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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 $post_data['post_date'] = sprintf( '%04d-%02d-%02d %02d:%02d:%02d', $aa, $mm, $jj, $hh, $mn, $ss ); 186 $valid_date = wp_checkdate( $mm, $jj, $aa, $post_data['post_date'] ); 187 if ( ! $valid_date ) { 188 return new WP_Error( 'invalid_date', __( 'Invalid date.' ) ); 189 } 190 $post_data['post_date_gmt'] = get_gmt_from_date( $post_data['post_date'] ); 191 } 192 193 if ( isset( $post_data['post_category'] ) ) { 194 $category_object = get_taxonomy( 'category' ); 195 if ( ! current_user_can( $category_object->cap->assign_terms ) ) { 196 unset( $post_data['post_category'] ); 197 } 198 } 199 200 return $post_data; 201 } 202 203 /** 204 * Returns only allowed post data fields 205 * 206 * @since 5.0.1 207 * 208 * @param array $post_data Array of post data. Defaults to the contents of $_POST. 209 * @return array|WP_Error Array of post data on success, WP_Error on failure. 210 */ 211 function _wp_get_allowed_postdata( $post_data = null ) { 212 if ( empty( $post_data ) ) { 213 $post_data = $_POST; 214 } 215 216 // Pass through errors. 217 if ( is_wp_error( $post_data ) ) { 218 return $post_data; 219 } 220 221 return array_diff_key( $post_data, array_flip( array( 'meta_input', 'file', 'guid' ) ) ); 222 } 223 224 /** 225 * Update an existing post with values provided in $_POST. 226 * 227 * If post data is passed as an argument, it is treated as an array of data 228 * keyed appropriately for turning into a post object. 229 * 230 * If post data is not passed, the $_POST global variable is used instead. 231 * 232 * @since 1.5.0 233 * 234 * @global wpdb $wpdb WordPress database abstraction object. 235 * 236 * @param array $post_data Optional. Defaults to the $_POST global. 237 * @return int Post ID. 238 */ 239 function edit_post( $post_data = null ) { 240 global $wpdb; 241 242 if ( empty( $post_data ) ) { 243 $post_data = &$_POST; 244 } 245 246 // Clear out any data in internal vars. 247 unset( $post_data['filter'] ); 248 249 $post_ID = (int) $post_data['post_ID']; 250 $post = get_post( $post_ID ); 251 $post_data['post_type'] = $post->post_type; 252 $post_data['post_mime_type'] = $post->post_mime_type; 253 254 if ( ! empty( $post_data['post_status'] ) ) { 255 $post_data['post_status'] = sanitize_key( $post_data['post_status'] ); 256 257 if ( 'inherit' === $post_data['post_status'] ) { 258 unset( $post_data['post_status'] ); 259 } 260 } 261 262 $ptype = get_post_type_object( $post_data['post_type'] ); 263 if ( ! current_user_can( 'edit_post', $post_ID ) ) { 264 if ( 'page' === $post_data['post_type'] ) { 265 wp_die( __( 'Sorry, you are not allowed to edit this page.' ) ); 266 } else { 267 wp_die( __( 'Sorry, you are not allowed to edit this post.' ) ); 268 } 269 } 270 271 if ( post_type_supports( $ptype->name, 'revisions' ) ) { 272 $revisions = wp_get_post_revisions( 273 $post_ID, 274 array( 275 'order' => 'ASC', 276 'posts_per_page' => 1, 277 ) 278 ); 279 $revision = current( $revisions ); 280 281 // Check if the revisions have been upgraded. 282 if ( $revisions && _wp_get_post_revision_version( $revision ) < 1 ) { 283 _wp_upgrade_revisions_of_post( $post, wp_get_post_revisions( $post_ID ) ); 284 } 285 } 286 287 if ( isset( $post_data['visibility'] ) ) { 288 switch ( $post_data['visibility'] ) { 289 case 'public': 290 $post_data['post_password'] = ''; 291 break; 292 case 'password': 293 unset( $post_data['sticky'] ); 294 break; 295 case 'private': 296 $post_data['post_status'] = 'private'; 297 $post_data['post_password'] = ''; 298 unset( $post_data['sticky'] ); 299 break; 300 } 301 } 302 303 $post_data = _wp_translate_postdata( true, $post_data ); 304 if ( is_wp_error( $post_data ) ) { 305 wp_die( $post_data->get_error_message() ); 306 } 307 $translated = _wp_get_allowed_postdata( $post_data ); 308 309 // Post formats. 310 if ( isset( $post_data['post_format'] ) ) { 311 set_post_format( $post_ID, $post_data['post_format'] ); 312 } 313 314 $format_meta_urls = array( 'url', 'link_url', 'quote_source_url' ); 315 foreach ( $format_meta_urls as $format_meta_url ) { 316 $keyed = '_format_' . $format_meta_url; 317 if ( isset( $post_data[ $keyed ] ) ) { 318 update_post_meta( $post_ID, $keyed, wp_slash( esc_url_raw( wp_unslash( $post_data[ $keyed ] ) ) ) ); 319 } 320 } 321 322 $format_keys = array( 'quote', 'quote_source_name', 'image', 'gallery', 'audio_embed', 'video_embed' ); 323 324 foreach ( $format_keys as $key ) { 325 $keyed = '_format_' . $key; 326 if ( isset( $post_data[ $keyed ] ) ) { 327 if ( current_user_can( 'unfiltered_html' ) ) { 328 update_post_meta( $post_ID, $keyed, $post_data[ $keyed ] ); 329 } else { 330 update_post_meta( $post_ID, $keyed, wp_filter_post_kses( $post_data[ $keyed ] ) ); 331 } 332 } 333 } 334 335 if ( 'attachment' === $post_data['post_type'] && preg_match( '#^(audio|video)/#', $post_data['post_mime_type'] ) ) { 336 $id3data = wp_get_attachment_metadata( $post_ID ); 337 if ( ! is_array( $id3data ) ) { 338 $id3data = array(); 339 } 340 341 foreach ( wp_get_attachment_id3_keys( $post, 'edit' ) as $key => $label ) { 342 if ( isset( $post_data[ 'id3_' . $key ] ) ) { 343 $id3data[ $key ] = sanitize_text_field( wp_unslash( $post_data[ 'id3_' . $key ] ) ); 344 } 345 } 346 wp_update_attachment_metadata( $post_ID, $id3data ); 347 } 348 349 // Meta stuff. 350 if ( isset( $post_data['meta'] ) && $post_data['meta'] ) { 351 foreach ( $post_data['meta'] as $key => $value ) { 352 $meta = get_post_meta_by_id( $key ); 353 if ( ! $meta ) { 354 continue; 355 } 356 if ( $meta->post_id != $post_ID ) { 357 continue; 358 } 359 if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $meta->meta_key ) ) { 360 continue; 361 } 362 if ( is_protected_meta( $value['key'], 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $value['key'] ) ) { 363 continue; 364 } 365 update_meta( $key, $value['key'], $value['value'] ); 366 } 367 } 368 369 if ( isset( $post_data['deletemeta'] ) && $post_data['deletemeta'] ) { 370 foreach ( $post_data['deletemeta'] as $key => $value ) { 371 $meta = get_post_meta_by_id( $key ); 372 if ( ! $meta ) { 373 continue; 374 } 375 if ( $meta->post_id != $post_ID ) { 376 continue; 377 } 378 if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $post_ID, $meta->meta_key ) ) { 379 continue; 380 } 381 delete_meta( $key ); 382 } 383 } 384 385 // Attachment stuff. 386 if ( 'attachment' === $post_data['post_type'] ) { 387 if ( isset( $post_data['_wp_attachment_image_alt'] ) ) { 388 $image_alt = wp_unslash( $post_data['_wp_attachment_image_alt'] ); 389 390 if ( get_post_meta( $post_ID, '_wp_attachment_image_alt', true ) !== $image_alt ) { 391 $image_alt = wp_strip_all_tags( $image_alt, true ); 392 393 // update_post_meta() expects slashed. 394 update_post_meta( $post_ID, '_wp_attachment_image_alt', wp_slash( $image_alt ) ); 395 } 396 } 397 398 $attachment_data = isset( $post_data['attachments'][ $post_ID ] ) ? $post_data['attachments'][ $post_ID ] : array(); 399 400 /** This filter is documented in wp-admin/includes/media.php */ 401 $translated = apply_filters( 'attachment_fields_to_save', $translated, $attachment_data ); 402 } 403 404 // Convert taxonomy input to term IDs, to avoid ambiguity. 405 if ( isset( $post_data['tax_input'] ) ) { 406 foreach ( (array) $post_data['tax_input'] as $taxonomy => $terms ) { 407 $tax_object = get_taxonomy( $taxonomy ); 408 409 if ( $tax_object && isset( $tax_object->meta_box_sanitize_cb ) ) { 410 $translated['tax_input'][ $taxonomy ] = call_user_func_array( $tax_object->meta_box_sanitize_cb, array( $taxonomy, $terms ) ); 411 } 412 } 413 } 414 415 add_meta( $post_ID ); 416 417 update_post_meta( $post_ID, '_edit_last', get_current_user_id() ); 418 419 $success = wp_update_post( $translated ); 420 421 // If the save failed, see if we can sanity check the main fields and try again. 422 if ( ! $success && is_callable( array( $wpdb, 'strip_invalid_text_for_column' ) ) ) { 423 $fields = array( 'post_title', 'post_content', 'post_excerpt' ); 424 425 foreach ( $fields as $field ) { 426 if ( isset( $translated[ $field ] ) ) { 427 $translated[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->posts, $field, $translated[ $field ] ); 428 } 429 } 430 431 wp_update_post( $translated ); 432 } 433 434 // Now that we have an ID we can fix any attachment anchor hrefs. 435 _fix_attachment_links( $post_ID ); 436 437 wp_set_post_lock( $post_ID ); 438 439 if ( current_user_can( $ptype->cap->edit_others_posts ) && current_user_can( $ptype->cap->publish_posts ) ) { 440 if ( ! empty( $post_data['sticky'] ) ) { 441 stick_post( $post_ID ); 442 } else { 443 unstick_post( $post_ID ); 444 } 445 } 446 447 return $post_ID; 448 } 449 450 /** 451 * Process the post data for the bulk editing of posts. 452 * 453 * Updates all bulk edited posts/pages, adding (but not removing) tags and 454 * categories. Skips pages when they would be their own parent or child. 455 * 456 * @since 2.7.0 457 * 458 * @global wpdb $wpdb WordPress database abstraction object. 459 * 460 * @param array $post_data Optional, the array of post data to process if not provided will use $_POST superglobal. 