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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 * Renames `$_POST` data from form names to DB post columns. 11 * 12 * Manipulates `$_POST` directly. 13 * 14 * @since 2.6.0 15 * 16 * @param bool $update Whether the post already exists. 17 * @param array|null $post_data Optional. The array of post data to process. 18 * Defaults to the `$_POST` superglobal. 19 * @return array|WP_Error Array of post data on success, WP_Error on failure. 20 */ 21 function _wp_translate_postdata( $update = false, $post_data = null ) { 22 23 if ( empty( $post_data ) ) { 24 $post_data = &$_POST; 25 } 26 27 if ( $update ) { 28 $post_data['ID'] = (int) $post_data['post_ID']; 29 } 30 31 $ptype = get_post_type_object( $post_data['post_type'] ); 32 33 if ( $update && ! current_user_can( 'edit_post', $post_data['ID'] ) ) { 34 if ( 'page' === $post_data['post_type'] ) { 35 return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to edit pages as this user.' ) ); 36 } else { 37 return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to edit posts as this user.' ) ); 38 } 39 } elseif ( ! $update && ! current_user_can( $ptype->cap->create_posts ) ) { 40 if ( 'page' === $post_data['post_type'] ) { 41 return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to create pages as this user.' ) ); 42 } else { 43 return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to create posts as this user.' ) ); 44 } 45 } 46 47 if ( isset( $post_data['content'] ) ) { 48 $post_data['post_content'] = $post_data['content']; 49 } 50 51 if ( isset( $post_data['excerpt'] ) ) { 52 $post_data['post_excerpt'] = $post_data['excerpt']; 53 } 54 55 if ( isset( $post_data['parent_id'] ) ) { 56 $post_data['post_parent'] = (int) $post_data['parent_id']; 57 } 58 59 if ( isset( $post_data['trackback_url'] ) ) { 60 $post_data['to_ping'] = $post_data['trackback_url']; 61 } 62 63 $post_data['user_ID'] = get_current_user_id(); 64 65 if ( ! empty( $post_data['post_author_override'] ) ) { 66 $post_data['post_author'] = (int) $post_data['post_author_override']; 67 } else { 68 if ( ! empty( $post_data['post_author'] ) ) { 69 $post_data['post_author'] = (int) $post_data['post_author']; 70 } else { 71 $post_data['post_author'] = (int) $post_data['user_ID']; 72 } 73 } 74 75 if ( isset( $post_data['user_ID'] ) && ( $post_data['post_author'] != $post_data['user_ID'] ) 76 && ! current_user_can( $ptype->cap->edit_others_posts ) ) { 77 78 if ( $update ) { 79 if ( 'page' === $post_data['post_type'] ) { 80 return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to edit pages as this user.' ) ); 81 } else { 82 return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to edit posts as this user.' ) ); 83 } 84 } else { 85 if ( 'page' === $post_data['post_type'] ) { 86 return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to create pages as this user.' ) ); 87 } else { 88 return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to create posts as this user.' ) ); 89 } 90 } 91 } 92 93 if ( ! empty( $post_data['post_status'] ) ) { 94 $post_data['post_status'] = sanitize_key( $post_data['post_status'] ); 95 96 // No longer an auto-draft. 97 if ( 'auto-draft' === $post_data['post_status'] ) { 98 $post_data['post_status'] = 'draft'; 99 } 100 101 if ( ! get_post_status_object( $post_data['post_status'] ) ) { 102 unset( $post_data['post_status'] ); 103 } 104 } 105 106 // What to do based on which button they pressed. 107 if ( isset( $post_data['saveasdraft'] ) && '' !== $post_data['saveasdraft'] ) { 108 $post_data['post_status'] = 'draft'; 109 } 110 if ( isset( $post_data['saveasprivate'] ) && '' !== $post_data['saveasprivate'] ) { 111 $post_data['post_status'] = 'private'; 112 } 113 if ( isset( $post_data['publish'] ) && ( '' !== $post_data['publish'] ) 114 && ( ! isset( $post_data['post_status'] ) || 'private' !== $post_data['post_status'] ) 115 ) { 116 $post_data['post_status'] = 'publish'; 117 } 118 if ( isset( $post_data['advanced'] ) && '' !== $post_data['advanced'] ) { 119 $post_data['post_status'] = 'draft'; 120 } 121 if ( isset( $post_data['pending'] ) && '' !== $post_data['pending'] ) { 122 $post_data['post_status'] = 'pending'; 123 } 124 125 if ( isset( $post_data['ID'] ) ) { 126 $post_id = $post_data['ID']; 127 } else { 128 $post_id = false; 129 } 130 $previous_status = $post_id ? get_post_field( 'post_status', $post_id ) : false; 131 132 if ( isset( $post_data['post_status'] ) && 'private' === $post_data['post_status'] && ! current_user_can( $ptype->cap->publish_posts ) ) { 133 $post_data['post_status'] = $previous_status ? $previous_status : 'pending'; 134 } 135 136 $published_statuses = array( 'publish', 'future' ); 137 138 // Posts 'submitted for approval' are submitted to $_POST the same as if they were being published. 139 // Change status from 'publish' to 'pending' if user lacks permissions to publish or to resave published posts. 140 if ( isset( $post_data['post_status'] ) 141 && ( in_array( $post_data['post_status'], $published_statuses, true ) 142 && ! current_user_can( $ptype->cap->publish_posts ) ) 143 ) { 144 if ( ! in_array( $previous_status, $published_statuses, true ) || ! current_user_can( 'edit_post', $post_id ) ) { 145 $post_data['post_status'] = 'pending'; 146 } 147 } 148 149 if ( ! isset( $post_data['post_status'] ) ) { 150 $post_data['post_status'] = 'auto-draft' === $previous_status ? 'draft' : $previous_status; 151 } 152 153 if ( isset( $post_data['post_password'] ) && ! current_user_can( $ptype->cap->publish_posts ) ) { 154 unset( $post_data['post_password'] ); 155 } 156 157 if ( ! isset( $post_data['comment_status'] ) ) { 158 $post_data['comment_status'] = 'closed'; 159 } 160 161 if ( ! isset( $post_data['ping_status'] ) ) { 162 $post_data['ping_status'] = 'closed'; 163 } 164 165 foreach ( array( 'aa', 'mm', 'jj', 'hh', 'mn' ) as $timeunit ) { 166 if ( ! empty( $post_data[ 'hidden_' . $timeunit ] ) && $post_data[ 'hidden_' . $timeunit ] != $post_data[ $timeunit ] ) { 167 $post_data['edit_date'] = '1'; 168 break; 169 } 170 } 171 172 if ( ! empty( $post_data['edit_date'] ) ) { 173 $aa = $post_data['aa']; 174 $mm = $post_data['mm']; 175 $jj = $post_data['jj']; 176 $hh = $post_data['hh']; 177 $mn = $post_data['mn']; 178 $ss = $post_data['ss']; 179 $aa = ( $aa <= 0 ) ? gmdate( 'Y' ) : $aa; 180 $mm = ( $mm <= 0 ) ? gmdate( 'n' ) : $mm; 181 $jj = ( $jj > 31 ) ? 31 : $jj; 182 $jj = ( $jj <= 0 ) ? gmdate( 'j' ) : $jj; 183 $hh = ( $hh > 23 ) ? $hh - 24 : $hh; 184 $mn = ( $mn > 59 ) ? $mn - 60 : $mn; 185 $ss = ( $ss > 59 ) ? $ss - 60 : $ss; 186 187 $post_data['post_date'] = sprintf( '%04d-%02d-%02d %02d:%02d:%02d', $aa, $mm, $jj, $hh, $mn, $ss ); 188 189 $valid_date = wp_checkdate( $mm, $jj, $aa, $post_data['post_date'] ); 190 if ( ! $valid_date ) { 191 return new WP_Error( 'invalid_date', __( 'Invalid date.' ) ); 192 } 193 194 $post_data['post_date_gmt'] = get_gmt_from_date( $post_data['post_date'] ); 195 } 196 197 if ( isset( $post_data['post_category'] ) ) { 198 $category_object = get_taxonomy( 'category' ); 199 if ( ! current_user_can( $category_object->cap->assign_terms ) ) { 200 unset( $post_data['post_category'] ); 201 } 202 } 203 204 return $post_data; 205 } 206 207 /** 208 * Returns only allowed post data fields. 209 * 210 * @since 5.0.1 211 * 212 * @param array|WP_Error|null $post_data The array of post data to process, or an error object. 213 * Defaults to the `$_POST` superglobal. 214 * @return array|WP_Error Array of post data on success, WP_Error on failure. 215 */ 216 function _wp_get_allowed_postdata( $post_data = null ) { 217 if ( empty( $post_data ) ) { 218 $post_data = $_POST; 219 } 220 221 // Pass through errors. 222 if ( is_wp_error( $post_data ) ) { 223 return $post_data; 224 } 225 226 return array_diff_key( $post_data, array_flip( array( 'meta_input', 'file', 'guid' ) ) ); 227 } 228 229 /** 230 * Updates an existing post with values provided in `$_POST`. 231 * 232 * If post data is passed as an argument, it is treated as an array of data 233 * keyed appropriately for turning into a post object. 234 * 235 * If post data is not passed, the `$_POST` global variable is used instead. 236 * 237 * @since 1.5.0 238 * 239 * @global wpdb $wpdb WordPress database abstraction object. 240 * 241 * @param array|null $post_data Optional. The array of post data to process. 242 * Defaults to the `$_POST` superglobal. 243 * @return int Post ID. 244 */ 245 function edit_post( $post_data = null ) { 246 global $wpdb; 247 248 if ( empty( $post_data ) ) { 249 $post_data = &$_POST; 250 } 251 252 // Clear out any data in internal vars. 253 unset( $post_data['filter'] ); 254 255 $post_ID = (int) $post_data['post_ID']; 256 $post = get_post( $post_ID ); 257 258 $post_data['post_type'] = $post->post_type; 259 $post_data['post_mime_type'] = $post->post_mime_type; 260 261 if ( ! empty( $post_data['post_status'] ) ) { 262 $post_data['post_status'] = sanitize_key( $post_data['post_status'] ); 263 264 if ( 'inherit' === $post_data['post_status'] ) { 265 unset( $post_data['post_status'] ); 266 } 267 } 268 269 $ptype = get_post_type_object( $post_data['post_type'] ); 270 if ( ! current_user_can( 'edit_post', $post_ID ) ) { 271 if ( 'page' === $post_data['post_type'] ) { 272 wp_die( __( 'Sorry, you are not allowed to edit this page.' ) ); 273 } else { 274 wp_die( __( 'Sorry, you are not allowed to edit this post.' ) ); 275 } 276 } 277 278 if ( post_type_supports( $ptype->name, 'revisions' ) ) { 279 $revisions = wp_get_post_revisions( 280 $post_ID, 281 array( 282 'order' => 'ASC', 283 'posts_per_page' => 1, 284 ) 285 ); 286 $revision = current( $revisions ); 287 288 // Check if the revisions have been upgraded. 