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PHP Cross Reference of WordPress Trunk (Updated Daily) |
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1 <?php 2 /** 3 * WordPress Post Administration API. 4 * 5 * @package WordPress 6 * @subpackage Administration 7 */ 8 9 /** 10 * Rename $_POST data from form names to DB post columns. 11 * 12 * Manipulates $_POST directly. 13 * 14 * @since 2.6.0 15 * 16 * @param bool $update Are we updating a pre-existing post? 17 * @param array $post_data Array of post data. Defaults to the contents of $_POST. 18 * @return array|WP_Error Array of post data on success, WP_Error on failure. 19 */ 20 function _wp_translate_postdata( $update = false, $post_data = null ) { 21 22 if ( empty( $post_data ) ) { 23 $post_data = &$_POST; 24 } 25 26 if ( $update ) { 27 $post_data['ID'] = (int) $post_data['post_ID']; 28 } 29 30 $ptype = get_post_type_object( $post_data['post_type'] ); 31 32 if ( $update && ! current_user_can( 'edit_post', $post_data['ID'] ) ) { 33 if ( 'page' === $post_data['post_type'] ) { 34 return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to edit pages as this user.' ) ); 35 } else { 36 return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to edit posts as this user.' ) ); 37 } 38 } elseif ( ! $update && ! current_user_can( $ptype->cap->create_posts ) ) { 39 if ( 'page' === $post_data['post_type'] ) { 40 return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to create pages as this user.' ) ); 41 } else { 42 return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to create posts as this user.' ) ); 43 } 44 } 45 46 if ( isset( $post_data['content'] ) ) { 47 $post_data['post_content'] = $post_data['content']; 48 } 49 50 if ( isset( $post_data['excerpt'] ) ) { 51 $post_data['post_excerpt'] = $post_data['excerpt']; 52 } 53 54 if ( isset( $post_data['parent_id'] ) ) { 55 $post_data['post_parent'] = (int) $post_data['parent_id']; 56 } 57 58 if ( isset( $post_data['trackback_url'] ) ) { 59 $post_data['to_ping'] = $post_data['trackback_url']; 60 } 61 62 $post_data['user_ID'] = get_current_user_id(); 63 64 if ( ! empty( $post_data['post_author_override'] ) ) { 65 $post_data['post_author'] = (int) $post_data['post_author_override']; 66 } else { 67 if ( ! empty( $post_data['post_author'] ) ) { 68 $post_data['post_author'] = (int) $post_data['post_author']; 69 } else { 70 $post_data['post_author'] = (int) $post_data['user_ID']; 71 } 72 } 73 74 if ( isset( $post_data['user_ID'] ) && ( $post_data['post_author'] != $post_data['user_ID'] ) 75 && ! current_user_can( $ptype->cap->edit_others_posts ) ) { 76 77 if ( $update ) { 78 if ( 'page' === $post_data['post_type'] ) { 79 return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to edit pages as this user.' ) ); 80 } else { 81 return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to edit posts as this user.' ) ); 82 } 83 } else { 84 if ( 'page' === $post_data['post_type'] ) { 85 return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to create pages as this user.' ) ); 86 } else { 87 return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to create posts as this user.' ) ); 88 } 89 } 90 } 91 92 if ( ! empty( $post_data['post_status'] ) ) { 93 $post_data['post_status'] = sanitize_key( $post_data['post_status'] ); 94 95 // No longer an auto-draft. 96 if ( 'auto-draft' === $post_data['post_status'] ) { 97 $post_data['post_status'] = 'draft'; 98 } 99 100 if ( ! get_post_status_object( $post_data['post_status'] ) ) { 101 unset( $post_data['post_status'] ); 102 } 103 } 104 105 // What to do based on which button they pressed. 106 if ( isset( $post_data['saveasdraft'] ) && '' !== $post_data['saveasdraft'] ) { 107 $post_data['post_status'] = 'draft'; 108 } 109 if ( isset( $post_data['saveasprivate'] ) && '' !== $post_data['saveasprivate'] ) { 110 $post_data['post_status'] = 'private'; 111 } 112 if ( isset( $post_data['publish'] ) && ( '' !== $post_data['publish'] ) 113 && ( ! isset( $post_data['post_status'] ) || 'private' !== $post_data['post_status'] ) 114 ) { 115 $post_data['post_status'] = 'publish'; 116 } 117 if ( isset( $post_data['advanced'] ) && '' !== $post_data['advanced'] ) { 118 $post_data['post_status'] = 'draft'; 119 } 120 if ( isset( $post_data['pending'] ) && '' !== $post_data['pending'] ) { 121 $post_data['post_status'] = 'pending'; 122 } 123 124 if ( isset( $post_data['ID'] ) ) { 125 $post_id = $post_data['ID']; 126 } else { 127 $post_id = false; 128 } 129 $previous_status = $post_id ? get_post_field( 'post_status', $post_id ) : false; 130 131 if ( isset( $post_data['post_status'] ) && 'private' === $post_data['post_status'] && ! current_user_can( $ptype->cap->publish_posts ) ) { 132 $post_data['post_status'] = $previous_status ? $previous_status : 'pending'; 133 } 134 135 $published_statuses = array( 'publish', 'future' ); 136 137 // Posts 'submitted for approval' are submitted to $_POST the same as if they were being published. 138 // Change status from 'publish' to 'pending' if user lacks permissions to publish or to resave published posts. 139 if ( isset( $post_data['post_status'] ) 140 && ( in_array( $post_data['post_status'], $published_statuses, true ) 141 && ! current_user_can( $ptype->cap->publish_posts ) ) 142 ) { 143 if ( ! in_array( $previous_status, $published_statuses, true ) || ! current_user_can( 'edit_post', $post_id ) ) { 144 $post_data['post_status'] = 'pending'; 145 } 146 } 147 148 if ( ! isset( $post_data['post_status'] ) ) { 149 $post_data['post_status'] = 'auto-draft' === $previous_status ? 'draft' : $previous_status; 150 } 151 152 if ( isset( $post_data['post_password'] ) && ! current_user_can( $ptype->cap->publish_posts ) ) { 153 unset( $post_data['post_password'] ); 154 } 155 156 if ( ! isset( $post_data['comment_status'] ) ) { 157 $post_data['comment_status'] = 'closed'; 158 } 159 160 if ( ! isset( $post_data['ping_status'] ) ) { 161 $post_data['ping_status'] = 'closed'; 162 } 163 164 foreach ( array( 'aa', 'mm', 'jj', 'hh', 'mn' ) as $timeunit ) { 165 if ( ! empty( $post_data[ 'hidden_' . $timeunit ] ) && $post_data[ 'hidden_' . $timeunit ] != $post_data[ $timeunit ] ) { 166 $post_data['edit_date'] = '1'; 167 break; 168 } 169 } 170 171 if ( ! empty( $post_data['edit_date'] ) ) { 172 $aa = $post_data['aa']; 173 $mm = $post_data['mm']; 174 $jj = $post_data['jj']; 175 $hh = $post_data['hh']; 176 $mn = $post_data['mn']; 177 $ss = $post_data['ss']; 178 $aa = ( $aa <= 0 ) ? gmdate( 'Y' ) : $aa; 179 $mm = ( $mm <= 0 ) ? gmdate( 'n' ) : $mm; 180 $jj = ( $jj > 31 ) ? 31 : $jj; 181 $jj = ( $jj <= 0 ) ? gmdate( 'j' ) : $jj; 182 $hh = ( $hh > 23 ) ? $hh - 24 : $hh; 183 $mn = ( $mn > 59 ) ? $mn - 60 : $mn; 184 $ss = ( $ss > 59 ) ? $ss - 60 : $ss; 185 186 $post_data['post_date'] = sprintf( '%04d-%02d-%02d %02d:%02d:%02d', $aa, $mm, $jj, $hh, $mn, $ss ); 187 188 $valid_date = wp_checkdate( $mm, $jj, $aa, $post_data['post_date'] ); 189 if ( ! $valid_date ) { 190 return new WP_Error( 'invalid_date', __( 'Invalid date.' ) ); 191 } 192 193 $post_data['post_date_gmt'] = get_gmt_from_date( $post_data['post_date'] ); 194 } 195 196 if ( isset( $post_data['post_category'] ) ) { 197 $category_object = get_taxonomy( 'category' ); 198 if ( ! current_user_can( $category_object->cap->assign_terms ) ) { 199 unset( $post_data['post_category'] ); 200 } 201 } 202 203 return $post_data; 204 } 205 206 /** 207 * Returns only allowed post data fields 208 * 209 * @since 5.0.1 210 * 211 * @param array $post_data Array of post data. Defaults to the contents of $_POST. 212 * @return array|WP_Error Array of post data on success, WP_Error on failure. 213 */ 214 function _wp_get_allowed_postdata( $post_data = null ) { 215 if ( empty( $post_data ) ) { 216 $post_data = $_POST; 217 } 218 219 // Pass through errors. 220 if ( is_wp_error( $post_data ) ) { 221 return $post_data; 222 } 223 224 return array_diff_key( $post_data, array_flip( array( 'meta_input', 'file', 'guid' ) ) ); 225 } 226 227 /** 228 * Update an existing post with values provided in $_POST. 229 * 230 * If post data is passed as an argument, it is treated as an array of data 231 * keyed appropriately for turning into a post object. 232 * 233 * If post data is not passed, the $_POST global variable is used instead. 234 * 235 * @since 1.5.0 236 * 237 * @global wpdb $wpdb WordPress database abstraction object. 238 * 239 * @param array $post_data Optional. Defaults to the $_POST global. 240 * @return int Post ID. 241 */ 242 function edit_post( $post_data = null ) { 243 global $wpdb; 244 245 if ( empty( $post_data ) ) { 246 $post_data = &$_POST; 247 } 248 249 // Clear out any data in internal vars. 250 unset( $post_data['filter'] ); 251 252 $post_ID = (int) $post_data['post_ID']; 253 $post = get_post( $post_ID ); 254 255 $post_data['post_type'] = $post->post_type; 256 $post_data['post_mime_type'] = $post->post_mime_type; 257 258 if ( ! empty( $post_data['post_status'] ) ) { 259 $post_data['post_status'] = sanitize_key( $post_data['post_status'] ); 260 261 if ( 'inherit' === $post_data['post_status'] ) { 262 unset( $post_data['post_status'] ); 263 } 264 } 265 266 $ptype = get_post_type_object( $post_data['post_type'] ); 267 if ( ! current_user_can( 'edit_post', $post_ID ) ) { 268 if ( 'page' === $post_data['post_type'] ) { 269 wp_die( __( 'Sorry, you are not allowed to edit this page.' ) ); 270 } else { 271 wp_die( __( 'Sorry, you are not allowed to edit this post.' ) ); 272 } 273 } 274 275 if ( post_type_supports( $ptype->name, 'revisions' ) ) { 276 $revisions = wp_get_post_revisions( 277 $post_ID, 278 array( 279 'order' => 'ASC', 280 'posts_per_page' => 1, 281 ) 282 ); 283 $revision = current( $revisions ); 284 285 // Check if the revisions have been upgraded. 