461 * @return array 462 */ 463 function bulk_edit_posts( $post_data = null ) { 464 global $wpdb; 465 466 if ( empty( $post_data ) ) { 467 $post_data = &$_POST; 468 } 469 470 if ( isset( $post_data['post_type'] ) ) { 471 $ptype = get_post_type_object( $post_data['post_type'] ); 472 } else { 473 $ptype = get_post_type_object( 'post' ); 474 } 475 476 if ( ! current_user_can( $ptype->cap->edit_posts ) ) { 477 if ( 'page' === $ptype->name ) { 478 wp_die( __( 'Sorry, you are not allowed to edit pages.' ) ); 479 } else { 480 wp_die( __( 'Sorry, you are not allowed to edit posts.' ) ); 481 } 482 } 483 484 if ( -1 == $post_data['_status'] ) { 485 $post_data['post_status'] = null; 486 unset( $post_data['post_status'] ); 487 } else { 488 $post_data['post_status'] = $post_data['_status']; 489 } 490 unset( $post_data['_status'] ); 491 492 if ( ! empty( $post_data['post_status'] ) ) { 493 $post_data['post_status'] = sanitize_key( $post_data['post_status'] ); 494 495 if ( 'inherit' === $post_data['post_status'] ) { 496 unset( $post_data['post_status'] ); 497 } 498 } 499 500 $post_IDs = array_map( 'intval', (array) $post_data['post'] ); 501 502 $reset = array( 503 'post_author', 504 'post_status', 505 'post_password', 506 'post_parent', 507 'page_template', 508 'comment_status', 509 'ping_status', 510 'keep_private', 511 'tax_input', 512 'post_category', 513 'sticky', 514 'post_format', 515 ); 516 517 foreach ( $reset as $field ) { 518 if ( isset( $post_data[ $field ] ) && ( '' === $post_data[ $field ] || -1 == $post_data[ $field ] ) ) { 519 unset( $post_data[ $field ] ); 520 } 521 } 522 523 if ( isset( $post_data['post_category'] ) ) { 524 if ( is_array( $post_data['post_category'] ) && ! empty( $post_data['post_category'] ) ) { 525 $new_cats = array_map( 'absint', $post_data['post_category'] ); 526 } else { 527 unset( $post_data['post_category'] ); 528 } 529 } 530 531 $tax_input = array(); 532 if ( isset( $post_data['tax_input'] ) ) { 533 foreach ( $post_data['tax_input'] as $tax_name => $terms ) { 534 if ( empty( $terms ) ) { 535 continue; 536 } 537 if ( is_taxonomy_hierarchical( $tax_name ) ) { 538 $tax_input[ $tax_name ] = array_map( 'absint', $terms ); 539 } else { 540 $comma = _x( ',', 'tag delimiter' ); 541 if ( ',' !== $comma ) { 542 $terms = str_replace( $comma, ',', $terms ); 543 } 544 $tax_input[ $tax_name ] = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) ); 545 } 546 } 547 } 548 549 if ( isset( $post_data['post_parent'] ) && (int) $post_data['post_parent'] ) { 550 $parent = (int) $post_data['post_parent']; 551 $pages = $wpdb->get_results( "SELECT ID, post_parent FROM $wpdb->posts WHERE post_type = 'page'" ); 552 $children = array(); 553 554 for ( $i = 0; $i < 50 && $parent > 0; $i++ ) { 555 $children[] = $parent; 556 557 foreach ( $pages as $page ) { 558 if ( (int) $page->ID === $parent ) { 559 $parent = (int) $page->post_parent; 560 break; 561 } 562 } 563 } 564 } 565 566 $updated = array(); 567 $skipped = array(); 568 $locked = array(); 569 $shared_post_data = $post_data; 570 571 foreach ( $post_IDs as $post_ID ) { 572 // Start with fresh post data with each iteration. 573 $post_data = $shared_post_data; 574 575 $post_type_object = get_post_type_object( get_post_type( $post_ID ) ); 576 577 if ( ! isset( $post_type_object ) 578 || ( isset( $children ) && in_array( $post_ID, $children, true ) ) 579 || ! current_user_can( 'edit_post', $post_ID ) 580 ) { 581 $skipped[] = $post_ID; 582 continue; 583 } 584 585 if ( wp_check_post_lock( $post_ID ) ) { 586 $locked[] = $post_ID; 587 continue; 588 } 589 590 $post = get_post( $post_ID ); 591 $tax_names = get_object_taxonomies( $post ); 592 foreach ( $tax_names as $tax_name ) { 593 $taxonomy_obj = get_taxonomy( $tax_name ); 594 if ( isset( $tax_input[ $tax_name ] ) && current_user_can( $taxonomy_obj->cap->assign_terms ) ) { 595 $new_terms = $tax_input[ $tax_name ]; 596 } else { 597 $new_terms = array(); 598 } 599 600 if ( $taxonomy_obj->hierarchical ) { 601 $current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array( 'fields' => 'ids' ) ); 602 } else { 603 $current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array( 'fields' => 'names' ) ); 604 } 605 606 $post_data['tax_input'][ $tax_name ] = array_merge( $current_terms, $new_terms ); 607 } 608 609 if ( isset( $new_cats ) && in_array( 'category', $tax_names, true ) ) { 610 $cats = (array) wp_get_post_categories( $post_ID ); 611 $post_data['post_category'] = array_unique( array_merge( $cats, $new_cats ) ); 612 unset( $post_data['tax_input']['category'] ); 613 } 614 615 $post_data['post_ID'] = $post_ID; 616 $post_data['post_type'] = $post->post_type; 617 $post_data['post_mime_type'] = $post->post_mime_type; 618 619 foreach ( array( 'comment_status', 'ping_status', 'post_author' ) as $field ) { 620 if ( ! isset( $post_data[ $field ] ) ) { 621 $post_data[ $field ] = $post->$field; 622 } 623 } 624 625 $post_data = _wp_translate_postdata( true, $post_data ); 626 if ( is_wp_error( $post_data ) ) { 627 $skipped[] = $post_ID; 628 continue; 629 } 630 $post_data = _wp_get_allowed_postdata( $post_data ); 631 632 if ( isset( $shared_post_data['post_format'] ) ) { 633 set_post_format( $post_ID, $shared_post_data['post_format'] ); 634 } 635 636 // Prevent wp_insert_post() from overwriting post format with the old data. 637 unset( $post_data['tax_input']['post_format'] ); 638 639 $updated[] = wp_update_post( $post_data ); 640 641 if ( isset( $post_data['sticky'] ) && current_user_can( $ptype->cap->edit_others_posts ) ) { 642 if ( 'sticky' === $post_data['sticky'] ) { 643 stick_post( $post_ID ); 644 } else { 645 unstick_post( $post_ID ); 646 } 647 } 648 } 649 650 return array( 651 'updated' => $updated, 652 'skipped' => $skipped, 653 'locked' => $locked, 654 ); 655 } 656 657 /** 658 * Default post information to use when populating the "Write Post" form. 659 * 660 * @since 2.0.0 661 * 662 * @param string $post_type Optional. A post type string. Default 'post'. 663 * @param bool $create_in_db Optional. Whether to insert the post into database. Default false. 664 * @return WP_Post Post object containing all the default post data as attributes 665 */ 666 function get_default_post_to_edit( $post_type = 'post', $create_in_db = false ) { 667 $post_title = ''; 668 if ( ! empty( $_REQUEST['post_title'] ) ) { 669 $post_title = esc_html( wp_unslash( $_REQUEST['post_title'] ) ); 670 } 671 672 $post_content = ''; 673 if ( ! empty( $_REQUEST['content'] ) ) { 674 $post_content = esc_html( wp_unslash( $_REQUEST['content'] ) ); 675 } 676 677 $post_excerpt = ''; 678 if ( ! empty( $_REQUEST['excerpt'] ) ) { 679 $post_excerpt = esc_html( wp_unslash( $_REQUEST['excerpt'] ) ); 680 } 681 682 if ( $create_in_db ) { 683 if ( post_type_supports( $post_type, 'title' ) ) { 684 $default_title = __( 'Auto Draft' ); 685 } else { 686 $default_title = __( '(no title supported)' ); 687 } 688 689 $post_id = wp_insert_post( 690 array( 691 'post_title' => $default_title, 692 'post_type' => $post_type, 693 'post_status' => 'auto-draft', 694 ), 695 false, 696 true 697 ); 698 $post = get_post( $post_id ); 699 700 if ( current_theme_supports( 'post-formats' ) 701 && post_type_supports( $post->post_type, 'post-formats' ) 702 && get_option( 'default_post_format' ) 703 ) { 704 set_post_format( $post, get_option( 'default_post_format' ) ); 705 } 706 707 wp_after_insert_post( $post, false ); 708 709 // Schedule auto-draft cleanup. 710 if ( ! wp_next_scheduled( 'wp_scheduled_auto_draft_delete' ) ) { 711 wp_schedule_event( time(), 'daily', 'wp_scheduled_auto_draft_delete' ); 712 } 713 } else { 714 $post = new stdClass; 715 $post->ID = 0; 716 $post->post_author = ''; 717 $post->post_date = ''; 718 $post->post_date_gmt = ''; 719 $post->post_password = ''; 720 $post->post_name = ''; 721 $post->post_type = $post_type; 722 $post->post_status = 'draft'; 723 $post->to_ping = ''; 724 $post->pinged = ''; 725 $post->comment_status = get_default_comment_status( $post_type ); 726 $post->ping_status = get_default_comment_status( $post_type, 'pingback' ); 727 $post->post_pingback = get_option( 'default_pingback_flag' ); 728 $post->post_category = get_option( 'default_category' ); 729 $post->page_template = 'default'; 730 $post->post_parent = 0; 731 $post->menu_order = 0; 732 $post = new WP_Post( $post ); 733 } 734 735 /** 736 * Filters the default post content initially used in the "Write Post" form. 737 * 738 * @since 1.5.0 739 * 740 * @param string $post_content Default post content. 741 * @param WP_Post $post Post object. 742 */ 743 $post->post_content = (string) apply_filters( 'default_content', $post_content, $post ); 744 745 /** 746 * Filters the default post title initially used in the "Write Post" form. 747 * 748 * @since 1.5.0 749 * 750 * @param string $post_title Default post title. 751 * @param WP_Post $post Post object. 752 */ 753 $post->post_title = (string) apply_filters( 'default_title', $post_title, $post ); 754 755 /** 756 * Filters the default post excerpt initially used in the "Write Post" form. 757 * 758 * @since 1.5.0 759 * 760 * @param string $post_excerpt Default post excerpt. 761 * @param WP_Post $post Post object. 762 */ 763 $post->post_excerpt = (string) apply_filters( 'default_excerpt', $post_excerpt, $post ); 764 765 return $post; 766 } 767 768 /** 769 * Determines if a post exists based on title, content, date and type. 770 * 771 * @since 2.0.0 772 * @since 5.2.0 Added the `$type` parameter. 773 * 774 * @global wpdb $wpdb WordPress database abstraction object. 775 * 776 * @param string $title Post title. 777 * @param string $content Optional post content. 