289 if ( $revisions && _wp_get_post_revision_version( $revision ) < 1 ) { 290 _wp_upgrade_revisions_of_post( $post, wp_get_post_revisions( $post_ID ) ); 291 } 292 } 293 294 if ( isset( $post_data['visibility'] ) ) { 295 switch ( $post_data['visibility'] ) { 296 case 'public': 297 $post_data['post_password'] = ''; 298 break; 299 case 'password': 300 unset( $post_data['sticky'] ); 301 break; 302 case 'private': 303 $post_data['post_status'] = 'private'; 304 $post_data['post_password'] = ''; 305 unset( $post_data['sticky'] ); 306 break; 307 } 308 } 309 310 $post_data = _wp_translate_postdata( true, $post_data ); 311 if ( is_wp_error( $post_data ) ) { 312 wp_die( $post_data->get_error_message() ); 313 } 314 $translated = _wp_get_allowed_postdata( $post_data ); 315 316 // Post formats. 317 if ( isset( $post_data['post_format'] ) ) { 318 set_post_format( $post_ID, $post_data['post_format'] ); 319 } 320 321 $format_meta_urls = array( 'url', 'link_url', 'quote_source_url' ); 322 foreach ( $format_meta_urls as $format_meta_url ) { 323 $keyed = '_format_' . $format_meta_url; 324 if ( isset( $post_data[ $keyed ] ) ) { 325 update_post_meta( $post_ID, $keyed, wp_slash( sanitize_url( wp_unslash( $post_data[ $keyed ] ) ) ) ); 326 } 327 } 328 329 $format_keys = array( 'quote', 'quote_source_name', 'image', 'gallery', 'audio_embed', 'video_embed' ); 330 331 foreach ( $format_keys as $key ) { 332 $keyed = '_format_' . $key; 333 if ( isset( $post_data[ $keyed ] ) ) { 334 if ( current_user_can( 'unfiltered_html' ) ) { 335 update_post_meta( $post_ID, $keyed, $post_data[ $keyed ] ); 336 } else { 337 update_post_meta( $post_ID, $keyed, wp_filter_post_kses( $post_data[ $keyed ] ) ); 338 } 339 } 340 } 341 342 if ( 'attachment' === $post_data['post_type'] && preg_match( '#^(audio|video)/#', $post_data['post_mime_type'] ) ) { 343 $id3data = wp_get_attachment_metadata( $post_ID ); 344 if ( ! is_array( $id3data ) ) { 345 $id3data = array(); 346 } 347 348 foreach ( wp_get_attachment_id3_keys( $post, 'edit' ) as $key => $label ) { 349 if ( isset( $post_data[ 'id3_' . $key ] ) ) { 350 $id3data[ $key ] = sanitize_text_field( wp_unslash( $post_data[ 'id3_' . $key ] ) ); 351 } 352 } 353 wp_update_attachment_metadata( $post_ID, $id3data ); 354 } 355 356 // Meta stuff. 357 if ( isset( $post_data['meta'] ) && $post_data['meta'] ) { 358 foreach ( $post_data['meta'] as $key => $value ) { 359 $meta = get_post_meta_by_id( $key ); 360 if ( ! $meta ) { 361 continue; 362 } 363 if ( $meta->post_id != $post_ID ) { 364 continue; 365 } 366 if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $meta->meta_key ) ) { 367 continue; 368 } 369 if ( is_protected_meta( $value['key'], 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $value['key'] ) ) { 370 continue; 371 } 372 update_meta( $key, $value['key'], $value['value'] ); 373 } 374 } 375 376 if ( isset( $post_data['deletemeta'] ) && $post_data['deletemeta'] ) { 377 foreach ( $post_data['deletemeta'] as $key => $value ) { 378 $meta = get_post_meta_by_id( $key ); 379 if ( ! $meta ) { 380 continue; 381 } 382 if ( $meta->post_id != $post_ID ) { 383 continue; 384 } 385 if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $post_ID, $meta->meta_key ) ) { 386 continue; 387 } 388 delete_meta( $key ); 389 } 390 } 391 392 // Attachment stuff. 393 if ( 'attachment' === $post_data['post_type'] ) { 394 if ( isset( $post_data['_wp_attachment_image_alt'] ) ) { 395 $image_alt = wp_unslash( $post_data['_wp_attachment_image_alt'] ); 396 397 if ( get_post_meta( $post_ID, '_wp_attachment_image_alt', true ) !== $image_alt ) { 398 $image_alt = wp_strip_all_tags( $image_alt, true ); 399 400 // update_post_meta() expects slashed. 401 update_post_meta( $post_ID, '_wp_attachment_image_alt', wp_slash( $image_alt ) ); 402 } 403 } 404 405 $attachment_data = isset( $post_data['attachments'][ $post_ID ] ) ? $post_data['attachments'][ $post_ID ] : array(); 406 407 /** This filter is documented in wp-admin/includes/media.php */ 408 $translated = apply_filters( 'attachment_fields_to_save', $translated, $attachment_data ); 409 } 410 411 // Convert taxonomy input to term IDs, to avoid ambiguity. 412 if ( isset( $post_data['tax_input'] ) ) { 413 foreach ( (array) $post_data['tax_input'] as $taxonomy => $terms ) { 414 $tax_object = get_taxonomy( $taxonomy ); 415 416 if ( $tax_object && isset( $tax_object->meta_box_sanitize_cb ) ) { 417 $translated['tax_input'][ $taxonomy ] = call_user_func_array( $tax_object->meta_box_sanitize_cb, array( $taxonomy, $terms ) ); 418 } 419 } 420 } 421 422 add_meta( $post_ID ); 423 424 update_post_meta( $post_ID, '_edit_last', get_current_user_id() ); 425 426 $success = wp_update_post( $translated ); 427 428 // If the save failed, see if we can sanity check the main fields and try again. 429 if ( ! $success && is_callable( array( $wpdb, 'strip_invalid_text_for_column' ) ) ) { 430 $fields = array( 'post_title', 'post_content', 'post_excerpt' ); 431 432 foreach ( $fields as $field ) { 433 if ( isset( $translated[ $field ] ) ) { 434 $translated[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->posts, $field, $translated[ $field ] ); 435 } 436 } 437 438 wp_update_post( $translated ); 439 } 440 441 // Now that we have an ID we can fix any attachment anchor hrefs. 442 _fix_attachment_links( $post_ID ); 443 444 wp_set_post_lock( $post_ID ); 445 446 if ( current_user_can( $ptype->cap->edit_others_posts ) && current_user_can( $ptype->cap->publish_posts ) ) { 447 if ( ! empty( $post_data['sticky'] ) ) { 448 stick_post( $post_ID ); 449 } else { 450 unstick_post( $post_ID ); 451 } 452 } 453 454 return $post_ID; 455 } 456 457 /** 458 * Processes the post data for the bulk editing of posts. 459 * 460 * Updates all bulk edited posts/pages, adding (but not removing) tags and 461 * categories. Skips pages when they would be their own parent or child. 462 * 463 * @since 2.7.0 464 * 465 * @global wpdb $wpdb WordPress database abstraction object. 466 * 467 * @param array|null $post_data Optional. The array of post data to process. 468 * Defaults to the `$_POST` superglobal. 469 * @return array 470 */ 471 function bulk_edit_posts( $post_data = null ) { 472 global $wpdb; 473 474 if ( empty( $post_data ) ) { 475 $post_data = &$_POST; 476 } 477 478 if ( isset( $post_data['post_type'] ) ) { 479 $ptype = get_post_type_object( $post_data['post_type'] ); 480 } else { 481 $ptype = get_post_type_object( 'post' ); 482 } 483 484 if ( ! current_user_can( $ptype->cap->edit_posts ) ) { 485 if ( 'page' === $ptype->name ) { 486 wp_die( __( 'Sorry, you are not allowed to edit pages.' ) ); 487 } else { 488 wp_die( __( 'Sorry, you are not allowed to edit posts.' ) ); 489 } 490 } 491 492 if ( -1 == $post_data['_status'] ) { 493 $post_data['post_status'] = null; 494 unset( $post_data['post_status'] ); 495 } else { 496 $post_data['post_status'] = $post_data['_status']; 497 } 498 unset( $post_data['_status'] ); 499 500 if ( ! empty( $post_data['post_status'] ) ) { 501 $post_data['post_status'] = sanitize_key( $post_data['post_status'] ); 502 503 if ( 'inherit' === $post_data['post_status'] ) { 504 unset( $post_data['post_status'] ); 505 } 506 } 507 508 $post_IDs = array_map( 'intval', (array) $post_data['post'] ); 509 510 $reset = array( 511 'post_author', 512 'post_status', 513 'post_password', 514 'post_parent', 515 'page_template', 516 'comment_status', 517 'ping_status', 518 'keep_private', 519 'tax_input', 520 'post_category', 521 'sticky', 522 'post_format', 523 ); 524 525 foreach ( $reset as $field ) { 526 if ( isset( $post_data[ $field ] ) && ( '' === $post_data[ $field ] || -1 == $post_data[ $field ] ) ) { 527 unset( $post_data[ $field ] ); 528 } 529 } 530 531 if ( isset( $post_data['post_category'] ) ) { 532 if ( is_array( $post_data['post_category'] ) && ! empty( $post_data['post_category'] ) ) { 533 $new_cats = array_map( 'absint', $post_data['post_category'] ); 534 } else { 535 unset( $post_data['post_category'] ); 536 } 537 } 538 539 $tax_input = array(); 540 if ( isset( $post_data['tax_input'] ) ) { 541 foreach ( $post_data['tax_input'] as $tax_name => $terms ) { 542 if ( empty( $terms ) ) { 543 continue; 544 } 545 if ( is_taxonomy_hierarchical( $tax_name ) ) { 546 $tax_input[ $tax_name ] = array_map( 'absint', $terms ); 547 } else { 548 $comma = _x( ',', 'tag delimiter' ); 549 if ( ',' !== $comma ) { 550 $terms = str_replace( $comma, ',', $terms ); 551 } 552 $tax_input[ $tax_name ] = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) ); 553 } 554 } 555 } 556 557 if ( isset( $post_data['post_parent'] ) && (int) $post_data['post_parent'] ) { 558 $parent = (int) $post_data['post_parent']; 559 $pages = $wpdb->get_results( "SELECT ID, post_parent FROM $wpdb->posts WHERE post_type = 'page'" ); 560 $children = array(); 561 562 for ( $i = 0; $i < 50 && $parent > 0; $i++ ) { 563 $children[] = $parent; 564 565 foreach ( $pages as $page ) { 566 if ( (int) $page->ID === $parent ) { 567 $parent = (int) $page->post_parent; 568 break; 569 } 570 } 571 } 572 } 573 574 $updated = array(); 575 $skipped = array(); 576 $locked = array(); 577 $shared_post_data = $post_data; 578 579 foreach ( $post_IDs as $post_ID ) { 580 // Start with fresh post data with each iteration. 