4 1909 * 1910 * @return array { 1911 * An array of current commenter variables. 1912 * 1913 * @type string $comment_author The name of the current commenter, or an empty string. 1914 * @type string $comment_author_email The email address of the current commenter, or an empty string. 1915 * @type string $comment_author_url The URL address of the current commenter, or an empty string. 1916 * } 1917 */ 1918 function wp_get_current_commenter() { 1919 // Cookies should already be sanitized. 1920 1921 $comment_author = ''; 1922 if ( isset( $_COOKIE[ 'comment_author_' . COOKIEHASH ] ) ) { 1923 $comment_author = $_COOKIE[ 'comment_author_' . COOKIEHASH ]; 1924 } 1925 1926 $comment_author_email = ''; 1927 if ( isset( $_COOKIE[ 'comment_author_email_' . COOKIEHASH ] ) ) { 1928 $comment_author_email = $_COOKIE[ 'comment_author_email_' . COOKIEHASH ]; 1929 } 1930 1931 $comment_author_url = ''; 1932 if ( isset( $_COOKIE[ 'comment_author_url_' . COOKIEHASH ] ) ) { 1933 $comment_author_url = $_COOKIE[ 'comment_author_url_' . COOKIEHASH ]; 1934 } 1935 1936 /** 1937 * Filters the current commenter's name, email, and URL. 1938 * 1939 * @since 3.1.0 1940 * 1941 * @param array $comment_author_data { 1942 * An array of current commenter variables. 1943 * 1944 * @type string $comment_author The name of the current commenter, or an empty string. 1945 * @type string $comment_author_email The email address of the current commenter, or an empty string. 1946 * @type string $comment_author_url The URL address of the current commenter, or an empty string. 1947 * } 1948 */ 1949 return apply_filters( 'wp_get_current_commenter', compact( 'comment_author', 'comment_author_email', 'comment_author_url' ) ); 1950 } 1951 1952 /** 1953 * Gets unapproved comment author's email. 1954 * 1955 * Used to allow the commenter to see their pending comment. 1956 * 1957 * @since 5.1.0 1958 * @since 5.7.0 The window within which the author email for an unapproved comment 1959 * can be retrieved was extended to 10 minutes. 1960 * 1961 * @return string The unapproved comment author's email (when supplied). 1962 */ 1963 function wp_get_unapproved_comment_author_email() { 1964 $commenter_email = ''; 1965 1966 if ( ! empty( $_GET['unapproved'] ) && ! empty( $_GET['moderation-hash'] ) ) { 1967 $comment_id = (int) $_GET['unapproved']; 1968 $comment = get_comment( $comment_id ); 1969 1970 if ( $comment && hash_equals( $_GET['moderation-hash'], wp_hash( $comment->comment_date_gmt ) ) ) { 1971 // The comment will only be viewable by the comment author for 10 minutes. 1972 $comment_preview_expires = strtotime( $comment->comment_date_gmt . '+10 minutes' ); 1973 1974 if ( time() < $comment_preview_expires ) { 1975 $commenter_email = $comment->comment_author_email; 1976 } 1977 } 1978 } 1979 1980 if ( ! $commenter_email ) { 1981 $commenter = wp_get_current_commenter(); 1982 $commenter_email = $commenter['comment_author_email']; 1983 } 1984 1985 return $commenter_email; 1986 } 1987 1988 /** 1989 * Inserts a comment into the database. 1990 * 1991 * @since 2.0.0 1992 * @since 4.4.0 Introduced the `$comment_meta` argument. 1993 * @since 5.5.0 Default value for `$comment_type` argument changed to `comment`. 1994 * 1995 * @global wpdb $wpdb WordPress database abstraction object. 1996 * 1997 * @param array $commentdata { 1998 * Array of arguments for inserting a new comment. 1999 * 2000 * @type string $comment_agent The HTTP user agent of the `$comment_author` when 2001 * the comment was submitted. Default empty. 2002 * @type int|string $comment_approved Whether the comment has been approved. Default 1. 2003 * @type string $comment_author The name of the author of the comment. Default empty. 2004 * @type string $comment_author_email The email address of the `$comment_author`. Default empty. 2005 * @type string $comment_author_IP The IP address of the `$comment_author`. Default empty. 2006 * @type string $comment_author_url The URL address of the `$comment_author`. Default empty. 2007 * @type string $comment_content The content of the comment. Default empty. 2008 * @type string $comment_date The date the comment was submitted. To set the date 2009 * manually, `$comment_date_gmt` must also be specified. 2010 * Default is the current time. 2011 * @type string $comment_date_gmt The date the comment was submitted in the GMT timezone. 2012 * Default is `$comment_date` in the site's GMT timezone. 2013 * @type int $comment_karma The karma of the comment. Default 0. 2014 * @type int $comment_parent ID of this comment's parent, if any. Default 0. 2015 * @type int $comment_post_ID ID of the post that relates to the comment, if any. 2016 * Default 0. 2017 * @type string $comment_type Comment type. Default 'comment'. 2018 * @type array $comment_meta Optional. Array of key/value pairs to be stored in commentmeta for the 2019 * new comment. 2020 * @type int $user_id ID of the user who submitted the comment. Default 0. 2021 * } 2022 * @return int|false The new comment's ID on success, false on failure. 2023 */ 2024 function wp_insert_comment( $commentdata ) { 2025 global $wpdb; 2026 2027 $data = wp_unslash( $commentdata ); 2028 2029 $comment_author = ! isset( $data['comment_author'] ) ? '' : $data['comment_author']; 2030 $comment_author_email = ! isset( $data['comment_author_email'] ) ? '' : $data['comment_author_email']; 2031 $comment_author_url = ! isset( $data['comment_author_url'] ) ? '' : $data['comment_author_url']; 2032 $comment_author_ip = ! isset( $data['comment_author_IP'] ) ? '' : $data['comment_author_IP']; 2033 2034 $comment_date = ! isset( $data['comment_date'] ) ? current_time( 'mysql' ) : $data['comment_date']; 2035 $comment_date_gmt = ! isset( $data['comment_date_gmt'] ) ? get_gmt_from_date( $comment_date ) : $data['comment_date_gmt']; 2036 2037 $comment_post_id = ! isset( $data['comment_post_ID'] ) ? 0 : $data['comment_post_ID']; 2038 $comment_content = ! isset( $data['comment_content'] ) ? '' : $data['comment_content']; 2039 $comment_karma = ! isset( $data['comment_karma'] ) ? 0 : $data['comment_karma']; 2040 $comment_approved = ! isset( $data['comment_approved'] ) ? 1 : $data['comment_approved']; 2041 $comment_agent = ! isset( $data['comment_agent'] ) ? '' : $data['comment_agent']; 2042 $comment_type = empty( $data['comment_type'] ) ? 'comment' : $data['comment_type']; 2043 $comment_parent = ! isset( $data['comment_parent'] ) ? 0 : $data['comment_parent']; 2044 2045 $user_id = ! isset( $data['user_id'] ) ? 0 : $data['user_id']; 2046 2047 $compacted = array( 2048 'comment_post_ID' => $comment_post_id, 2049 'comment_author_IP' => $comment_author_ip, 2050 ); 2051 2052 $compacted += compact( 2053 'comment_author', 2054 'comment_author_email', 2055 'comment_author_url', 2056 'comment_date', 2057 'comment_date_gmt', 2058 'comment_content', 2059 'comment_karma', 2060 'comment_approved', 2061 'comment_agent', 2062 'comment_type', 2063 'comment_parent', 2064 'user_id' 2065 ); 2066 2067 if ( ! $wpdb->insert( $wpdb->comments, $compacted ) ) { 2068 return false; 2069 } 2070 2071 $id = (int) $wpdb->insert_id; 2072 2073 if ( 1 == $comment_approved ) { 2074 wp_update_comment_count( $comment_post_id ); 2075 2076 $data = array(); 2077 foreach ( array( 'server', 'gmt', 'blog' ) as $timezone ) { 2078 $data[] = "lastcommentmodified:$timezone"; 2079 } 2080 wp_cache_delete_multiple( $data, 'timeinfo' ); 2081 } 2082 2083 clean_comment_cache( $id ); 2084 2085 $comment = get_comment( $id ); 2086 2087 // If metadata is provided, store it. 2088 if ( isset( $commentdata['comment_meta'] ) && is_array( $commentdata['comment_meta'] ) ) { 2089 foreach ( $commentdata['comment_meta'] as $meta_key => $meta_value ) { 2090 add_comment_meta( $comment->comment_ID, $meta_key, $meta_value, true ); 2091 } 2092 } 2093 2094 /** 2095 * Fires immediately after a comment is inserted into the database. 2096 * 2097 * @since 2.8.0 2098 * 2099 * @param int $id The comment ID. 2100 * @param WP_Comment $comment Comment object. 2101 */ 2102 do_action( 'wp_insert_comment', $id, $comment ); 2103 2104 return $id; 2105 } 2106 2107 /** 2108 * Filters and sanitizes comment data. 2109 * 2110 * Sets the comment data 'filtered' field to true when finished. This can be 2111 * checked as to whether the comment should be filtered and to keep from 2112 * filtering the same comment more than once. 2113 * 2114 * @since 2.0.0 2115 * 2116 * @param array $commentdata Contains information on the comment. 2117 * @return array Parsed comment information. 2118 */ 2119 function wp_filter_comment( $commentdata ) { 2120 if ( isset( $commentdata['user_ID'] ) ) { 2121 /** 2122 * Filters the comment author's user ID before it is set. 2123 * 2124 * The first time this filter is evaluated, `user_ID` is checked 2125 * (for back-compat), followed by the standard `user_id` value. 2126 * 2127 * @since 1.5.0 2128 * 2129 * @param int $user_id The comment author's user ID. 2130 */ 2131 $commentdata['user_id'] = apply_filters( 'pre_user_id', $commentdata['user_ID'] ); 2132 } elseif ( isset( $commentdata['user_id'] ) ) { 2133 /** This filter is documented in wp-includes/comment.php */ 2134 $commentdata['user_id'] = apply_filters( 'pre_user_id', $commentdata['user_id'] ); 2135 } 2136 2137 /** 2138 * Filters the comment author's browser user agent before it is set. 2139 * 2140 * @since 1.5.0 2141 * 2142 * @param string $comment_agent The comment author's browser user agent. 