286 if ( $revisions && _wp_get_post_revision_version( $revision ) < 1 ) { 287 _wp_upgrade_revisions_of_post( $post, wp_get_post_revisions( $post_ID ) ); 288 } 289 } 290 291 if ( isset( $post_data['visibility'] ) ) { 292 switch ( $post_data['visibility'] ) { 293 case 'public': 294 $post_data['post_password'] = ''; 295 break; 296 case 'password': 297 unset( $post_data['sticky'] ); 298 break; 299 case 'private': 300 $post_data['post_status'] = 'private'; 301 $post_data['post_password'] = ''; 302 unset( $post_data['sticky'] ); 303 break; 304 } 305 } 306 307 $post_data = _wp_translate_postdata( true, $post_data ); 308 if ( is_wp_error( $post_data ) ) { 309 wp_die( $post_data->get_error_message() ); 310 } 311 $translated = _wp_get_allowed_postdata( $post_data ); 312 313 // Post formats. 314 if ( isset( $post_data['post_format'] ) ) { 315 set_post_format( $post_ID, $post_data['post_format'] ); 316 } 317 318 $format_meta_urls = array( 'url', 'link_url', 'quote_source_url' ); 319 foreach ( $format_meta_urls as $format_meta_url ) { 320 $keyed = '_format_' . $format_meta_url; 321 if ( isset( $post_data[ $keyed ] ) ) { 322 update_post_meta( $post_ID, $keyed, wp_slash( esc_url_raw( wp_unslash( $post_data[ $keyed ] ) ) ) ); 323 } 324 } 325 326 $format_keys = array( 'quote', 'quote_source_name', 'image', 'gallery', 'audio_embed', 'video_embed' ); 327 328 foreach ( $format_keys as $key ) { 329 $keyed = '_format_' . $key; 330 if ( isset( $post_data[ $keyed ] ) ) { 331 if ( current_user_can( 'unfiltered_html' ) ) { 332 update_post_meta( $post_ID, $keyed, $post_data[ $keyed ] ); 333 } else { 334 update_post_meta( $post_ID, $keyed, wp_filter_post_kses( $post_data[ $keyed ] ) ); 335 } 336 } 337 } 338 339 if ( 'attachment' === $post_data['post_type'] && preg_match( '#^(audio|video)/#', $post_data['post_mime_type'] ) ) { 340 $id3data = wp_get_attachment_metadata( $post_ID ); 341 if ( ! is_array( $id3data ) ) { 342 $id3data = array(); 343 } 344 345 foreach ( wp_get_attachment_id3_keys( $post, 'edit' ) as $key => $label ) { 346 if ( isset( $post_data[ 'id3_' . $key ] ) ) { 347 $id3data[ $key ] = sanitize_text_field( wp_unslash( $post_data[ 'id3_' . $key ] ) ); 348 } 349 } 350 wp_update_attachment_metadata( $post_ID, $id3data ); 351 } 352 353 // Meta stuff. 354 if ( isset( $post_data['meta'] ) && $post_data['meta'] ) { 355 foreach ( $post_data['meta'] as $key => $value ) { 356 $meta = get_post_meta_by_id( $key ); 357 if ( ! $meta ) { 358 continue; 359 } 360 if ( $meta->post_id != $post_ID ) { 361 continue; 362 } 363 if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $meta->meta_key ) ) { 364 continue; 365 } 366 if ( is_protected_meta( $value['key'], 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $value['key'] ) ) { 367 continue; 368 } 369 update_meta( $key, $value['key'], $value['value'] ); 370 } 371 } 372 373 if ( isset( $post_data['deletemeta'] ) && $post_data['deletemeta'] ) { 374 foreach ( $post_data['deletemeta'] as $key => $value ) { 375 $meta = get_post_meta_by_id( $key ); 376 if ( ! $meta ) { 377 continue; 378 } 379 if ( $meta->post_id != $post_ID ) { 380 continue; 381 } 382 if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $post_ID, $meta->meta_key ) ) { 383 continue; 384 } 385 delete_meta( $key ); 386 } 387 } 388 389 // Attachment stuff. 390 if ( 'attachment' === $post_data['post_type'] ) { 391 if ( isset( $post_data['_wp_attachment_image_alt'] ) ) { 392 $image_alt = wp_unslash( $post_data['_wp_attachment_image_alt'] ); 393 394 if ( get_post_meta( $post_ID, '_wp_attachment_image_alt', true ) !== $image_alt ) { 395 $image_alt = wp_strip_all_tags( $image_alt, true ); 396 397 // update_post_meta() expects slashed. 398 update_post_meta( $post_ID, '_wp_attachment_image_alt', wp_slash( $image_alt ) ); 399 } 400 } 401 402 $attachment_data = isset( $post_data['attachments'][ $post_ID ] ) ? $post_data['attachments'][ $post_ID ] : array(); 403 404 /** This filter is documented in wp-admin/includes/media.php */ 405 $translated = apply_filters( 'attachment_fields_to_save', $translated, $attachment_data ); 406 } 407 408 // Convert taxonomy input to term IDs, to avoid ambiguity. 409 if ( isset( $post_data['tax_input'] ) ) { 410 foreach ( (array) $post_data['tax_input'] as $taxonomy => $terms ) { 411 $tax_object = get_taxonomy( $taxonomy ); 412 413 if ( $tax_object && isset( $tax_object->meta_box_sanitize_cb ) ) { 414 $translated['tax_input'][ $taxonomy ] = call_user_func_array( $tax_object->meta_box_sanitize_cb, array( $taxonomy, $terms ) ); 415 } 416 } 417 } 418 419 add_meta( $post_ID ); 420 421 update_post_meta( $post_ID, '_edit_last', get_current_user_id() ); 422 423 $success = wp_update_post( $translated ); 424 425 // If the save failed, see if we can sanity check the main fields and try again. 426 if ( ! $success && is_callable( array( $wpdb, 'strip_invalid_text_for_column' ) ) ) { 427 $fields = array( 'post_title', 'post_content', 'post_excerpt' ); 428 429 foreach ( $fields as $field ) { 430 if ( isset( $translated[ $field ] ) ) { 431 $translated[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->posts, $field, $translated[ $field ] ); 432 } 433 } 434 435 wp_update_post( $translated ); 436 } 437 438 // Now that we have an ID we can fix any attachment anchor hrefs. 439 _fix_attachment_links( $post_ID ); 440 441 wp_set_post_lock( $post_ID ); 442 443 if ( current_user_can( $ptype->cap->edit_others_posts ) && current_user_can( $ptype->cap->publish_posts ) ) { 444 if ( ! empty( $post_data['sticky'] ) ) { 445 stick_post( $post_ID ); 446 } else { 447 unstick_post( $post_ID ); 448 } 449 } 450 451 return $post_ID; 452 } 453 454 /** 455 * Process the post data for the bulk editing of posts. 456 * 457 * Updates all bulk edited posts/pages, adding (but not removing) tags and 458 * categories. Skips pages when they would be their own parent or child. 459 * 460 * @since 2.7.0 461 * 462 * @global wpdb $wpdb WordPress database abstraction object. 463 * 464 * @param array $post_data Optional, the array of post data to process if not provided will use $_POST superglobal. 465 * @return array 466 */ 467 function bulk_edit_posts( $post_data = null ) { 468 global $wpdb; 469 470 if ( empty( $post_data ) ) { 471 $post_data = &$_POST; 472 } 473 474 if ( isset( $post_data['post_type'] ) ) { 475 $ptype = get_post_type_object( $post_data['post_type'] ); 476 } else { 477 $ptype = get_post_type_object( 'post' ); 478 } 479 480 if ( ! current_user_can( $ptype->cap->edit_posts ) ) { 481 if ( 'page' === $ptype->name ) { 482 wp_die( __( 'Sorry, you are not allowed to edit pages.' ) ); 483 } else { 484 wp_die( __( 'Sorry, you are not allowed to edit posts.' ) ); 485 } 486 } 487 488 if ( -1 == $post_data['_status'] ) { 489 $post_data['post_status'] = null; 490 unset( $post_data['post_status'] ); 491 } else { 492 $post_data['post_status'] = $post_data['_status']; 493 } 494 unset( $post_data['_status'] ); 495 496 if ( ! empty( $post_data['post_status'] ) ) { 497 $post_data['post_status'] = sanitize_key( $post_data['post_status'] ); 498 499 if ( 'inherit' === $post_data['post_status'] ) { 500 unset( $post_data['post_status'] ); 501 } 502 } 503 504 $post_IDs = array_map( 'intval', (array) $post_data['post'] ); 505 506 $reset = array( 507 'post_author', 508 'post_status', 509 'post_password', 510 'post_parent', 511 'page_template', 512 'comment_status', 513 'ping_status', 514 'keep_private', 515 'tax_input', 516 'post_category', 517 'sticky', 518 'post_format', 519 ); 520 521 foreach ( $reset as $field ) { 522 if ( isset( $post_data[ $field ] ) && ( '' === $post_data[ $field ] || -1 == $post_data[ $field ] ) ) { 523 unset( $post_data[ $field ] ); 524 } 525 } 526 527 if ( isset( $post_data['post_category'] ) ) { 528 if ( is_array( $post_data['post_category'] ) && ! empty( $post_data['post_category'] ) ) { 529 $new_cats = array_map( 'absint', $post_data['post_category'] ); 530 } else { 531 unset( $post_data['post_category'] ); 532 } 533 } 534 535 $tax_input = array(); 536 if ( isset( $post_data['tax_input'] ) ) { 537 foreach ( $post_data['tax_input'] as $tax_name => $terms ) { 538 if ( empty( $terms ) ) { 539 continue; 540 } 541 if ( is_taxonomy_hierarchical( $tax_name ) ) { 542 $tax_input[ $tax_name ] = array_map( 'absint', $terms ); 543 } else { 544 $comma = _x( ',', 'tag delimiter' ); 545 if ( ',' !== $comma ) { 546 $terms = str_replace( $comma, ',', $terms ); 547 } 548 $tax_input[ $tax_name ] = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) ); 549 } 550 } 551 } 552 553 if ( isset( $post_data['post_parent'] ) && (int) $post_data['post_parent'] ) { 554 $parent = (int) $post_data['post_parent']; 555 $pages = $wpdb->get_results( "SELECT ID, post_parent FROM $wpdb->posts WHERE post_type = 'page'" ); 556 $children = array(); 557 558 for ( $i = 0; $i < 50 && $parent > 0; $i++ ) { 559 $children[] = $parent; 560 561 foreach ( $pages as $page ) { 562 if ( (int) $page->ID === $parent ) { 563 $parent = (int) $page->post_parent; 564 break; 565 } 566 } 567 } 568 } 569 570 $updated = array(); 571 $skipped = array(); 572 $locked = array(); 573 $shared_post_data = $post_data; 574 575 foreach ( $post_IDs as $post_ID ) { 576 // Start with fresh post data with each iteration. 