581 $post_data = $shared_post_data; 582 583 $post_type_object = get_post_type_object( get_post_type( $post_ID ) ); 584 585 if ( ! isset( $post_type_object ) 586 || ( isset( $children ) && in_array( $post_ID, $children, true ) ) 587 || ! current_user_can( 'edit_post', $post_ID ) 588 ) { 589 $skipped[] = $post_ID; 590 continue; 591 } 592 593 if ( wp_check_post_lock( $post_ID ) ) { 594 $locked[] = $post_ID; 595 continue; 596 } 597 598 $post = get_post( $post_ID ); 599 $tax_names = get_object_taxonomies( $post ); 600 601 foreach ( $tax_names as $tax_name ) { 602 $taxonomy_obj = get_taxonomy( $tax_name ); 603 604 if ( ! $taxonomy_obj->show_in_quick_edit ) { 605 continue; 606 } 607 608 if ( isset( $tax_input[ $tax_name ] ) && current_user_can( $taxonomy_obj->cap->assign_terms ) ) { 609 $new_terms = $tax_input[ $tax_name ]; 610 } else { 611 $new_terms = array(); 612 } 613 614 if ( $taxonomy_obj->hierarchical ) { 615 $current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array( 'fields' => 'ids' ) ); 616 } else { 617 $current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array( 'fields' => 'names' ) ); 618 } 619 620 $post_data['tax_input'][ $tax_name ] = array_merge( $current_terms, $new_terms ); 621 } 622 623 if ( isset( $new_cats ) && in_array( 'category', $tax_names, true ) ) { 624 $cats = (array) wp_get_post_categories( $post_ID ); 625 $post_data['post_category'] = array_unique( array_merge( $cats, $new_cats ) ); 626 unset( $post_data['tax_input']['category'] ); 627 } 628 629 $post_data['post_ID'] = $post_ID; 630 $post_data['post_type'] = $post->post_type; 631 $post_data['post_mime_type'] = $post->post_mime_type; 632 633 foreach ( array( 'comment_status', 'ping_status', 'post_author' ) as $field ) { 634 if ( ! isset( $post_data[ $field ] ) ) { 635 $post_data[ $field ] = $post->$field; 636 } 637 } 638 639 $post_data = _wp_translate_postdata( true, $post_data ); 640 if ( is_wp_error( $post_data ) ) { 641 $skipped[] = $post_ID; 642 continue; 643 } 644 $post_data = _wp_get_allowed_postdata( $post_data ); 645 646 if ( isset( $shared_post_data['post_format'] ) ) { 647 set_post_format( $post_ID, $shared_post_data['post_format'] ); 648 } 649 650 // Prevent wp_insert_post() from overwriting post format with the old data. 651 unset( $post_data['tax_input']['post_format'] ); 652 653 $post_id = wp_update_post( $post_data ); 654 update_post_meta( $post_id, '_edit_last', get_current_user_id() ); 655 $updated[] = $post_id; 656 657 if ( isset( $post_data['sticky'] ) && current_user_can( $ptype->cap->edit_others_posts ) ) { 658 if ( 'sticky' === $post_data['sticky'] ) { 659 stick_post( $post_ID ); 660 } else { 661 unstick_post( $post_ID ); 662 } 663 } 664 } 665 666 return array( 667 'updated' => $updated, 668 'skipped' => $skipped, 669 'locked' => $locked, 670 ); 671 } 672 673 /** 674 * Returns default post information to use when populating the "Write Post" form. 675 * 676 * @since 2.0.0 677 * 678 * @param string $post_type Optional. A post type string. Default 'post'. 679 * @param bool $create_in_db Optional. Whether to insert the post into database. Default false. 680 * @return WP_Post Post object containing all the default post data as attributes 681 */ 682 function get_default_post_to_edit( $post_type = 'post', $create_in_db = false ) { 683 $post_title = ''; 684 if ( ! empty( $_REQUEST['post_title'] ) ) { 685 $post_title = esc_html( wp_unslash( $_REQUEST['post_title'] ) ); 686 } 687 688 $post_content = ''; 689 if ( ! empty( $_REQUEST['content'] ) ) { 690 $post_content = esc_html( wp_unslash( $_REQUEST['content'] ) ); 691 } 692 693 $post_excerpt = ''; 694 if ( ! empty( $_REQUEST['excerpt'] ) ) { 695 $post_excerpt = esc_html( wp_unslash( $_REQUEST['excerpt'] ) ); 696 } 697 698 if ( $create_in_db ) { 699 $post_id = wp_insert_post( 700 array( 701 'post_title' => __( 'Auto Draft' ), 702 'post_type' => $post_type, 703 'post_status' => 'auto-draft', 704 ), 705 false, 706 false 707 ); 708 $post = get_post( $post_id ); 709 if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) && get_option( 'default_post_format' ) ) { 710 set_post_format( $post, get_option( 'default_post_format' ) ); 711 } 712 wp_after_insert_post( $post, false, null ); 713 714 // Schedule auto-draft cleanup. 715 if ( ! wp_next_scheduled( 'wp_scheduled_auto_draft_delete' ) ) { 716 wp_schedule_event( time(), 'daily', 'wp_scheduled_auto_draft_delete' ); 717 } 718 } else { 719 $post = new stdClass; 720 $post->ID = 0; 721 $post->post_author = ''; 722 $post->post_date = ''; 723 $post->post_date_gmt = ''; 724 $post->post_password = ''; 725 $post->post_name = ''; 726 $post->post_type = $post_type; 727 $post->post_status = 'draft'; 728 $post->to_ping = ''; 729 $post->pinged = ''; 730 $post->comment_status = get_default_comment_status( $post_type ); 731 $post->ping_status = get_default_comment_status( $post_type, 'pingback' ); 732 $post->post_pingback = get_option( 'default_pingback_flag' ); 733 $post->post_category = get_option( 'default_category' ); 734 $post->page_template = 'default'; 735 $post->post_parent = 0; 736 $post->menu_order = 0; 737 $post = new WP_Post( $post ); 738 } 739 740 /** 741 * Filters the default post content initially used in the "Write Post" form. 742 * 743 * @since 1.5.0 744 * 745 * @param string $post_content Default post content. 746 * @param WP_Post $post Post object. 747 */ 748 $post->post_content = (string) apply_filters( 'default_content', $post_content, $post ); 749 750 /** 751 * Filters the default post title initially used in the "Write Post" form. 752 * 753 * @since 1.5.0 754 * 755 * @param string $post_title Default post title. 756 * @param WP_Post $post Post object. 757 */ 758 $post->post_title = (string) apply_filters( 'default_title', $post_title, $post ); 759 760 /** 761 * Filters the default post excerpt initially used in the "Write Post" form. 762 * 763 * @since 1.5.0 764 * 765 * @param string $post_excerpt Default post excerpt. 766 * @param WP_Post $post Post object. 767 */ 768 $post->post_excerpt = (string) apply_filters( 'default_excerpt', $post_excerpt, $post ); 769 770 return $post; 771 } 772 773 /** 774 * Determines if a post exists based on title, content, date and type. 775 * 776 * @since 2.0.0 777 * @since 5.2.0 Added the `$type` parameter. 778 * @since 5.8.0 Added the `$status` parameter. 779 * 780 * @global wpdb $wpdb WordPress database abstraction object. 781 * 782 * @param string $title Post title. 783 * @param string $content Optional. Post content. 784 * @param string $date Optional. Post date. 785 * @param string $type Optional. Post type. 786 * @param string $status Optional. Post status. 787 * @return int Post ID if post exists, 0 otherwise. 788 */ 789 function post_exists( $title, $content = '', $date = '', $type = '', $status = '' ) { 790 global $wpdb; 791 792 $post_title = wp_unslash( sanitize_post_field( 'post_title', $title, 0, 'db' ) ); 793 $post_content = wp_unslash( sanitize_post_field( 'post_content', $content, 0, 'db' ) ); 794 $post_date = wp_unslash( sanitize_post_field( 'post_date', $date, 0, 'db' ) ); 795 $post_type = wp_unslash( sanitize_post_field( 'post_type', $type, 0, 'db' ) ); 796 $post_status = wp_unslash( sanitize_post_field( 'post_status', $status, 0, 'db' ) ); 797 798 $query = "SELECT ID FROM $wpdb->posts WHERE 1=1"; 799 $args = array(); 800 801 if ( ! empty( $date ) ) { 802 $query .= ' AND post_date = %s'; 803 $args[] = $post_date; 804 } 805 806 if ( ! empty( $title ) ) { 807 $query .= ' AND post_title = %s'; 808 $args[] = $post_title; 809 } 810 811 if ( ! empty( $content ) ) { 812 $query .= ' AND post_content = %s'; 813 $args[] = $post_content; 814 } 815 816 if ( ! empty( $type ) ) { 817 $query .= ' AND post_type = %s'; 818 $args[] = $post_type; 819 } 820 821 if ( ! empty( $status ) ) { 822 $query .= ' AND post_status = %s'; 823 $args[] = $post_status; 824 } 825 826 if ( ! empty( $args ) ) { 827 return (int) $wpdb->get_var( $wpdb->prepare( $query, $args ) ); 828 } 829 830 return 0; 831 } 832 833 /** 834 * Creates a new post from the "Write Post" form using `$_POST` information. 835 * 836 * @since 2.1.0 837 * 838 * @global WP_User $current_user 839 * 840 * @return int|WP_Error Post ID on success, WP_Error on failure. 841 */ 842 function wp_write_post() { 843 if ( isset( $_POST['post_type'] ) ) { 844 $ptype = get_post_type_object( $_POST['post_type'] ); 845 } else { 846 $ptype = get_post_type_object( 'post' ); 847 } 848 849 if ( ! current_user_can( $ptype->cap->edit_posts ) ) { 850 if ( 'page' === $ptype->name ) { 851 return new WP_Error( 'edit_pages', __( 'Sorry, you are not allowed to create pages on this site.' ) ); 852 } else { 853 return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to create posts or drafts on this site.' ) ); 854 } 855 } 856 857 $_POST['post_mime_type'] = ''; 858 859 // Clear out any data in internal vars. 860 unset( $_POST['filter'] ); 861 862 // Edit, don't write, if we have a post ID. 863 if ( isset( $_POST['post_ID'] ) ) { 864 return edit_post(); 865 } 866 867 if ( isset( $_POST['visibility'] ) ) { 868 switch ( $_POST['visibility'] ) { 869 case 'public': 870 $_POST['post_password'] = ''; 871 break; 872 case 'password': 873 unset( $_POST['sticky'] ); 874 break; 875 case 'private': 876 $_POST['post_status'] = 'private'; 877 $_POST['post_password'] = ''; 878 unset( $_POST['sticky'] ); 879 break; 880 } 881 } 882 883 $translated = _wp_translate_postdata( false ); 884 if ( is_wp_error( $translated ) ) { 885 return $translated; 886 } 887 $translated = _wp_get_allowed_postdata( $translated ); 888 889 // Create the post. 890 $post_ID = wp_insert_post( $translated ); 891 if ( is_wp_error( $post_ID ) ) { 892 return $post_ID; 893 } 894 895 if ( empty( $post_ID ) ) { 896 return 0; 897 } 898 899 add_meta( $post_ID ); 900 901 add_post_meta( $post_ID, '_edit_last', $GLOBALS['current_user']->ID ); 902 903 // Now that we have an ID we can fix any attachment anchor hrefs. 904 _fix_attachment_links( $post_ID ); 905 906 wp_set_post_lock( $post_ID ); 907 908 return $post_ID; 909 } 910 911 /** 912 * Calls wp_write_post() and handles the errors. 913 * 914 * @since 2.0.0 915 * 916 * @return int|void Post ID on success, void on failure. 917 */ 918 function write_post() { 919 $result = wp_write_post(); 920 if ( is_wp_error( $result ) ) { 921 wp_die( $result->get_error_message() ); 922 } else { 923 return $result; 924 } 925 } 926 927 // 928 // Post Meta. 929 // 930 931 /** 932 * Adds post meta data defined in the `$_POST` superglobal for a post with given ID. 933 * 934 * @since 1.2.0 935 * 936 * @param int $post_ID 937 * @return int|bool 938 */ 939 function add_meta( $post_ID ) { 940 $post_ID = (int) $post_ID; 941 942 $metakeyselect = isset( $_POST['metakeyselect'] ) ? wp_unslash( trim( $_POST['metakeyselect'] ) ) : ''; 943 $metakeyinput = isset( $_POST['metakeyinput'] ) ? wp_unslash( trim( $_POST['metakeyinput'] ) ) : ''; 944 $metavalue = isset( $_POST['metavalue'] ) ? $_POST['metavalue'] : ''; 945 if ( is_string( $metavalue ) ) { 946 $metavalue = trim( $metavalue ); 947 } 948 949 if ( ( ( '#NONE#' !