778 * @param string $date Optional post date. 779 * @param string $type Optional post type. 780 * @return int Post ID if post exists, 0 otherwise. 781 */ 782 function post_exists( $title, $content = '', $date = '', $type = '' ) { 783 global $wpdb; 784 785 $post_title = wp_unslash( sanitize_post_field( 'post_title', $title, 0, 'db' ) ); 786 $post_content = wp_unslash( sanitize_post_field( 'post_content', $content, 0, 'db' ) ); 787 $post_date = wp_unslash( sanitize_post_field( 'post_date', $date, 0, 'db' ) ); 788 $post_type = wp_unslash( sanitize_post_field( 'post_type', $type, 0, 'db' ) ); 789 790 $query = "SELECT ID FROM $wpdb->posts WHERE 1=1"; 791 $args = array(); 792 793 if ( ! empty( $date ) ) { 794 $query .= ' AND post_date = %s'; 795 $args[] = $post_date; 796 } 797 798 if ( ! empty( $title ) ) { 799 $query .= ' AND post_title = %s'; 800 $args[] = $post_title; 801 } 802 803 if ( ! empty( $content ) ) { 804 $query .= ' AND post_content = %s'; 805 $args[] = $post_content; 806 } 807 808 if ( ! empty( $type ) ) { 809 $query .= ' AND post_type = %s'; 810 $args[] = $post_type; 811 } 812 813 if ( ! empty( $args ) ) { 814 return (int) $wpdb->get_var( $wpdb->prepare( $query, $args ) ); 815 } 816 817 return 0; 818 } 819 820 /** 821 * Creates a new post from the "Write Post" form using $_POST information. 822 * 823 * @since 2.1.0 824 * 825 * @global WP_User $current_user 826 * 827 * @return int|WP_Error 828 */ 829 function wp_write_post() { 830 if ( isset( $_POST['post_type'] ) ) { 831 $ptype = get_post_type_object( $_POST['post_type'] ); 832 } else { 833 $ptype = get_post_type_object( 'post' ); 834 } 835 836 if ( ! current_user_can( $ptype->cap->edit_posts ) ) { 837 if ( 'page' === $ptype->name ) { 838 return new WP_Error( 'edit_pages', __( 'Sorry, you are not allowed to create pages on this site.' ) ); 839 } else { 840 return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to create posts or drafts on this site.' ) ); 841 } 842 } 843 844 $_POST['post_mime_type'] = ''; 845 846 // Clear out any data in internal vars. 847 unset( $_POST['filter'] ); 848 849 // Edit, don't write, if we have a post ID. 850 if ( isset( $_POST['post_ID'] ) ) { 851 return edit_post(); 852 } 853 854 if ( isset( $_POST['visibility'] ) ) { 855 switch ( $_POST['visibility'] ) { 856 case 'public': 857 $_POST['post_password'] = ''; 858 break; 859 case 'password': 860 unset( $_POST['sticky'] ); 861 break; 862 case 'private': 863 $_POST['post_status'] = 'private'; 864 $_POST['post_password'] = ''; 865 unset( $_POST['sticky'] ); 866 break; 867 } 868 } 869 870 $translated = _wp_translate_postdata( false ); 871 if ( is_wp_error( $translated ) ) { 872 return $translated; 873 } 874 $translated = _wp_get_allowed_postdata( $translated ); 875 876 // Create the post. 877 $post_ID = wp_insert_post( $translated ); 878 if ( is_wp_error( $post_ID ) ) { 879 return $post_ID; 880 } 881 882 if ( empty( $post_ID ) ) { 883 return 0; 884 } 885 886 add_meta( $post_ID ); 887 888 add_post_meta( $post_ID, '_edit_last', $GLOBALS['current_user']->ID ); 889 890 // Now that we have an ID we can fix any attachment anchor hrefs. 891 _fix_attachment_links( $post_ID ); 892 893 wp_set_post_lock( $post_ID ); 894 895 return $post_ID; 896 } 897 898 /** 899 * Calls wp_write_post() and handles the errors. 900 * 901 * @since 2.0.0 902 * 903 * @return int|null 904 */ 905 function write_post() { 906 $result = wp_write_post(); 907 if ( is_wp_error( $result ) ) { 908 wp_die( $result->get_error_message() ); 909 } else { 910 return $result; 911 } 912 } 913 914 // 915 // Post Meta. 916 // 917 918 /** 919 * Add post meta data defined in $_POST superglobal for post with given ID. 920 * 921 * @since 1.2.0 922 * 923 * @param int $post_ID 924 * @return int|bool 925 */ 926 function add_meta( $post_ID ) { 927 $post_ID = (int) $post_ID; 928 929 $metakeyselect = isset( $_POST['metakeyselect'] ) ? wp_unslash( trim( $_POST['metakeyselect'] ) ) : ''; 930 $metakeyinput = isset( $_POST['metakeyinput'] ) ? wp_unslash( trim( $_POST['metakeyinput'] ) ) : ''; 931 $metavalue = isset( $_POST['metavalue'] ) ? $_POST['metavalue'] : ''; 932 if ( is_string( $metavalue ) ) { 933 $metavalue = trim( $metavalue ); 934 } 935 936 if ( ( ( '#NONE#' !== $metakeyselect ) && ! empty( $metakeyselect ) ) || ! empty( $metakeyinput ) ) { 937 /* 938 * We have a key/value pair. If both the select and the input 939 * for the key have data, the input takes precedence. 940 */ 941 if ( '#NONE#' !== $metakeyselect ) { 942 $metakey = $metakeyselect; 943 } 944 945 if ( $metakeyinput ) { 946 $metakey = $metakeyinput; // Default. 947 } 948 949 if ( is_protected_meta( $metakey, 'post' ) || ! current_user_can( 'add_post_meta', $post_ID, $metakey ) ) { 950 return false; 951 } 952 953 $metakey = wp_slash( $metakey ); 954 955 return add_post_meta( $post_ID, $metakey, $metavalue ); 956 } 957 958 return false; 959 } 960 961 /** 962 * Delete post meta data by meta ID. 963 * 964 * @since 1.2.0 965 * 966 * @param int $mid 967 * @return bool 968 */ 969 function delete_meta( $mid ) { 970 return delete_metadata_by_mid( 'post', $mid ); 971 } 972 973 /** 974 * Get a list of previously defined keys. 975 * 976 * @since 1.2.0 977 * 978 * @global wpdb $wpdb WordPress database abstraction object. 979 * 980 * @return mixed 981 */ 982 function get_meta_keys() { 983 global $wpdb; 984 985 $keys = $wpdb->get_col( 986 " 987 SELECT meta_key 988 FROM $wpdb->postmeta 989 GROUP BY meta_key 990 ORDER BY meta_key" 991 ); 992 993 return $keys; 994 } 995 996 /** 997 * Get post meta data by meta ID. 998 * 999 * @since 2.1.0 1000 * 1001 * @param int $mid 1002 * @return object|bool 1003 */ 1004 function get_post_meta_by_id( $mid ) { 1005 return get_metadata_by_mid( 'post', $mid ); 1006 } 1007 1008 /** 1009 * Get meta data for the given post ID. 1010 * 1011 * @since 1.2.0 1012 * 1013 * @global wpdb $wpdb WordPress database abstraction object. 1014 * 1015 * @param int $postid 1016 * @return mixed 1017 */ 1018 function has_meta( $postid ) { 1019 global $wpdb; 1020 1021 return $wpdb->get_results( 1022 $wpdb->prepare( 1023 "SELECT meta_key, meta_value, meta_id, post_id 1024 FROM $wpdb->postmeta WHERE post_id = %d 1025 ORDER BY meta_key,meta_id", 1026 $postid 1027 ), 1028 ARRAY_A 1029 ); 1030 } 1031 1032 /** 1033 * Update post meta data by meta ID. 1034 * 1035 * @since 1.2.0 1036 * 1037 * @param int $meta_id 1038 * @param string $meta_key Expect Slashed 1039 * @param string $meta_value Expect Slashed 1040 * @return bool 1041 */ 1042 function update_meta( $meta_id, $meta_key, $meta_value ) { 1043 $meta_key = wp_unslash( $meta_key ); 1044 $meta_value = wp_unslash( $meta_value ); 1045 1046 return update_metadata_by_mid( 'post', $meta_id, $meta_value, $meta_key ); 1047 } 1048 1049 // 1050 // Private. 1051 // 1052 1053 /** 1054 * Replace hrefs of attachment anchors with up-to-date permalinks. 1055 * 1056 * @since 2.3.0 1057 * @access private 1058 * 1059 * @param int|object $post Post ID or post object. 1060 * @return void|int|WP_Error Void if nothing fixed. 0 or WP_Error on update failure. The post ID on update success. 1061 */ 1062 function _fix_attachment_links( $post ) { 1063 $post = get_post( $post, ARRAY_A ); 1064 $content = $post['post_content']; 1065 1066 // Don't run if no pretty permalinks or post is not published, scheduled, or privately published. 1067 if ( ! get_option( 'permalink_structure' ) || ! in_array( $post['post_status'], array( 'publish', 'future', 'private' ), true ) ) { 1068 return; 1069 } 1070 1071 // Short if there aren't any links or no '?attachment_id=' strings (strpos cannot be zero). 1072 if ( ! strpos( $content, '?attachment_id=' ) || ! preg_match_all( '/<a ([^>]+)>[\s\S]+?<\/a>/', $content, $link_matches ) ) { 1073 return; 1074 } 1075 1076 $site_url = get_bloginfo( 'url' ); 1077 $site_url = substr( $site_url, (int) strpos( $site_url, '://' ) ); // Remove the http(s). 1078 $replace = ''; 1079 1080 foreach ( $link_matches[1] as $key => $value ) { 1081 if ( ! strpos( $value, '?attachment_id=' ) || ! strpos( $value, 'wp-att-' ) 1082 || ! preg_match( '/href=(["\'])[^"\']*\?attachment_id=(\d+)[^"\']*\\1/', $value, $url_match ) 1083 || ! preg_match( '/rel=["\'][^"\']*wp-att-(\d+)/', $value, $rel_match ) ) { 1084 continue; 1085 } 1086 1087 $quote = $url_match[1]; // The quote (single or double). 1088 $url_id = (int) $url_match[2]; 1089 $rel_id = (int) $rel_match[1]; 1090 1091 if ( ! $url_id || ! $rel_id || $url_id != $rel_id || strpos( $url_match[0], $site_url ) === false ) { 1092 continue; 1093 } 1094 1095 $link = $link_matches[0][ $key ]; 1096 $replace = str_replace( $url_match[0], 'href=' . $quote . get_attachment_link( $url_id ) . $quote, $link ); 1097 1098 $content = str_replace( $link, $replace, $content ); 1099 } 1100 1101 if ( $replace ) { 1102 $post['post_content'] = $content; 1103 // Escape data pulled from DB. 1104 $post = add_magic_quotes( $post ); 1105 1106 return wp_update_post( $post ); 1107 } 1108 } 1109 1110 /** 1111 * Get all the possible statuses for a post_type 1112 * 1113 * @since 2.5.0 1114 * 1115 * @param string $type The post_type you want the statuses for. Default 'post'. 1116 * @return string[] An array of all the statuses for the supplied post type. 1117 */ 1118 function get_available_post_statuses( $type = 'post' ) { 1119 $stati = wp_count_posts( $type ); 1120 1121 return array_keys( get_object_vars( $stati ) ); 1122 } 1123 1124 /** 1125 * Run the wp query to fetch the posts for listing on the edit posts page 1126 * 1127 * @since 2.5.0 1128 * 1129 * @param array|bool $q Array of query variables to use to build the query or false to use $_GET superglobal. 