2143 */ 2144 $commentdata['comment_agent'] = apply_filters( 'pre_comment_user_agent', ( isset( $commentdata['comment_agent'] ) ? $commentdata['comment_agent'] : '' ) ); 2145 /** This filter is documented in wp-includes/comment.php */ 2146 $commentdata['comment_author'] = apply_filters( 'pre_comment_author_name', $commentdata['comment_author'] ); 2147 /** 2148 * Filters the comment content before it is set. 2149 * 2150 * @since 1.5.0 2151 * 2152 * @param string $comment_content The comment content. 2153 */ 2154 $commentdata['comment_content'] = apply_filters( 'pre_comment_content', $commentdata['comment_content'] ); 2155 /** 2156 * Filters the comment author's IP address before it is set. 2157 * 2158 * @since 1.5.0 2159 * 2160 * @param string $comment_author_ip The comment author's IP address. 2161 */ 2162 $commentdata['comment_author_IP'] = apply_filters( 'pre_comment_user_ip', $commentdata['comment_author_IP'] ); 2163 /** This filter is documented in wp-includes/comment.php */ 2164 $commentdata['comment_author_url'] = apply_filters( 'pre_comment_author_url', $commentdata['comment_author_url'] ); 2165 /** This filter is documented in wp-includes/comment.php */ 2166 $commentdata['comment_author_email'] = apply_filters( 'pre_comment_author_email', $commentdata['comment_author_email'] ); 2167 2168 $commentdata['filtered'] = true; 2169 2170 return $commentdata; 2171 } 2172 2173 /** 2174 * Determines whether a comment should be blocked because of comment flood. 2175 * 2176 * @since 2.1.0 2177 * 2178 * @param bool $block Whether plugin has already blocked comment. 2179 * @param int $time_lastcomment Timestamp for last comment. 2180 * @param int $time_newcomment Timestamp for new comment. 2181 * @return bool Whether comment should be blocked. 2182 */ 2183 function wp_throttle_comment_flood( $block, $time_lastcomment, $time_newcomment ) { 2184 if ( $block ) { // A plugin has already blocked... we'll let that decision stand. 2185 return $block; 2186 } 2187 if ( ( $time_newcomment - $time_lastcomment ) < 15 ) { 2188 return true; 2189 } 2190 return false; 2191 } 2192 2193 /** 2194 * Adds a new comment to the database. 2195 * 2196 * Filters new comment to ensure that the fields are sanitized and valid before 2197 * inserting comment into database. Calls {@see 'comment_post'} action with comment ID 2198 * and whether comment is approved by WordPress. Also has {@see 'preprocess_comment'} 2199 * filter for processing the comment data before the function handles it. 2200 * 2201 * We use `REMOTE_ADDR` here directly. If you are behind a proxy, you should ensure 2202 * that it is properly set, such as in wp-config.php, for your environment. 2203 * 2204 * See {@link https://core.trac.wordpress.org/ticket/9235} 2205 * 2206 * @since 1.5.0 2207 * @since 4.3.0 Introduced the `comment_agent` and `comment_author_IP` arguments. 2208 * @since 4.7.0 The `$avoid_die` parameter was added, allowing the function 2209 * to return a WP_Error object instead of dying. 2210 * @since 5.5.0 The `$avoid_die` parameter was renamed to `$wp_error`. 2211 * @since 5.5.0 Introduced the `comment_type` argument. 2212 * 2213 * @see wp_insert_comment() 2214 * @global wpdb $wpdb WordPress database abstraction object. 2215 * 2216 * @param array $commentdata { 2217 * Comment data. 2218 * 2219 * @type string $comment_author The name of the comment author. 2220 * @type string $comment_author_email The comment author email address. 2221 * @type string $comment_author_url The comment author URL. 2222 * @type string $comment_content The content of the comment. 2223 * @type string $comment_date The date the comment was submitted. Default is the current time. 2224 * @type string $comment_date_gmt The date the comment was submitted in the GMT timezone. 2225 * Default is `$comment_date` in the GMT timezone. 2226 * @type string $comment_type Comment type. Default 'comment'. 2227 * @type int $comment_parent The ID of this comment's parent, if any. Default 0. 2228 * @type int $comment_post_ID The ID of the post that relates to the comment. 2229 * @type int $user_id The ID of the user who submitted the comment. Default 0. 2230 * @type int $user_ID Kept for backward-compatibility. Use `$user_id` instead. 2231 * @type string $comment_agent Comment author user agent. Default is the value of 'HTTP_USER_AGENT' 2232 * in the `$_SERVER` superglobal sent in the original request. 2233 * @type string $comment_author_IP Comment author IP address in IPv4 format. Default is the value of 2234 * 'REMOTE_ADDR' in the `$_SERVER` superglobal sent in the original request. 2235 * } 2236 * @param bool $wp_error Should errors be returned as WP_Error objects instead of 2237 * executing wp_die()? Default false. 2238 * @return int|false|WP_Error The ID of the comment on success, false or WP_Error on failure. 2239 */ 2240 function wp_new_comment( $commentdata, $wp_error = false ) { 2241 global $wpdb; 2242 2243 /* 2244 * Normalize `user_ID` to `user_id`, but pass the old key 2245 * to the `preprocess_comment` filter for backward compatibility. 2246 */ 2247 if ( isset( $commentdata['user_ID'] ) ) { 2248 $commentdata['user_ID'] = (int) $commentdata['user_ID']; 2249 $commentdata['user_id'] = $commentdata['user_ID']; 2250 } elseif ( isset( $commentdata['user_id'] ) ) { 2251 $commentdata['user_id'] = (int) $commentdata['user_id']; 2252 $commentdata['user_ID'] = $commentdata['user_id']; 2253 } 2254 2255 $prefiltered_user_id = ( isset( $commentdata['user_id'] ) ) ? (int) $commentdata['user_id'] : 0; 2256 2257 if ( ! isset( $commentdata['comment_author_IP'] ) ) { 2258 $commentdata['comment_author_IP'] = $_SERVER['REMOTE_ADDR']; 2259 } 2260 2261 if ( ! isset( $commentdata['comment_agent'] ) ) { 2262 $commentdata['comment_agent'] = isset( $_SERVER['HTTP_USER_AGENT'] ) ? $_SERVER['HTTP_USER_AGENT'] : ''; 2263 } 2264 2265 /** 2266 * Filters a comment's data before it is sanitized and inserted into the database. 2267 * 2268 * @since 1.5.0 2269 * @since 5.6.0 Comment data includes the `comment_agent` and `comment_author_IP` values. 2270 * 2271 * @param array $commentdata Comment data. 2272 */ 2273 $commentdata = apply_filters( 'preprocess_comment', $commentdata ); 2274 2275 $commentdata['comment_post_ID'] = (int) $commentdata['comment_post_ID']; 2276 2277 // Normalize `user_ID` to `user_id` again, after the filter. 2278 if ( isset( $commentdata['user_ID'] ) && $prefiltered_user_id !== (int) $commentdata['user_ID'] ) { 2279 $commentdata['user_ID'] = (int) $commentdata['user_ID']; 2280 $commentdata['user_id'] = $commentdata['user_ID']; 2281 } elseif ( isset( $commentdata['user_id'] ) ) { 2282 $commentdata['user_id'] = (int) $commentdata['user_id']; 2283 $commentdata['user_ID'] = $commentdata['user_id']; 2284 } 2285 2286 $commentdata['comment_parent'] = isset( $commentdata['comment_parent'] ) ? absint( $commentdata['comment_parent'] ) : 0; 2287 2288 $parent_status = ( $commentdata['comment_parent'] > 0 ) ? wp_get_comment_status( $commentdata['comment_parent'] ) : ''; 2289 2290 $commentdata['comment_parent'] = ( 'approved' === $parent_status || 'unapproved' === $parent_status ) ? $commentdata['comment_parent'] : 0; 2291 2292 $commentdata['comment_author_IP'] = preg_replace( '/[^0-9a-fA-F:., ]/', '', $commentdata['comment_author_IP'] ); 2293 2294 $commentdata['comment_agent'] = substr( $commentdata['comment_agent'], 0, 254 ); 2295 2296 if ( empty( $commentdata['comment_date'] ) ) { 2297 $commentdata['comment_date'] = current_time( 'mysql' ); 2298 } 2299 2300 if ( empty( $commentdata['comment_date_gmt'] ) ) { 2301 $commentdata['comment_date_gmt'] = current_time( 'mysql', 1 ); 2302 } 2303 2304 if ( empty( $commentdata['comment_type'] ) ) { 2305 $commentdata['comment_type'] = 'comment'; 2306 } 2307 2308 $commentdata['comment_approved'] = wp_allow_comment( $commentdata, $wp_error ); 2309 2310 if ( is_wp_error( $commentdata['comment_approved'] ) ) { 2311 return $commentdata['comment_approved']; 2312 } 2313 2314 $commentdata = wp_filter_comment( $commentdata ); 2315 2316 if ( ! in_array( $commentdata['comment_approved'], array( 'trash', 'spam' ), true ) ) { 2317 // Validate the comment again after filters are applied to comment data. 2318 $commentdata['comment_approved'] = wp_check_comment_data( $commentdata ); 2319 } 2320 2321 if ( is_wp_error( $commentdata['comment_approved'] ) ) { 2322 return $commentdata['comment_approved']; 2323 } 2324 2325 $comment_id = wp_insert_comment( $commentdata ); 2326 2327 if ( ! $comment_id ) { 2328 $fields = array( 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content' ); 2329 2330 foreach ( $fields as $field ) { 2331 if ( isset( $commentdata[ $field ] ) ) { 2332 $commentdata[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->comments, $field, $commentdata[ $field ] ); 2333 } 2334 } 2335 2336 $commentdata = wp_filter_comment( $commentdata ); 2337 2338 $commentdata['comment_approved'] = wp_allow_comment( $commentdata, $wp_error ); 2339 if ( is_wp_error( $commentdata['comment_approved'] ) ) { 2340 return $commentdata['comment_approved']; 2341 } 2342 2343 $comment_id = wp_insert_comment( $commentdata ); 2344 if ( ! $comment_id ) { 2345 return false; 2346 } 2347 } 2348 2349 /** 2350 * Fires immediately after a comment is inserted into the database. 