577 $post_data = $shared_post_data; 578 579 $post_type_object = get_post_type_object( get_post_type( $post_ID ) ); 580 581 if ( ! isset( $post_type_object ) 582 || ( isset( $children ) && in_array( $post_ID, $children, true ) ) 583 || ! current_user_can( 'edit_post', $post_ID ) 584 ) { 585 $skipped[] = $post_ID; 586 continue; 587 } 588 589 if ( wp_check_post_lock( $post_ID ) ) { 590 $locked[] = $post_ID; 591 continue; 592 } 593 594 $post = get_post( $post_ID ); 595 $tax_names = get_object_taxonomies( $post ); 596 foreach ( $tax_names as $tax_name ) { 597 $taxonomy_obj = get_taxonomy( $tax_name ); 598 if ( isset( $tax_input[ $tax_name ] ) && current_user_can( $taxonomy_obj->cap->assign_terms ) ) { 599 $new_terms = $tax_input[ $tax_name ]; 600 } else { 601 $new_terms = array(); 602 } 603 604 if ( $taxonomy_obj->hierarchical ) { 605 $current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array( 'fields' => 'ids' ) ); 606 } else { 607 $current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array( 'fields' => 'names' ) ); 608 } 609 610 $post_data['tax_input'][ $tax_name ] = array_merge( $current_terms, $new_terms ); 611 } 612 613 if ( isset( $new_cats ) && in_array( 'category', $tax_names, true ) ) { 614 $cats = (array) wp_get_post_categories( $post_ID ); 615 $post_data['post_category'] = array_unique( array_merge( $cats, $new_cats ) ); 616 unset( $post_data['tax_input']['category'] ); 617 } 618 619 $post_data['post_ID'] = $post_ID; 620 $post_data['post_type'] = $post->post_type; 621 $post_data['post_mime_type'] = $post->post_mime_type; 622 623 foreach ( array( 'comment_status', 'ping_status', 'post_author' ) as $field ) { 624 if ( ! isset( $post_data[ $field ] ) ) { 625 $post_data[ $field ] = $post->$field; 626 } 627 } 628 629 $post_data = _wp_translate_postdata( true, $post_data ); 630 if ( is_wp_error( $post_data ) ) { 631 $skipped[] = $post_ID; 632 continue; 633 } 634 $post_data = _wp_get_allowed_postdata( $post_data ); 635 636 if ( isset( $shared_post_data['post_format'] ) ) { 637 set_post_format( $post_ID, $shared_post_data['post_format'] ); 638 } 639 640 // Prevent wp_insert_post() from overwriting post format with the old data. 641 unset( $post_data['tax_input']['post_format'] ); 642 643 $updated[] = wp_update_post( $post_data ); 644 645 if ( isset( $post_data['sticky'] ) && current_user_can( $ptype->cap->edit_others_posts ) ) { 646 if ( 'sticky' === $post_data['sticky'] ) { 647 stick_post( $post_ID ); 648 } else { 649 unstick_post( $post_ID ); 650 } 651 } 652 } 653 654 return array( 655 'updated' => $updated, 656 'skipped' => $skipped, 657 'locked' => $locked, 658 ); 659 } 660 661 /** 662 * Default post information to use when populating the "Write Post" form. 663 * 664 * @since 2.0.0 665 * 666 * @param string $post_type Optional. A post type string. Default 'post'. 667 * @param bool $create_in_db Optional. Whether to insert the post into database. Default false. 668 * @return WP_Post Post object containing all the default post data as attributes 669 */ 670 function get_default_post_to_edit( $post_type = 'post', $create_in_db = false ) { 671 $post_title = ''; 672 if ( ! empty( $_REQUEST['post_title'] ) ) { 673 $post_title = esc_html( wp_unslash( $_REQUEST['post_title'] ) ); 674 } 675 676 $post_content = ''; 677 if ( ! empty( $_REQUEST['content'] ) ) { 678 $post_content = esc_html( wp_unslash( $_REQUEST['content'] ) ); 679 } 680 681 $post_excerpt = ''; 682 if ( ! empty( $_REQUEST['excerpt'] ) ) { 683 $post_excerpt = esc_html( wp_unslash( $_REQUEST['excerpt'] ) ); 684 } 685 686 if ( $create_in_db ) { 687 $post_id = wp_insert_post( 688 array( 689 'post_title' => __( 'Auto Draft' ), 690 'post_type' => $post_type, 691 'post_status' => 'auto-draft', 692 ), 693 false, 694 false 695 ); 696 $post = get_post( $post_id ); 697 if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) && get_option( 'default_post_format' ) ) { 698 set_post_format( $post, get_option( 'default_post_format' ) ); 699 } 700 wp_after_insert_post( $post, false, null ); 701 702 // Schedule auto-draft cleanup. 703 if ( ! wp_next_scheduled( 'wp_scheduled_auto_draft_delete' ) ) { 704 wp_schedule_event( time(), 'daily', 'wp_scheduled_auto_draft_delete' ); 705 } 706 } else { 707 $post = new stdClass; 708 $post->ID = 0; 709 $post->post_author = ''; 710 $post->post_date = ''; 711 $post->post_date_gmt = ''; 712 $post->post_password = ''; 713 $post->post_name = ''; 714 $post->post_type = $post_type; 715 $post->post_status = 'draft'; 716 $post->to_ping = ''; 717 $post->pinged = ''; 718 $post->comment_status = get_default_comment_status( $post_type ); 719 $post->ping_status = get_default_comment_status( $post_type, 'pingback' ); 720 $post->post_pingback = get_option( 'default_pingback_flag' ); 721 $post->post_category = get_option( 'default_category' ); 722 $post->page_template = 'default'; 723 $post->post_parent = 0; 724 $post->menu_order = 0; 725 $post = new WP_Post( $post ); 726 } 727 728 /** 729 * Filters the default post content initially used in the "Write Post" form. 730 * 731 * @since 1.5.0 732 * 733 * @param string $post_content Default post content. 734 * @param WP_Post $post Post object. 735 */ 736 $post->post_content = (string) apply_filters( 'default_content', $post_content, $post ); 737 738 /** 739 * Filters the default post title initially used in the "Write Post" form. 740 * 741 * @since 1.5.0 742 * 743 * @param string $post_title Default post title. 744 * @param WP_Post $post Post object. 745 */ 746 $post->post_title = (string) apply_filters( 'default_title', $post_title, $post ); 747 748 /** 749 * Filters the default post excerpt initially used in the "Write Post" form. 750 * 751 * @since 1.5.0 752 * 753 * @param string $post_excerpt Default post excerpt. 754 * @param WP_Post $post Post object. 755 */ 756 $post->post_excerpt = (string) apply_filters( 'default_excerpt', $post_excerpt, $post ); 757 758 return $post; 759 } 760 761 /** 762 * Determines if a post exists based on title, content, date and type. 763 * 764 * @since 2.0.0 765 * @since 5.2.0 Added the `$type` parameter. 766 * 767 * @global wpdb $wpdb WordPress database abstraction object. 768 * 769 * @param string $title Post title. 770 * @param string $content Optional post content. 771 * @param string $date Optional post date. 772 * @param string $type Optional post type. 773 * @return int Post ID if post exists, 0 otherwise. 774 */ 775 function post_exists( $title, $content = '', $date = '', $type = '' ) { 776 global $wpdb; 777 778 $post_title = wp_unslash( sanitize_post_field( 'post_title', $title, 0, 'db' ) ); 779 $post_content = wp_unslash( sanitize_post_field( 'post_content', $content, 0, 'db' ) ); 780 $post_date = wp_unslash( sanitize_post_field( 'post_date', $date, 0, 'db' ) ); 781 $post_type = wp_unslash( sanitize_post_field( 'post_type', $type, 0, 'db' ) ); 782 783 $query = "SELECT ID FROM $wpdb->posts WHERE 1=1"; 784 $args = array(); 785 786 if ( ! empty( $date ) ) { 787 $query .= ' AND post_date = %s'; 788 $args[] = $post_date; 789 } 790 791 if ( ! empty( $title ) ) { 792 $query .= ' AND post_title = %s'; 793 $args[] = $post_title; 794 } 795 796 if ( ! empty( $content ) ) { 797 $query .= ' AND post_content = %s'; 798 $args[] = $post_content; 799 } 800 801 if ( ! empty( $type ) ) { 802 $query .= ' AND post_type = %s'; 803 $args[] = $post_type; 804 } 805 806 if ( ! empty( $args ) ) { 807 return (int) $wpdb->get_var( $wpdb->prepare( $query, $args ) ); 808 } 809 810 return 0; 811 } 812 813 /** 814 * Creates a new post from the "Write Post" form using $_POST information. 815 * 816 * @since 2.1.0 817 * 818 * @global WP_User $current_user 819 * 820 * @return int|WP_Error Post ID on success, WP_Error on failure. 821 */ 822 function wp_write_post() { 823 if ( isset( $_POST['post_type'] ) ) { 824 $ptype = get_post_type_object( $_POST['post_type'] ); 825 } else { 826 $ptype = get_post_type_object( 'post' ); 827 } 828 829 if ( ! current_user_can( $ptype->cap->edit_posts ) ) { 830 if ( 'page' === $ptype->name ) { 831 return new WP_Error( 'edit_pages', __( 'Sorry, you are not allowed to create pages on this site.' ) ); 832 } else { 833 return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to create posts or drafts on this site.' ) ); 834 } 835 } 836 837 $_POST['post_mime_type'] = ''; 838 839 // Clear out any data in internal vars. 840 unset( $_POST['filter'] ); 841 842 // Edit, don't write, if we have a post ID. 843 if ( isset( $_POST['post_ID'] ) ) { 844 return edit_post(); 845 } 846 847 if ( isset( $_POST['visibility'] ) ) { 848 switch ( $_POST['visibility'] ) { 849 case 'public': 850 $_POST['post_password'] = ''; 851 break; 852 case 'password': 853 unset( $_POST['sticky'] ); 854 break; 855 case 'private': 856 $_POST['post_status'] = 'private'; 857 $_POST['post_password'] = ''; 858 unset( $_POST['sticky'] ); 859 break; 860 } 861 } 862 863 $translated = _wp_translate_postdata( false ); 864 if ( is_wp_error( $translated ) ) { 865 return $translated; 866 } 867 $translated = _wp_get_allowed_postdata( $translated ); 868 869 // Create the post. 870 $post_ID = wp_insert_post( $translated ); 871 if ( is_wp_error( $post_ID ) ) { 872 return $post_ID; 873 } 874 875 if ( empty( $post_ID ) ) { 876 return 0; 877 } 878 879 add_meta( $post_ID ); 880 881 add_post_meta( $post_ID, '_edit_last', $GLOBALS['current_user']->ID ); 882 883 // Now that we have an ID we can fix any attachment anchor hrefs. 884 _fix_attachment_links( $post_ID ); 885 886 wp_set_post_lock( $post_ID ); 887 888 return $post_ID; 889 } 890 891 /** 892 * Calls wp_write_post() and handles the errors. 893 * 894 * @since 2.0.0 895 * 896 * @return int|void Post ID on success, void on failure. 897 */ 898 function write_post() { 899 $result = wp_write_post(); 900 if ( is_wp_error( $result ) ) { 901 wp_die( $result->get_error_message() ); 902 } else { 903 return $result; 904 } 905 } 906 907 // 908 // Post Meta. 909 // 910 911 /** 912 * Add post meta data defined in $_POST superglobal for post with given ID. 913 * 914 * @since 1.2.0 915 * 916 * @param int $post_ID 917 * @return int|bool 918 */ 919 function add_meta( $post_ID ) { 920 $post_ID = (int) $post_ID; 921 922 $metakeyselect = isset( $_POST['metakeyselect'] ) ? wp_unslash( trim( $_POST['metakeyselect'] ) ) : ''; 923 $metakeyinput = isset( $_POST['metakeyinput'] ) ? wp_unslash( trim( $_POST['metakeyinput'] ) ) : ''; 924 $metavalue = isset( $_POST['metavalue'] ) ? $_POST['metavalue'] : ''; 925 if ( is_string( $metavalue ) ) { 926 $metavalue = trim( $metavalue ); 927 } 928 929 if ( ( ( '#NONE#' !== $metakeyselect ) && ! empty( $metakeyselect ) ) || ! empty( $metakeyinput ) ) { 930 /* 931 * We have a key/value pair. If both the select and the input 932 * for the key have data, the input takes precedence. 933 */ 934 if ( '#NONE#' !== $metakeyselect ) { 935 $metakey = $metakeyselect; 936 } 937 938 if ( $metakeyinput ) { 939 $metakey = $metakeyinput; // Default. 940 } 941 942 if ( is_protected_meta( $metakey, 'post' ) || ! current_user_can( 'add_post_meta', $post_ID, $metakey ) ) { 943 return false; 944 } 945 946 $metakey = wp_slash( $metakey ); 947 948 return add_post_meta( $post_ID, $metakey, $metavalue ); 949 } 950 951 return false; 952 } 953 954 /** 955 * Delete post meta data by meta ID. 956 * 957 * @since 1.2.0 958 * 959 * @param int $mid 960 * @return bool 961 */ 962 function delete_meta( $mid ) { 963 return delete_metadata_by_mid( 'post', $mid ); 964 } 965 966 /** 967 * Get a list of previously defined keys. 968 * 969 * @since 1.2.0 970 * 971 * @global wpdb $wpdb WordPress database abstraction object. 