== $metakeyselect ) && ! empty( $metakeyselect ) ) || ! empty( $metakeyinput ) ) { 950 /* 951 * We have a key/value pair. If both the select and the input 952 * for the key have data, the input takes precedence. 953 */ 954 if ( '#NONE#' !== $metakeyselect ) { 955 $metakey = $metakeyselect; 956 } 957 958 if ( $metakeyinput ) { 959 $metakey = $metakeyinput; // Default. 960 } 961 962 if ( is_protected_meta( $metakey, 'post' ) || ! current_user_can( 'add_post_meta', $post_ID, $metakey ) ) { 963 return false; 964 } 965 966 $metakey = wp_slash( $metakey ); 967 968 return add_post_meta( $post_ID, $metakey, $metavalue ); 969 } 970 971 return false; 972 } 973 974 /** 975 * Deletes post meta data by meta ID. 976 * 977 * @since 1.2.0 978 * 979 * @param int $mid 980 * @return bool 981 */ 982 function delete_meta( $mid ) { 983 return delete_metadata_by_mid( 'post', $mid ); 984 } 985 986 /** 987 * Returns a list of previously defined keys. 988 * 989 * @since 1.2.0 990 * 991 * @global wpdb $wpdb WordPress database abstraction object. 992 * 993 * @return string[] Array of meta key names. 994 */ 995 function get_meta_keys() { 996 global $wpdb; 997 998 $keys = $wpdb->get_col( 999 " 1000 SELECT meta_key 1001 FROM $wpdb->postmeta 1002 GROUP BY meta_key 1003 ORDER BY meta_key" 1004 ); 1005 1006 return $keys; 1007 } 1008 1009 /** 1010 * Returns post meta data by meta ID. 1011 * 1012 * @since 2.1.0 1013 * 1014 * @param int $mid 1015 * @return object|bool 1016 */ 1017 function get_post_meta_by_id( $mid ) { 1018 return get_metadata_by_mid( 'post', $mid ); 1019 } 1020 1021 /** 1022 * Returns meta data for the given post ID. 1023 * 1024 * @since 1.2.0 1025 * 1026 * @global wpdb $wpdb WordPress database abstraction object. 1027 * 1028 * @param int $postid A post ID. 1029 * @return array[] { 1030 * Array of meta data arrays for the given post ID. 1031 * 1032 * @type array ...$0 { 1033 * Associative array of meta data. 1034 * 1035 * @type string $meta_key Meta key. 1036 * @type mixed $meta_value Meta value. 1037 * @type string $meta_id Meta ID as a numeric string. 1038 * @type string $post_id Post ID as a numeric string. 1039 * } 1040 * } 1041 */ 1042 function has_meta( $postid ) { 1043 global $wpdb; 1044 1045 return $wpdb->get_results( 1046 $wpdb->prepare( 1047 "SELECT meta_key, meta_value, meta_id, post_id 1048 FROM $wpdb->postmeta WHERE post_id = %d 1049 ORDER BY meta_key,meta_id", 1050 $postid 1051 ), 1052 ARRAY_A 1053 ); 1054 } 1055 1056 /** 1057 * Updates post meta data by meta ID. 1058 * 1059 * @since 1.2.0 1060 * 1061 * @param int $meta_id Meta ID. 1062 * @param string $meta_key Meta key. Expect slashed. 1063 * @param string $meta_value Meta value. Expect slashed. 1064 * @return bool 1065 */ 1066 function update_meta( $meta_id, $meta_key, $meta_value ) { 1067 $meta_key = wp_unslash( $meta_key ); 1068 $meta_value = wp_unslash( $meta_value ); 1069 1070 return update_metadata_by_mid( 'post', $meta_id, $meta_value, $meta_key ); 1071 } 1072 1073 // 1074 // Private. 1075 // 1076 1077 /** 1078 * Replaces hrefs of attachment anchors with up-to-date permalinks. 1079 * 1080 * @since 2.3.0 1081 * @access private 1082 * 1083 * @param int|object $post Post ID or post object. 1084 * @return void|int|WP_Error Void if nothing fixed. 0 or WP_Error on update failure. The post ID on update success. 1085 */ 1086 function _fix_attachment_links( $post ) { 1087 $post = get_post( $post, ARRAY_A ); 1088 $content = $post['post_content']; 1089 1090 // Don't run if no pretty permalinks or post is not published, scheduled, or privately published. 1091 if ( ! get_option( 'permalink_structure' ) || ! in_array( $post['post_status'], array( 'publish', 'future', 'private' ), true ) ) { 1092 return; 1093 } 1094 1095 // Short if there aren't any links or no '?attachment_id=' strings (strpos cannot be zero). 1096 if ( ! strpos( $content, '?attachment_id=' ) || ! preg_match_all( '/<a ([^>]+)>[\s\S]+?<\/a>/', $content, $link_matches ) ) { 1097 return; 1098 } 1099 1100 $site_url = get_bloginfo( 'url' ); 1101 $site_url = substr( $site_url, (int) strpos( $site_url, '://' ) ); // Remove the http(s). 1102 $replace = ''; 1103 1104 foreach ( $link_matches[1] as $key => $value ) { 1105 if ( ! strpos( $value, '?attachment_id=' ) || ! strpos( $value, 'wp-att-' ) 1106 || ! preg_match( '/href=(["\'])[^"\']*\?attachment_id=(\d+)[^"\']*\\1/', $value, $url_match ) 1107 || ! preg_match( '/rel=["\'][^"\']*wp-att-(\d+)/', $value, $rel_match ) ) { 1108 continue; 1109 } 1110 1111 $quote = $url_match[1]; // The quote (single or double). 1112 $url_id = (int) $url_match[2]; 1113 $rel_id = (int) $rel_match[1]; 1114 1115 if ( ! $url_id || ! $rel_id || $url_id != $rel_id || strpos( $url_match[0], $site_url ) === false ) { 1116 continue; 1117 } 1118 1119 $link = $link_matches[0][ $key ]; 1120 $replace = str_replace( $url_match[0], 'href=' . $quote . get_attachment_link( $url_id ) . $quote, $link ); 1121 1122 $content = str_replace( $link, $replace, $content ); 1123 } 1124 1125 if ( $replace ) { 1126 $post['post_content'] = $content; 1127 // Escape data pulled from DB. 1128 $post = add_magic_quotes( $post ); 1129 1130 return wp_update_post( $post ); 1131 } 1132 } 1133 1134 /** 1135 * Returns all the possible statuses for a post type. 1136 * 1137 * @since 2.5.0 1138 * 1139 * @param string $type The post_type you want the statuses for. Default 'post'. 1140 * @return string[] An array of all the statuses for the supplied post type. 1141 */ 1142 function get_available_post_statuses( $type = 'post' ) { 1143 $stati = wp_count_posts( $type ); 1144 1145 return array_keys( get_object_vars( $stati ) ); 1146 } 1147 1148 /** 1149 * Runs the query to fetch the posts for listing on the edit posts page. 1150 * 1151 * @since 2.5.0 1152 * 1153 * @param array|false $q Optional. Array of query variables to use to build the query. 1154 * Defaults to the `$_GET` superglobal. 1155 * @return array 1156 */ 1157 function wp_edit_posts_query( $q = false ) { 1158 if ( false === $q ) { 1159 $q = $_GET; 1160 } 1161 $q['m'] = isset( $q['m'] ) ? (int) $q['m'] : 0; 1162 $q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0; 1163 $post_stati = get_post_stati(); 1164 1165 if ( isset( $q['post_type'] ) && in_array( $q['post_type'], get_post_types(), true ) ) { 1166 $post_type = $q['post_type']; 1167 } else { 1168 $post_type = 'post'; 1169 } 1170 1171 $avail_post_stati = get_available_post_statuses( $post_type ); 1172 $post_status = ''; 1173 $perm = ''; 1174 1175 if ( isset( $q['post_status'] ) && in_array( $q['post_status'], $post_stati, true ) ) { 1176 $post_status = $q['post_status']; 1177 $perm = 'readable'; 1178 } 1179 1180 $orderby = ''; 1181 1182 if ( isset( $q['orderby'] ) ) { 1183 $orderby = $q['orderby']; 1184 } elseif ( isset( $q['post_status'] ) && in_array( $q['post_status'], array( 'pending', 'draft' ), true ) ) { 1185 $orderby = 'modified'; 1186 } 1187 1188 $order = ''; 1189 1190 if ( isset( $q['order'] ) ) { 1191 $order = $q['order']; 1192 } elseif ( isset( $q['post_status'] ) && 'pending' === $q['post_status'] ) { 1193 $order = 'ASC'; 1194 } 1195 1196 $per_page = "edit_{$post_type}_per_page"; 1197 $posts_per_page = (int) get_user_option( $per_page ); 1198 if ( empty( $posts_per_page ) || $posts_per_page < 1 ) { 1199 $posts_per_page = 20; 1200 } 1201 1202 /** 1203 * Filters the number of items per page to show for a specific 'per_page' type. 1204 * 1205 * The dynamic portion of the hook name, `$post_type`, refers to the post type. 1206 * 1207 * Possible hook names include: 1208 * 1209 * - `edit_post_per_page` 1210 * - `edit_page_per_page` 1211 * - `edit_attachment_per_page` 1212 * 1213 * @since 3.0.0 1214 * 1215 * @param int $posts_per_page Number of posts to display per page for the given post 1216 * type. Default 20. 1217 */ 1218 $posts_per_page = apply_filters( "edit_{$post_type}_per_page", $posts_per_page ); 1219 1220 /** 1221 * Filters the number of posts displayed per page when specifically listing "posts". 1222 * 1223 * @since 2.8.0 1224 * 1225 * @param int $posts_per_page Number of posts to be displayed. Default 20. 1226 * @param string $post_type The post type. 1227 */ 1228 $posts_per_page = apply_filters( 'edit_posts_per_page', $posts_per_page, $post_type ); 1229 1230 $query = compact( 'post_type', 'post_status', 'perm', 'order', 'orderby', 'posts_per_page' ); 1231 1232 // Hierarchical types require special args. 1233 if ( is_post_type_hierarchical( $post_type ) && empty( $orderby ) ) { 1234 $query['orderby'] = 'menu_order title'; 1235 $query['order'] = 'asc'; 1236 $query['posts_per_page'] = -1; 1237 $query['posts_per_archive_page'] = -1; 1238 $query['fields'] = 'id=>parent'; 1239 } 1240 1241 if ( ! empty( $q['show_sticky'] ) ) { 1242 $query['post__in'] = (array) get_option( 'sticky_posts' ); 1243 } 1244 1245 wp( $query ); 1246 1247 return $avail_post_stati; 1248 } 1249 1250 /** 1251 * Returns the query variables for the current attachments request. 1252 * 1253 * @since 4.2.0 1254 * 1255 * @param array|false $q Optional. Array of query variables to use to build the query. 1256 * Defaults to the `$_GET` superglobal. 1257 * @return array The parsed query vars. 1258 */ 1259 function wp_edit_attachments_query_vars( $q = false ) { 1260 if ( false === $q ) { 1261 $q = $_GET; 1262 } 1263 $q['m'] = isset( $q['m'] ) ? (int) $q['m'] : 0; 1264 $q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0; 1265 $q['post_type'] = 'attachment'; 1266 $post_type = get_post_type_object( 'attachment' ); 1267 $states = 'inherit'; 1268 if ( current_user_can( $post_type->cap->read_private_posts ) ) { 1269 $states .