2351 * 2352 * @since 1.2.0 2353 * @since 4.5.0 The `$commentdata` parameter was added. 2354 * 2355 * @param int $comment_id The comment ID. 2356 * @param int|string $comment_approved 1 if the comment is approved, 0 if not, 'spam' if spam. 2357 * @param array $commentdata Comment data. 2358 */ 2359 do_action( 'comment_post', $comment_id, $commentdata['comment_approved'], $commentdata ); 2360 2361 return $comment_id; 2362 } 2363 2364 /** 2365 * Sends a comment moderation notification to the comment moderator. 2366 * 2367 * @since 4.4.0 2368 * 2369 * @param int $comment_id ID of the comment. 2370 * @return bool True on success, false on failure. 2371 */ 2372 function wp_new_comment_notify_moderator( $comment_id ) { 2373 $comment = get_comment( $comment_id ); 2374 2375 // Only send notifications for pending comments. 2376 $maybe_notify = ( '0' == $comment->comment_approved ); 2377 2378 /** This filter is documented in wp-includes/pluggable.php */ 2379 $maybe_notify = apply_filters( 'notify_moderator', $maybe_notify, $comment_id ); 2380 2381 if ( ! $maybe_notify ) { 2382 return false; 2383 } 2384 2385 return wp_notify_moderator( $comment_id ); 2386 } 2387 2388 /** 2389 * Sends a notification of a new comment to the post author. 2390 * 2391 * @since 4.4.0 2392 * 2393 * Uses the {@see 'notify_post_author'} filter to determine whether the post author 2394 * should be notified when a new comment is added, overriding site setting. 2395 * 2396 * @param int $comment_id Comment ID. 2397 * @return bool True on success, false on failure. 2398 */ 2399 function wp_new_comment_notify_postauthor( $comment_id ) { 2400 $comment = get_comment( $comment_id ); 2401 2402 $maybe_notify = get_option( 'comments_notify' ); 2403 2404 /** 2405 * Filters whether to send the post author new comment notification emails, 2406 * overriding the site setting. 2407 * 2408 * @since 4.4.0 2409 * 2410 * @param bool $maybe_notify Whether to notify the post author about the new comment. 2411 * @param int $comment_id The ID of the comment for the notification. 2412 */ 2413 $maybe_notify = apply_filters( 'notify_post_author', $maybe_notify, $comment_id ); 2414 2415 /* 2416 * wp_notify_postauthor() checks if notifying the author of their own comment. 2417 * By default, it won't, but filters can override this. 2418 */ 2419 if ( ! $maybe_notify ) { 2420 return false; 2421 } 2422 2423 // Only send notifications for approved comments. 2424 if ( ! isset( $comment->comment_approved ) || '1' != $comment->comment_approved ) { 2425 return false; 2426 } 2427 2428 return wp_notify_postauthor( $comment_id ); 2429 } 2430 2431 /** 2432 * Sets the status of a comment. 2433 * 2434 * The {@see 'wp_set_comment_status'} action is called after the comment is handled. 2435 * If the comment status is not in the list, then false is returned. 2436 * 2437 * @since 1.0.0 2438 * 2439 * @global wpdb $wpdb WordPress database abstraction object. 2440 * 2441 * @param int|WP_Comment $comment_id Comment ID or WP_Comment object. 2442 * @param string $comment_status New comment status, either 'hold', 'approve', 'spam', or 'trash'. 2443 * @param bool $wp_error Whether to return a WP_Error object if there is a failure. Default false. 2444 * @return bool|WP_Error True on success, false or WP_Error on failure. 2445 */ 2446 function wp_set_comment_status( $comment_id, $comment_status, $wp_error = false ) { 2447 global $wpdb; 2448 2449 switch ( $comment_status ) { 2450 case 'hold': 2451 case '0': 2452 $status = '0'; 2453 break; 2454 case 'approve': 2455 case '1': 2456 $status = '1'; 2457 add_action( 'wp_set_comment_status', 'wp_new_comment_notify_postauthor' ); 2458 break; 2459 case 'spam': 2460 $status = 'spam'; 2461 break; 2462 case 'trash': 2463 $status = 'trash'; 2464 break; 2465 default: 2466 return false; 2467 } 2468 2469 $comment_old = clone get_comment( $comment_id ); 2470 2471 if ( ! $wpdb->update( $wpdb->comments, array( 'comment_approved' => $status ), array( 'comment_ID' => $comment_old->comment_ID ) ) ) { 2472 if ( $wp_error ) { 2473 return new WP_Error( 'db_update_error', __( 'Could not update comment status.' ), $wpdb->last_error ); 2474 } else { 2475 return false; 2476 } 2477 } 2478 2479 clean_comment_cache( $comment_old->comment_ID ); 2480 2481 $comment = get_comment( $comment_old->comment_ID ); 2482 2483 /** 2484 * Fires immediately after transitioning a comment's status from one to another in the database 2485 * and removing the comment from the object cache, but prior to all status transition hooks. 2486 * 2487 * @since 1.5.0 2488 * 2489 * @param string $comment_id Comment ID as a numeric string. 2490 * @param string $comment_status Current comment status. Possible values include 2491 * 'hold', '0', 'approve', '1', 'spam', and 'trash'. 2492 */ 2493 do_action( 'wp_set_comment_status', $comment->comment_ID, $comment_status ); 2494 2495 wp_transition_comment_status( $comment_status, $comment_old->comment_approved, $comment ); 2496 2497 wp_update_comment_count( $comment->comment_post_ID ); 2498 2499 return true; 2500 } 2501 2502 /** 2503 * Updates an existing comment in the database. 2504 * 2505 * Filters the comment and makes sure certain fields are valid before updating. 2506 * 2507 * @since 2.0.0 2508 * @since 4.9.0 Add updating comment meta during comment update. 2509 * @since 5.5.0 The `$wp_error` parameter was added. 2510 * @since 5.5.0 The return values for an invalid comment or post ID 2511 * were changed to false instead of 0. 2512 * 2513 * @global wpdb $wpdb WordPress database abstraction object. 2514 * 2515 * @param array $commentarr Contains information on the comment. 2516 * @param bool $wp_error Optional. Whether to return a WP_Error on failure. Default false. 2517 * @return int|false|WP_Error The value 1 if the comment was updated, 0 if not updated. 2518 * False or a WP_Error object on failure. 2519 */ 2520 function wp_update_comment( $commentarr, $wp_error = false ) { 2521 global $wpdb; 2522 2523 // First, get all of the original fields. 2524 $comment = get_comment( $commentarr['comment_ID'], ARRAY_A ); 2525 2526 if ( empty( $comment ) ) { 2527 if ( $wp_error ) { 2528 return new WP_Error( 'invalid_comment_id', __( 'Invalid comment ID.' ) ); 2529 } else { 2530 return false; 2531 } 2532 } 2533 2534 // Make sure that the comment post ID is valid (if specified). 2535 if ( ! empty( $commentarr['comment_post_ID'] ) && ! get_post( $commentarr['comment_post_ID'] ) ) { 2536 if ( $wp_error ) { 2537 return new WP_Error( 'invalid_post_id', __( 'Invalid post ID.' ) ); 2538 } else { 2539 return false; 2540 } 2541 } 2542 2543 $filter_comment = false; 2544 if ( ! has_filter( 'pre_comment_content', 'wp_filter_kses' ) ) { 2545 $filter_comment = ! user_can( isset( $comment['user_id'] ) ? $comment['user_id'] : 0, 'unfiltered_html' ); 2546 } 2547 2548 if ( $filter_comment ) { 2549 add_filter( 'pre_comment_content', 'wp_filter_kses' ); 2550 } 2551 2552 // Escape data pulled from DB. 2553 $comment = wp_slash( $comment ); 2554 2555 $old_status = $comment['comment_approved']; 2556 2557 // Merge old and new fields with new fields overwriting old ones. 2558 $commentarr = array_merge( $comment, $commentarr ); 2559 2560 $commentarr = wp_filter_comment( $commentarr ); 2561 2562 if ( $filter_comment ) { 2563 remove_filter( 'pre_comment_content', 'wp_filter_kses' ); 2564 } 2565 2566 // Now extract the merged array. 2567 $data = wp_unslash( $commentarr ); 2568 2569 /** 2570 * Filters the comment content before it is updated in the database. 2571 * 2572 * @since 1.5.0 2573 * 2574 * @param string $comment_content The comment data. 2575 */ 2576 $data['comment_content'] = apply_filters( 'comment_save_pre', $data['comment_content'] ); 2577 2578 $data['comment_date_gmt'] = get_gmt_from_date( $data['comment_date'] ); 2579 2580 if ( ! isset( $data['comment_approved'] ) ) { 2581 $data['comment_approved'] = 1; 2582 } elseif ( 'hold' === $data['comment_approved'] ) { 2583 $data['comment_approved'] = 0; 2584 } elseif ( 'approve' === $data['comment_approved'] ) { 2585 $data['comment_approved'] = 1; 2586 } 2587 2588 $comment_id = $data['comment_ID']; 2589 $comment_post_id = $data['comment_post_ID']; 2590 2591 /** 2592 * Filters the comment data immediately before it is updated in the database. 2593 * 2594 * Note: data being passed to the filter is already unslashed. 2595 * 2596 * @since 4.7.0 2597 * @since 5.5.0 Returning a WP_Error value from the filter will short-circuit comment update 2598 * and allow skipping further processing. 2599 * 2600 * @param array|WP_Error $data The new, processed comment data, or WP_Error. 2601 * @param array $comment The old, unslashed comment data. 2602 * @param array $commentarr The new, raw comment data. 2603 */ 2604 $data = apply_filters( 'wp_update_comment_data', $data, $comment, $commentarr ); 2605 2606 // Do not carry on on failure. 