1130 * @return array 1131 */ 1132 function wp_edit_posts_query( $q = false ) { 1133 if ( false === $q ) { 1134 $q = $_GET; 1135 } 1136 $q['m'] = isset( $q['m'] ) ? (int) $q['m'] : 0; 1137 $q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0; 1138 $post_stati = get_post_stati(); 1139 1140 if ( isset( $q['post_type'] ) && in_array( $q['post_type'], get_post_types(), true ) ) { 1141 $post_type = $q['post_type']; 1142 } else { 1143 $post_type = 'post'; 1144 } 1145 1146 $avail_post_stati = get_available_post_statuses( $post_type ); 1147 $post_status = ''; 1148 $perm = ''; 1149 1150 if ( isset( $q['post_status'] ) && in_array( $q['post_status'], $post_stati, true ) ) { 1151 $post_status = $q['post_status']; 1152 $perm = 'readable'; 1153 } 1154 1155 $orderby = ''; 1156 1157 if ( isset( $q['orderby'] ) ) { 1158 $orderby = $q['orderby']; 1159 } elseif ( isset( $q['post_status'] ) && in_array( $q['post_status'], array( 'pending', 'draft' ), true ) ) { 1160 $orderby = 'modified'; 1161 } 1162 1163 $order = ''; 1164 1165 if ( isset( $q['order'] ) ) { 1166 $order = $q['order']; 1167 } elseif ( isset( $q['post_status'] ) && 'pending' === $q['post_status'] ) { 1168 $order = 'ASC'; 1169 } 1170 1171 $per_page = "edit_{$post_type}_per_page"; 1172 $posts_per_page = (int) get_user_option( $per_page ); 1173 if ( empty( $posts_per_page ) || $posts_per_page < 1 ) { 1174 $posts_per_page = 20; 1175 } 1176 1177 /** 1178 * Filters the number of items per page to show for a specific 'per_page' type. 1179 * 1180 * The dynamic portion of the hook name, `$post_type`, refers to the post type. 1181 * 1182 * Some examples of filter hooks generated here include: 'edit_attachment_per_page', 1183 * 'edit_post_per_page', 'edit_page_per_page', etc. 1184 * 1185 * @since 3.0.0 1186 * 1187 * @param int $posts_per_page Number of posts to display per page for the given post 1188 * type. Default 20. 1189 */ 1190 $posts_per_page = apply_filters( "edit_{$post_type}_per_page", $posts_per_page ); 1191 1192 /** 1193 * Filters the number of posts displayed per page when specifically listing "posts". 1194 * 1195 * @since 2.8.0 1196 * 1197 * @param int $posts_per_page Number of posts to be displayed. Default 20. 1198 * @param string $post_type The post type. 1199 */ 1200 $posts_per_page = apply_filters( 'edit_posts_per_page', $posts_per_page, $post_type ); 1201 1202 $query = compact( 'post_type', 'post_status', 'perm', 'order', 'orderby', 'posts_per_page' ); 1203 1204 // Hierarchical types require special args. 1205 if ( is_post_type_hierarchical( $post_type ) && empty( $orderby ) ) { 1206 $query['orderby'] = 'menu_order title'; 1207 $query['order'] = 'asc'; 1208 $query['posts_per_page'] = -1; 1209 $query['posts_per_archive_page'] = -1; 1210 $query['fields'] = 'id=>parent'; 1211 } 1212 1213 if ( ! empty( $q['show_sticky'] ) ) { 1214 $query['post__in'] = (array) get_option( 'sticky_posts' ); 1215 } 1216 1217 wp( $query ); 1218 1219 return $avail_post_stati; 1220 } 1221 1222 /** 1223 * Get the query variables for the current attachments request. 1224 * 1225 * @since 4.2.0 1226 * 1227 * @param array|false $q Optional. Array of query variables to use to build the query or false 1228 * to use $_GET superglobal. Default false. 1229 * @return array The parsed query vars. 1230 */ 1231 function wp_edit_attachments_query_vars( $q = false ) { 1232 if ( false === $q ) { 1233 $q = $_GET; 1234 } 1235 $q['m'] = isset( $q['m'] ) ? (int) $q['m'] : 0; 1236 $q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0; 1237 $q['post_type'] = 'attachment'; 1238 $post_type = get_post_type_object( 'attachment' ); 1239 $states = 'inherit'; 1240 if ( current_user_can( $post_type->cap->read_private_posts ) ) { 1241 $states .= ',private'; 1242 } 1243 1244 $q['post_status'] = isset( $q['status'] ) && 'trash' === $q['status'] ? 'trash' : $states; 1245 $q['post_status'] = isset( $q['attachment-filter'] ) && 'trash' === $q['attachment-filter'] ? 'trash' : $states; 1246 1247 $media_per_page = (int) get_user_option( 'upload_per_page' ); 1248 if ( empty( $media_per_page ) || $media_per_page < 1 ) { 1249 $media_per_page = 20; 1250 } 1251 1252 /** 1253 * Filters the number of items to list per page when listing media items. 1254 * 1255 * @since 2.9.0 1256 * 1257 * @param int $media_per_page Number of media to list. Default 20. 1258 */ 1259 $q['posts_per_page'] = apply_filters( 'upload_per_page', $media_per_page ); 1260 1261 $post_mime_types = get_post_mime_types(); 1262 if ( isset( $q['post_mime_type'] ) && ! array_intersect( (array) $q['post_mime_type'], array_keys( $post_mime_types ) ) ) { 1263 unset( $q['post_mime_type'] ); 1264 } 1265 1266 foreach ( array_keys( $post_mime_types ) as $type ) { 1267 if ( isset( $q['attachment-filter'] ) && "post_mime_type:$type" === $q['attachment-filter'] ) { 1268 $q['post_mime_type'] = $type; 1269 break; 1270 } 1271 } 1272 1273 if ( isset( $q['detached'] ) || ( isset( $q['attachment-filter'] ) && 'detached' === $q['attachment-filter'] ) ) { 1274 $q['post_parent'] = 0; 1275 } 1276 1277 if ( isset( $q['mine'] ) || ( isset( $q['attachment-filter'] ) && 'mine' === $q['attachment-filter'] ) ) { 1278 $q['author'] = get_current_user_id(); 1279 } 1280 1281 // Filter query clauses to include filenames. 1282 if ( isset( $q['s'] ) ) { 1283 add_filter( 'posts_clauses', '_filter_query_attachment_filenames' ); 1284 } 1285 1286 return $q; 1287 } 1288 1289 /** 1290 * Executes a query for attachments. An array of WP_Query arguments 1291 * can be passed in, which will override the arguments set by this function. 1292 * 1293 * @since 2.5.0 1294 * 1295 * @param array|false $q Array of query variables to use to build the query or false to use $_GET superglobal. 1296 * @return array 1297 */ 1298 function wp_edit_attachments_query( $q = false ) { 1299 wp( wp_edit_attachments_query_vars( $q ) ); 1300 1301 $post_mime_types = get_post_mime_types(); 1302 $avail_post_mime_types = get_available_post_mime_types( 'attachment' ); 1303 1304 return array( $post_mime_types, $avail_post_mime_types ); 1305 } 1306 1307 /** 1308 * Returns the list of classes to be used by a meta box. 1309 * 1310 * @since 2.5.0 1311 * 1312 * @param string $box_id Meta box ID (used in the 'id' attribute for the meta box). 1313 * @param string $screen_id The screen on which the meta box is shown. 1314 * @return string Space-separated string of class names. 1315 */ 1316 function postbox_classes( $box_id, $screen_id ) { 1317 if ( isset( $_GET['edit'] ) && $_GET['edit'] == $box_id ) { 1318 $classes = array( '' ); 1319 } elseif ( get_user_option( 'closedpostboxes_' . $screen_id ) ) { 1320 $closed = get_user_option( 'closedpostboxes_' . $screen_id ); 1321 if ( ! is_array( $closed ) ) { 1322 $classes = array( '' ); 1323 } else { 1324 $classes = in_array( $box_id, $closed, true ) ? array( 'closed' ) : array( '' ); 1325 } 1326 } else { 1327 $classes = array( '' ); 1328 } 1329 1330 /** 1331 * Filters the postbox classes for a specific screen and box ID combo. 1332 * 1333 * The dynamic portions of the hook name, `$screen_id` and `$box_id`, refer to 1334 * the screen ID and meta box ID, respectively. 1335 * 1336 * @since 3.2.0 1337 * 1338 * @param string[] $classes An array of postbox classes. 1339 */ 1340 $classes = apply_filters( "postbox_classes_{$screen_id}_{$box_id}", $classes ); 1341 return implode( ' ', $classes ); 1342 } 1343 1344 /** 1345 * Get a sample permalink based off of the post name. 1346 * 1347 * @since 2.5.0 1348 * 1349 * @param int $id Post ID or post object. 1350 * @param string $title Optional. Title to override the post's current title when generating the post name. Default null. 1351 * @param string $name Optional. Name to override the post name. Default null. 1352 * @return array { 1353 * Array containing the sample permalink with placeholder for the post name, and the post name. 1354 * 1355 * @type string $0 The permalink with placeholder for the post name. 1356 * @type string $1 The post name. 1357 * } 1358 */ 1359 function get_sample_permalink( $id, $title = null, $name = null ) { 1360 $post = get_post( $id ); 1361 if ( ! $post ) { 1362 return array( '', '' ); 1363 } 1364 1365 $ptype = get_post_type_object( $post->post_type ); 1366 1367 $original_status = $post->post_status; 1368 $original_date = $post->post_date; 1369 $original_name = $post->post_name; 1370 1371 // Hack: get_permalink() would return ugly permalink for drafts, so we will fake that our post is published. 1372 if ( in_array( $post->post_status, array( 'draft', 'pending', 'future' ), true ) ) { 1373 $post->post_status = 'publish'; 1374 $post->post_name = sanitize_title( $post->post_name ? $post->post_name : $post->post_title, $post->ID ); 1375 } 1376 1377 // If the user wants to set a new name -- override the current one. 1378 // Note: if empty name is supplied -- use the title instead, see #6072. 1379 if ( ! is_null( $name ) ) { 1380 $post->post_name = sanitize_title( $name ? $name : $title, $post->ID ); 1381 } 1382 1383 $post->post_name = wp_unique_post_slug( $post->post_name, $post->ID, $post->post_status, $post->post_type, $post->post_parent ); 1384 1385 $post->filter = 'sample'; 1386 1387 $permalink = get_permalink( $post, true ); 1388 1389 // Replace custom post_type token with generic pagename token for ease of use. 1390 $permalink = str_replace( "%$post->post_type%", '%pagename%', $permalink ); 1391 1392 // Handle page hierarchy. 