972 * 973 * @return mixed 974 */ 975 function get_meta_keys() { 976 global $wpdb; 977 978 $keys = $wpdb->get_col( 979 " 980 SELECT meta_key 981 FROM $wpdb->postmeta 982 GROUP BY meta_key 983 ORDER BY meta_key" 984 ); 985 986 return $keys; 987 } 988 989 /** 990 * Get post meta data by meta ID. 991 * 992 * @since 2.1.0 993 * 994 * @param int $mid 995 * @return object|bool 996 */ 997 function get_post_meta_by_id( $mid ) { 998 return get_metadata_by_mid( 'post', $mid ); 999 } 1000 1001 /** 1002 * Get meta data for the given post ID. 1003 * 1004 * @since 1.2.0 1005 * 1006 * @global wpdb $wpdb WordPress database abstraction object. 1007 * 1008 * @param int $postid 1009 * @return mixed 1010 */ 1011 function has_meta( $postid ) { 1012 global $wpdb; 1013 1014 return $wpdb->get_results( 1015 $wpdb->prepare( 1016 "SELECT meta_key, meta_value, meta_id, post_id 1017 FROM $wpdb->postmeta WHERE post_id = %d 1018 ORDER BY meta_key,meta_id", 1019 $postid 1020 ), 1021 ARRAY_A 1022 ); 1023 } 1024 1025 /** 1026 * Update post meta data by meta ID. 1027 * 1028 * @since 1.2.0 1029 * 1030 * @param int $meta_id 1031 * @param string $meta_key Expect Slashed 1032 * @param string $meta_value Expect Slashed 1033 * @return bool 1034 */ 1035 function update_meta( $meta_id, $meta_key, $meta_value ) { 1036 $meta_key = wp_unslash( $meta_key ); 1037 $meta_value = wp_unslash( $meta_value ); 1038 1039 return update_metadata_by_mid( 'post', $meta_id, $meta_value, $meta_key ); 1040 } 1041 1042 // 1043 // Private. 1044 // 1045 1046 /** 1047 * Replace hrefs of attachment anchors with up-to-date permalinks. 1048 * 1049 * @since 2.3.0 1050 * @access private 1051 * 1052 * @param int|object $post Post ID or post object. 1053 * @return void|int|WP_Error Void if nothing fixed. 0 or WP_Error on update failure. The post ID on update success. 1054 */ 1055 function _fix_attachment_links( $post ) { 1056 $post = get_post( $post, ARRAY_A ); 1057 $content = $post['post_content']; 1058 1059 // Don't run if no pretty permalinks or post is not published, scheduled, or privately published. 1060 if ( ! get_option( 'permalink_structure' ) || ! in_array( $post['post_status'], array( 'publish', 'future', 'private' ), true ) ) { 1061 return; 1062 } 1063 1064 // Short if there aren't any links or no '?attachment_id=' strings (strpos cannot be zero). 1065 if ( ! strpos( $content, '?attachment_id=' ) || ! preg_match_all( '/<a ([^>]+)>[\s\S]+?<\/a>/', $content, $link_matches ) ) { 1066 return; 1067 } 1068 1069 $site_url = get_bloginfo( 'url' ); 1070 $site_url = substr( $site_url, (int) strpos( $site_url, '://' ) ); // Remove the http(s). 1071 $replace = ''; 1072 1073 foreach ( $link_matches[1] as $key => $value ) { 1074 if ( ! strpos( $value, '?attachment_id=' ) || ! strpos( $value, 'wp-att-' ) 1075 || ! preg_match( '/href=(["\'])[^"\']*\?attachment_id=(\d+)[^"\']*\\1/', $value, $url_match ) 1076 || ! preg_match( '/rel=["\'][^"\']*wp-att-(\d+)/', $value, $rel_match ) ) { 1077 continue; 1078 } 1079 1080 $quote = $url_match[1]; // The quote (single or double). 1081 $url_id = (int) $url_match[2]; 1082 $rel_id = (int) $rel_match[1]; 1083 1084 if ( ! $url_id || ! $rel_id || $url_id != $rel_id || strpos( $url_match[0], $site_url ) === false ) { 1085 continue; 1086 } 1087 1088 $link = $link_matches[0][ $key ]; 1089 $replace = str_replace( $url_match[0], 'href=' . $quote . get_attachment_link( $url_id ) . $quote, $link ); 1090 1091 $content = str_replace( $link, $replace, $content ); 1092 } 1093 1094 if ( $replace ) { 1095 $post['post_content'] = $content; 1096 // Escape data pulled from DB. 1097 $post = add_magic_quotes( $post ); 1098 1099 return wp_update_post( $post ); 1100 } 1101 } 1102 1103 /** 1104 * Get all the possible statuses for a post_type 1105 * 1106 * @since 2.5.0 1107 * 1108 * @param string $type The post_type you want the statuses for. Default 'post'. 1109 * @return string[] An array of all the statuses for the supplied post type. 1110 */ 1111 function get_available_post_statuses( $type = 'post' ) { 1112 $stati = wp_count_posts( $type ); 1113 1114 return array_keys( get_object_vars( $stati ) ); 1115 } 1116 1117 /** 1118 * Run the wp query to fetch the posts for listing on the edit posts page 1119 * 1120 * @since 2.5.0 1121 * 1122 * @param array|false $q Array of query variables to use to build the query or false to use $_GET superglobal. 1123 * @return array 1124 */ 1125 function wp_edit_posts_query( $q = false ) { 1126 if ( false === $q ) { 1127 $q = $_GET; 1128 } 1129 $q['m'] = isset( $q['m'] ) ? (int) $q['m'] : 0; 1130 $q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0; 1131 $post_stati = get_post_stati(); 1132 1133 if ( isset( $q['post_type'] ) && in_array( $q['post_type'], get_post_types(), true ) ) { 1134 $post_type = $q['post_type']; 1135 } else { 1136 $post_type = 'post'; 1137 } 1138 1139 $avail_post_stati = get_available_post_statuses( $post_type ); 1140 $post_status = ''; 1141 $perm = ''; 1142 1143 if ( isset( $q['post_status'] ) && in_array( $q['post_status'], $post_stati, true ) ) { 1144 $post_status = $q['post_status']; 1145 $perm = 'readable'; 1146 } 1147 1148 $orderby = ''; 1149 1150 if ( isset( $q['orderby'] ) ) { 1151 $orderby = $q['orderby']; 1152 } elseif ( isset( $q['post_status'] ) && in_array( $q['post_status'], array( 'pending', 'draft' ), true ) ) { 1153 $orderby = 'modified'; 1154 } 1155 1156 $order = ''; 1157 1158 if ( isset( $q['order'] ) ) { 1159 $order = $q['order']; 1160 } elseif ( isset( $q['post_status'] ) && 'pending' === $q['post_status'] ) { 1161 $order = 'ASC'; 1162 } 1163 1164 $per_page = "edit_{$post_type}_per_page"; 1165 $posts_per_page = (int) get_user_option( $per_page ); 1166 if ( empty( $posts_per_page ) || $posts_per_page < 1 ) { 1167 $posts_per_page = 20; 1168 } 1169 1170 /** 1171 * Filters the number of items per page to show for a specific 'per_page' type. 1172 * 1173 * The dynamic portion of the hook name, `$post_type`, refers to the post type. 1174 * 1175 * Possible hook names include: 1176 * 1177 * - `edit_post_per_page` 1178 * - `edit_page_per_page` 1179 * - `edit_attachment_per_page` 1180 * 1181 * @since 3.0.0 1182 * 1183 * @param int $posts_per_page Number of posts to display per page for the given post 1184 * type. Default 20. 1185 */ 1186 $posts_per_page = apply_filters( "edit_{$post_type}_per_page", $posts_per_page ); 1187 1188 /** 1189 * Filters the number of posts displayed per page when specifically listing "posts". 1190 * 1191 * @since 2.8.0 1192 * 1193 * @param int $posts_per_page Number of posts to be displayed. Default 20. 1194 * @param string $post_type The post type. 1195 */ 1196 $posts_per_page = apply_filters( 'edit_posts_per_page', $posts_per_page, $post_type ); 1197 1198 $query = compact( 'post_type', 'post_status', 'perm', 'order', 'orderby', 'posts_per_page' ); 1199 1200 // Hierarchical types require special args. 1201 if ( is_post_type_hierarchical( $post_type ) && empty( $orderby ) ) { 1202 $query['orderby'] = 'menu_order title'; 1203 $query['order'] = 'asc'; 1204 $query['posts_per_page'] = -1; 1205 $query['posts_per_archive_page'] = -1; 1206 $query['fields'] = 'id=>parent'; 1207 } 1208 1209 if ( ! empty( $q['show_sticky'] ) ) { 1210 $query['post__in'] = (array) get_option( 'sticky_posts' ); 1211 } 1212 1213 wp( $query ); 1214 1215 return $avail_post_stati; 1216 } 1217 1218 /** 1219 * Get the query variables for the current attachments request. 1220 * 1221 * @since 4.2.0 1222 * 1223 * @param array|false $q Optional. Array of query variables to use to build the query or false 1224 * to use $_GET superglobal. Default false. 1225 * @return array The parsed query vars. 1226 */ 1227 function wp_edit_attachments_query_vars( $q = false ) { 1228 if ( false === $q ) { 1229 $q = $_GET; 1230 } 1231 $q['m'] = isset( $q['m'] ) ? (int) $q['m'] : 0; 1232 $q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0; 1233 $q['post_type'] = 'attachment'; 1234 $post_type = get_post_type_object( 'attachment' ); 1235 $states = 'inherit'; 1236 if ( current_user_can( $post_type->cap->read_private_posts ) ) { 1237 $states .= ',private'; 1238 } 1239 1240 $q['post_status'] = isset( $q['status'] ) && 'trash' === $q['status'] ? 'trash' : $states; 1241 $q['post_status'] = isset( $q['attachment-filter'] ) && 'trash' === $q['attachment-filter'] ? 'trash' : $states; 1242 1243 $media_per_page = (int) get_user_option( 'upload_per_page' ); 1244 if ( empty( $media_per_page ) || $media_per_page < 1 ) { 1245 $media_per_page = 20; 1246 } 1247 1248 /** 1249 * Filters the number of items to list per page when listing media items. 1250 * 1251 * @since 2.9.0 1252 * 1253 * @param int $media_per_page Number of media to list. Default 20. 1254 */ 1255 $q['posts_per_page'] = apply_filters( 'upload_per_page', $media_per_page ); 1256 1257 $post_mime_types = get_post_mime_types(); 1258 if ( isset( $q['post_mime_type'] ) && ! array_intersect( (array) $q['post_mime_type'], array_keys( $post_mime_types ) ) ) { 1259 unset( $q['post_mime_type'] ); 1260 } 1261 1262 foreach ( array_keys( $post_mime_types ) as $type ) { 1263 if ( isset( $q['attachment-filter'] ) && "post_mime_type:$type" === $q['attachment-filter'] ) { 1264 $q['post_mime_type'] = $type; 1265 break; 1266 } 1267 } 1268 1269 if ( isset( $q['detached'] ) || ( isset( $q['attachment-filter'] ) && 'detached' === $q['attachment-filter'] ) ) { 1270 $q['post_parent'] = 0; 1271 } 1272 1273 if ( isset( $q['mine'] ) || ( isset( $q['attachment-filter'] ) && 'mine' === $q['attachment-filter'] ) ) { 1274 $q['author'] = get_current_user_id(); 1275 } 1276 1277 // Filter query clauses to include filenames. 1278 if ( isset( $q['s'] ) ) { 1279 add_filter( 'posts_clauses', '_filter_query_attachment_filenames' ); 1280 } 1281 1282 return $q; 1283 } 1284 1285 /** 1286 * Executes a query for attachments. An array of WP_Query arguments 1287 * can be passed in, which will override the arguments set by this function. 