2607 if ( is_wp_error( $data ) ) { 2608 if ( $wp_error ) { 2609 return $data; 2610 } else { 2611 return false; 2612 } 2613 } 2614 2615 $keys = array( 2616 'comment_post_ID', 2617 'comment_author', 2618 'comment_author_email', 2619 'comment_author_url', 2620 'comment_author_IP', 2621 'comment_date', 2622 'comment_date_gmt', 2623 'comment_content', 2624 'comment_karma', 2625 'comment_approved', 2626 'comment_agent', 2627 'comment_type', 2628 'comment_parent', 2629 'user_id', 2630 ); 2631 2632 $data = wp_array_slice_assoc( $data, $keys ); 2633 2634 $result = $wpdb->update( $wpdb->comments, $data, array( 'comment_ID' => $comment_id ) ); 2635 2636 if ( false === $result ) { 2637 if ( $wp_error ) { 2638 return new WP_Error( 'db_update_error', __( 'Could not update comment in the database.' ), $wpdb->last_error ); 2639 } else { 2640 return false; 2641 } 2642 } 2643 2644 // If metadata is provided, store it. 2645 if ( isset( $commentarr['comment_meta'] ) && is_array( $commentarr['comment_meta'] ) ) { 2646 foreach ( $commentarr['comment_meta'] as $meta_key => $meta_value ) { 2647 update_comment_meta( $comment_id, $meta_key, $meta_value ); 2648 } 2649 } 2650 2651 clean_comment_cache( $comment_id ); 2652 wp_update_comment_count( $comment_post_id ); 2653 2654 /** 2655 * Fires immediately after a comment is updated in the database. 2656 * 2657 * The hook also fires immediately before comment status transition hooks are fired. 2658 * 2659 * @since 1.2.0 2660 * @since 4.6.0 Added the `$data` parameter. 2661 * 2662 * @param int $comment_id The comment ID. 2663 * @param array $data Comment data. 2664 */ 2665 do_action( 'edit_comment', $comment_id, $data ); 2666 2667 $comment = get_comment( $comment_id ); 2668 2669 wp_transition_comment_status( $comment->comment_approved, $old_status, $comment ); 2670 2671 return $result; 2672 } 2673 2674 /** 2675 * Determines whether to defer comment counting. 2676 * 2677 * When setting $defer to true, all post comment counts will not be updated 2678 * until $defer is set to false. When $defer is set to false, then all 2679 * previously deferred updated post comment counts will then be automatically 2680 * updated without having to call wp_update_comment_count() after. 2681 * 2682 * @since 2.5.0 2683 * 2684 * @param bool $defer 2685 * @return bool 2686 */ 2687 function wp_defer_comment_counting( $defer = null ) { 2688 static $_defer = false; 2689 2690 if ( is_bool( $defer ) ) { 2691 $_defer = $defer; 2692 // Flush any deferred counts. 2693 if ( ! $defer ) { 2694 wp_update_comment_count( null, true ); 2695 } 2696 } 2697 2698 return $_defer; 2699 } 2700 2701 /** 2702 * Updates the comment count for post(s). 2703 * 2704 * When $do_deferred is false (is by default) and the comments have been set to 2705 * be deferred, the post_id will be added to a queue, which will be updated at a 2706 * later date and only updated once per post ID. 2707 * 2708 * If the comments have not be set up to be deferred, then the post will be 2709 * updated. When $do_deferred is set to true, then all previous deferred post 2710 * IDs will be updated along with the current $post_id. 2711 * 2712 * @since 2.1.0 2713 * 2714 * @see wp_update_comment_count_now() For what could cause a false return value 2715 * 2716 * @param int|null $post_id Post ID. 2717 * @param bool $do_deferred Optional. Whether to process previously deferred 2718 * post comment counts. Default false. 2719 * @return bool|void True on success, false on failure or if post with ID does 2720 * not exist. 2721 */ 2722 function wp_update_comment_count( $post_id, $do_deferred = false ) { 2723 static $_deferred = array(); 2724 2725 if ( empty( $post_id ) && ! $do_deferred ) { 2726 return false; 2727 } 2728 2729 if ( $do_deferred ) { 2730 $_deferred = array_unique( $_deferred ); 2731 foreach ( $_deferred as $i => $_post_id ) { 2732 wp_update_comment_count_now( $_post_id ); 2733 unset( $_deferred[ $i ] ); 2734 /** @todo Move this outside of the foreach and reset $_deferred to an array instead */ 2735 } 2736 } 2737 2738 if ( wp_defer_comment_counting() ) { 2739 $_deferred[] = $post_id; 2740 return true; 2741 } elseif ( $post_id ) { 2742 return wp_update_comment_count_now( $post_id ); 2743 } 2744 } 2745 2746 /** 2747 * Updates the comment count for the post. 2748 * 2749 * @since 2.5.0 2750 * 2751 * @global wpdb $wpdb WordPress database abstraction object. 2752 * 2753 * @param int $post_id Post ID 2754 * @return bool True on success, false if the post does not exist. 2755 */ 2756 function wp_update_comment_count_now( $post_id ) { 2757 global $wpdb; 2758 2759 $post_id = (int) $post_id; 2760 2761 if ( ! $post_id ) { 2762 return false; 2763 } 2764 2765 wp_cache_delete( 'comments-0', 'counts' ); 2766 wp_cache_delete( "comments-{$post_id}", 'counts' ); 2767 2768 $post = get_post( $post_id ); 2769 2770 if ( ! $post ) { 2771 return false; 2772 } 2773 2774 $old = (int) $post->comment_count; 2775 2776 /** 2777 * Filters a post's comment count before it is updated in the database. 2778 * 2779 * @since 4.5.0 2780 * 2781 * @param int|null $new The new comment count. Default null. 2782 * @param int $old The old comment count. 2783 * @param int $post_id Post ID. 2784 */ 2785 $new = apply_filters( 'pre_wp_update_comment_count_now', null, $old, $post_id ); 2786 2787 if ( is_null( $new ) ) { 2788 $new = (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1'", $post_id ) ); 2789 } else { 2790 $new = (int) $new; 2791 } 2792 2793 $wpdb->update( $wpdb->posts, array( 'comment_count' => $new ), array( 'ID' => $post_id ) ); 2794 2795 clean_post_cache( $post ); 2796 2797 /** 2798 * Fires immediately after a post's comment count is updated in the database. 2799 * 2800 * @since 2.3.0 2801 * 2802 * @param int $post_id Post ID. 2803 * @param int $new The new comment count. 2804 * @param int $old The old comment count. 2805 */ 2806 do_action( 'wp_update_comment_count', $post_id, $new, $old ); 2807 2808 /** This action is documented in wp-includes/post.php */ 2809 do_action( "edit_post_{$post->post_type}", $post_id, $post ); 2810 2811 /** This action is documented in wp-includes/post.php */ 2812 do_action( 'edit_post', $post_id, $post ); 2813 2814 return true; 2815 } 2816 2817 // 2818 // Ping and trackback functions. 2819 // 2820 2821 /** 2822 * Finds a pingback server URI based on the given URL. 2823 * 2824 * Checks the HTML for the rel="pingback" link and X-Pingback headers. It does 2825 * a check for the X-Pingback headers first and returns that, if available. 2826 * The check for the rel="pingback" has more overhead than just the header. 2827 * 2828 * @since 1.5.0 2829 * 2830 * @param string $url URL to ping. 2831 * @param string $deprecated Not Used. 2832 * @return string|false String containing URI on success, false on failure. 2833 */ 2834 function discover_pingback_server_uri( $url, $deprecated = '' ) { 2835 if ( ! empty( $deprecated ) ) { 2836 _deprecated_argument( __FUNCTION__, '2.7.0' ); 2837 } 2838 2839 $pingback_str_dquote = 'rel="pingback"'; 2840 $pingback_str_squote = 'rel=\'pingback\''; 2841 2842 /** @todo Should use Filter Extension or custom preg_match instead. */ 2843 $parsed_url = parse_url( $url ); 2844 2845 if ( ! isset( $parsed_url['host'] ) ) { // Not a URL. This should never happen. 2846 return false; 2847 } 2848 2849 // Do not search for a pingback server on our own uploads. 2850 $uploads_dir = wp_get_upload_dir(); 2851 if ( str_starts_with( $url, $uploads_dir['baseurl'] ) ) { 2852 return false; 2853 } 2854 2855 $response = wp_safe_remote_head( 2856 $url, 2857 array( 2858 'timeout' => 2, 2859 'httpversion' => '1.0', 2860 ) 2861 ); 2862 2863 if ( is_wp_error( $response ) ) { 2864 return false; 2865 } 2866 2867 if ( wp_remote_retrieve_header( $response, 'X-Pingback' ) ) { 2868 return wp_remote_retrieve_header( $response, 'X-Pingback' ); 2869 } 2870 2871 // Not an (x)html, sgml, or xml page, no use going further. 2872 if ( preg_match( '#(image|audio|video|model)/#is', wp_remote_retrieve_header( $response, 'Content-Type' ) ) ) { 2873 return false; 2874 } 2875 2876 // Now do a GET since we're going to look in the HTML headers (and we're sure it's not a binary file). 2877 $response = wp_safe_remote_get( 2878 $url, 2879 array( 2880 'timeout' => 2, 2881 'httpversion' => '1.0', 2882 ) 2883 ); 2884 2885 if ( is_wp_error( $response ) ) { 2886 return false; 2887 } 2888 2889 $contents = wp_remote_retrieve_body( $response ); 2890 2891 $pingback_link_offset_dquote = strpos( $contents, $pingback_str_dquote ); 2892 $pingback_link_offset_squote = strpos( $contents, $pingback_str_squote ); 2893 if ( $pingback_link_offset_dquote || $pingback_link_offset_squote ) { 2894 $quote = ( $pingback_link_offset_dquote ) ? '"' : '\''; 2895 $pingback_link_offset = ( '"' === $quote ) ? $pingback_link_offset_dquote : $pingback_link_offset_squote; 2896 $pingback_href_pos = strpos( $contents, 'href=', $pingback_link_offset ); 2897 $pingback_href_start = $pingback_href_pos + 6; 2898 $pingback_href_end = strpos( $contents, $quote, $pingback_href_start ); 2899 $pingback_server_url_len = $pingback_href_end - $pingback_href_start; 2900 $pingback_server_url = substr( $contents, $pingback_href_start, $pingback_server_url_len ); 2901 2902 // We may find rel="pingback" but an incomplete pingback URL. 2903 if ( $pingback_server_url_len > 0 ) { // We got it! 2904 return $pingback_server_url; 2905 } 2906 } 2907 2908 return false; 2909 } 2910 2911 /** 2912 * Performs all pingbacks, enclosures, trackbacks, and sends to pingback services. 