= ',private'; 1270 } 1271 1272 $q['post_status'] = isset( $q['status'] ) && 'trash' === $q['status'] ? 'trash' : $states; 1273 $q['post_status'] = isset( $q['attachment-filter'] ) && 'trash' === $q['attachment-filter'] ? 'trash' : $states; 1274 1275 $media_per_page = (int) get_user_option( 'upload_per_page' ); 1276 if ( empty( $media_per_page ) || $media_per_page < 1 ) { 1277 $media_per_page = 20; 1278 } 1279 1280 /** 1281 * Filters the number of items to list per page when listing media items. 1282 * 1283 * @since 2.9.0 1284 * 1285 * @param int $media_per_page Number of media to list. Default 20. 1286 */ 1287 $q['posts_per_page'] = apply_filters( 'upload_per_page', $media_per_page ); 1288 1289 $post_mime_types = get_post_mime_types(); 1290 if ( isset( $q['post_mime_type'] ) && ! array_intersect( (array) $q['post_mime_type'], array_keys( $post_mime_types ) ) ) { 1291 unset( $q['post_mime_type'] ); 1292 } 1293 1294 foreach ( array_keys( $post_mime_types ) as $type ) { 1295 if ( isset( $q['attachment-filter'] ) && "post_mime_type:$type" === $q['attachment-filter'] ) { 1296 $q['post_mime_type'] = $type; 1297 break; 1298 } 1299 } 1300 1301 if ( isset( $q['detached'] ) || ( isset( $q['attachment-filter'] ) && 'detached' === $q['attachment-filter'] ) ) { 1302 $q['post_parent'] = 0; 1303 } 1304 1305 if ( isset( $q['mine'] ) || ( isset( $q['attachment-filter'] ) && 'mine' === $q['attachment-filter'] ) ) { 1306 $q['author'] = get_current_user_id(); 1307 } 1308 1309 // Filter query clauses to include filenames. 1310 if ( isset( $q['s'] ) ) { 1311 add_filter( 'posts_clauses', '_filter_query_attachment_filenames' ); 1312 } 1313 1314 return $q; 1315 } 1316 1317 /** 1318 * Executes a query for attachments. An array of WP_Query arguments 1319 * can be passed in, which will override the arguments set by this function. 1320 * 1321 * @since 2.5.0 1322 * 1323 * @param array|false $q Optional. Array of query variables to use to build the query. 1324 * Defaults to the `$_GET` superglobal. 1325 * @return array 1326 */ 1327 function wp_edit_attachments_query( $q = false ) { 1328 wp( wp_edit_attachments_query_vars( $q ) ); 1329 1330 $post_mime_types = get_post_mime_types(); 1331 $avail_post_mime_types = get_available_post_mime_types( 'attachment' ); 1332 1333 return array( $post_mime_types, $avail_post_mime_types ); 1334 } 1335 1336 /** 1337 * Returns the list of classes to be used by a meta box. 1338 * 1339 * @since 2.5.0 1340 * 1341 * @param string $box_id Meta box ID (used in the 'id' attribute for the meta box). 1342 * @param string $screen_id The screen on which the meta box is shown. 1343 * @return string Space-separated string of class names. 1344 */ 1345 function postbox_classes( $box_id, $screen_id ) { 1346 if ( isset( $_GET['edit'] ) && $_GET['edit'] == $box_id ) { 1347 $classes = array( '' ); 1348 } elseif ( get_user_option( 'closedpostboxes_' . $screen_id ) ) { 1349 $closed = get_user_option( 'closedpostboxes_' . $screen_id ); 1350 if ( ! is_array( $closed ) ) { 1351 $classes = array( '' ); 1352 } else { 1353 $classes = in_array( $box_id, $closed, true ) ? array( 'closed' ) : array( '' ); 1354 } 1355 } else { 1356 $classes = array( '' ); 1357 } 1358 1359 /** 1360 * Filters the postbox classes for a specific screen and box ID combo. 1361 * 1362 * The dynamic portions of the hook name, `$screen_id` and `$box_id`, refer to 1363 * the screen ID and meta box ID, respectively. 1364 * 1365 * @since 3.2.0 1366 * 1367 * @param string[] $classes An array of postbox classes. 1368 */ 1369 $classes = apply_filters( "postbox_classes_{$screen_id}_{$box_id}", $classes ); 1370 1371 return implode( ' ', $classes ); 1372 } 1373 1374 /** 1375 * Returns a sample permalink based on the post name. 1376 * 1377 * @since 2.5.0 1378 * 1379 * @param int|WP_Post $post Post ID or post object. 1380 * @param string|null $title Optional. Title to override the post's current title 1381 * when generating the post name. Default null. 1382 * @param string|null $name Optional. Name to override the post name. Default null. 1383 * @return array { 1384 * Array containing the sample permalink with placeholder for the post name, and the post name. 1385 * 1386 * @type string $0 The permalink with placeholder for the post name. 1387 * @type string $1 The post name. 1388 * } 1389 */ 1390 function get_sample_permalink( $post, $title = null, $name = null ) { 1391 $post = get_post( $post ); 1392 1393 if ( ! $post ) { 1394 return array( '', '' ); 1395 } 1396 1397 $ptype = get_post_type_object( $post->post_type ); 1398 1399 $original_status = $post->post_status; 1400 $original_date = $post->post_date; 1401 $original_name = $post->post_name; 1402 1403 // Hack: get_permalink() would return plain permalink for drafts, so we will fake that our post is published. 1404 if ( in_array( $post->post_status, array( 'draft', 'pending', 'future' ), true ) ) { 1405 $post->post_status = 'publish'; 1406 $post->post_name = sanitize_title( $post->post_name ? $post->post_name : $post->post_title, $post->ID ); 1407 } 1408 1409 // If the user wants to set a new name -- override the current one. 1410 // Note: if empty name is supplied -- use the title instead, see #6072. 1411 if ( ! is_null( $name ) ) { 1412 $post->post_name = sanitize_title( $name ? $name : $title, $post->ID ); 1413 } 1414 1415 $post->post_name = wp_unique_post_slug( $post->post_name, $post->ID, $post->post_status, $post->post_type, $post->post_parent ); 1416 1417 $post->filter = 'sample'; 1418 1419 $permalink = get_permalink( $post, true ); 1420 1421 // Replace custom post_type token with generic pagename token for ease of use. 1422 $permalink = str_replace( "%$post->post_type%", '%pagename%', $permalink ); 1423 1424 // Handle page hierarchy. 1425 if ( $ptype->hierarchical ) { 1426 $uri = get_page_uri( $post ); 1427 if ( $uri ) { 1428 $uri = untrailingslashit( $uri ); 1429 $uri = strrev( stristr( strrev( $uri ), '/' ) ); 1430 $uri = untrailingslashit( $uri ); 1431 } 1432 1433 /** This filter is documented in wp-admin/edit-tag-form.php */ 1434 $uri = apply_filters( 'editable_slug', $uri, $post ); 1435 if ( ! empty( $uri ) ) { 1436 $uri .= '/'; 1437 } 1438 $permalink = str_replace( '%pagename%', "{$uri}%pagename%", $permalink ); 1439 } 1440 1441 /** This filter is documented in wp-admin/edit-tag-form.php */ 1442 $permalink = array( $permalink, apply_filters( 'editable_slug', $post->post_name, $post ) ); 1443 $post->post_status = $original_status; 1444 $post->post_date = $original_date; 1445 $post->post_name = $original_name; 1446 unset( $post->filter ); 1447 1448 /** 1449 * Filters the sample permalink. 1450 * 1451 * @since 4.4.0 1452 * 1453 * @param array $permalink { 1454 * Array containing the sample permalink with placeholder for the post name, and the post name. 1455 * 1456 * @type string $0 The permalink with placeholder for the post name. 1457 * @type string $1 The post name. 1458 * } 1459 * @param int $post_id Post ID. 1460 * @param string $title Post title. 1461 * @param string $name Post name (slug). 1462 * @param WP_Post $post Post object. 1463 */ 1464 return apply_filters( 'get_sample_permalink', $permalink, $post->ID, $title, $name, $post ); 1465 } 1466 1467 /** 1468 * Returns the HTML of the sample permalink slug editor. 1469 * 1470 * @since 2.5.0 1471 * 1472 * @param int|WP_Post $post Post ID or post object. 1473 * @param string|null $new_title Optional. New title. Default null. 1474 * @param string|null $new_slug Optional. New slug. Default null. 1475 * @return string The HTML of the sample permalink slug editor. 1476 */ 1477 function get_sample_permalink_html( $post, $new_title = null, $new_slug = null ) { 1478 $post = get_post( $post ); 1479 1480 if ( ! $post ) { 1481 return ''; 1482 } 1483 1484 list($permalink, $post_name) = get_sample_permalink( $post->ID, $new_title, $new_slug ); 1485 1486 $view_link = false; 1487 $preview_target = ''; 1488 1489 if ( current_user_can( 'read_post', $post->ID ) ) { 1490 if ( 'draft' === $post->post_status || empty( $post->post_name ) ) { 1491 $view_link = get_preview_post_link( $post ); 1492 $preview_target = " target='wp-preview-{$post->ID}'"; 1493 } else { 1494 if ( 'publish' === $post->post_status || 'attachment' === $post->post_type ) { 1495 $view_link = get_permalink( $post ); 1496 } else { 1497 // Allow non-published (private, future) to be viewed at a pretty permalink, in case $post->post_name is set. 1498 $view_link = str_replace( array( '%pagename%', '%postname%' ), $post->post_name, $permalink ); 1499 } 1500 } 1501 } 1502 1503 // Permalinks without a post/page name placeholder don't have anything to edit. 1504 if ( false === strpos( $permalink, '%postname%' ) && false === strpos( $permalink, '%pagename%' ) ) { 1505 $return = '<strong>' . __( 'Permalink:' ) . "</strong>\n"; 1506 1507 if ( false !== $view_link ) { 1508 $display_link = urldecode( $view_link ); 1509 $return .= '<a id="sample-permalink" href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . esc_html( $display_link ) . "</a>\n"; 1510 } else { 1511 $return .= '<span id="sample-permalink">' . $permalink . "</span>\n"; 1512 } 1513 1514 // Encourage a pretty permalink setting. 1515 if ( ! get_option( 'permalink_structure' ) && current_user_can( 'manage_options' ) 1516 && ! ( 'page' === get_option( 'show_on_front' ) && get_option( 'page_on_front' ) == $post->ID ) 1517 ) { 1518 $return .= '<span id="change-permalinks"><a href="options-permalink.php" class="button button-small">' . __( 'Change Permalink Structure' ) . "</a></span>\n"; 1519 } 1520 } else { 1521 if ( mb_strlen( $post_name ) > 34 ) { 1522 $post_name_abridged = mb_substr( $post_name, 0, 16 ) . '…' . mb_substr( $post_name, -16 ); 1523 } else { 1524 $post_name_abridged = $post_name; 1525 } 1526 1527 $post_name_html = '<span id="editable-post-name">' . esc_html( $post_name_abridged ) . '</span>'; 1528 $display_link = str_replace( array( '%pagename%', '%postname%' ), $post_name_html, esc_html( urldecode( $permalink ) ) ); 1529 1530 $return = '<strong>' . __( 'Permalink:' ) . "</strong>\n"; 1531 $return .