1288 * 1289 * @since 2.5.0 1290 * 1291 * @param array|false $q Array of query variables to use to build the query or false to use $_GET superglobal. 1292 * @return array 1293 */ 1294 function wp_edit_attachments_query( $q = false ) { 1295 wp( wp_edit_attachments_query_vars( $q ) ); 1296 1297 $post_mime_types = get_post_mime_types(); 1298 $avail_post_mime_types = get_available_post_mime_types( 'attachment' ); 1299 1300 return array( $post_mime_types, $avail_post_mime_types ); 1301 } 1302 1303 /** 1304 * Returns the list of classes to be used by a meta box. 1305 * 1306 * @since 2.5.0 1307 * 1308 * @param string $box_id Meta box ID (used in the 'id' attribute for the meta box). 1309 * @param string $screen_id The screen on which the meta box is shown. 1310 * @return string Space-separated string of class names. 1311 */ 1312 function postbox_classes( $box_id, $screen_id ) { 1313 if ( isset( $_GET['edit'] ) && $_GET['edit'] == $box_id ) { 1314 $classes = array( '' ); 1315 } elseif ( get_user_option( 'closedpostboxes_' . $screen_id ) ) { 1316 $closed = get_user_option( 'closedpostboxes_' . $screen_id ); 1317 if ( ! is_array( $closed ) ) { 1318 $classes = array( '' ); 1319 } else { 1320 $classes = in_array( $box_id, $closed, true ) ? array( 'closed' ) : array( '' ); 1321 } 1322 } else { 1323 $classes = array( '' ); 1324 } 1325 1326 /** 1327 * Filters the postbox classes for a specific screen and box ID combo. 1328 * 1329 * The dynamic portions of the hook name, `$screen_id` and `$box_id`, refer to 1330 * the screen ID and meta box ID, respectively. 1331 * 1332 * @since 3.2.0 1333 * 1334 * @param string[] $classes An array of postbox classes. 1335 */ 1336 $classes = apply_filters( "postbox_classes_{$screen_id}_{$box_id}", $classes ); 1337 return implode( ' ', $classes ); 1338 } 1339 1340 /** 1341 * Get a sample permalink based off of the post name. 1342 * 1343 * @since 2.5.0 1344 * 1345 * @param int|WP_Post $id Post ID or post object. 1346 * @param string $title Optional. Title to override the post's current title when generating the post name. Default null. 1347 * @param string $name Optional. Name to override the post name. Default null. 1348 * @return array { 1349 * Array containing the sample permalink with placeholder for the post name, and the post name. 1350 * 1351 * @type string $0 The permalink with placeholder for the post name. 1352 * @type string $1 The post name. 1353 * } 1354 */ 1355 function get_sample_permalink( $id, $title = null, $name = null ) { 1356 $post = get_post( $id ); 1357 if ( ! $post ) { 1358 return array( '', '' ); 1359 } 1360 1361 $ptype = get_post_type_object( $post->post_type ); 1362 1363 $original_status = $post->post_status; 1364 $original_date = $post->post_date; 1365 $original_name = $post->post_name; 1366 1367 // Hack: get_permalink() would return plain permalink for drafts, so we will fake that our post is published. 1368 if ( in_array( $post->post_status, array( 'draft', 'pending', 'future' ), true ) ) { 1369 $post->post_status = 'publish'; 1370 $post->post_name = sanitize_title( $post->post_name ? $post->post_name : $post->post_title, $post->ID ); 1371 } 1372 1373 // If the user wants to set a new name -- override the current one. 1374 // Note: if empty name is supplied -- use the title instead, see #6072. 1375 if ( ! is_null( $name ) ) { 1376 $post->post_name = sanitize_title( $name ? $name : $title, $post->ID ); 1377 } 1378 1379 $post->post_name = wp_unique_post_slug( $post->post_name, $post->ID, $post->post_status, $post->post_type, $post->post_parent ); 1380 1381 $post->filter = 'sample'; 1382 1383 $permalink = get_permalink( $post, true ); 1384 1385 // Replace custom post_type token with generic pagename token for ease of use. 1386 $permalink = str_replace( "%$post->post_type%", '%pagename%', $permalink ); 1387 1388 // Handle page hierarchy. 1389 if ( $ptype->hierarchical ) { 1390 $uri = get_page_uri( $post ); 1391 if ( $uri ) { 1392 $uri = untrailingslashit( $uri ); 1393 $uri = strrev( stristr( strrev( $uri ), '/' ) ); 1394 $uri = untrailingslashit( $uri ); 1395 } 1396 1397 /** This filter is documented in wp-admin/edit-tag-form.php */ 1398 $uri = apply_filters( 'editable_slug', $uri, $post ); 1399 if ( ! empty( $uri ) ) { 1400 $uri .= '/'; 1401 } 1402 $permalink = str_replace( '%pagename%', "{$uri}%pagename%", $permalink ); 1403 } 1404 1405 /** This filter is documented in wp-admin/edit-tag-form.php */ 1406 $permalink = array( $permalink, apply_filters( 'editable_slug', $post->post_name, $post ) ); 1407 $post->post_status = $original_status; 1408 $post->post_date = $original_date; 1409 $post->post_name = $original_name; 1410 unset( $post->filter ); 1411 1412 /** 1413 * Filters the sample permalink. 1414 * 1415 * @since 4.4.0 1416 * 1417 * @param array $permalink { 1418 * Array containing the sample permalink with placeholder for the post name, and the post name. 1419 * 1420 * @type string $0 The permalink with placeholder for the post name. 1421 * @type string $1 The post name. 1422 * } 1423 * @param int $post_id Post ID. 1424 * @param string $title Post title. 1425 * @param string $name Post name (slug). 1426 * @param WP_Post $post Post object. 1427 */ 1428 return apply_filters( 'get_sample_permalink', $permalink, $post->ID, $title, $name, $post ); 1429 } 1430 1431 /** 1432 * Returns the HTML of the sample permalink slug editor. 1433 * 1434 * @since 2.5.0 1435 * 1436 * @param int $id Post ID or post object. 1437 * @param string $new_title Optional. New title. Default null. 1438 * @param string $new_slug Optional. New slug. Default null. 1439 * @return string The HTML of the sample permalink slug editor. 1440 */ 1441 function get_sample_permalink_html( $id, $new_title = null, $new_slug = null ) { 1442 $post = get_post( $id ); 1443 if ( ! $post ) { 1444 return ''; 1445 } 1446 1447 list($permalink, $post_name) = get_sample_permalink( $post->ID, $new_title, $new_slug ); 1448 1449 $view_link = false; 1450 $preview_target = ''; 1451 1452 if ( current_user_can( 'read_post', $post->ID ) ) { 1453 if ( 'draft' === $post->post_status || empty( $post->post_name ) ) { 1454 $view_link = get_preview_post_link( $post ); 1455 $preview_target = " target='wp-preview-{$post->ID}'"; 1456 } else { 1457 if ( 'publish' === $post->post_status || 'attachment' === $post->post_type ) { 1458 $view_link = get_permalink( $post ); 1459 } else { 1460 // Allow non-published (private, future) to be viewed at a pretty permalink, in case $post->post_name is set. 1461 $view_link = str_replace( array( '%pagename%', '%postname%' ), $post->post_name, $permalink ); 1462 } 1463 } 1464 } 1465 1466 // Permalinks without a post/page name placeholder don't have anything to edit. 1467 if ( false === strpos( $permalink, '%postname%' ) && false === strpos( $permalink, '%pagename%' ) ) { 1468 $return = '<strong>' . __( 'Permalink:' ) . "</strong>\n"; 1469 1470 if ( false !== $view_link ) { 1471 $display_link = urldecode( $view_link ); 1472 $return .= '<a id="sample-permalink" href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . esc_html( $display_link ) . "</a>\n"; 1473 } else { 1474 $return .= '<span id="sample-permalink">' . $permalink . "</span>\n"; 1475 } 1476 1477 // Encourage a pretty permalink setting. 1478 if ( ! get_option( 'permalink_structure' ) && current_user_can( 'manage_options' ) 1479 && ! ( 'page' === get_option( 'show_on_front' ) && get_option( 'page_on_front' ) == $id ) 1480 ) { 1481 $return .= '<span id="change-permalinks"><a href="options-permalink.php" class="button button-small" target="_blank">' . __( 'Change Permalinks' ) . "</a></span>\n"; 1482 } 1483 } else { 1484 if ( mb_strlen( $post_name ) > 34 ) { 1485 $post_name_abridged = mb_substr( $post_name, 0, 16 ) . '…' . mb_substr( $post_name, -16 ); 1486 } else { 1487 $post_name_abridged = $post_name; 1488 } 1489 1490 $post_name_html = '<span id="editable-post-name">' . esc_html( $post_name_abridged ) . '</span>'; 1491 $display_link = str_replace( array( '%pagename%', '%postname%' ), $post_name_html, esc_html( urldecode( $permalink ) ) ); 1492 1493 $return = '<strong>' . __( 'Permalink:' ) . "</strong>\n"; 1494 $return .= '<span id="sample-permalink"><a href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . $display_link . "</a></span>\n"; 1495 $return .= '‎'; // Fix bi-directional text display defect in RTL languages. 1496 $return .= '<span id="edit-slug-buttons"><button type="button" class="edit-slug button button-small hide-if-no-js" aria-label="' . __( 'Edit permalink' ) . '">' . __( 'Edit' ) . "</button></span>\n"; 1497 $return .= '<span id="editable-post-name-full">' . esc_html( $post_name ) . "</span>\n"; 1498 } 1499 1500 /** 1501 * Filters the sample permalink HTML markup. 1502 * 1503 * @since 2.9.0 1504 * @since 4.4.0 Added `$post` parameter. 1505 * 1506 * @param string $return Sample permalink HTML markup. 1507 * @param int $post_id Post ID. 1508 * @param string $new_title New sample permalink title. 1509 * @param string $new_slug New sample permalink slug. 1510 * @param WP_Post $post Post object. 1511 */ 1512 $return = apply_filters( 'get_sample_permalink_html', $return, $post->ID, $new_title, $new_slug, $post ); 1513 1514 return $return; 1515 } 1516 1517 /** 1518 * Returns HTML for the post thumbnail meta box. 1519 * 1520 * @since 2.9.0 1521 * 1522 * @param int $thumbnail_id ID of the attachment used for thumbnail 1523 * @param int|WP_Post $post Optional. The post ID or object associated with the thumbnail, defaults to global $post. 1524 * @return string The post thumbnail HTML. 1525 */ 1526 function _wp_post_thumbnail_html( $thumbnail_id = null, $post = null ) { 1527 $_wp_additional_image_sizes = wp_get_additional_image_sizes(); 1528 1529 $post = get_post( $post ); 1530 $post_type_object = get_post_type_object( $post->post_type ); 1531 $set_thumbnail_link = '<p class="hide-if-no-js"><a href="%s" id="set-post-thumbnail"%s class="thickbox">%s</a></p>'; 1532 $upload_iframe_src = get_upload_iframe_src( 'image', $post->ID ); 1533 1534 $content = sprintf( 1535 $set_thumbnail_link, 1536 esc_url( $upload_iframe_src ), 1537 '', // Empty when there's no featured image set, `aria-describedby` attribute otherwise. 