2913 * 2914 * @since 2.1.0 2915 * @since 5.6.0 Introduced `do_all_pings` action hook for individual services. 2916 */ 2917 function do_all_pings() { 2918 /** 2919 * Fires immediately after the `do_pings` event to hook services individually. 2920 * 2921 * @since 5.6.0 2922 */ 2923 do_action( 'do_all_pings' ); 2924 } 2925 2926 /** 2927 * Performs all pingbacks. 2928 * 2929 * @since 5.6.0 2930 */ 2931 function do_all_pingbacks() { 2932 $pings = get_posts( 2933 array( 2934 'post_type' => get_post_types(), 2935 'suppress_filters' => false, 2936 'nopaging' => true, 2937 'meta_key' => '_pingme', 2938 'fields' => 'ids', 2939 ) 2940 ); 2941 2942 foreach ( $pings as $ping ) { 2943 delete_post_meta( $ping, '_pingme' ); 2944 pingback( null, $ping ); 2945 } 2946 } 2947 2948 /** 2949 * Performs all enclosures. 2950 * 2951 * @since 5.6.0 2952 */ 2953 function do_all_enclosures() { 2954 $enclosures = get_posts( 2955 array( 2956 'post_type' => get_post_types(), 2957 'suppress_filters' => false, 2958 'nopaging' => true, 2959 'meta_key' => '_encloseme', 2960 'fields' => 'ids', 2961 ) 2962 ); 2963 2964 foreach ( $enclosures as $enclosure ) { 2965 delete_post_meta( $enclosure, '_encloseme' ); 2966 do_enclose( null, $enclosure ); 2967 } 2968 } 2969 2970 /** 2971 * Performs all trackbacks. 2972 * 2973 * @since 5.6.0 2974 */ 2975 function do_all_trackbacks() { 2976 $trackbacks = get_posts( 2977 array( 2978 'post_type' => get_post_types(), 2979 'suppress_filters' => false, 2980 'nopaging' => true, 2981 'meta_key' => '_trackbackme', 2982 'fields' => 'ids', 2983 ) 2984 ); 2985 2986 foreach ( $trackbacks as $trackback ) { 2987 delete_post_meta( $trackback, '_trackbackme' ); 2988 do_trackbacks( $trackback ); 2989 } 2990 } 2991 2992 /** 2993 * Performs trackbacks. 2994 * 2995 * @since 1.5.0 2996 * @since 4.7.0 `$post` can be a WP_Post object. 2997 * 2998 * @global wpdb $wpdb WordPress database abstraction object. 2999 * 3000 * @param int|WP_Post $post Post ID or object to do trackbacks on. 3001 * @return void|false Returns false on failure. 3002 */ 3003 function do_trackbacks( $post ) { 3004 global $wpdb; 3005 3006 $post = get_post( $post ); 3007 3008 if ( ! $post ) { 3009 return false; 3010 } 3011 3012 $to_ping = get_to_ping( $post ); 3013 $pinged = get_pung( $post ); 3014 3015 if ( empty( $to_ping ) ) { 3016 $wpdb->update( $wpdb->posts, array( 'to_ping' => '' ), array( 'ID' => $post->ID ) ); 3017 return; 3018 } 3019 3020 if ( empty( $post->post_excerpt ) ) { 3021 /** This filter is documented in wp-includes/post-template.php */ 3022 $excerpt = apply_filters( 'the_content', $post->post_content, $post->ID ); 3023 } else { 3024 /** This filter is documented in wp-includes/post-template.php */ 3025 $excerpt = apply_filters( 'the_excerpt', $post->post_excerpt ); 3026 } 3027 3028 $excerpt = str_replace( ']]>', ']]>', $excerpt ); 3029 $excerpt = wp_html_excerpt( $excerpt, 252, '…' ); 3030 3031 /** This filter is documented in wp-includes/post-template.php */ 3032 $post_title = apply_filters( 'the_title', $post->post_title, $post->ID ); 3033 $post_title = strip_tags( $post_title ); 3034 3035 if ( $to_ping ) { 3036 foreach ( (array) $to_ping as $tb_ping ) { 3037 $tb_ping = trim( $tb_ping ); 3038 if ( ! in_array( $tb_ping, $pinged, true ) ) { 3039 trackback( $tb_ping, $post_title, $excerpt, $post->ID ); 3040 $pinged[] = $tb_ping; 3041 } else { 3042 $wpdb->query( 3043 $wpdb->prepare( 3044 "UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, %s, 3045 '')) WHERE ID = %d", 3046 $tb_ping, 3047 $post->ID 3048 ) 3049 ); 3050 } 3051 } 3052 } 3053 } 3054 3055 /** 3056 * Sends pings to all of the ping site services. 3057 * 3058 * @since 1.2.0 3059 * 3060 * @param int $post_id Post ID. 3061 * @return int Same post ID as provided. 3062 */ 3063 function generic_ping( $post_id = 0 ) { 3064 $services = get_option( 'ping_sites' ); 3065 3066 $services = explode( "\n", $services ); 3067 foreach ( (array) $services as $service ) { 3068 $service = trim( $service ); 3069 if ( '' !== $service ) { 3070 weblog_ping( $service ); 3071 } 3072 } 3073 3074 return $post_id; 3075 } 3076 3077 /** 3078 * Pings back the links found in a post. 3079 * 3080 * @since 0.71 3081 * @since 4.7.0 `$post` can be a WP_Post object. 3082 * 3083 * @param string $content Post content to check for links. If empty will retrieve from post. 3084 * @param int|WP_Post $post Post ID or object. 3085 */ 3086 function pingback( $content, $post ) { 3087 require_once ABSPATH . WPINC . '/class-IXR.php'; 3088 require_once ABSPATH . WPINC . '/class-wp-http-ixr-client.php'; 3089 3090 // Original code by Mort (http://mort.mine.nu:8080). 3091 $post_links = array(); 3092 3093 $post = get_post( $post ); 3094 3095 if ( ! $post ) { 3096 return; 3097 } 3098 3099 $pung = get_pung( $post ); 3100 3101 if ( empty( $content ) ) { 3102 $content = $post->post_content; 3103 } 3104 3105 /* 3106 * Step 1. 3107 * Parsing the post, external links (if any) are stored in the $post_links array. 3108 */ 3109 $post_links_temp = wp_extract_urls( $content ); 3110 3111 /* 3112 * Step 2. 3113 * Walking through the links array. 3114 * First we get rid of links pointing to sites, not to specific files. 3115 * Example: 3116 * http://dummy-weblog.org 3117 * http://dummy-weblog.org/ 3118 * http://dummy-weblog.org/post.php 3119 * We don't wanna ping first and second types, even if they have a valid <link/>. 3120 */ 3121 foreach ( (array) $post_links_temp as $link_test ) { 3122 // If we haven't pung it already and it isn't a link to itself. 3123 if ( ! in_array( $link_test, $pung, true ) && ( url_to_postid( $link_test ) != $post->ID ) 3124 // Also, let's never ping local attachments. 3125 && ! is_local_attachment( $link_test ) 3126 ) { 3127 $test = parse_url( $link_test ); 3128 if ( $test ) { 3129 if ( isset( $test['query'] ) ) { 3130 $post_links[] = $link_test; 3131 } elseif ( isset( $test['path'] ) && ( '/' !== $test['path'] ) && ( '' !== $test['path'] ) ) { 3132 $post_links[] = $link_test; 3133 } 3134 } 3135 } 3136 } 3137 3138 $post_links = array_unique( $post_links ); 3139 3140 /** 3141 * Fires just before pinging back links found in a post. 3142 * 3143 * @since 2.0.0 3144 * 3145 * @param string[] $post_links Array of link URLs to be checked (passed by reference). 3146 * @param string[] $pung Array of link URLs already pinged (passed by reference). 3147 * @param int $post_id The post ID. 3148 */ 3149 do_action_ref_array( 'pre_ping', array( &$post_links, &$pung, $post->ID ) ); 3150 3151 foreach ( (array) $post_links as $pagelinkedto ) { 3152 $pingback_server_url = discover_pingback_server_uri( $pagelinkedto ); 3153 3154 if ( $pingback_server_url ) { 3155 // Allow an additional 60 seconds for each pingback to complete. 3156 if ( function_exists( 'set_time_limit' ) ) { 3157 set_time_limit( 60 ); 3158 } 3159 3160 // Now, the RPC call. 3161 $pagelinkedfrom = get_permalink( $post ); 3162 3163 // Using a timeout of 3 seconds should be enough to cover slow servers. 3164 $client = new WP_HTTP_IXR_Client( $pingback_server_url ); 3165 $client->timeout = 3; 3166 /** 3167 * Filters the user agent sent when pinging-back a URL. 3168 * 3169 * @since 2.9.0 3170 * 3171 * @param string $concat_useragent The user agent concatenated with ' -- WordPress/' 3172 * and the WordPress version. 3173 * @param string $useragent The useragent. 3174 * @param string $pingback_server_url The server URL being linked to. 3175 * @param string $pagelinkedto URL of page linked to. 3176 * @param string $pagelinkedfrom URL of page linked from. 3177 */ 3178 $client->useragent = apply_filters( 'pingback_useragent', $client->useragent . ' -- WordPress/' . get_bloginfo( 'version' ), $client->useragent, $pingback_server_url, $pagelinkedto, $pagelinkedfrom ); 3179 // When set to true, this outputs debug messages by itself. 3180 $client->debug = false; 3181 3182 if ( $client->query( 'pingback.ping', $pagelinkedfrom, $pagelinkedto ) || ( isset( $client->error->code ) && 48 == $client->error->code ) ) { // Already registered. 3183 add_ping( $post, $pagelinkedto ); 3184 } 3185 } 3186 } 3187 } 3188 3189 /** 3190 * Checks whether blog is public before returning sites. 3191 * 3192 * @since 2.1.0 3193 * 3194 * @param mixed $sites Will return if blog is public, will not return if not public. 3195 * @return mixed Empty string if blog is not public, returns $sites, if site is public. 3196 */ 3197 function privacy_ping_filter( $sites ) { 3198 if ( '0' != get_option( 'blog_public' ) ) { 3199 return $sites; 3200 } else { 3201 return ''; 3202 } 3203 } 3204 3205 /** 3206 * Sends a Trackback. 3207 * 3208 * Updates database when sending trackback to prevent duplicates. 3209 * 3210 * @since 0.71 3211 * 3212 * @global wpdb $wpdb WordPress database abstraction object. 3213 * 3214 * @param string $trackback_url URL to send trackbacks. 