1393 if ( $ptype->hierarchical ) { 1394 $uri = get_page_uri( $post ); 1395 if ( $uri ) { 1396 $uri = untrailingslashit( $uri ); 1397 $uri = strrev( stristr( strrev( $uri ), '/' ) ); 1398 $uri = untrailingslashit( $uri ); 1399 } 1400 1401 /** This filter is documented in wp-admin/edit-tag-form.php */ 1402 $uri = apply_filters( 'editable_slug', $uri, $post ); 1403 if ( ! empty( $uri ) ) { 1404 $uri .= '/'; 1405 } 1406 $permalink = str_replace( '%pagename%', "{$uri}%pagename%", $permalink ); 1407 } 1408 1409 /** This filter is documented in wp-admin/edit-tag-form.php */ 1410 $permalink = array( $permalink, apply_filters( 'editable_slug', $post->post_name, $post ) ); 1411 $post->post_status = $original_status; 1412 $post->post_date = $original_date; 1413 $post->post_name = $original_name; 1414 unset( $post->filter ); 1415 1416 /** 1417 * Filters the sample permalink. 1418 * 1419 * @since 4.4.0 1420 * 1421 * @param array $permalink { 1422 * Array containing the sample permalink with placeholder for the post name, and the post name. 1423 * 1424 * @type string $0 The permalink with placeholder for the post name. 1425 * @type string $1 The post name. 1426 * } 1427 * @param int $post_id Post ID. 1428 * @param string $title Post title. 1429 * @param string $name Post name (slug). 1430 * @param WP_Post $post Post object. 1431 */ 1432 return apply_filters( 'get_sample_permalink', $permalink, $post->ID, $title, $name, $post ); 1433 } 1434 1435 /** 1436 * Returns the HTML of the sample permalink slug editor. 1437 * 1438 * @since 2.5.0 1439 * 1440 * @param int $id Post ID or post object. 1441 * @param string $new_title Optional. New title. Default null. 1442 * @param string $new_slug Optional. New slug. Default null. 1443 * @return string The HTML of the sample permalink slug editor. 1444 */ 1445 function get_sample_permalink_html( $id, $new_title = null, $new_slug = null ) { 1446 $post = get_post( $id ); 1447 if ( ! $post ) { 1448 return ''; 1449 } 1450 1451 list($permalink, $post_name) = get_sample_permalink( $post->ID, $new_title, $new_slug ); 1452 1453 $view_link = false; 1454 $preview_target = ''; 1455 1456 if ( current_user_can( 'read_post', $post->ID ) ) { 1457 if ( 'draft' === $post->post_status || empty( $post->post_name ) ) { 1458 $view_link = get_preview_post_link( $post ); 1459 $preview_target = " target='wp-preview-{$post->ID}'"; 1460 } else { 1461 if ( 'publish' === $post->post_status || 'attachment' === $post->post_type ) { 1462 $view_link = get_permalink( $post ); 1463 } else { 1464 // Allow non-published (private, future) to be viewed at a pretty permalink, in case $post->post_name is set. 1465 $view_link = str_replace( array( '%pagename%', '%postname%' ), $post->post_name, $permalink ); 1466 } 1467 } 1468 } 1469 1470 // Permalinks without a post/page name placeholder don't have anything to edit. 1471 if ( false === strpos( $permalink, '%postname%' ) && false === strpos( $permalink, '%pagename%' ) ) { 1472 $return = '<strong>' . __( 'Permalink:' ) . "</strong>\n"; 1473 1474 if ( false !== $view_link ) { 1475 $display_link = urldecode( $view_link ); 1476 $return .= '<a id="sample-permalink" href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . esc_html( $display_link ) . "</a>\n"; 1477 } else { 1478 $return .= '<span id="sample-permalink">' . $permalink . "</span>\n"; 1479 } 1480 1481 // Encourage a pretty permalink setting. 1482 if ( ! get_option( 'permalink_structure' ) && current_user_can( 'manage_options' ) 1483 && ! ( 'page' === get_option( 'show_on_front' ) && get_option( 'page_on_front' ) == $id ) 1484 ) { 1485 $return .= '<span id="change-permalinks"><a href="options-permalink.php" class="button button-small" target="_blank">' . __( 'Change Permalinks' ) . "</a></span>\n"; 1486 } 1487 } else { 1488 if ( mb_strlen( $post_name ) > 34 ) { 1489 $post_name_abridged = mb_substr( $post_name, 0, 16 ) . '…' . mb_substr( $post_name, -16 ); 1490 } else { 1491 $post_name_abridged = $post_name; 1492 } 1493 1494 $post_name_html = '<span id="editable-post-name">' . esc_html( $post_name_abridged ) . '</span>'; 1495 $display_link = str_replace( array( '%pagename%', '%postname%' ), $post_name_html, esc_html( urldecode( $permalink ) ) ); 1496 1497 $return = '<strong>' . __( 'Permalink:' ) . "</strong>\n"; 1498 $return .= '<span id="sample-permalink"><a href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . $display_link . "</a></span>\n"; 1499 $return .= '‎'; // Fix bi-directional text display defect in RTL languages. 1500 $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"; 1501 $return .= '<span id="editable-post-name-full">' . esc_html( $post_name ) . "</span>\n"; 1502 } 1503 1504 /** 1505 * Filters the sample permalink HTML markup. 1506 * 1507 * @since 2.9.0 1508 * @since 4.4.0 Added `$post` parameter. 1509 * 1510 * @param string $return Sample permalink HTML markup. 1511 * @param int $post_id Post ID. 1512 * @param string $new_title New sample permalink title. 1513 * @param string $new_slug New sample permalink slug. 1514 * @param WP_Post $post Post object. 1515 */ 1516 $return = apply_filters( 'get_sample_permalink_html', $return, $post->ID, $new_title, $new_slug, $post ); 1517 1518 return $return; 1519 } 1520 1521 /** 1522 * Returns HTML for the post thumbnail meta box. 1523 * 1524 * @since 2.9.0 1525 * 1526 * @param int $thumbnail_id ID of the attachment used for thumbnail 1527 * @param int|WP_Post $post Optional. The post ID or object associated with the thumbnail, defaults to global $post. 1528 * @return string The post thumbnail HTML. 1529 */ 1530 function _wp_post_thumbnail_html( $thumbnail_id = null, $post = null ) { 1531 $_wp_additional_image_sizes = wp_get_additional_image_sizes(); 1532 1533 $post = get_post( $post ); 1534 $post_type_object = get_post_type_object( $post->post_type ); 1535 $set_thumbnail_link = '<p class="hide-if-no-js"><a href="%s" id="set-post-thumbnail"%s class="thickbox">%s</a></p>'; 1536 $upload_iframe_src = get_upload_iframe_src( 'image', $post->ID ); 1537 1538 $content = sprintf( 1539 $set_thumbnail_link, 1540 esc_url( $upload_iframe_src ), 1541 '', // Empty when there's no featured image set, `aria-describedby` attribute otherwise. 1542 esc_html( $post_type_object->labels->set_featured_image ) 1543 ); 1544 1545 if ( $thumbnail_id && get_post( $thumbnail_id ) ) { 1546 $size = isset( $_wp_additional_image_sizes['post-thumbnail'] ) ? 'post-thumbnail' : array( 266, 266 ); 1547 1548 /** 1549 * Filters the size used to display the post thumbnail image in the 'Featured image' meta box. 1550 * 1551 * Note: When a theme adds 'post-thumbnail' support, a special 'post-thumbnail' 1552 * image size is registered, which differs from the 'thumbnail' image size 1553 * managed via the Settings > Media screen. 1554 * 1555 * @since 4.4.0 1556 * 1557 * @param string|int[] $size Requested image size. Can be any registered image size name, or 1558 * an array of width and height values in pixels (in that order). 1559 * @param int $thumbnail_id Post thumbnail attachment ID. 1560 * @param WP_Post $post The post object associated with the thumbnail. 1561 */ 1562 $size = apply_filters( 'admin_post_thumbnail_size', $size, $thumbnail_id, $post ); 1563 1564 $thumbnail_html = wp_get_attachment_image( $thumbnail_id, $size ); 1565 1566 if ( ! empty( $thumbnail_html ) ) { 1567 $content = sprintf( 1568 $set_thumbnail_link, 1569 esc_url( $upload_iframe_src ), 1570 ' aria-describedby="set-post-thumbnail-desc"', 1571 $thumbnail_html 1572 ); 1573 $content .= '<p class="hide-if-no-js howto" id="set-post-thumbnail-desc">' . __( 'Click the image to edit or update' ) . '</p>'; 1574 $content .= '<p class="hide-if-no-js"><a href="#" id="remove-post-thumbnail">' . esc_html( $post_type_object->labels->remove_featured_image ) . '</a></p>'; 1575 } 1576 } 1577 1578 $content .= '<input type="hidden" id="_thumbnail_id" name="_thumbnail_id" value="' . esc_attr( $thumbnail_id ? $thumbnail_id : '-1' ) . '" />'; 1579 1580 /** 1581 * Filters the admin post thumbnail HTML markup to return. 1582 * 1583 * @since 2.9.0 1584 * @since 3.5.0 Added the `$post_id` parameter. 1585 * @since 4.6.0 Added the `$thumbnail_id` parameter. 1586 * 1587 * @param string $content Admin post thumbnail HTML markup. 1588 * @param int $post_id Post ID. 1589 * @param int|null $thumbnail_id Thumbnail attachment ID, or null if there isn't one. 1590 */ 1591 return apply_filters( 'admin_post_thumbnail_html', $content, $post->ID, $thumbnail_id ); 1592 } 1593 1594 /** 1595 * Check to see if the post is currently being edited by another user. 1596 * 1597 * @since 2.5.0 1598 * 1599 * @param int $post_id ID of the post to check for editing. 