1538 esc_html( $post_type_object->labels->set_featured_image ) 1539 ); 1540 1541 if ( $thumbnail_id && get_post( $thumbnail_id ) ) { 1542 $size = isset( $_wp_additional_image_sizes['post-thumbnail'] ) ? 'post-thumbnail' : array( 266, 266 ); 1543 1544 /** 1545 * Filters the size used to display the post thumbnail image in the 'Featured image' meta box. 1546 * 1547 * Note: When a theme adds 'post-thumbnail' support, a special 'post-thumbnail' 1548 * image size is registered, which differs from the 'thumbnail' image size 1549 * managed via the Settings > Media screen. 1550 * 1551 * @since 4.4.0 1552 * 1553 * @param string|int[] $size Requested image size. Can be any registered image size name, or 1554 * an array of width and height values in pixels (in that order). 1555 * @param int $thumbnail_id Post thumbnail attachment ID. 1556 * @param WP_Post $post The post object associated with the thumbnail. 1557 */ 1558 $size = apply_filters( 'admin_post_thumbnail_size', $size, $thumbnail_id, $post ); 1559 1560 $thumbnail_html = wp_get_attachment_image( $thumbnail_id, $size ); 1561 1562 if ( ! empty( $thumbnail_html ) ) { 1563 $content = sprintf( 1564 $set_thumbnail_link, 1565 esc_url( $upload_iframe_src ), 1566 ' aria-describedby="set-post-thumbnail-desc"', 1567 $thumbnail_html 1568 ); 1569 $content .= '<p class="hide-if-no-js howto" id="set-post-thumbnail-desc">' . __( 'Click the image to edit or update' ) . '</p>'; 1570 $content .= '<p class="hide-if-no-js"><a href="#" id="remove-post-thumbnail">' . esc_html( $post_type_object->labels->remove_featured_image ) . '</a></p>'; 1571 } 1572 } 1573 1574 $content .= '<input type="hidden" id="_thumbnail_id" name="_thumbnail_id" value="' . esc_attr( $thumbnail_id ? $thumbnail_id : '-1' ) . '" />'; 1575 1576 /** 1577 * Filters the admin post thumbnail HTML markup to return. 1578 * 1579 * @since 2.9.0 1580 * @since 3.5.0 Added the `$post_id` parameter. 1581 * @since 4.6.0 Added the `$thumbnail_id` parameter. 1582 * 1583 * @param string $content Admin post thumbnail HTML markup. 1584 * @param int $post_id Post ID. 1585 * @param int|null $thumbnail_id Thumbnail attachment ID, or null if there isn't one. 1586 */ 1587 return apply_filters( 'admin_post_thumbnail_html', $content, $post->ID, $thumbnail_id ); 1588 } 1589 1590 /** 1591 * Check to see if the post is currently being edited by another user. 1592 * 1593 * @since 2.5.0 1594 * 1595 * @param int|WP_Post $post_id ID or object of the post to check for editing. 1596 * @return int|false ID of the user with lock. False if the post does not exist, post is not locked, 1597 * the user with lock does not exist, or the post is locked by current user. 1598 */ 1599 function wp_check_post_lock( $post_id ) { 1600 $post = get_post( $post_id ); 1601 if ( ! $post ) { 1602 return false; 1603 } 1604 1605 $lock = get_post_meta( $post->ID, '_edit_lock', true ); 1606 if ( ! $lock ) { 1607 return false; 1608 } 1609 1610 $lock = explode( ':', $lock ); 1611 $time = $lock[0]; 1612 $user = isset( $lock[1] ) ? $lock[1] : get_post_meta( $post->ID, '_edit_last', true ); 1613 1614 if ( ! get_userdata( $user ) ) { 1615 return false; 1616 } 1617 1618 /** This filter is documented in wp-admin/includes/ajax-actions.php */ 1619 $time_window = apply_filters( 'wp_check_post_lock_window', 150 ); 1620 1621 if ( $time && $time > time() - $time_window && get_current_user_id() != $user ) { 1622 return $user; 1623 } 1624 1625 return false; 1626 } 1627 1628 /** 1629 * Mark the post as currently being edited by the current user 1630 * 1631 * @since 2.5.0 1632 * 1633 * @param int|WP_Post $post_id ID or object of the post being edited. 1634 * @return array|false Array of the lock time and user ID. False if the post does not exist, or 1635 * there is no current user. 1636 */ 1637 function wp_set_post_lock( $post_id ) { 1638 $post = get_post( $post_id ); 1639 if ( ! $post ) { 1640 return false; 1641 } 1642 1643 $user_id = get_current_user_id(); 1644 if ( 0 == $user_id ) { 1645 return false; 1646 } 1647 1648 $now = time(); 1649 $lock = "$now:$user_id"; 1650 1651 update_post_meta( $post->ID, '_edit_lock', $lock ); 1652 1653 return array( $now, $user_id ); 1654 } 1655 1656 /** 1657 * Outputs the HTML for the notice to say that someone else is editing or has taken over editing of this post. 1658 * 1659 * @since 2.8.5 1660 */ 1661 function _admin_notice_post_locked() { 1662 $post = get_post(); 1663 if ( ! $post ) { 1664 return; 1665 } 1666 1667 $user = null; 1668 $user_id = wp_check_post_lock( $post->ID ); 1669 if ( $user_id ) { 1670 $user = get_userdata( $user_id ); 1671 } 1672 1673 if ( $user ) { 1674 /** 1675 * Filters whether to show the post locked dialog. 1676 * 1677 * Returning false from the filter will prevent the dialog from being displayed. 1678 * 1679 * @since 3.6.0 1680 * 1681 * @param bool $display Whether to display the dialog. Default true. 1682 * @param WP_Post $post Post object. 1683 * @param WP_User $user The user with the lock for the post. 1684 */ 1685 if ( ! apply_filters( 'show_post_locked_dialog', true, $post, $user ) ) { 1686 return; 1687 } 1688 1689 $locked = true; 1690 } else { 1691 $locked = false; 1692 } 1693 1694 $sendback = wp_get_referer(); 1695 if ( $locked && $sendback && false === strpos( $sendback, 'post.php' ) && false === strpos( $sendback, 'post-new.php' ) ) { 1696 1697 $sendback_text = __( 'Go back' ); 1698 } else { 1699 $sendback = admin_url( 'edit.php' ); 1700 1701 if ( 'post' !== $post->post_type ) { 1702 $sendback = add_query_arg( 'post_type', $post->post_type, $sendback ); 1703 } 1704 1705 $sendback_text = get_post_type_object( $post->post_type )->labels->all_items; 1706 } 1707 1708 $hidden = $locked ? '' : ' hidden'; 1709 1710 ?> 1711 <div id="post-lock-dialog" class="notification-dialog-wrap<?php echo $hidden; ?>"> 1712 <div class="notification-dialog-background"></div> 1713 <div class="notification-dialog"> 1714 <?php 1715 1716 if ( $locked ) { 1717 $query_args = array(); 1718 if ( get_post_type_object( $post->post_type )->public ) { 1719 if ( 'publish' === $post->post_status || $user->ID != $post->post_author ) { 1720 // Latest content is in autosave. 1721 $nonce = wp_create_nonce( 'post_preview_' . $post->ID ); 1722 $query_args['preview_id'] = $post->ID; 1723 $query_args['preview_nonce'] = $nonce; 1724 } 1725 } 1726 1727 $preview_link = get_preview_post_link( $post->ID, $query_args ); 1728 1729 /** 1730 * Filters whether to allow the post lock to be overridden. 1731 * 1732 * Returning false from the filter will disable the ability 1733 * to override the post lock. 1734 * 1735 * @since 3.6.0 1736 * 1737 * @param bool $override Whether to allow the post lock to be overridden. Default true. 1738 * @param WP_Post $post Post object. 1739 * @param WP_User $user The user with the lock for the post. 1740 */ 1741 $override = apply_filters( 'override_post_lock', true, $post, $user ); 1742 $tab_last = $override ? '' : ' wp-tab-last'; 1743 1744 ?> 1745 <div class="post-locked-message"> 1746 <div class="post-locked-avatar"><?php echo get_avatar( $user->ID, 64 ); ?></div> 1747 <p class="currently-editing wp-tab-first" tabindex="0"> 1748 <?php 1749 if ( $override ) { 1750 /* translators: %s: User's display name. */ 1751 printf( __( '%s is currently editing this post. Do you want to take over?' ), esc_html( $user->display_name ) ); 1752 } else { 1753 /* translators: %s: User's display name. */ 1754 printf( __( '%s is currently editing this post.' ), esc_html( $user->display_name ) ); 1755 } 1756 ?> 1757 </p> 1758 <?php 1759 /** 1760 * Fires inside the post locked dialog before the buttons are displayed. 1761 * 1762 * @since 3.6.0 1763 * @since 5.4.0 The $user parameter was added. 1764 * 1765 * @param WP_Post $post Post object. 1766 * @param WP_User $user The user with the lock for the post. 1767 */ 1768 do_action( 'post_locked_dialog', $post, $user ); 1769 ?> 1770 <p> 1771 <a class="button" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a> 1772 <?php if ( $preview_link ) { ?> 1773 <a class="button<?php echo $tab_last; ?>" href="<?php echo esc_url( $preview_link ); ?>"><?php _e( 'Preview' ); ?></a> 1774 <?php 1775 } 1776 1777 // Allow plugins to prevent some users overriding the post lock. 1778 if ( $override ) { 1779 ?> 1780 <a class="button button-primary wp-tab-last" href="<?php echo esc_url( add_query_arg( 'get-post-lock', '1', wp_nonce_url( get_edit_post_link( $post->ID, 'url' ), 'lock-post_' . $post->ID ) ) ); ?>"><?php _e( 'Take over' ); ?></a> 1781 <?php 1782 } 1783 1784 ?> 1785 </p> 1786 </div> 1787 <?php 1788 } else { 1789 ?> 1790 <div class="post-taken-over"> 1791 <div class="post-locked-avatar"></div> 1792 <p class="wp-tab-first" tabindex="0"> 1793 <span class="currently-editing"></span><br /> 1794 <span class="locked-saving hidden"><img src="<?php echo esc_url( admin_url( 'images/spinner-2x.gif' ) ); ?>" width="16" height="16" alt="" /> <?php _e( 'Saving revision…' ); ?></span> 1795 <span class="locked-saved hidden"><?php _e( 'Your latest changes were saved as a revision.' ); ?></span> 1796 </p> 1797 <?php 1798 /** 1799 * Fires inside the dialog displayed when a user has lost the post lock. 1800 * 1801 * @since 3.6.0 1802 * 1803 * @param WP_Post $post Post object. 1804 */ 1805 do_action( 'post_lock_lost_dialog', $post ); 1806 ?> 1807 <p><a class="button button-primary wp-tab-last" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a></p> 1808 </div> 1809 <?php 1810 } 1811 1812 ?> 1813 </div> 1814 </div> 1815 <?php 1816 } 1817 1818 /** 1819 * Creates autosave data for the specified post from $_POST data. 1820 * 1821 * @since 2.6.0 1822 * 1823 * @param array|int $post_data Associative array containing the post data or int post ID. 1824 * @return int|WP_Error The autosave revision ID. WP_Error or 0 on error. 