3215 * @param string $title Title of post. 3216 * @param string $excerpt Excerpt of post. 3217 * @param int $post_id Post ID. 3218 * @return int|false|void Database query from update. 3219 */ 3220 function trackback( $trackback_url, $title, $excerpt, $post_id ) { 3221 global $wpdb; 3222 3223 if ( empty( $trackback_url ) ) { 3224 return; 3225 } 3226 3227 $options = array(); 3228 $options['timeout'] = 10; 3229 $options['body'] = array( 3230 'title' => $title, 3231 'url' => get_permalink( $post_id ), 3232 'blog_name' => get_option( 'blogname' ), 3233 'excerpt' => $excerpt, 3234 ); 3235 3236 $response = wp_safe_remote_post( $trackback_url, $options ); 3237 3238 if ( is_wp_error( $response ) ) { 3239 return; 3240 } 3241 3242 $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->posts SET pinged = CONCAT(pinged, '\n', %s) WHERE ID = %d", $trackback_url, $post_id ) ); 3243 return $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, %s, '')) WHERE ID = %d", $trackback_url, $post_id ) ); 3244 } 3245 3246 /** 3247 * Sends a pingback. 3248 * 3249 * @since 1.2.0 3250 * 3251 * @param string $server Host of blog to connect to. 3252 * @param string $path Path to send the ping. 3253 */ 3254 function weblog_ping( $server = '', $path = '' ) { 3255 require_once ABSPATH . WPINC . '/class-IXR.php'; 3256 require_once ABSPATH . WPINC . '/class-wp-http-ixr-client.php'; 3257 3258 // Using a timeout of 3 seconds should be enough to cover slow servers. 3259 $client = new WP_HTTP_IXR_Client( $server, ( ( ! strlen( trim( $path ) ) || ( '/' === $path ) ) ? false : $path ) ); 3260 $client->timeout = 3; 3261 $client->useragent .= ' -- WordPress/' . get_bloginfo( 'version' ); 3262 3263 // When set to true, this outputs debug messages by itself. 3264 $client->debug = false; 3265 $home = trailingslashit( home_url() ); 3266 if ( ! $client->query( 'weblogUpdates.extendedPing', get_option( 'blogname' ), $home, get_bloginfo( 'rss2_url' ) ) ) { // Then try a normal ping. 3267 $client->query( 'weblogUpdates.ping', get_option( 'blogname' ), $home ); 3268 } 3269 } 3270 3271 /** 3272 * Default filter attached to pingback_ping_source_uri to validate the pingback's Source URI. 3273 * 3274 * @since 3.5.1 3275 * 3276 * @see wp_http_validate_url() 3277 * 3278 * @param string $source_uri 3279 * @return string 3280 */ 3281 function pingback_ping_source_uri( $source_uri ) { 3282 return (string) wp_http_validate_url( $source_uri ); 3283 } 3284 3285 /** 3286 * Default filter attached to xmlrpc_pingback_error. 3287 * 3288 * Returns a generic pingback error code unless the error code is 48, 3289 * which reports that the pingback is already registered. 3290 * 3291 * @since 3.5.1 3292 * 3293 * @link https://www.hixie.ch/specs/pingback/pingback#TOC3 3294 * 3295 * @param IXR_Error $ixr_error 3296 * @return IXR_Error 3297 */ 3298 function xmlrpc_pingback_error( $ixr_error ) { 3299 if ( 48 === $ixr_error->code ) { 3300 return $ixr_error; 3301 } 3302 return new IXR_Error( 0, '' ); 3303 } 3304 3305 // 3306 // Cache. 3307 // 3308 3309 /** 3310 * Removes a comment from the object cache. 3311 * 3312 * @since 2.3.0 3313 * 3314 * @param int|array $ids Comment ID or an array of comment IDs to remove from cache. 3315 */ 3316 function clean_comment_cache( $ids ) { 3317 $comment_ids = (array) $ids; 3318 wp_cache_delete_multiple( $comment_ids, 'comment' ); 3319 foreach ( $comment_ids as $id ) { 3320 /** 3321 * Fires immediately after a comment has been removed from the object cache. 3322 * 3323 * @since 4.5.0 3324 * 3325 * @param int $id Comment ID. 3326 */ 3327 do_action( 'clean_comment_cache', $id ); 3328 } 3329 3330 wp_cache_set_comments_last_changed(); 3331 } 3332 3333 /** 3334 * Updates the comment cache of given comments. 3335 * 3336 * Will add the comments in $comments to the cache. If comment ID already exists 3337 * in the comment cache then it will not be updated. The comment is added to the 3338 * cache using the comment group with the key using the ID of the comments. 3339 * 3340 * @since 2.3.0 3341 * @since 4.4.0 Introduced the `$update_meta_cache` parameter. 3342 * 3343 * @param WP_Comment[] $comments Array of comment objects 3344 * @param bool $update_meta_cache Whether to update commentmeta cache. Default true. 3345 */ 3346 function update_comment_cache( $comments, $update_meta_cache = true ) { 3347 $data = array(); 3348 foreach ( (array) $comments as $comment ) { 3349 $data[ $comment->comment_ID ] = $comment; 3350 } 3351 wp_cache_add_multiple( $data, 'comment' ); 3352 3353 if ( $update_meta_cache ) { 3354 // Avoid `wp_list_pluck()` in case `$comments` is passed by reference. 3355 $comment_ids = array(); 3356 foreach ( $comments as $comment ) { 3357 $comment_ids[] = $comment->comment_ID; 3358 } 3359 update_meta_cache( 'comment', $comment_ids ); 3360 } 3361 } 3362 3363 /** 3364 * Adds any comments from the given IDs to the cache that do not already exist in cache. 3365 * 3366 * @since 4.4.0 3367 * @since 6.1.0 This function is no longer marked as "private". 3368 * @since 6.3.0 Use wp_lazyload_comment_meta() for lazy-loading of comment meta. 3369 * 3370 * @see update_comment_cache() 3371 * @global wpdb $wpdb WordPress database abstraction object. 3372 * 3373 * @param int[] $comment_ids Array of comment IDs. 3374 * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true. 3375 */ 3376 function _prime_comment_caches( $comment_ids, $update_meta_cache = true ) { 3377 global $wpdb; 3378 3379 $non_cached_ids = _get_non_cached_ids( $comment_ids, 'comment' ); 3380 if ( ! empty( $non_cached_ids ) ) { 3381 $fresh_comments = $wpdb->get_results( sprintf( "SELECT $wpdb->comments.* FROM $wpdb->comments WHERE comment_ID IN (%s)", implode( ',', array_map( 'intval', $non_cached_ids ) ) ) ); 3382 3383 update_comment_cache( $fresh_comments, false ); 3384 } 3385 3386 if ( $update_meta_cache ) { 3387 wp_lazyload_comment_meta( $comment_ids ); 3388 } 3389 } 3390 3391 // 3392 // Internal. 3393 // 3394 3395 /** 3396 * Closes comments on old posts on the fly, without any extra DB queries. Hooked to the_posts. 3397 * 3398 * @since 2.7.0 3399 * @access private 3400 * 3401 * @param WP_Post $posts Post data object. 3402 * @param WP_Query $query Query object. 3403 * @return array 3404 */ 3405 function _close_comments_for_old_posts( $posts, $query ) { 3406 if ( empty( $posts ) || ! $query->is_singular() || ! get_option( 'close_comments_for_old_posts' ) ) { 3407 return $posts; 3408 } 3409 3410 /** 3411 * Filters the list of post types to automatically close comments for. 3412 * 3413 * @since 3.2.0 3414 * 3415 * @param string[] $post_types An array of post type names. 3416 */ 3417 $post_types = apply_filters( 'close_comments_for_post_types', array( 'post' ) ); 3418 if ( ! in_array( $posts[0]->post_type, $post_types, true ) ) { 3419 return $posts; 3420 } 3421 3422 $days_old = (int) get_option( 'close_comments_days_old' ); 3423 if ( ! $days_old ) { 3424 return $posts; 3425 } 3426 3427 if ( time() - strtotime( $posts[0]->post_date_gmt ) > ( $days_old * DAY_IN_SECONDS ) ) { 3428 $posts[0]->comment_status = 'closed'; 3429 $posts[0]->ping_status = 'closed'; 3430 } 3431 3432 return $posts; 3433 } 3434 3435 /** 3436 * Closes comments on an old post. Hooked to comments_open and pings_open. 3437 * 3438 * @since 2.7.0 3439 * @access private 3440 * 3441 * @param bool $open Comments open or closed. 3442 * @param int $post_id Post ID. 3443 * @return bool $open 3444 */ 3445 function _close_comments_for_old_post( $open, $post_id ) { 3446 if ( ! $open ) { 3447 return $open; 3448 } 3449 3450 if ( ! get_option( 'close_comments_for_old_posts' ) ) { 3451 return $open; 3452 } 3453 3454 $days_old = (int) get_option( 'close_comments_days_old' ); 3455 if ( ! $days_old ) { 3456 return $open; 3457 } 3458 3459 $post = get_post( $post_id ); 3460 3461 /** This filter is documented in wp-includes/comment.php */ 3462 $post_types = apply_filters( 'close_comments_for_post_types', array( 'post' ) ); 3463 if ( ! in_array( $post->post_type, $post_types, true ) ) { 3464 return $open; 3465 } 3466 3467 // Undated drafts should not show up as comments closed. 3468 if ( '0000-00-00 00:00:00' === $post->post_date_gmt ) { 3469 return $open; 3470 } 3471 3472 if ( time() - strtotime( $post->post_date_gmt ) > ( $days_old * DAY_IN_SECONDS ) ) { 3473 return false; 3474 } 3475 3476 return $open; 3477 } 3478 3479 /** 3480 * Handles the submission of a comment, usually posted to wp-comments-post.php via a comment form. 3481 * 3482 * This function expects unslashed data, as opposed to functions such as `wp_new_comment()` which 3483 * expect slashed data. 3484 * 3485 * @since 4.4.0 3486 * 3487 * @param array $comment_data { 3488 * Comment data. 3489 * 3490 * @type string|int $comment_post_ID The ID of the post that relates to the comment. 3491 * @type string $author The name of the comment author. 3492 * @type string $email The comment author email address. 3493 * @type string $url The comment author URL. 3494 * @type string $comment The content of the comment. 3495 * @type string|int $comment_parent The ID of this comment's parent, if any. Default 0. 