1600 * @return int|false ID of the user with lock. False if the post does not exist, post is not locked, 1601 * the user with lock does not exist, or the post is locked by current user. 1602 */ 1603 function wp_check_post_lock( $post_id ) { 1604 $post = get_post( $post_id ); 1605 if ( ! $post ) { 1606 return false; 1607 } 1608 1609 $lock = get_post_meta( $post->ID, '_edit_lock', true ); 1610 if ( ! $lock ) { 1611 return false; 1612 } 1613 1614 $lock = explode( ':', $lock ); 1615 $time = $lock[0]; 1616 $user = isset( $lock[1] ) ? $lock[1] : get_post_meta( $post->ID, '_edit_last', true ); 1617 1618 if ( ! get_userdata( $user ) ) { 1619 return false; 1620 } 1621 1622 /** This filter is documented in wp-admin/includes/ajax-actions.php */ 1623 $time_window = apply_filters( 'wp_check_post_lock_window', 150 ); 1624 1625 if ( $time && $time > time() - $time_window && get_current_user_id() != $user ) { 1626 return $user; 1627 } 1628 1629 return false; 1630 } 1631 1632 /** 1633 * Mark the post as currently being edited by the current user 1634 * 1635 * @since 2.5.0 1636 * 1637 * @param int $post_id ID of the post being edited. 1638 * @return array|false Array of the lock time and user ID. False if the post does not exist, or 1639 * there is no current user. 1640 */ 1641 function wp_set_post_lock( $post_id ) { 1642 $post = get_post( $post_id ); 1643 if ( ! $post ) { 1644 return false; 1645 } 1646 1647 $user_id = get_current_user_id(); 1648 if ( 0 == $user_id ) { 1649 return false; 1650 } 1651 1652 $now = time(); 1653 $lock = "$now:$user_id"; 1654 1655 update_post_meta( $post->ID, '_edit_lock', $lock ); 1656 1657 return array( $now, $user_id ); 1658 } 1659 1660 /** 1661 * Outputs the HTML for the notice to say that someone else is editing or has taken over editing of this post. 1662 * 1663 * @since 2.8.5 1664 */ 1665 function _admin_notice_post_locked() { 1666 $post = get_post(); 1667 if ( ! $post ) { 1668 return; 1669 } 1670 1671 $user = null; 1672 $user_id = wp_check_post_lock( $post->ID ); 1673 if ( $user_id ) { 1674 $user = get_userdata( $user_id ); 1675 } 1676 1677 if ( $user ) { 1678 /** 1679 * Filters whether to show the post locked dialog. 1680 * 1681 * Returning false from the filter will prevent the dialog from being displayed. 1682 * 1683 * @since 3.6.0 1684 * 1685 * @param bool $display Whether to display the dialog. Default true. 1686 * @param WP_Post $post Post object. 1687 * @param WP_User $user The user with the lock for the post. 1688 */ 1689 if ( ! apply_filters( 'show_post_locked_dialog', true, $post, $user ) ) { 1690 return; 1691 } 1692 1693 $locked = true; 1694 } else { 1695 $locked = false; 1696 } 1697 1698 $sendback = wp_get_referer(); 1699 if ( $locked && $sendback && false === strpos( $sendback, 'post.php' ) && false === strpos( $sendback, 'post-new.php' ) ) { 1700 1701 $sendback_text = __( 'Go back' ); 1702 } else { 1703 $sendback = admin_url( 'edit.php' ); 1704 1705 if ( 'post' !== $post->post_type ) { 1706 $sendback = add_query_arg( 'post_type', $post->post_type, $sendback ); 1707 } 1708 1709 $sendback_text = get_post_type_object( $post->post_type )->labels->all_items; 1710 } 1711 1712 $hidden = $locked ? '' : ' hidden'; 1713 1714 ?> 1715 <div id="post-lock-dialog" class="notification-dialog-wrap<?php echo $hidden; ?>"> 1716 <div class="notification-dialog-background"></div> 1717 <div class="notification-dialog"> 1718 <?php 1719 1720 if ( $locked ) { 1721 $query_args = array(); 1722 if ( get_post_type_object( $post->post_type )->public ) { 1723 if ( 'publish' === $post->post_status || $user->ID != $post->post_author ) { 1724 // Latest content is in autosave. 1725 $nonce = wp_create_nonce( 'post_preview_' . $post->ID ); 1726 $query_args['preview_id'] = $post->ID; 1727 $query_args['preview_nonce'] = $nonce; 1728 } 1729 } 1730 1731 $preview_link = get_preview_post_link( $post->ID, $query_args ); 1732 1733 /** 1734 * Filters whether to allow the post lock to be overridden. 1735 * 1736 * Returning false from the filter will disable the ability 1737 * to override the post lock. 1738 * 1739 * @since 3.6.0 1740 * 1741 * @param bool $override Whether to allow the post lock to be overridden. Default true. 1742 * @param WP_Post $post Post object. 1743 * @param WP_User $user The user with the lock for the post. 1744 */ 1745 $override = apply_filters( 'override_post_lock', true, $post, $user ); 1746 $tab_last = $override ? '' : ' wp-tab-last'; 1747 1748 ?> 1749 <div class="post-locked-message"> 1750 <div class="post-locked-avatar"><?php echo get_avatar( $user->ID, 64 ); ?></div> 1751 <p class="currently-editing wp-tab-first" tabindex="0"> 1752 <?php 1753 if ( $override ) { 1754 /* translators: %s: User's display name. */ 1755 printf( __( '%s is currently editing this post. Do you want to take over?' ), esc_html( $user->display_name ) ); 1756 } else { 1757 /* translators: %s: User's display name. */ 1758 printf( __( '%s is currently editing this post.' ), esc_html( $user->display_name ) ); 1759 } 1760 ?> 1761 </p> 1762 <?php 1763 /** 1764 * Fires inside the post locked dialog before the buttons are displayed. 1765 * 1766 * @since 3.6.0 1767 * @since 5.4.0 The $user parameter was added. 1768 * 1769 * @param WP_Post $post Post object. 1770 * @param WP_User $user The user with the lock for the post. 1771 */ 1772 do_action( 'post_locked_dialog', $post, $user ); 1773 ?> 1774 <p> 1775 <a class="button" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a> 1776 <?php if ( $preview_link ) { ?> 1777 <a class="button<?php echo $tab_last; ?>" href="<?php echo esc_url( $preview_link ); ?>"><?php _e( 'Preview' ); ?></a> 1778 <?php 1779 } 1780 1781 // Allow plugins to prevent some users overriding the post lock. 1782 if ( $override ) { 1783 ?> 1784 <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> 1785 <?php 1786 } 1787 1788 ?> 1789 </p> 1790 </div> 1791 <?php 1792 } else { 1793 ?> 1794 <div class="post-taken-over"> 1795 <div class="post-locked-avatar"></div> 1796 <p class="wp-tab-first" tabindex="0"> 1797 <span class="currently-editing"></span><br /> 1798 <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> 1799 <span class="locked-saved hidden"><?php _e( 'Your latest changes were saved as a revision.' ); ?></span> 1800 </p> 1801 <?php 1802 /** 1803 * Fires inside the dialog displayed when a user has lost the post lock. 1804 * 1805 * @since 3.6.0 1806 * 1807 * @param WP_Post $post Post object. 1808 */ 1809 do_action( 'post_lock_lost_dialog', $post ); 1810 ?> 1811 <p><a class="button button-primary wp-tab-last" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a></p> 1812 </div> 1813 <?php 1814 } 1815 1816 ?> 1817 </div> 1818 </div> 1819 <?php 1820 } 1821 1822 /** 1823 * Creates autosave data for the specified post from $_POST data. 1824 * 1825 * @since 2.6.0 1826 * 1827 * @param array|int $post_data Associative array containing the post data or int post ID. 1828 * @return int|WP_Error The autosave revision ID. WP_Error or 0 on error. 1829 */ 1830 function wp_create_post_autosave( $post_data ) { 1831 if ( is_numeric( $post_data ) ) { 1832 $post_id = $post_data; 1833 $post_data = $_POST; 1834 } else { 1835 $post_id = (int) $post_data['post_ID']; 1836 } 1837 1838 $post_data = _wp_translate_postdata( true, $post_data ); 1839 if ( is_wp_error( $post_data ) ) { 1840 return $post_data; 1841 } 1842 $post_data = _wp_get_allowed_postdata( $post_data ); 1843 1844 $post_author = get_current_user_id(); 1845 1846 // Store one autosave per author. If there is already an autosave, overwrite it. 1847 $old_autosave = wp_get_post_autosave( $post_id, $post_author ); 1848 if ( $old_autosave ) { 1849 $new_autosave = _wp_post_revision_data( $post_data, true ); 1850 $new_autosave['ID'] = $old_autosave->ID; 1851 $new_autosave['post_author'] = $post_author; 1852 1853 $post = get_post( $post_id ); 1854 1855 // If the new autosave has the same content as the post, delete the autosave. 1856 $autosave_is_different = false; 1857 foreach ( array_intersect( array_keys( $new_autosave ), array_keys( _wp_post_revision_fields( $post ) ) ) as $field ) { 1858 if ( normalize_whitespace( $new_autosave[ $field ] ) !== normalize_whitespace( $post->$field ) ) { 1859 $autosave_is_different = true; 1860 break; 1861 } 1862 } 1863 1864 if ( ! $autosave_is_different ) { 1865 wp_delete_post_revision( $old_autosave->ID ); 1866 return 0; 1867 } 1868 1869 /** 1870 * Fires before an autosave is stored. 1871 * 1872 * @since 4.1.0 1873 * 1874 * @param array $new_autosave Post array - the autosave that is about to be saved. 1875 */ 1876 do_action( 'wp_creating_autosave', $new_autosave ); 1877 1878 return wp_update_post( $new_autosave ); 1879 } 1880 1881 // _wp_put_post_revision() expects unescaped. 1882 $post_data = wp_unslash( $post_data ); 1883 1884 // Otherwise create the new autosave as a special post revision. 1885 return _wp_put_post_revision( $post_data, true ); 1886 } 1887 1888 /** 1889 * Saves a draft or manually autosaves for the purpose of showing a post preview. 1890 * 1891 * @since 2.7.0 1892 * 1893 * @return string URL to redirect to show the preview. 1894 */ 1895 function post_preview() { 1896 1897 $post_ID = (int) $_POST['post_ID']; 1898 $_POST['ID'] = $post_ID; 1899 1900 $post = get_post( $post_ID ); 1901 if ( ! $post ) { 1902 wp_die( __( 'Sorry, you are not allowed to edit this post.' ) ); 1903 } 1904 1905 if ( ! current_user_can( 'edit_post', $post->ID ) ) { 1906 wp_die( __( 'Sorry, you are not allowed to edit this post.' ) ); 1907 } 1908 1909 $is_autosave = false; 1910 1911 if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author 1912 && ( 'draft' === $post->post_status || 'auto-draft' === $post->post_status ) 1913 ) { 1914 $saved_post_id = edit_post(); 1915 } else { 1916 $is_autosave = true; 1917 1918 if ( isset( $_POST['post_status'] ) && 'auto-draft' === $_POST['post_status'] ) { 1919 $_POST['post_status'] = 'draft'; 1920 } 1921 1922 $saved_post_id = wp_create_post_autosave( $post->ID ); 1923 } 1924 1925 if ( is_wp_error( $saved_post_id ) ) { 1926 wp_die( $saved_post_id->get_error_message() ); 1927 } 1928 1929 $query_args = array(); 1930 1931 if ( $is_autosave && $saved_post_id ) { 1932 $query_args['preview_id'] = $post->ID; 1933 $query_args['preview_nonce'] = wp_create_nonce( 'post_preview_' . $post->ID ); 1934 1935 if ( isset( $_POST['post_format'] ) ) { 1936 $query_args['post_format'] = empty( $_POST['post_format'] ) ? 