= '<span id="sample-permalink"><a href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . $display_link . "</a></span>\n"; 1532 $return .= '‎'; // Fix bi-directional text display defect in RTL languages. 1533 $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"; 1534 $return .= '<span id="editable-post-name-full">' . esc_html( $post_name ) . "</span>\n"; 1535 } 1536 1537 /** 1538 * Filters the sample permalink HTML markup. 1539 * 1540 * @since 2.9.0 1541 * @since 4.4.0 Added `$post` parameter. 1542 * 1543 * @param string $return Sample permalink HTML markup. 1544 * @param int $post_id Post ID. 1545 * @param string $new_title New sample permalink title. 1546 * @param string $new_slug New sample permalink slug. 1547 * @param WP_Post $post Post object. 1548 */ 1549 $return = apply_filters( 'get_sample_permalink_html', $return, $post->ID, $new_title, $new_slug, $post ); 1550 1551 return $return; 1552 } 1553 1554 /** 1555 * Returns HTML for the post thumbnail meta box. 1556 * 1557 * @since 2.9.0 1558 * 1559 * @param int|null $thumbnail_id Optional. Thumbnail attachment ID. Default null. 1560 * @param int|WP_Post|null $post Optional. The post ID or object associated 1561 * with the thumbnail. Defaults to global $post. 1562 * @return string The post thumbnail HTML. 1563 */ 1564 function _wp_post_thumbnail_html( $thumbnail_id = null, $post = null ) { 1565 $_wp_additional_image_sizes = wp_get_additional_image_sizes(); 1566 1567 $post = get_post( $post ); 1568 $post_type_object = get_post_type_object( $post->post_type ); 1569 $set_thumbnail_link = '<p class="hide-if-no-js"><a href="%s" id="set-post-thumbnail"%s class="thickbox">%s</a></p>'; 1570 $upload_iframe_src = get_upload_iframe_src( 'image', $post->ID ); 1571 1572 $content = sprintf( 1573 $set_thumbnail_link, 1574 esc_url( $upload_iframe_src ), 1575 '', // Empty when there's no featured image set, `aria-describedby` attribute otherwise. 1576 esc_html( $post_type_object->labels->set_featured_image ) 1577 ); 1578 1579 if ( $thumbnail_id && get_post( $thumbnail_id ) ) { 1580 $size = isset( $_wp_additional_image_sizes['post-thumbnail'] ) ? 'post-thumbnail' : array( 266, 266 ); 1581 1582 /** 1583 * Filters the size used to display the post thumbnail image in the 'Featured image' meta box. 1584 * 1585 * Note: When a theme adds 'post-thumbnail' support, a special 'post-thumbnail' 1586 * image size is registered, which differs from the 'thumbnail' image size 1587 * managed via the Settings > Media screen. 1588 * 1589 * @since 4.4.0 1590 * 1591 * @param string|int[] $size Requested image size. Can be any registered image size name, or 1592 * an array of width and height values in pixels (in that order). 1593 * @param int $thumbnail_id Post thumbnail attachment ID. 1594 * @param WP_Post $post The post object associated with the thumbnail. 1595 */ 1596 $size = apply_filters( 'admin_post_thumbnail_size', $size, $thumbnail_id, $post ); 1597 1598 $thumbnail_html = wp_get_attachment_image( $thumbnail_id, $size ); 1599 1600 if ( ! empty( $thumbnail_html ) ) { 1601 $content = sprintf( 1602 $set_thumbnail_link, 1603 esc_url( $upload_iframe_src ), 1604 ' aria-describedby="set-post-thumbnail-desc"', 1605 $thumbnail_html 1606 ); 1607 $content .= '<p class="hide-if-no-js howto" id="set-post-thumbnail-desc">' . __( 'Click the image to edit or update' ) . '</p>'; 1608 $content .= '<p class="hide-if-no-js"><a href="#" id="remove-post-thumbnail">' . esc_html( $post_type_object->labels->remove_featured_image ) . '</a></p>'; 1609 } 1610 } 1611 1612 $content .= '<input type="hidden" id="_thumbnail_id" name="_thumbnail_id" value="' . esc_attr( $thumbnail_id ? $thumbnail_id : '-1' ) . '" />'; 1613 1614 /** 1615 * Filters the admin post thumbnail HTML markup to return. 1616 * 1617 * @since 2.9.0 1618 * @since 3.5.0 Added the `$post_id` parameter. 1619 * @since 4.6.0 Added the `$thumbnail_id` parameter. 1620 * 1621 * @param string $content Admin post thumbnail HTML markup. 1622 * @param int $post_id Post ID. 1623 * @param int|null $thumbnail_id Thumbnail attachment ID, or null if there isn't one. 1624 */ 1625 return apply_filters( 'admin_post_thumbnail_html', $content, $post->ID, $thumbnail_id ); 1626 } 1627 1628 /** 1629 * Determines whether the post is currently being edited by another user. 1630 * 1631 * @since 2.5.0 1632 * 1633 * @param int|WP_Post $post ID or object of the post to check for editing. 1634 * @return int|false ID of the user with lock. False if the post does not exist, post is not locked, 1635 * the user with lock does not exist, or the post is locked by current user. 1636 */ 1637 function wp_check_post_lock( $post ) { 1638 $post = get_post( $post ); 1639 1640 if ( ! $post ) { 1641 return false; 1642 } 1643 1644 $lock = get_post_meta( $post->ID, '_edit_lock', true ); 1645 1646 if ( ! $lock ) { 1647 return false; 1648 } 1649 1650 $lock = explode( ':', $lock ); 1651 $time = $lock[0]; 1652 $user = isset( $lock[1] ) ? $lock[1] : get_post_meta( $post->ID, '_edit_last', true ); 1653 1654 if ( ! get_userdata( $user ) ) { 1655 return false; 1656 } 1657 1658 /** This filter is documented in wp-admin/includes/ajax-actions.php */ 1659 $time_window = apply_filters( 'wp_check_post_lock_window', 150 ); 1660 1661 if ( $time && $time > time() - $time_window && get_current_user_id() != $user ) { 1662 return $user; 1663 } 1664 1665 return false; 1666 } 1667 1668 /** 1669 * Marks the post as currently being edited by the current user. 1670 * 1671 * @since 2.5.0 1672 * 1673 * @param int|WP_Post $post ID or object of the post being edited. 1674 * @return array|false { 1675 * Array of the lock time and user ID. False if the post does not exist, or there 1676 * is no current user. 1677 * 1678 * @type int $0 The current time as a Unix timestamp. 1679 * @type int $1 The ID of the current user. 1680 * } 1681 */ 1682 function wp_set_post_lock( $post ) { 1683 $post = get_post( $post ); 1684 1685 if ( ! $post ) { 1686 return false; 1687 } 1688 1689 $user_id = get_current_user_id(); 1690 1691 if ( 0 == $user_id ) { 1692 return false; 1693 } 1694 1695 $now = time(); 1696 $lock = "$now:$user_id"; 1697 1698 update_post_meta( $post->ID, '_edit_lock', $lock ); 1699 1700 return array( $now, $user_id ); 1701 } 1702 1703 /** 1704 * Outputs the HTML for the notice to say that someone else is editing or has taken over editing of this post. 1705 * 1706 * @since 2.8.5 1707 */ 1708 function _admin_notice_post_locked() { 1709 $post = get_post(); 1710 1711 if ( ! $post ) { 1712 return; 1713 } 1714 1715 $user = null; 1716 $user_id = wp_check_post_lock( $post->ID ); 1717 1718 if ( $user_id ) { 1719 $user = get_userdata( $user_id ); 1720 } 1721 1722 if ( $user ) { 1723 /** 1724 * Filters whether to show the post locked dialog. 1725 * 1726 * Returning false from the filter will prevent the dialog from being displayed. 1727 * 1728 * @since 3.6.0 1729 * 1730 * @param bool $display Whether to display the dialog. Default true. 1731 * @param WP_Post $post Post object. 1732 * @param WP_User $user The user with the lock for the post. 1733 */ 1734 if ( ! apply_filters( 'show_post_locked_dialog', true, $post, $user ) ) { 1735 return; 1736 } 1737 1738 $locked = true; 1739 } else { 1740 $locked = false; 1741 } 1742 1743 $sendback = wp_get_referer(); 1744 if ( $locked && $sendback && false === strpos( $sendback, 'post.php' ) && false === strpos( $sendback, 'post-new.php' ) ) { 1745 1746 $sendback_text = __( 'Go back' ); 1747 } else { 1748 $sendback = admin_url( 'edit.php' ); 1749 1750 if ( 'post' !== $post->post_type ) { 1751 $sendback = add_query_arg( 'post_type', $post->post_type, $sendback ); 1752 } 1753 1754 $sendback_text = get_post_type_object( $post->post_type )->labels->all_items; 1755 } 1756 1757 $hidden = $locked ? '' : ' hidden'; 1758 1759 ?> 1760 <div id="post-lock-dialog" class="notification-dialog-wrap<?php echo $hidden; ?>"> 1761 <div class="notification-dialog-background"></div> 1762 <div class="notification-dialog"> 1763 <?php 1764 1765 if ( $locked ) { 1766 $query_args = array(); 1767 if ( get_post_type_object( $post->post_type )->public ) { 1768 if ( 'publish' === $post->post_status || $user->ID != $post->post_author ) { 1769 // Latest content is in autosave. 1770 $nonce = wp_create_nonce( 'post_preview_' . $post->ID ); 1771 $query_args['preview_id'] = $post->ID; 1772 $query_args['preview_nonce'] = $nonce; 1773 } 1774 } 1775 1776 $preview_link = get_preview_post_link( $post->ID, $query_args ); 1777 1778 /** 1779 * Filters whether to allow the post lock to be overridden. 1780 * 1781 * Returning false from the filter will disable the ability 1782 * to override the post lock. 1783 * 1784 * @since 3.6.0 1785 * 1786 * @param bool $override Whether to allow the post lock to be overridden. Default true. 1787 * @param WP_Post $post Post object. 1788 * @param WP_User $user The user with the lock for the post. 1789 */ 1790 $override = apply_filters( 'override_post_lock', true, $post, $user ); 1791 $tab_last = $override ? '' : ' wp-tab-last'; 1792 1793 ?> 1794 <div class="post-locked-message"> 1795 <div class="post-locked-avatar"><?php echo get_avatar( $user->ID, 64 ); ?></div> 1796 <p class="currently-editing wp-tab-first" tabindex="0"> 1797 <?php 1798 if ( $override ) { 1799 /* translators: %s: User's display name. */ 1800 printf( __( '%s is currently editing this post. Do you want to take over?' ), esc_html( $user->display_name ) ); 1801 } else { 1802 /* translators: %s: User's display name. */ 1803 printf( __( '%s is currently editing this post.' ), esc_html( $user->display_name ) ); 1804 } 1805 ?> 1806 </p> 1807 <?php 1808 /** 1809 * Fires inside the post locked dialog before the buttons are displayed. 