3496 * @type string $_wp_unfiltered_html_comment The nonce value for allowing unfiltered HTML. 3497 * } 3498 * @return WP_Comment|WP_Error A WP_Comment object on success, a WP_Error object on failure. 3499 */ 3500 function wp_handle_comment_submission( $comment_data ) { 3501 $comment_post_id = 0; 3502 $comment_author = ''; 3503 $comment_author_email = ''; 3504 $comment_author_url = ''; 3505 $comment_content = ''; 3506 $comment_parent = 0; 3507 $user_id = 0; 3508 3509 if ( isset( $comment_data['comment_post_ID'] ) ) { 3510 $comment_post_id = (int) $comment_data['comment_post_ID']; 3511 } 3512 if ( isset( $comment_data['author'] ) && is_string( $comment_data['author'] ) ) { 3513 $comment_author = trim( strip_tags( $comment_data['author'] ) ); 3514 } 3515 if ( isset( $comment_data['email'] ) && is_string( $comment_data['email'] ) ) { 3516 $comment_author_email = trim( $comment_data['email'] ); 3517 } 3518 if ( isset( $comment_data['url'] ) && is_string( $comment_data['url'] ) ) { 3519 $comment_author_url = trim( $comment_data['url'] ); 3520 } 3521 if ( isset( $comment_data['comment'] ) && is_string( $comment_data['comment'] ) ) { 3522 $comment_content = trim( $comment_data['comment'] ); 3523 } 3524 if ( isset( $comment_data['comment_parent'] ) ) { 3525 $comment_parent = absint( $comment_data['comment_parent'] ); 3526 $comment_parent_object = get_comment( $comment_parent ); 3527 3528 if ( 3529 0 !== $comment_parent && 3530 ( 3531 ! $comment_parent_object instanceof WP_Comment || 3532 0 === (int) $comment_parent_object->comment_approved 3533 ) 3534 ) { 3535 /** 3536 * Fires when a comment reply is attempted to an unapproved comment. 3537 * 3538 * @since 6.2.0 3539 * 3540 * @param int $comment_post_id Post ID. 3541 * @param int $comment_parent Parent comment ID. 3542 */ 3543 do_action( 'comment_reply_to_unapproved_comment', $comment_post_id, $comment_parent ); 3544 3545 return new WP_Error( 'comment_reply_to_unapproved_comment', __( 'Sorry, replies to unapproved comments are not allowed.' ), 403 ); 3546 } 3547 } 3548 3549 $post = get_post( $comment_post_id ); 3550 3551 if ( empty( $post->comment_status ) ) { 3552 3553 /** 3554 * Fires when a comment is attempted on a post that does not exist. 3555 * 3556 * @since 1.5.0 3557 * 3558 * @param int $comment_post_id Post ID. 3559 */ 3560 do_action( 'comment_id_not_found', $comment_post_id ); 3561 3562 return new WP_Error( 'comment_id_not_found' ); 3563 3564 } 3565 3566 // get_post_status() will get the parent status for attachments. 3567 $status = get_post_status( $post ); 3568 3569 if ( ( 'private' === $status ) && ! current_user_can( 'read_post', $comment_post_id ) ) { 3570 return new WP_Error( 'comment_id_not_found' ); 3571 } 3572 3573 $status_obj = get_post_status_object( $status ); 3574 3575 if ( ! comments_open( $comment_post_id ) ) { 3576 3577 /** 3578 * Fires when a comment is attempted on a post that has comments closed. 3579 * 3580 * @since 1.5.0 3581 * 3582 * @param int $comment_post_id Post ID. 3583 */ 3584 do_action( 'comment_closed', $comment_post_id ); 3585 3586 return new WP_Error( 'comment_closed', __( 'Sorry, comments are closed for this item.' ), 403 ); 3587 3588 } elseif ( 'trash' === $status ) { 3589 3590 /** 3591 * Fires when a comment is attempted on a trashed post. 3592 * 3593 * @since 2.9.0 3594 * 3595 * @param int $comment_post_id Post ID. 3596 */ 3597 do_action( 'comment_on_trash', $comment_post_id ); 3598 3599 return new WP_Error( 'comment_on_trash' ); 3600 3601 } elseif ( ! $status_obj->public && ! $status_obj->private ) { 3602 3603 /** 3604 * Fires when a comment is attempted on a post in draft mode. 3605 * 3606 * @since 1.5.1 3607 * 3608 * @param int $comment_post_id Post ID. 3609 */ 3610 do_action( 'comment_on_draft', $comment_post_id ); 3611 3612 if ( current_user_can( 'read_post', $comment_post_id ) ) { 3613 return new WP_Error( 'comment_on_draft', __( 'Sorry, comments are not allowed for this item.' ), 403 ); 3614 } else { 3615 return new WP_Error( 'comment_on_draft' ); 3616 } 3617 } elseif ( post_password_required( $comment_post_id ) ) { 3618 3619 /** 3620 * Fires when a comment is attempted on a password-protected post. 3621 * 3622 * @since 2.9.0 3623 * 3624 * @param int $comment_post_id Post ID. 3625 */ 3626 do_action( 'comment_on_password_protected', $comment_post_id ); 3627 3628 return new WP_Error( 'comment_on_password_protected' ); 3629 3630 } else { 3631 /** 3632 * Fires before a comment is posted. 3633 * 3634 * @since 2.8.0 3635 * 3636 * @param int $comment_post_id Post ID. 3637 */ 3638 do_action( 'pre_comment_on_post', $comment_post_id ); 3639 } 3640 3641 // If the user is logged in. 3642 $user = wp_get_current_user(); 3643 if ( $user->exists() ) { 3644 if ( empty( $user->display_name ) ) { 3645 $user->display_name = $user->user_login; 3646 } 3647 3648 $comment_author = $user->display_name; 3649 $comment_author_email = $user->user_email; 3650 $comment_author_url = $user->user_url; 3651 $user_id = $user->ID; 3652 3653 if ( current_user_can( 'unfiltered_html' ) ) { 3654 if ( ! isset( $comment_data['_wp_unfiltered_html_comment'] ) 3655 || ! wp_verify_nonce( $comment_data['_wp_unfiltered_html_comment'], 'unfiltered-html-comment_' . $comment_post_id ) 3656 ) { 3657 kses_remove_filters(); // Start with a clean slate. 3658 kses_init_filters(); // Set up the filters. 3659 remove_filter( 'pre_comment_content', 'wp_filter_post_kses' ); 3660 add_filter( 'pre_comment_content', 'wp_filter_kses' ); 3661 } 3662 } 3663 } else { 3664 if ( get_option( 'comment_registration' ) ) { 3665 return new WP_Error( 'not_logged_in', __( 'Sorry, you must be logged in to comment.' ), 403 ); 3666 } 3667 } 3668 3669 $comment_type = 'comment'; 3670 3671 if ( get_option( 'require_name_email' ) && ! $user->exists() ) { 3672 if ( '' === $comment_author_email || '' === $comment_author ) { 3673 return new WP_Error( 'require_name_email', __( '<strong>Error:</strong> Please fill the required fields.' ), 200 ); 3674 } elseif ( ! is_email( $comment_author_email ) ) { 3675 return new WP_Error( 'require_valid_email', __( '<strong>Error:</strong> Please enter a valid email address.' ), 200 ); 3676 } 3677 } 3678 3679 $commentdata = array( 3680 'comment_post_ID' => $comment_post_id, 3681 ); 3682 3683 $commentdata += compact( 3684 'comment_author', 3685 'comment_author_email', 3686 'comment_author_url', 3687 'comment_content', 3688 'comment_type', 3689 'comment_parent', 3690 'user_id' 3691 ); 3692 3693 /** 3694 * Filters whether an empty comment should be allowed. 3695 * 3696 * @since 5.1.0 3697 * 3698 * @param bool $allow_empty_comment Whether to allow empty comments. Default false. 3699 * @param array $commentdata Array of comment data to be sent to wp_insert_comment(). 3700 */ 3701 $allow_empty_comment = apply_filters( 'allow_empty_comment', false, $commentdata ); 3702 if ( '' === $comment_content && ! $allow_empty_comment ) { 3703 return new WP_Error( 'require_valid_comment', __( '<strong>Error:</strong> Please type your comment text.' ), 200 ); 3704 } 3705 3706 $check_max_lengths = wp_check_comment_data_max_lengths( $commentdata ); 3707 if ( is_wp_error( $check_max_lengths ) ) { 3708 return $check_max_lengths; 3709 } 3710 3711 $comment_id = wp_new_comment( wp_slash( $commentdata ), true ); 3712 if ( is_wp_error( $comment_id ) ) { 3713 return $comment_id; 3714 } 3715 3716 if ( ! $comment_id ) { 3717 return new WP_Error( 'comment_save_error', __( '<strong>Error:</strong> The comment could not be saved. Please try again later.' ), 500 ); 3718 } 3719 3720 return get_comment( $comment_id ); 3721 } 3722 3723 /** 3724 * Registers the personal data exporter for comments. 3725 * 3726 * @since 4.9.6 3727 * 3728 * @param array[] $exporters An array of personal data exporters. 3729 * @return array[] An array of personal data exporters. 3730 */ 3731 function wp_register_comment_personal_data_exporter( $exporters ) { 3732 $exporters['wordpress-comments'] = array( 3733 'exporter_friendly_name' => __( 'WordPress Comments' ), 3734 'callback' => 'wp_comments_personal_data_exporter', 3735 ); 3736 3737 return $exporters; 3738 } 3739 3740 /** 3741 * Finds and exports personal data associated with an email address from the comments table. 3742 * 3743 * @since 4.9.6 3744 * 3745 * @param string $email_address The comment author email address. 3746 * @param int $page Comment page number. 3747 * @return array { 3748 * An array of personal data. 3749 * 3750 * @type array[] $data An array of personal data arrays. 3751 * @type bool $done Whether the exporter is finished. 