'standard' : sanitize_key( $_POST['post_format'] ); 1937 } 1938 1939 if ( isset( $_POST['_thumbnail_id'] ) ) { 1940 $query_args['_thumbnail_id'] = ( (int) $_POST['_thumbnail_id'] <= 0 ) ? '-1' : (int) $_POST['_thumbnail_id']; 1941 } 1942 } 1943 1944 return get_preview_post_link( $post, $query_args ); 1945 } 1946 1947 /** 1948 * Save a post submitted with XHR 1949 * 1950 * Intended for use with heartbeat and autosave.js 1951 * 1952 * @since 3.9.0 1953 * 1954 * @param array $post_data Associative array of the submitted post data. 1955 * @return mixed The value 0 or WP_Error on failure. The saved post ID on success. 1956 * The ID can be the draft post_id or the autosave revision post_id. 1957 */ 1958 function wp_autosave( $post_data ) { 1959 // Back-compat. 1960 if ( ! defined( 'DOING_AUTOSAVE' ) ) { 1961 define( 'DOING_AUTOSAVE', true ); 1962 } 1963 1964 $post_id = (int) $post_data['post_id']; 1965 $post_data['ID'] = $post_id; 1966 $post_data['post_ID'] = $post_id; 1967 1968 if ( false === wp_verify_nonce( $post_data['_wpnonce'], 'update-post_' . $post_id ) ) { 1969 return new WP_Error( 'invalid_nonce', __( 'Error while saving.' ) ); 1970 } 1971 1972 $post = get_post( $post_id ); 1973 1974 if ( ! current_user_can( 'edit_post', $post->ID ) ) { 1975 return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to edit this item.' ) ); 1976 } 1977 1978 if ( 'auto-draft' === $post->post_status ) { 1979 $post_data['post_status'] = 'draft'; 1980 } 1981 1982 if ( 'page' !== $post_data['post_type'] && ! empty( $post_data['catslist'] ) ) { 1983 $post_data['post_category'] = explode( ',', $post_data['catslist'] ); 1984 } 1985 1986 if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author 1987 && ( 'auto-draft' === $post->post_status || 'draft' === $post->post_status ) 1988 ) { 1989 // Drafts and auto-drafts are just overwritten by autosave for the same user if the post is not locked. 1990 return edit_post( wp_slash( $post_data ) ); 1991 } else { 1992 // Non-drafts or other users' drafts are not overwritten. 1993 // The autosave is stored in a special post revision for each user. 1994 return wp_create_post_autosave( wp_slash( $post_data ) ); 1995 } 1996 } 1997 1998 /** 1999 * Redirect to previous page. 2000 * 2001 * @since 2.7.0 2002 * 2003 * @param int $post_id Optional. Post ID. 2004 */ 2005 function redirect_post( $post_id = '' ) { 2006 if ( isset( $_POST['save'] ) || isset( $_POST['publish'] ) ) { 2007 $status = get_post_status( $post_id ); 2008 2009 if ( isset( $_POST['publish'] ) ) { 2010 switch ( $status ) { 2011 case 'pending': 2012 $message = 8; 2013 break; 2014 case 'future': 2015 $message = 9; 2016 break; 2017 default: 2018 $message = 6; 2019 } 2020 } else { 2021 $message = 'draft' === $status ? 10 : 1; 2022 } 2023 2024 $location = add_query_arg( 'message', $message, get_edit_post_link( $post_id, 'url' ) ); 2025 } elseif ( isset( $_POST['addmeta'] ) && $_POST['addmeta'] ) { 2026 $location = add_query_arg( 'message', 2, wp_get_referer() ); 2027 $location = explode( '#', $location ); 2028 $location = $location[0] . '#postcustom'; 2029 } elseif ( isset( $_POST['deletemeta'] ) && $_POST['deletemeta'] ) { 2030 $location = add_query_arg( 'message', 3, wp_get_referer() ); 2031 $location = explode( '#', $location ); 2032 $location = $location[0] . '#postcustom'; 2033 } else { 2034 $location = add_query_arg( 'message', 4, get_edit_post_link( $post_id, 'url' ) ); 2035 } 2036 2037 /** 2038 * Filters the post redirect destination URL. 2039 * 2040 * @since 2.9.0 2041 * 2042 * @param string $location The destination URL. 2043 * @param int $post_id The post ID. 2044 */ 2045 wp_redirect( apply_filters( 'redirect_post_location', $location, $post_id ) ); 2046 exit; 2047 } 2048 2049 /** 2050 * Sanitizes POST values from a checkbox taxonomy metabox. 2051 * 2052 * @since 5.1.0 2053 * 2054 * @param string $taxonomy The taxonomy name. 2055 * @param array $terms Raw term data from the 'tax_input' field. 2056 * @return int[] Array of sanitized term IDs. 2057 */ 2058 function taxonomy_meta_box_sanitize_cb_checkboxes( $taxonomy, $terms ) { 2059 return array_map( 'intval', $terms ); 2060 } 2061 2062 /** 2063 * Sanitizes POST values from an input taxonomy metabox. 2064 * 2065 * @since 5.1.0 2066 * 2067 * @param string $taxonomy The taxonomy name. 2068 * @param array|string $terms Raw term data from the 'tax_input' field. 2069 * @return array 2070 */ 2071 function taxonomy_meta_box_sanitize_cb_input( $taxonomy, $terms ) { 2072 /* 2073 * Assume that a 'tax_input' string is a comma-separated list of term names. 2074 * Some languages may use a character other than a comma as a delimiter, so we standardize on 2075 * commas before parsing the list. 2076 */ 2077 if ( ! is_array( $terms ) ) { 2078 $comma = _x( ',', 'tag delimiter' ); 2079 if ( ',' !== $comma ) { 2080 $terms = str_replace( $comma, ',', $terms ); 2081 } 2082 $terms = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) ); 2083 } 2084 2085 $clean_terms = array(); 2086 foreach ( $terms as $term ) { 2087 // Empty terms are invalid input. 2088 if ( empty( $term ) ) { 2089 continue; 2090 } 2091 2092 $_term = get_terms( 2093 array( 2094 'taxonomy' => $taxonomy, 2095 'name' => $term, 2096 'fields' => 'ids', 2097 'hide_empty' => false, 2098 ) 2099 ); 2100 2101 if ( ! empty( $_term ) ) { 2102 $clean_terms[] = (int) $_term[0]; 2103 } else { 2104 // No existing term was found, so pass the string. A new term will be created. 2105 $clean_terms[] = $term; 2106 } 2107 } 2108 2109 return $clean_terms; 2110 } 2111 2112 /** 2113 * Return whether the post can be edited in the block editor. 2114 * 2115 * @since 5.0.0 2116 * 2117 * @param int|WP_Post $post Post ID or WP_Post object. 2118 * @return bool Whether the post can be edited in the block editor. 2119 */ 2120 function use_block_editor_for_post( $post ) { 2121 $post = get_post( $post ); 2122 2123 if ( ! $post ) { 2124 return false; 2125 } 2126 2127 // We're in the meta box loader, so don't use the block editor. 2128 if ( isset( $_GET['meta-box-loader'] ) ) { 2129 check_admin_referer( 'meta-box-loader', 'meta-box-loader-nonce' ); 2130 return false; 2131 } 2132 2133 // The posts page can't be edited in the block editor. 2134 if ( absint( get_option( 'page_for_posts' ) ) === $post->ID && empty( $post->post_content ) ) { 2135 return false; 2136 } 2137 2138 $use_block_editor = use_block_editor_for_post_type( $post->post_type ); 2139 2140 /** 2141 * Filters whether a post is able to be edited in the block editor. 2142 * 2143 * @since 5.0.0 2144 * 2145 * @param bool $use_block_editor Whether the post can be edited or not. 2146 * @param WP_Post $post The post being checked. 2147 */ 2148 return apply_filters( 'use_block_editor_for_post', $use_block_editor, $post ); 2149 } 2150 2151 /** 2152 * Return whether a post type is compatible with the block editor. 2153 * 2154 * The block editor depends on the REST API, and if the post type is not shown in the 2155 * REST API, then it won't work with the block editor. 2156 * 2157 * @since 5.0.0 2158 * 2159 * @param string $post_type The post type. 2160 * @return bool Whether the post type can be edited with the block editor. 2161 */ 2162 function use_block_editor_for_post_type( $post_type ) { 2163 if ( ! post_type_exists( $post_type ) ) { 2164 return false; 2165 } 2166 2167 if ( ! post_type_supports( $post_type, 'editor' ) ) { 2168 return false; 2169 } 2170 2171 $post_type_object = get_post_type_object( $post_type ); 2172 if ( $post_type_object && ! $post_type_object->show_in_rest ) { 2173 return false; 2174 } 2175 2176 /** 2177 * Filters whether a post is able to be edited in the block editor. 2178 * 2179 * @since 5.0.0 2180 * 2181 * @param bool $use_block_editor Whether the post type can be edited or not. Default true. 2182 * @param string $post_type The post type being checked. 2183 */ 2184 return apply_filters( 'use_block_editor_for_post_type', true, $post_type ); 2185 } 2186 2187 /** 2188 * Returns all the block categories that will be shown in the block editor. 2189 * 2190 * @since 5.0.0 2191 * 2192 * @param WP_Post $post Post object. 2193 * @return array[] Array of block categories. 2194 */ 2195 function get_block_categories( $post ) { 2196 $default_categories = array( 2197 array( 2198 'slug' => 'text', 2199 'title' => _x( 'Text', 'block category' ), 2200 'icon' => null, 2201 ), 2202 array( 2203 'slug' => 'media', 2204 'title' => _x( 'Media', 'block category' ), 2205 'icon' => null, 2206 ), 2207 array( 2208 'slug' => 'design', 2209 'title' => _x( 'Design', 'block category' ), 2210 'icon' => null, 2211 ), 2212 array( 2213 'slug' => 'widgets', 2214 'title' => _x( 'Widgets', 'block category' ), 2215 'icon' => null, 2216 ), 2217 array( 2218 'slug' => 'embed', 2219 'title' => _x( 'Embeds', 'block category' ), 2220 'icon' => null, 2221 ), 2222 array( 2223 'slug' => 'reusable', 2224 'title' => _x( 'Reusable Blocks', 'block category' ), 2225 'icon' => null, 2226 ), 2227 ); 2228 2229 /** 2230 * Filters the default array of block categories. 