1825 */ 1826 function wp_create_post_autosave( $post_data ) { 1827 if ( is_numeric( $post_data ) ) { 1828 $post_id = $post_data; 1829 $post_data = $_POST; 1830 } else { 1831 $post_id = (int) $post_data['post_ID']; 1832 } 1833 1834 $post_data = _wp_translate_postdata( true, $post_data ); 1835 if ( is_wp_error( $post_data ) ) { 1836 return $post_data; 1837 } 1838 $post_data = _wp_get_allowed_postdata( $post_data ); 1839 1840 $post_author = get_current_user_id(); 1841 1842 // Store one autosave per author. If there is already an autosave, overwrite it. 1843 $old_autosave = wp_get_post_autosave( $post_id, $post_author ); 1844 if ( $old_autosave ) { 1845 $new_autosave = _wp_post_revision_data( $post_data, true ); 1846 $new_autosave['ID'] = $old_autosave->ID; 1847 $new_autosave['post_author'] = $post_author; 1848 1849 $post = get_post( $post_id ); 1850 1851 // If the new autosave has the same content as the post, delete the autosave. 1852 $autosave_is_different = false; 1853 foreach ( array_intersect( array_keys( $new_autosave ), array_keys( _wp_post_revision_fields( $post ) ) ) as $field ) { 1854 if ( normalize_whitespace( $new_autosave[ $field ] ) !== normalize_whitespace( $post->$field ) ) { 1855 $autosave_is_different = true; 1856 break; 1857 } 1858 } 1859 1860 if ( ! $autosave_is_different ) { 1861 wp_delete_post_revision( $old_autosave->ID ); 1862 return 0; 1863 } 1864 1865 /** 1866 * Fires before an autosave is stored. 1867 * 1868 * @since 4.1.0 1869 * 1870 * @param array $new_autosave Post array - the autosave that is about to be saved. 1871 */ 1872 do_action( 'wp_creating_autosave', $new_autosave ); 1873 1874 return wp_update_post( $new_autosave ); 1875 } 1876 1877 // _wp_put_post_revision() expects unescaped. 1878 $post_data = wp_unslash( $post_data ); 1879 1880 // Otherwise create the new autosave as a special post revision. 1881 return _wp_put_post_revision( $post_data, true ); 1882 } 1883 1884 /** 1885 * Saves a draft or manually autosaves for the purpose of showing a post preview. 1886 * 1887 * @since 2.7.0 1888 * 1889 * @return string URL to redirect to show the preview. 1890 */ 1891 function post_preview() { 1892 1893 $post_ID = (int) $_POST['post_ID']; 1894 $_POST['ID'] = $post_ID; 1895 1896 $post = get_post( $post_ID ); 1897 if ( ! $post ) { 1898 wp_die( __( 'Sorry, you are not allowed to edit this post.' ) ); 1899 } 1900 1901 if ( ! current_user_can( 'edit_post', $post->ID ) ) { 1902 wp_die( __( 'Sorry, you are not allowed to edit this post.' ) ); 1903 } 1904 1905 $is_autosave = false; 1906 1907 if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author 1908 && ( 'draft' === $post->post_status || 'auto-draft' === $post->post_status ) 1909 ) { 1910 $saved_post_id = edit_post(); 1911 } else { 1912 $is_autosave = true; 1913 1914 if ( isset( $_POST['post_status'] ) && 'auto-draft' === $_POST['post_status'] ) { 1915 $_POST['post_status'] = 'draft'; 1916 } 1917 1918 $saved_post_id = wp_create_post_autosave( $post->ID ); 1919 } 1920 1921 if ( is_wp_error( $saved_post_id ) ) { 1922 wp_die( $saved_post_id->get_error_message() ); 1923 } 1924 1925 $query_args = array(); 1926 1927 if ( $is_autosave && $saved_post_id ) { 1928 $query_args['preview_id'] = $post->ID; 1929 $query_args['preview_nonce'] = wp_create_nonce( 'post_preview_' . $post->ID ); 1930 1931 if ( isset( $_POST['post_format'] ) ) { 1932 $query_args['post_format'] = empty( $_POST['post_format'] ) ? 'standard' : sanitize_key( $_POST['post_format'] ); 1933 } 1934 1935 if ( isset( $_POST['_thumbnail_id'] ) ) { 1936 $query_args['_thumbnail_id'] = ( (int) $_POST['_thumbnail_id'] <= 0 ) ? '-1' : (int) $_POST['_thumbnail_id']; 1937 } 1938 } 1939 1940 return get_preview_post_link( $post, $query_args ); 1941 } 1942 1943 /** 1944 * Save a post submitted with XHR 1945 * 1946 * Intended for use with heartbeat and autosave.js 1947 * 1948 * @since 3.9.0 1949 * 1950 * @param array $post_data Associative array of the submitted post data. 1951 * @return mixed The value 0 or WP_Error on failure. The saved post ID on success. 1952 * The ID can be the draft post_id or the autosave revision post_id. 1953 */ 1954 function wp_autosave( $post_data ) { 1955 // Back-compat. 1956 if ( ! defined( 'DOING_AUTOSAVE' ) ) { 1957 define( 'DOING_AUTOSAVE', true ); 1958 } 1959 1960 $post_id = (int) $post_data['post_id']; 1961 $post_data['ID'] = $post_id; 1962 $post_data['post_ID'] = $post_id; 1963 1964 if ( false === wp_verify_nonce( $post_data['_wpnonce'], 'update-post_' . $post_id ) ) { 1965 return new WP_Error( 'invalid_nonce', __( 'Error while saving.' ) ); 1966 } 1967 1968 $post = get_post( $post_id ); 1969 1970 if ( ! current_user_can( 'edit_post', $post->ID ) ) { 1971 return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to edit this item.' ) ); 1972 } 1973 1974 if ( 'auto-draft' === $post->post_status ) { 1975 $post_data['post_status'] = 'draft'; 1976 } 1977 1978 if ( 'page' !== $post_data['post_type'] && ! empty( $post_data['catslist'] ) ) { 1979 $post_data['post_category'] = explode( ',', $post_data['catslist'] ); 1980 } 1981 1982 if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author 1983 && ( 'auto-draft' === $post->post_status || 'draft' === $post->post_status ) 1984 ) { 1985 // Drafts and auto-drafts are just overwritten by autosave for the same user if the post is not locked. 1986 return edit_post( wp_slash( $post_data ) ); 1987 } else { 1988 // Non-drafts or other users' drafts are not overwritten. 1989 // The autosave is stored in a special post revision for each user. 1990 return wp_create_post_autosave( wp_slash( $post_data ) ); 1991 } 1992 } 1993 1994 /** 1995 * Redirect to previous page. 1996 * 1997 * @since 2.7.0 1998 * 1999 * @param int $post_id Optional. Post ID. 2000 */ 2001 function redirect_post( $post_id = '' ) { 2002 if ( isset( $_POST['save'] ) || isset( $_POST['publish'] ) ) { 2003 $status = get_post_status( $post_id ); 2004 2005 if ( isset( $_POST['publish'] ) ) { 2006 switch ( $status ) { 2007 case 'pending': 2008 $message = 8; 2009 break; 2010 case 'future': 2011 $message = 9; 2012 break; 2013 default: 2014 $message = 6; 2015 } 2016 } else { 2017 $message = 'draft' === $status ? 10 : 1; 2018 } 2019 2020 $location = add_query_arg( 'message', $message, get_edit_post_link( $post_id, 'url' ) ); 2021 } elseif ( isset( $_POST['addmeta'] ) && $_POST['addmeta'] ) { 2022 $location = add_query_arg( 'message', 2, wp_get_referer() ); 2023 $location = explode( '#', $location ); 2024 $location = $location[0] . '#postcustom'; 2025 } elseif ( isset( $_POST['deletemeta'] ) && $_POST['deletemeta'] ) { 2026 $location = add_query_arg( 'message', 3, wp_get_referer() ); 2027 $location = explode( '#', $location ); 2028 $location = $location[0] . '#postcustom'; 2029 } else { 2030 $location = add_query_arg( 'message', 4, get_edit_post_link( $post_id, 'url' ) ); 2031 } 2032 2033 /** 2034 * Filters the post redirect destination URL. 2035 * 2036 * @since 2.9.0 2037 * 2038 * @param string $location The destination URL. 2039 * @param int $post_id The post ID. 2040 */ 2041 wp_redirect( apply_filters( 'redirect_post_location', $location, $post_id ) ); 2042 exit; 2043 } 2044 2045 /** 2046 * Sanitizes POST values from a checkbox taxonomy metabox. 2047 * 2048 * @since 5.1.0 2049 * 2050 * @param string $taxonomy The taxonomy name. 2051 * @param array $terms Raw term data from the 'tax_input' field. 2052 * @return int[] Array of sanitized term IDs. 2053 */ 2054 function taxonomy_meta_box_sanitize_cb_checkboxes( $taxonomy, $terms ) { 2055 return array_map( 'intval', $terms ); 2056 } 2057 2058 /** 2059 * Sanitizes POST values from an input taxonomy metabox. 2060 * 2061 * @since 5.1.0 2062 * 2063 * @param string $taxonomy The taxonomy name. 2064 * @param array|string $terms Raw term data from the 'tax_input' field. 2065 * @return array 2066 */ 2067 function taxonomy_meta_box_sanitize_cb_input( $taxonomy, $terms ) { 2068 /* 2069 * Assume that a 'tax_input' string is a comma-separated list of term names. 2070 * Some languages may use a character other than a comma as a delimiter, so we standardize on 2071 * commas before parsing the list. 2072 */ 2073 if ( ! is_array( $terms ) ) { 2074 $comma = _x( ',', 'tag delimiter' ); 2075 if ( ',' !== $comma ) { 2076 $terms = str_replace( $comma, ',', $terms ); 2077 } 2078 $terms = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) ); 2079 } 2080 2081 $clean_terms = array(); 2082 foreach ( $terms as $term ) { 2083 // Empty terms are invalid input. 2084 if ( empty( $term ) ) { 2085 continue; 2086 } 2087 2088 $_term = get_terms( 2089 array( 2090 'taxonomy' => $taxonomy, 2091 'name' => $term, 2092 'fields' => 'ids', 2093 'hide_empty' => false, 2094 ) 2095 ); 2096 2097 if ( ! empty( $_term ) ) { 2098 $clean_terms[] = (int) $_term[0]; 2099 } else { 2100 // No existing term was found, so pass the string. A new term will be created. 2101 $clean_terms[] = $term; 2102 } 2103 } 2104 2105 return $clean_terms; 2106 } 2107 2108 /** 2109 * Return whether the post can be edited in the block editor. 2110 * 2111 * @since 5.0.0 2112 * 2113 * @param int|WP_Post $post Post ID or WP_Post object. 2114 * @return bool Whether the post can be edited in the block editor. 2115 */ 2116 function use_block_editor_for_post( $post ) { 2117 $post = get_post( $post ); 2118 2119 if ( ! $post ) { 2120 return false; 2121 } 2122 2123 // We're in the meta box loader, so don't use the block editor. 2124 if ( isset( $_GET['meta-box-loader'] ) ) { 2125 check_admin_referer( 'meta-box-loader', 'meta-box-loader-nonce' ); 2126 return false; 2127 } 2128 2129 // The posts page can't be edited in the block editor. 2130 if ( absint( get_option( 'page_for_posts' ) ) === $post->ID && empty( $post->post_content ) ) { 2131 return false; 2132 } 2133 2134 $use_block_editor = use_block_editor_for_post_type( $post->post_type ); 2135 2136 /** 2137 * Filters whether a post is able to be edited in the block editor. 2138 * 2139 * @since 5.0.0 2140 * 2141 * @param bool $use_block_editor Whether the post can be edited or not. 2142 * @param WP_Post $post The post being checked. 2143 */ 2144 return apply_filters( 'use_block_editor_for_post', $use_block_editor, $post ); 2145 } 2146 2147 /** 2148 * Return whether a post type is compatible with the block editor. 