3752 * } 3753 */ 3754 function wp_comments_personal_data_exporter( $email_address, $page = 1 ) { 3755 // Limit us to 500 comments at a time to avoid timing out. 3756 $number = 500; 3757 $page = (int) $page; 3758 3759 $data_to_export = array(); 3760 3761 $comments = get_comments( 3762 array( 3763 'author_email' => $email_address, 3764 'number' => $number, 3765 'paged' => $page, 3766 'orderby' => 'comment_ID', 3767 'order' => 'ASC', 3768 'update_comment_meta_cache' => false, 3769 ) 3770 ); 3771 3772 $comment_prop_to_export = array( 3773 'comment_author' => __( 'Comment Author' ), 3774 'comment_author_email' => __( 'Comment Author Email' ), 3775 'comment_author_url' => __( 'Comment Author URL' ), 3776 'comment_author_IP' => __( 'Comment Author IP' ), 3777 'comment_agent' => __( 'Comment Author User Agent' ), 3778 'comment_date' => __( 'Comment Date' ), 3779 'comment_content' => __( 'Comment Content' ), 3780 'comment_link' => __( 'Comment URL' ), 3781 ); 3782 3783 foreach ( (array) $comments as $comment ) { 3784 $comment_data_to_export = array(); 3785 3786 foreach ( $comment_prop_to_export as $key => $name ) { 3787 $value = ''; 3788 3789 switch ( $key ) { 3790 case 'comment_author': 3791 case 'comment_author_email': 3792 case 'comment_author_url': 3793 case 'comment_author_IP': 3794 case 'comment_agent': 3795 case 'comment_date': 3796 $value = $comment->{$key}; 3797 break; 3798 3799 case 'comment_content': 3800 $value = get_comment_text( $comment->comment_ID ); 3801 break; 3802 3803 case 'comment_link': 3804 $value = get_comment_link( $comment->comment_ID ); 3805 $value = sprintf( 3806 '<a href="%s" target="_blank">%s</a>', 3807 esc_url( $value ), 3808 esc_html( $value ) 3809 ); 3810 break; 3811 } 3812 3813 if ( ! empty( $value ) ) { 3814 $comment_data_to_export[] = array( 3815 'name' => $name, 3816 'value' => $value, 3817 ); 3818 } 3819 } 3820 3821 $data_to_export[] = array( 3822 'group_id' => 'comments', 3823 'group_label' => __( 'Comments' ), 3824 'group_description' => __( 'User’s comment data.' ), 3825 'item_id' => "comment-{$comment->comment_ID}", 3826 'data' => $comment_data_to_export, 3827 ); 3828 } 3829 3830 $done = count( $comments ) < $number; 3831 3832 return array( 3833 'data' => $data_to_export, 3834 'done' => $done, 3835 ); 3836 } 3837 3838 /** 3839 * Registers the personal data eraser for comments. 3840 * 3841 * @since 4.9.6 3842 * 3843 * @param array $erasers An array of personal data erasers. 3844 * @return array An array of personal data erasers. 3845 */ 3846 function wp_register_comment_personal_data_eraser( $erasers ) { 3847 $erasers['wordpress-comments'] = array( 3848 'eraser_friendly_name' => __( 'WordPress Comments' ), 3849 'callback' => 'wp_comments_personal_data_eraser', 3850 ); 3851 3852 return $erasers; 3853 } 3854 3855 /** 3856 * Erases personal data associated with an email address from the comments table. 3857 * 3858 * @since 4.9.6 3859 * 3860 * @global wpdb $wpdb WordPress database abstraction object. 3861 * 3862 * @param string $email_address The comment author email address. 3863 * @param int $page Comment page number. 3864 * @return array { 3865 * Data removal results. 3866 * 3867 * @type bool $items_removed Whether items were actually removed. 3868 * @type bool $items_retained Whether items were retained. 3869 * @type string[] $messages An array of messages to add to the personal data export file. 3870 * @type bool $done Whether the eraser is finished. 3871 * } 3872 */ 3873 function wp_comments_personal_data_eraser( $email_address, $page = 1 ) { 3874 global $wpdb; 3875 3876 if ( empty( $email_address ) ) { 3877 return array( 3878 'items_removed' => false, 3879 'items_retained' => false, 3880 'messages' => array(), 3881 'done' => true, 3882 ); 3883 } 3884 3885 // Limit us to 500 comments at a time to avoid timing out. 3886 $number = 500; 3887 $page = (int) $page; 3888 $items_removed = false; 3889 $items_retained = false; 3890 3891 $comments = get_comments( 3892 array( 3893 'author_email' => $email_address, 3894 'number' => $number, 3895 'paged' => $page, 3896 'orderby' => 'comment_ID', 3897 'order' => 'ASC', 3898 'include_unapproved' => true, 3899 ) 3900 ); 3901 3902 /* translators: Name of a comment's author after being anonymized. */ 3903 $anon_author = __( 'Anonymous' ); 3904 $messages = array(); 3905 3906 foreach ( (array) $comments as $comment ) { 3907 $anonymized_comment = array(); 3908 $anonymized_comment['comment_agent'] = ''; 3909 $anonymized_comment['comment_author'] = $anon_author; 3910 $anonymized_comment['comment_author_email'] = ''; 3911 $anonymized_comment['comment_author_IP'] = wp_privacy_anonymize_data( 'ip', $comment->comment_author_IP ); 3912 $anonymized_comment['comment_author_url'] = ''; 3913 $anonymized_comment['user_id'] = 0; 3914 3915 $comment_id = (int) $comment->comment_ID; 3916 3917 /** 3918 * Filters whether to anonymize the comment. 3919 * 3920 * @since 4.9.6 3921 * 3922 * @param bool|string $anon_message Whether to apply the comment anonymization (bool) or a custom 3923 * message (string). Default true. 3924 * @param WP_Comment $comment WP_Comment object. 3925 * @param array $anonymized_comment Anonymized comment data. 3926 */ 3927 $anon_message = apply_filters( 'wp_anonymize_comment', true, $comment, $anonymized_comment ); 3928 3929 if ( true !== $anon_message ) { 3930 if ( $anon_message && is_string( $anon_message ) ) { 3931 $messages[] = esc_html( $anon_message ); 3932 } else { 3933 /* translators: %d: Comment ID. */ 3934 $messages[] = sprintf( __( 'Comment %d contains personal data but could not be anonymized.' ), $comment_id ); 3935 } 3936 3937 $items_retained = true; 3938 3939 continue; 3940 } 3941 3942 $args = array( 3943 'comment_ID' => $comment_id, 3944 ); 3945 3946 $updated = $wpdb->update( $wpdb->comments, $anonymized_comment, $args ); 3947 3948 if ( $updated ) { 3949 $items_removed = true; 3950 clean_comment_cache( $comment_id ); 3951 } else { 3952 $items_retained = true; 3953 } 3954 } 3955 3956 $done = count( $comments ) < $number; 3957 3958 return array( 3959 'items_removed' => $items_removed, 3960 'items_retained' => $items_retained, 3961 'messages' => $messages, 3962 'done' => $done, 3963 ); 3964 } 3965 3966 /** 3967 * Sets the last changed time for the 'comment' cache group. 3968 * 3969 * @since 5.0.0 3970 */ 3971 function wp_cache_set_comments_last_changed() { 3972 wp_cache_set_last_changed( 'comment' ); 3973 } 3974 3975 /** 3976 * Updates the comment type for a batch of comments. 3977 * 3978 * @since 5.5.0 3979 * 3980 * @global wpdb $wpdb WordPress database abstraction object. 3981 */ 3982 function _wp_batch_update_comment_type() { 3983 global $wpdb; 3984 3985 $lock_name = 'update_comment_type.lock'; 3986 3987 // Try to lock. 3988 $lock_result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` ( `option_name`, `option_value`, `autoload` ) VALUES (%s, %s, 'no') /* LOCK */", $lock_name, time() ) ); 3989 3990 if ( ! $lock_result ) { 3991 $lock_result = get_option( $lock_name ); 3992 3993 // Bail if we were unable to create a lock, or if the existing lock is still valid. 3994 if ( ! $lock_result || ( $lock_result > ( time() - HOUR_IN_SECONDS ) ) ) { 3995 wp_schedule_single_event( time() + ( 5 * MINUTE_IN_SECONDS ), 'wp_update_comment_type_batch' ); 3996 return; 3997 } 3998 } 3999 4000 // Update the lock, as by this point we've definitely got a lock, just need to fire the actions. 4001 update_option( $lock_name, time() ); 4002 4003 // Check if there's still an empty comment type. 4004 $empty_comment_type = $wpdb->get_var( 4005 "SELECT comment_ID FROM $wpdb->comments 4006 WHERE comment_type = '' 4007 LIMIT 1" 4008 ); 4009 4010 // No empty comment type, we're done here. 4011 if ( ! $empty_comment_type ) { 4012 update_option( 'finished_updating_comment_type', true ); 4013 delete_option( $lock_name ); 4014 return; 4015 } 4016 4017 // Empty comment type found? We'll need to run this script again. 4018 wp_schedule_single_event( time() + ( 2 * MINUTE_IN_SECONDS ), 'wp_update_comment_type_batch' ); 4019 4020 /** 4021 * Filters the comment batch size for updating the comment type. 4022 * 4023 * @since 5.5.0 4024 * 4025 * @param int $comment_batch_size The comment batch size. Default 100. 4026 */ 4027 $comment_batch_size = (int) apply_filters( 'wp_update_comment_type_batch_size', 100 ); 4028 4029 // Get the IDs of the comments to update. 4030 $comment_ids = $wpdb->get_col( 4031 $wpdb->prepare( 4032 "SELECT comment_ID 4033 FROM {$wpdb->comments} 4034 WHERE comment_type = '' 4035 ORDER BY comment_ID DESC 4036 LIMIT %d", 4037 $comment_batch_size 4038 ) 4039 ); 4040 4041 if ( $comment_ids ) { 4042 $comment_id_list = implode( ',', $comment_ids ); 4043 4044 // Update the `comment_type` field value to be `comment` for the next batch of comments. 4045 $wpdb->query( 4046 "UPDATE {$wpdb->comments} 4047 SET comment_type = 'comment' 4048 WHERE comment_type = '' 4049 AND comment_ID IN ({$comment_id_list})" // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared 4050 ); 4051 4052 // Make sure to clean the comment cache. 4053 clean_comment_cache( $comment_ids ); 4054 } 4055 4056 delete_option( $lock_name ); 4057 } 4058 4059 /** 4060 * In order to avoid the _wp_batch_update_comment_type() job being accidentally removed, 4061 * check that it's still scheduled while we haven't finished updating comment types. 4062 * 4063 * @ignore 4064 * @since 5.5.0 4065 */ 4066 function _wp_check_for_scheduled_update_comment_type() { 4067 if ( ! get_option( 'finished_updating_comment_type' ) && ! wp_next_scheduled( 'wp_update_comment_type_batch' ) ) { 4068 wp_schedule_single_event( time() + MINUTE_IN_SECONDS, 'wp_update_comment_type_batch' ); 4069 } 4070 }
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| Generated : Thu Jan 30 08:20:01 2025 | Cross-referenced by PHPXref |