1810 * 1811 * @since 3.6.0 1812 * @since 5.4.0 The $user parameter was added. 1813 * 1814 * @param WP_Post $post Post object. 1815 * @param WP_User $user The user with the lock for the post. 1816 */ 1817 do_action( 'post_locked_dialog', $post, $user ); 1818 ?> 1819 <p> 1820 <a class="button" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a> 1821 <?php if ( $preview_link ) { ?> 1822 <a class="button<?php echo $tab_last; ?>" href="<?php echo esc_url( $preview_link ); ?>"><?php _e( 'Preview' ); ?></a> 1823 <?php 1824 } 1825 1826 // Allow plugins to prevent some users overriding the post lock. 1827 if ( $override ) { 1828 ?> 1829 <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> 1830 <?php 1831 } 1832 1833 ?> 1834 </p> 1835 </div> 1836 <?php 1837 } else { 1838 ?> 1839 <div class="post-taken-over"> 1840 <div class="post-locked-avatar"></div> 1841 <p class="wp-tab-first" tabindex="0"> 1842 <span class="currently-editing"></span><br /> 1843 <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> 1844 <span class="locked-saved hidden"><?php _e( 'Your latest changes were saved as a revision.' ); ?></span> 1845 </p> 1846 <?php 1847 /** 1848 * Fires inside the dialog displayed when a user has lost the post lock. 1849 * 1850 * @since 3.6.0 1851 * 1852 * @param WP_Post $post Post object. 1853 */ 1854 do_action( 'post_lock_lost_dialog', $post ); 1855 ?> 1856 <p><a class="button button-primary wp-tab-last" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a></p> 1857 </div> 1858 <?php 1859 } 1860 1861 ?> 1862 </div> 1863 </div> 1864 <?php 1865 } 1866 1867 /** 1868 * Creates autosave data for the specified post from `$_POST` data. 1869 * 1870 * @since 2.6.0 1871 * 1872 * @param array|int $post_data Associative array containing the post data, or integer post ID. 1873 * If a numeric post ID is provided, will use the `$_POST` superglobal. 1874 * @return int|WP_Error The autosave revision ID. WP_Error or 0 on error. 1875 */ 1876 function wp_create_post_autosave( $post_data ) { 1877 if ( is_numeric( $post_data ) ) { 1878 $post_id = $post_data; 1879 $post_data = $_POST; 1880 } else { 1881 $post_id = (int) $post_data['post_ID']; 1882 } 1883 1884 $post_data = _wp_translate_postdata( true, $post_data ); 1885 if ( is_wp_error( $post_data ) ) { 1886 return $post_data; 1887 } 1888 $post_data = _wp_get_allowed_postdata( $post_data ); 1889 1890 $post_author = get_current_user_id(); 1891 1892 // Store one autosave per author. If there is already an autosave, overwrite it. 1893 $old_autosave = wp_get_post_autosave( $post_id, $post_author ); 1894 if ( $old_autosave ) { 1895 $new_autosave = _wp_post_revision_data( $post_data, true ); 1896 $new_autosave['ID'] = $old_autosave->ID; 1897 $new_autosave['post_author'] = $post_author; 1898 1899 $post = get_post( $post_id ); 1900 1901 // If the new autosave has the same content as the post, delete the autosave. 1902 $autosave_is_different = false; 1903 foreach ( array_intersect( array_keys( $new_autosave ), array_keys( _wp_post_revision_fields( $post ) ) ) as $field ) { 1904 if ( normalize_whitespace( $new_autosave[ $field ] ) !== normalize_whitespace( $post->$field ) ) { 1905 $autosave_is_different = true; 1906 break; 1907 } 1908 } 1909 1910 if ( ! $autosave_is_different ) { 1911 wp_delete_post_revision( $old_autosave->ID ); 1912 return 0; 1913 } 1914 1915 /** 1916 * Fires before an autosave is stored. 1917 * 1918 * @since 4.1.0 1919 * 1920 * @param array $new_autosave Post array - the autosave that is about to be saved. 1921 */ 1922 do_action( 'wp_creating_autosave', $new_autosave ); 1923 1924 return wp_update_post( $new_autosave ); 1925 } 1926 1927 // _wp_put_post_revision() expects unescaped. 1928 $post_data = wp_unslash( $post_data ); 1929 1930 // Otherwise create the new autosave as a special post revision. 1931 return _wp_put_post_revision( $post_data, true ); 1932 } 1933 1934 /** 1935 * Saves a draft or manually autosaves for the purpose of showing a post preview. 1936 * 1937 * @since 2.7.0 1938 * 1939 * @return string URL to redirect to show the preview. 1940 */ 1941 function post_preview() { 1942 1943 $post_ID = (int) $_POST['post_ID']; 1944 $_POST['ID'] = $post_ID; 1945 1946 $post = get_post( $post_ID ); 1947 1948 if ( ! $post ) { 1949 wp_die( __( 'Sorry, you are not allowed to edit this post.' ) ); 1950 } 1951 1952 if ( ! current_user_can( 'edit_post', $post->ID ) ) { 1953 wp_die( __( 'Sorry, you are not allowed to edit this post.' ) ); 1954 } 1955 1956 $is_autosave = false; 1957 1958 if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author 1959 && ( 'draft' === $post->post_status || 'auto-draft' === $post->post_status ) 1960 ) { 1961 $saved_post_id = edit_post(); 1962 } else { 1963 $is_autosave = true; 1964 1965 if ( isset( $_POST['post_status'] ) && 'auto-draft' === $_POST['post_status'] ) { 1966 $_POST['post_status'] = 'draft'; 1967 } 1968 1969 $saved_post_id = wp_create_post_autosave( $post->ID ); 1970 } 1971 1972 if ( is_wp_error( $saved_post_id ) ) { 1973 wp_die( $saved_post_id->get_error_message() ); 1974 } 1975 1976 $query_args = array(); 1977 1978 if ( $is_autosave && $saved_post_id ) { 1979 $query_args['preview_id'] = $post->ID; 1980 $query_args['preview_nonce'] = wp_create_nonce( 'post_preview_' . $post->ID ); 1981 1982 if ( isset( $_POST['post_format'] ) ) { 1983 $query_args['post_format'] = empty( $_POST['post_format'] ) ? 'standard' : sanitize_key( $_POST['post_format'] ); 1984 } 1985 1986 if ( isset( $_POST['_thumbnail_id'] ) ) { 1987 $query_args['_thumbnail_id'] = ( (int) $_POST['_thumbnail_id'] <= 0 ) ? '-1' : (int) $_POST['_thumbnail_id']; 1988 } 1989 } 1990 1991 return get_preview_post_link( $post, $query_args ); 1992 } 1993 1994 /** 1995 * Saves a post submitted with XHR. 1996 * 1997 * Intended for use with heartbeat and autosave.js 1998 * 1999 * @since 3.9.0 2000 * 2001 * @param array $post_data Associative array of the submitted post data. 2002 * @return mixed The value 0 or WP_Error on failure. The saved post ID on success. 2003 * The ID can be the draft post_id or the autosave revision post_id. 2004 */ 2005 function wp_autosave( $post_data ) { 2006 // Back-compat. 2007 if ( ! defined( 'DOING_AUTOSAVE' ) ) { 2008 define( 'DOING_AUTOSAVE', true ); 2009 } 2010 2011 $post_id = (int) $post_data['post_id']; 2012 $post_data['ID'] = $post_id; 2013 $post_data['post_ID'] = $post_id; 2014 2015 if ( false === wp_verify_nonce( $post_data['_wpnonce'], 'update-post_' . $post_id ) ) { 2016 return new WP_Error( 'invalid_nonce', __( 'Error while saving.' ) ); 2017 } 2018 2019 $post = get_post( $post_id ); 2020 2021 if ( ! current_user_can( 'edit_post', $post->ID ) ) { 2022 return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to edit this item.' ) ); 2023 } 2024 2025 if ( 'auto-draft' === $post->post_status ) { 2026 $post_data['post_status'] = 'draft'; 2027 } 2028 2029 if ( 'page' !== $post_data['post_type'] && ! empty( $post_data['catslist'] ) ) { 2030 $post_data['post_category'] = explode( ',', $post_data['catslist'] ); 2031 } 2032 2033 if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author 2034 && ( 'auto-draft' === $post->post_status || 'draft' === $post->post_status ) 2035 ) { 2036 // Drafts and auto-drafts are just overwritten by autosave for the same user if the post is not locked. 2037 return edit_post( wp_slash( $post_data ) ); 2038 } else { 2039 // Non-drafts or other users' drafts are not overwritten. 2040 // The autosave is stored in a special post revision for each user. 2041 return wp_create_post_autosave( wp_slash( $post_data ) ); 2042 } 2043 } 2044 2045 /** 2046 * Redirects to previous page. 2047 * 2048 * @since 2.7.0 2049 * 2050 * @param int $post_id Optional. Post ID. 2051 */ 2052 function redirect_post( $post_id = '' ) { 2053 if ( isset( $_POST['save'] ) || isset( $_POST['publish'] ) ) { 2054 $status = get_post_status( $post_id ); 2055 2056 if ( isset( $_POST['publish'] ) ) { 2057 switch ( $status ) { 2058 case 'pending': 2059 $message = 8; 2060 break; 2061 case 'future': 2062 $message = 9; 2063 break; 2064 default: 2065 $message = 6; 2066 } 2067 } else { 2068 $message = 'draft' === $status ? 10 : 1; 2069 } 2070 2071 $location = add_query_arg( 'message', $message, get_edit_post_link( $post_id, 'url' ) ); 2072 } elseif ( isset( $_POST['addmeta'] ) && $_POST['addmeta'] ) { 2073 $location = add_query_arg( 'message', 2, wp_get_referer() ); 2074 $location = explode( '#', $location ); 2075 $location = $location[0] . '#postcustom'; 2076 } elseif ( isset( $_POST['deletemeta'] ) && $_POST['deletemeta'] ) { 2077 $location = add_query_arg( 'message', 3, wp_get_referer() ); 2078 $location = explode( '#', $location ); 2079 $location = $location[0] . '#postcustom'; 2080 } else { 2081 $location = add_query_arg( 'message', 4, get_edit_post_link( $post_id, 'url' ) ); 2082 } 2083 2084 /** 2085 * Filters the post redirect destination URL. 2086 * 2087 * @since 2.9.0 2088 * 2089 * @param string $location The destination URL. 2090 * @param int $post_id The post ID. 2091 */ 2092 wp_redirect( apply_filters( 'redirect_post_location', $location, $post_id ) ); 2093 exit; 2094 } 2095 2096 /** 2097 * Sanitizes POST values from a checkbox taxonomy metabox. 2098 * 2099 * @since 5.1.0 2100 * 2101 * @param string $taxonomy The taxonomy name. 2102 * @param array $terms Raw term data from the 'tax_input' field. 2103 * @return int[] Array of sanitized term IDs. 2104 */ 2105 function taxonomy_meta_box_sanitize_cb_checkboxes( $taxonomy, $terms ) { 2106 return array_map( 'intval', $terms ); 2107 } 2108 2109 /** 2110 * Sanitizes POST values from an input taxonomy metabox. 2111 * 2112 * @since 5.1.0 2113 * 2114 * @param string $taxonomy The taxonomy name. 2115 * @param array|string $terms Raw term data from the 'tax_input' field. 2116 * @return array 2117 */ 2118 function taxonomy_meta_box_sanitize_cb_input( $taxonomy, $terms ) { 2119 /* 2120 * Assume that a 'tax_input' string is a comma-separated list of term names. 