2149 * 2150 * The block editor depends on the REST API, and if the post type is not shown in the 2151 * REST API, then it won't work with the block editor. 2152 * 2153 * @since 5.0.0 2154 * 2155 * @param string $post_type The post type. 2156 * @return bool Whether the post type can be edited with the block editor. 2157 */ 2158 function use_block_editor_for_post_type( $post_type ) { 2159 if ( ! post_type_exists( $post_type ) ) { 2160 return false; 2161 } 2162 2163 if ( ! post_type_supports( $post_type, 'editor' ) ) { 2164 return false; 2165 } 2166 2167 $post_type_object = get_post_type_object( $post_type ); 2168 if ( $post_type_object && ! $post_type_object->show_in_rest ) { 2169 return false; 2170 } 2171 2172 /** 2173 * Filters whether a post is able to be edited in the block editor. 2174 * 2175 * @since 5.0.0 2176 * 2177 * @param bool $use_block_editor Whether the post type can be edited or not. Default true. 2178 * @param string $post_type The post type being checked. 2179 */ 2180 return apply_filters( 'use_block_editor_for_post_type', true, $post_type ); 2181 } 2182 2183 /** 2184 * Prepares server-registered blocks for the block editor. 2185 * 2186 * Returns an associative array of registered block data keyed by block name. Data includes properties 2187 * of a block relevant for client registration. 2188 * 2189 * @since 5.0.0 2190 * 2191 * @return array An associative array of registered block data. 2192 */ 2193 function get_block_editor_server_block_settings() { 2194 $block_registry = WP_Block_Type_Registry::get_instance(); 2195 $blocks = array(); 2196 $fields_to_pick = array( 2197 'api_version' => 'apiVersion', 2198 'title' => 'title', 2199 'description' => 'description', 2200 'icon' => 'icon', 2201 'attributes' => 'attributes', 2202 'provides_context' => 'providesContext', 2203 'uses_context' => 'usesContext', 2204 'supports' => 'supports', 2205 'category' => 'category', 2206 'styles' => 'styles', 2207 'textdomain' => 'textdomain', 2208 'parent' => 'parent', 2209 'keywords' => 'keywords', 2210 'example' => 'example', 2211 'variations' => 'variations', 2212 ); 2213 2214 foreach ( $block_registry->get_all_registered() as $block_name => $block_type ) { 2215 foreach ( $fields_to_pick as $field => $key ) { 2216 if ( ! isset( $block_type->{ $field } ) ) { 2217 continue; 2218 } 2219 2220 if ( ! isset( $blocks[ $block_name ] ) ) { 2221 $blocks[ $block_name ] = array(); 2222 } 2223 2224 $blocks[ $block_name ][ $key ] = $block_type->{ $field }; 2225 } 2226 } 2227 2228 return $blocks; 2229 } 2230 2231 /** 2232 * Renders the meta boxes forms. 2233 * 2234 * @since 5.0.0 2235 */ 2236 function the_block_editor_meta_boxes() { 2237 global $post, $current_screen, $wp_meta_boxes; 2238 2239 // Handle meta box state. 2240 $_original_meta_boxes = $wp_meta_boxes; 2241 2242 /** 2243 * Fires right before the meta boxes are rendered. 2244 * 2245 * This allows for the filtering of meta box data, that should already be 2246 * present by this point. Do not use as a means of adding meta box data. 2247 * 2248 * @since 5.0.0 2249 * 2250 * @param array $wp_meta_boxes Global meta box state. 2251 */ 2252 $wp_meta_boxes = apply_filters( 'filter_block_editor_meta_boxes', $wp_meta_boxes ); 2253 $locations = array( 'side', 'normal', 'advanced' ); 2254 $priorities = array( 'high', 'sorted', 'core', 'default', 'low' ); 2255 2256 // Render meta boxes. 2257 ?> 2258 <form class="metabox-base-form"> 2259 <?php the_block_editor_meta_box_post_form_hidden_fields( $post ); ?> 2260 </form> 2261 <form id="toggle-custom-fields-form" method="post" action="<?php echo esc_url( admin_url( 'post.php' ) ); ?>"> 2262 <?php wp_nonce_field( 'toggle-custom-fields', 'toggle-custom-fields-nonce' ); ?> 2263 <input type="hidden" name="action" value="toggle-custom-fields" /> 2264 </form> 2265 <?php foreach ( $locations as $location ) : ?> 2266 <form class="metabox-location-<?php echo esc_attr( $location ); ?>" onsubmit="return false;"> 2267 <div id="poststuff" class="sidebar-open"> 2268 <div id="postbox-container-2" class="postbox-container"> 2269 <?php 2270 do_meta_boxes( 2271 $current_screen, 2272 $location, 2273 $post 2274 ); 2275 ?> 2276 </div> 2277 </div> 2278 </form> 2279 <?php endforeach; ?> 2280 <?php 2281 2282 $meta_boxes_per_location = array(); 2283 foreach ( $locations as $location ) { 2284 $meta_boxes_per_location[ $location ] = array(); 2285 2286 if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ] ) ) { 2287 continue; 2288 } 2289 2290 foreach ( $priorities as $priority ) { 2291 if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ] ) ) { 2292 continue; 2293 } 2294 2295 $meta_boxes = (array) $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ]; 2296 foreach ( $meta_boxes as $meta_box ) { 2297 if ( false == $meta_box || ! $meta_box['title'] ) { 2298 continue; 2299 } 2300 2301 // If a meta box is just here for back compat, don't show it in the block editor. 2302 if ( isset( $meta_box['args']['__back_compat_meta_box'] ) && $meta_box['args']['__back_compat_meta_box'] ) { 2303 continue; 2304 } 2305 2306 $meta_boxes_per_location[ $location ][] = array( 2307 'id' => $meta_box['id'], 2308 'title' => $meta_box['title'], 2309 ); 2310 } 2311 } 2312 } 2313 2314 /** 2315 * Sadly we probably can not add this data directly into editor settings. 2316 * 2317 * Some meta boxes need admin_head to fire for meta box registry. 2318 * admin_head fires after admin_enqueue_scripts, which is where we create our 2319 * editor instance. 2320 */ 2321 $script = 'window._wpLoadBlockEditor.then( function() { 2322 wp.data.dispatch( \'core/edit-post\' ).setAvailableMetaBoxesPerLocation( ' . wp_json_encode( $meta_boxes_per_location ) . ' ); 2323 } );'; 2324 2325 wp_add_inline_script( 'wp-edit-post', $script ); 2326 2327 /** 2328 * When `wp-edit-post` is output in the `<head>`, the inline script needs to be manually printed. Otherwise, 2329 * meta boxes will not display because inline scripts for `wp-edit-post` will not be printed again after this point. 2330 */ 2331 if ( wp_script_is( 'wp-edit-post', 'done' ) ) { 2332 printf( "<script type='text/javascript'>\n%s\n</script>\n", trim( $script ) ); 2333 } 2334 2335 /** 2336 * If the 'postcustom' meta box is enabled, then we need to perform some 2337 * extra initialization on it. 2338 */ 2339 $enable_custom_fields = (bool) get_user_meta( get_current_user_id(), 'enable_custom_fields', true ); 2340 if ( $enable_custom_fields ) { 2341 $script = "( function( $ ) { 2342 if ( $('#postcustom').length ) { 2343 $( '#the-list' ).wpList( { 2344 addBefore: function( s ) { 2345 s.data += '&post_id=$post->ID'; 2346 return s; 2347 }, 2348 addAfter: function() { 2349 $('table#list-table').show(); 2350 } 2351 }); 2352 } 2353 } )( jQuery );"; 2354 wp_enqueue_script( 'wp-lists' ); 2355 wp_add_inline_script( 'wp-lists', $script ); 2356 } 2357 2358 // Reset meta box data. 2359 $wp_meta_boxes = $_original_meta_boxes; 2360 } 2361 2362 /** 2363 * Renders the hidden form required for the meta boxes form. 2364 * 2365 * @since 5.0.0 2366 * 2367 * @param WP_Post $post Current post object. 2368 */ 2369 function the_block_editor_meta_box_post_form_hidden_fields( $post ) { 2370 $form_extra = ''; 2371 if ( 'auto-draft' === $post->post_status ) { 2372 $form_extra .= "<input type='hidden' id='auto_draft' name='auto_draft' value='1' />"; 2373 } 2374 $form_action = 'editpost'; 2375 $nonce_action = 'update-post_' . $post->ID; 2376 $form_extra .= "<input type='hidden' id='post_ID' name='post_ID' value='" . esc_attr( $post->ID ) . "' />"; 2377 $referer = wp_get_referer(); 2378 $current_user = wp_get_current_user(); 2379 $user_id = $current_user->ID; 2380 wp_nonce_field( $nonce_action ); 2381 2382 /* 2383 * Some meta boxes hook into these actions to add hidden input fields in the classic post form. For backwards 2384 * compatibility, we can capture the output from these actions, and extract the hidden input fields. 2385 */ 2386 ob_start(); 2387 /** This filter is documented in wp-admin/edit-form-advanced.php */ 2388 do_action( 'edit_form_after_title', $post ); 2389 /** This filter is documented in wp-admin/edit-form-advanced.php */ 2390 do_action( 'edit_form_advanced', $post ); 2391 $classic_output = ob_get_clean(); 2392 2393 $classic_elements = wp_html_split( $classic_output ); 2394 $hidden_inputs = ''; 2395 foreach ( $classic_elements as $element ) { 2396 if ( 0 !== strpos( $element, '<input ' ) ) { 2397 continue; 2398 } 2399 2400 if ( preg_match( '/\stype=[\'"]hidden[\'"]\s/', $element ) ) { 2401 echo $element; 2402 } 2403 } 2404 ?> 2405 <input type="hidden" id="user-id" name="user_ID" value="<?php echo (int) $user_id; ?>" /> 2406 <input type="hidden" id="hiddenaction" name="action" value="<?php echo esc_attr( $form_action ); ?>" /> 2407 <input type="hidden" id="originalaction" name="originalaction" value="<?php echo esc_attr( $form_action ); ?>" /> 2408 <input type="hidden" id="post_type" name="post_type" value="<?php echo esc_attr( $post->post_type ); ?>" /> 2409 <input type="hidden" id="original_post_status" name="original_post_status" value="<?php echo esc_attr( $post->post_status ); ?>" /> 2410 <input type="hidden" id="referredby" name="referredby" value="<?php echo $referer ? esc_url( $referer ) : ''; ?>" /> 2411 2412 <?php 2413 if ( 'draft' !== get_post_status( $post ) ) { 2414 wp_original_referer_field( true, 'previous' ); 2415 } 2416 echo $form_extra; 2417 wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false ); 2418 wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false ); 2419 // Permalink title nonce. 2420 wp_nonce_field( 'samplepermalink', 'samplepermalinknonce', false ); 2421 2422 /** 2423 * Add hidden input fields to the meta box save form. 2424 * 2425 * Hook into this action to print `<input type="hidden" ... />` fields, which will be POSTed back to 2426 * the server when meta boxes are saved. 2427 * 2428 * @since 5.0.0 2429 * 2430 * @param WP_Post $post The post that is being edited. 2431 */ 2432 do_action( 'block_editor_meta_box_hidden_fields', $post ); 2433 }
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| Generated : Mon May 17 08:20:01 2021 | Cross-referenced by PHPXref |