2231 * 2232 * @since 5.0.0 2233 * 2234 * @param array[] $default_categories Array of block categories. 2235 * @param WP_Post $post Post being loaded. 2236 */ 2237 return apply_filters( 'block_categories', $default_categories, $post ); 2238 } 2239 2240 /** 2241 * Prepares server-registered blocks for the block editor. 2242 * 2243 * Returns an associative array of registered block data keyed by block name. Data includes properties 2244 * of a block relevant for client registration. 2245 * 2246 * @since 5.0.0 2247 * 2248 * @return array An associative array of registered block data. 2249 */ 2250 function get_block_editor_server_block_settings() { 2251 $block_registry = WP_Block_Type_Registry::get_instance(); 2252 $blocks = array(); 2253 $fields_to_pick = array( 2254 'title' => 'title', 2255 'description' => 'description', 2256 'icon' => 'icon', 2257 'category' => 'category', 2258 'keywords' => 'keywords', 2259 'parent' => 'parent', 2260 'supports' => 'supports', 2261 'attributes' => 'attributes', 2262 'provides_context' => 'providesContext', 2263 'uses_context' => 'usesContext', 2264 'styles' => 'styles', 2265 'textdomain' => 'textdomain', 2266 'example' => 'example', 2267 ); 2268 2269 foreach ( $block_registry->get_all_registered() as $block_name => $block_type ) { 2270 foreach ( $fields_to_pick as $field => $key ) { 2271 if ( ! isset( $block_type->{ $field } ) ) { 2272 continue; 2273 } 2274 2275 if ( ! isset( $blocks[ $block_name ] ) ) { 2276 $blocks[ $block_name ] = array(); 2277 } 2278 2279 $blocks[ $block_name ][ $key ] = $block_type->{ $field }; 2280 } 2281 } 2282 2283 return $blocks; 2284 } 2285 2286 /** 2287 * Renders the meta boxes forms. 2288 * 2289 * @since 5.0.0 2290 */ 2291 function the_block_editor_meta_boxes() { 2292 global $post, $current_screen, $wp_meta_boxes; 2293 2294 // Handle meta box state. 2295 $_original_meta_boxes = $wp_meta_boxes; 2296 2297 /** 2298 * Fires right before the meta boxes are rendered. 2299 * 2300 * This allows for the filtering of meta box data, that should already be 2301 * present by this point. Do not use as a means of adding meta box data. 2302 * 2303 * @since 5.0.0 2304 * 2305 * @param array $wp_meta_boxes Global meta box state. 2306 */ 2307 $wp_meta_boxes = apply_filters( 'filter_block_editor_meta_boxes', $wp_meta_boxes ); 2308 $locations = array( 'side', 'normal', 'advanced' ); 2309 $priorities = array( 'high', 'sorted', 'core', 'default', 'low' ); 2310 2311 // Render meta boxes. 2312 ?> 2313 <form class="metabox-base-form"> 2314 <?php the_block_editor_meta_box_post_form_hidden_fields( $post ); ?> 2315 </form> 2316 <form id="toggle-custom-fields-form" method="post" action="<?php echo esc_attr( admin_url( 'post.php' ) ); ?>"> 2317 <?php wp_nonce_field( 'toggle-custom-fields' ); ?> 2318 <input type="hidden" name="action" value="toggle-custom-fields" /> 2319 </form> 2320 <?php foreach ( $locations as $location ) : ?> 2321 <form class="metabox-location-<?php echo esc_attr( $location ); ?>" onsubmit="return false;"> 2322 <div id="poststuff" class="sidebar-open"> 2323 <div id="postbox-container-2" class="postbox-container"> 2324 <?php 2325 do_meta_boxes( 2326 $current_screen, 2327 $location, 2328 $post 2329 ); 2330 ?> 2331 </div> 2332 </div> 2333 </form> 2334 <?php endforeach; ?> 2335 <?php 2336 2337 $meta_boxes_per_location = array(); 2338 foreach ( $locations as $location ) { 2339 $meta_boxes_per_location[ $location ] = array(); 2340 2341 if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ] ) ) { 2342 continue; 2343 } 2344 2345 foreach ( $priorities as $priority ) { 2346 if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ] ) ) { 2347 continue; 2348 } 2349 2350 $meta_boxes = (array) $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ]; 2351 foreach ( $meta_boxes as $meta_box ) { 2352 if ( false == $meta_box || ! $meta_box['title'] ) { 2353 continue; 2354 } 2355 2356 // If a meta box is just here for back compat, don't show it in the block editor. 2357 if ( isset( $meta_box['args']['__back_compat_meta_box'] ) && $meta_box['args']['__back_compat_meta_box'] ) { 2358 continue; 2359 } 2360 2361 $meta_boxes_per_location[ $location ][] = array( 2362 'id' => $meta_box['id'], 2363 'title' => $meta_box['title'], 2364 ); 2365 } 2366 } 2367 } 2368 2369 /** 2370 * Sadly we probably can not add this data directly into editor settings. 2371 * 2372 * Some meta boxes need admin_head to fire for meta box registry. 2373 * admin_head fires after admin_enqueue_scripts, which is where we create our 2374 * editor instance. 2375 */ 2376 $script = 'window._wpLoadBlockEditor.then( function() { 2377 wp.data.dispatch( \'core/edit-post\' ).setAvailableMetaBoxesPerLocation( ' . wp_json_encode( $meta_boxes_per_location ) . ' ); 2378 } );'; 2379 2380 wp_add_inline_script( 'wp-edit-post', $script ); 2381 2382 /** 2383 * When `wp-edit-post` is output in the `<head>`, the inline script needs to be manually printed. Otherwise, 2384 * meta boxes will not display because inline scripts for `wp-edit-post` will not be printed again after this point. 2385 */ 2386 if ( wp_script_is( 'wp-edit-post', 'done' ) ) { 2387 printf( "<script type='text/javascript'>\n%s\n</script>\n", trim( $script ) ); 2388 } 2389 2390 /** 2391 * If the 'postcustom' meta box is enabled, then we need to perform some 2392 * extra initialization on it. 2393 */ 2394 $enable_custom_fields = (bool) get_user_meta( get_current_user_id(), 'enable_custom_fields', true ); 2395 if ( $enable_custom_fields ) { 2396 $script = "( function( $ ) { 2397 if ( $('#postcustom').length ) { 2398 $( '#the-list' ).wpList( { 2399 addBefore: function( s ) { 2400 s.data += '&post_id=$post->ID'; 2401 return s; 2402 }, 2403 addAfter: function() { 2404 $('table#list-table').show(); 2405 } 2406 }); 2407 } 2408 } )( jQuery );"; 2409 wp_enqueue_script( 'wp-lists' ); 2410 wp_add_inline_script( 'wp-lists', $script ); 2411 } 2412 2413 // Reset meta box data. 2414 $wp_meta_boxes = $_original_meta_boxes; 2415 } 2416 2417 /** 2418 * Renders the hidden form required for the meta boxes form. 2419 * 2420 * @since 5.0.0 2421 * 2422 * @param WP_Post $post Current post object. 2423 */ 2424 function the_block_editor_meta_box_post_form_hidden_fields( $post ) { 2425 $form_extra = ''; 2426 if ( 'auto-draft' === $post->post_status ) { 2427 $form_extra .= "<input type='hidden' id='auto_draft' name='auto_draft' value='1' />"; 2428 } 2429 $form_action = 'editpost'; 2430 $nonce_action = 'update-post_' . $post->ID; 2431 $form_extra .= "<input type='hidden' id='post_ID' name='post_ID' value='" . esc_attr( $post->ID ) . "' />"; 2432 $referer = wp_get_referer(); 2433 $current_user = wp_get_current_user(); 2434 $user_id = $current_user->ID; 2435 wp_nonce_field( $nonce_action ); 2436 2437 /* 2438 * Some meta boxes hook into these actions to add hidden input fields in the classic post form. For backwards 2439 * compatibility, we can capture the output from these actions, and extract the hidden input fields. 2440 */ 2441 ob_start(); 2442 /** This filter is documented in wp-admin/edit-form-advanced.php */ 2443 do_action( 'edit_form_after_title', $post ); 2444 /** This filter is documented in wp-admin/edit-form-advanced.php */ 2445 do_action( 'edit_form_advanced', $post ); 2446 $classic_output = ob_get_clean(); 2447 2448 $classic_elements = wp_html_split( $classic_output ); 2449 $hidden_inputs = ''; 2450 foreach ( $classic_elements as $element ) { 2451 if ( 0 !== strpos( $element, '<input ' ) ) { 2452 continue; 2453 } 2454 2455 if ( preg_match( '/\stype=[\'"]hidden[\'"]\s/', $element ) ) { 2456 echo $element; 2457 } 2458 } 2459 ?> 2460 <input type="hidden" id="user-id" name="user_ID" value="<?php echo (int) $user_id; ?>" /> 2461 <input type="hidden" id="hiddenaction" name="action" value="<?php echo esc_attr( $form_action ); ?>" /> 2462 <input type="hidden" id="originalaction" name="originalaction" value="<?php echo esc_attr( $form_action ); ?>" /> 2463 <input type="hidden" id="post_type" name="post_type" value="<?php echo esc_attr( $post->post_type ); ?>" /> 2464 <input type="hidden" id="original_post_status" name="original_post_status" value="<?php echo esc_attr( $post->post_status ); ?>" /> 2465 <input type="hidden" id="referredby" name="referredby" value="<?php echo $referer ? esc_url( $referer ) : ''; ?>" /> 2466 2467 <?php 2468 if ( 'draft' !== get_post_status( $post ) ) { 2469 wp_original_referer_field( true, 'previous' ); 2470 } 2471 echo $form_extra; 2472 wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false ); 2473 wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false ); 2474 // Permalink title nonce. 2475 wp_nonce_field( 'samplepermalink', 'samplepermalinknonce', false ); 2476 2477 /** 2478 * Add hidden input fields to the meta box save form. 2479 * 2480 * Hook into this action to print `<input type="hidden" ... />` fields, which will be POSTed back to 2481 * the server when meta boxes are saved. 2482 * 2483 * @since 5.0.0 2484 * 2485 * @param WP_Post $post The post that is being edited. 2486 */ 2487 do_action( 'block_editor_meta_box_hidden_fields', $post ); 2488 }
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| Generated : Wed Oct 28 08:20:01 2020 | Cross-referenced by PHPXref |