2121 * Some languages may use a character other than a comma as a delimiter, so we standardize on 2122 * commas before parsing the list. 2123 */ 2124 if ( ! is_array( $terms ) ) { 2125 $comma = _x( ',', 'tag delimiter' ); 2126 if ( ',' !== $comma ) { 2127 $terms = str_replace( $comma, ',', $terms ); 2128 } 2129 $terms = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) ); 2130 } 2131 2132 $clean_terms = array(); 2133 foreach ( $terms as $term ) { 2134 // Empty terms are invalid input. 2135 if ( empty( $term ) ) { 2136 continue; 2137 } 2138 2139 $_term = get_terms( 2140 array( 2141 'taxonomy' => $taxonomy, 2142 'name' => $term, 2143 'fields' => 'ids', 2144 'hide_empty' => false, 2145 ) 2146 ); 2147 2148 if ( ! empty( $_term ) ) { 2149 $clean_terms[] = (int) $_term[0]; 2150 } else { 2151 // No existing term was found, so pass the string. A new term will be created. 2152 $clean_terms[] = $term; 2153 } 2154 } 2155 2156 return $clean_terms; 2157 } 2158 2159 /** 2160 * Prepares server-registered blocks for the block editor. 2161 * 2162 * Returns an associative array of registered block data keyed by block name. Data includes properties 2163 * of a block relevant for client registration. 2164 * 2165 * @since 5.0.0 2166 * 2167 * @return array An associative array of registered block data. 2168 */ 2169 function get_block_editor_server_block_settings() { 2170 $block_registry = WP_Block_Type_Registry::get_instance(); 2171 $blocks = array(); 2172 $fields_to_pick = array( 2173 'api_version' => 'apiVersion', 2174 'title' => 'title', 2175 'description' => 'description', 2176 'icon' => 'icon', 2177 'attributes' => 'attributes', 2178 'provides_context' => 'providesContext', 2179 'uses_context' => 'usesContext', 2180 'supports' => 'supports', 2181 'category' => 'category', 2182 'styles' => 'styles', 2183 'textdomain' => 'textdomain', 2184 'parent' => 'parent', 2185 'ancestor' => 'ancestor', 2186 'keywords' => 'keywords', 2187 'example' => 'example', 2188 'variations' => 'variations', 2189 ); 2190 2191 foreach ( $block_registry->get_all_registered() as $block_name => $block_type ) { 2192 foreach ( $fields_to_pick as $field => $key ) { 2193 if ( ! isset( $block_type->{ $field } ) ) { 2194 continue; 2195 } 2196 2197 if ( ! isset( $blocks[ $block_name ] ) ) { 2198 $blocks[ $block_name ] = array(); 2199 } 2200 2201 $blocks[ $block_name ][ $key ] = $block_type->{ $field }; 2202 } 2203 } 2204 2205 return $blocks; 2206 } 2207 2208 /** 2209 * Renders the meta boxes forms. 2210 * 2211 * @since 5.0.0 2212 */ 2213 function the_block_editor_meta_boxes() { 2214 global $post, $current_screen, $wp_meta_boxes; 2215 2216 // Handle meta box state. 2217 $_original_meta_boxes = $wp_meta_boxes; 2218 2219 /** 2220 * Fires right before the meta boxes are rendered. 2221 * 2222 * This allows for the filtering of meta box data, that should already be 2223 * present by this point. Do not use as a means of adding meta box data. 2224 * 2225 * @since 5.0.0 2226 * 2227 * @param array $wp_meta_boxes Global meta box state. 2228 */ 2229 $wp_meta_boxes = apply_filters( 'filter_block_editor_meta_boxes', $wp_meta_boxes ); 2230 $locations = array( 'side', 'normal', 'advanced' ); 2231 $priorities = array( 'high', 'sorted', 'core', 'default', 'low' ); 2232 2233 // Render meta boxes. 2234 ?> 2235 <form class="metabox-base-form"> 2236 <?php the_block_editor_meta_box_post_form_hidden_fields( $post ); ?> 2237 </form> 2238 <form id="toggle-custom-fields-form" method="post" action="<?php echo esc_url( admin_url( 'post.php' ) ); ?>"> 2239 <?php wp_nonce_field( 'toggle-custom-fields', 'toggle-custom-fields-nonce' ); ?> 2240 <input type="hidden" name="action" value="toggle-custom-fields" /> 2241 </form> 2242 <?php foreach ( $locations as $location ) : ?> 2243 <form class="metabox-location-<?php echo esc_attr( $location ); ?>" onsubmit="return false;"> 2244 <div id="poststuff" class="sidebar-open"> 2245 <div id="postbox-container-2" class="postbox-container"> 2246 <?php 2247 do_meta_boxes( 2248 $current_screen, 2249 $location, 2250 $post 2251 ); 2252 ?> 2253 </div> 2254 </div> 2255 </form> 2256 <?php endforeach; ?> 2257 <?php 2258 2259 $meta_boxes_per_location = array(); 2260 foreach ( $locations as $location ) { 2261 $meta_boxes_per_location[ $location ] = array(); 2262 2263 if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ] ) ) { 2264 continue; 2265 } 2266 2267 foreach ( $priorities as $priority ) { 2268 if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ] ) ) { 2269 continue; 2270 } 2271 2272 $meta_boxes = (array) $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ]; 2273 foreach ( $meta_boxes as $meta_box ) { 2274 if ( false == $meta_box || ! $meta_box['title'] ) { 2275 continue; 2276 } 2277 2278 // If a meta box is just here for back compat, don't show it in the block editor. 2279 if ( isset( $meta_box['args']['__back_compat_meta_box'] ) && $meta_box['args']['__back_compat_meta_box'] ) { 2280 continue; 2281 } 2282 2283 $meta_boxes_per_location[ $location ][] = array( 2284 'id' => $meta_box['id'], 2285 'title' => $meta_box['title'], 2286 ); 2287 } 2288 } 2289 } 2290 2291 /* 2292 * Sadly we probably cannot add this data directly into editor settings. 2293 * 2294 * Some meta boxes need `admin_head` to fire for meta box registry. 2295 * `admin_head` fires after `admin_enqueue_scripts`, which is where we create 2296 * our editor instance. 2297 */ 2298 $script = 'window._wpLoadBlockEditor.then( function() { 2299 wp.data.dispatch( \'core/edit-post\' ).setAvailableMetaBoxesPerLocation( ' . wp_json_encode( $meta_boxes_per_location ) . ' ); 2300 } );'; 2301 2302 wp_add_inline_script( 'wp-edit-post', $script ); 2303 2304 /* 2305 * When `wp-edit-post` is output in the `<head>`, the inline script needs to be manually printed. 2306 * Otherwise, meta boxes will not display because inline scripts for `wp-edit-post` 2307 * will not be printed again after this point. 2308 */ 2309 if ( wp_script_is( 'wp-edit-post', 'done' ) ) { 2310 printf( "<script type='text/javascript'>\n%s\n</script>\n", trim( $script ) ); 2311 } 2312 2313 /* 2314 * If the 'postcustom' meta box is enabled, then we need to perform 2315 * some extra initialization on it. 2316 */ 2317 $enable_custom_fields = (bool) get_user_meta( get_current_user_id(), 'enable_custom_fields', true ); 2318 2319 if ( $enable_custom_fields ) { 2320 $script = "( function( $ ) { 2321 if ( $('#postcustom').length ) { 2322 $( '#the-list' ).wpList( { 2323 addBefore: function( s ) { 2324 s.data += '&post_id=$post->ID'; 2325 return s; 2326 }, 2327 addAfter: function() { 2328 $('table#list-table').show(); 2329 } 2330 }); 2331 } 2332 } )( jQuery );"; 2333 wp_enqueue_script( 'wp-lists' ); 2334 wp_add_inline_script( 'wp-lists', $script ); 2335 } 2336 2337 // Reset meta box data. 2338 $wp_meta_boxes = $_original_meta_boxes; 2339 } 2340 2341 /** 2342 * Renders the hidden form required for the meta boxes form. 2343 * 2344 * @since 5.0.0 2345 * 2346 * @param WP_Post $post Current post object. 2347 */ 2348 function the_block_editor_meta_box_post_form_hidden_fields( $post ) { 2349 $form_extra = ''; 2350 if ( 'auto-draft' === $post->post_status ) { 2351 $form_extra .= "<input type='hidden' id='auto_draft' name='auto_draft' value='1' />"; 2352 } 2353 $form_action = 'editpost'; 2354 $nonce_action = 'update-post_' . $post->ID; 2355 $form_extra .= "<input type='hidden' id='post_ID' name='post_ID' value='" . esc_attr( $post->ID ) . "' />"; 2356 $referer = wp_get_referer(); 2357 $current_user = wp_get_current_user(); 2358 $user_id = $current_user->ID; 2359 wp_nonce_field( $nonce_action ); 2360 2361 /* 2362 * Some meta boxes hook into these actions to add hidden input fields in the classic post form. 2363 * For backward compatibility, we can capture the output from these actions, 2364 * and extract the hidden input fields. 2365 */ 2366 ob_start(); 2367 /** This filter is documented in wp-admin/edit-form-advanced.php */ 2368 do_action( 'edit_form_after_title', $post ); 2369 /** This filter is documented in wp-admin/edit-form-advanced.php */ 2370 do_action( 'edit_form_advanced', $post ); 2371 $classic_output = ob_get_clean(); 2372 2373 $classic_elements = wp_html_split( $classic_output ); 2374 $hidden_inputs = ''; 2375 foreach ( $classic_elements as $element ) { 2376 if ( 0 !== strpos( $element, '<input ' ) ) { 2377 continue; 2378 } 2379 2380 if ( preg_match( '/\stype=[\'"]hidden[\'"]\s/', $element ) ) { 2381 echo $element; 2382 } 2383 } 2384 ?> 2385 <input type="hidden" id="user-id" name="user_ID" value="<?php echo (int) $user_id; ?>" /> 2386 <input type="hidden" id="hiddenaction" name="action" value="<?php echo esc_attr( $form_action ); ?>" /> 2387 <input type="hidden" id="originalaction" name="originalaction" value="<?php echo esc_attr( $form_action ); ?>" /> 2388 <input type="hidden" id="post_type" name="post_type" value="<?php echo esc_attr( $post->post_type ); ?>" /> 2389 <input type="hidden" id="original_post_status" name="original_post_status" value="<?php echo esc_attr( $post->post_status ); ?>" /> 2390 <input type="hidden" id="referredby" name="referredby" value="<?php echo $referer ? esc_url( $referer ) : ''; ?>" /> 2391 2392 <?php 2393 if ( 'draft' !== get_post_status( $post ) ) { 2394 wp_original_referer_field( true, 'previous' ); 2395 } 2396 echo $form_extra; 2397 wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false ); 2398 wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false ); 2399 // Permalink title nonce. 2400 wp_nonce_field( 'samplepermalink', 'samplepermalinknonce', false ); 2401 2402 /** 2403 * Adds hidden input fields to the meta box save form. 2404 * 2405 * Hook into this action to print `<input type="hidden" ... />` fields, which will be POSTed back to 2406 * the server when meta boxes are saved. 2407 * 2408 * @since 5.0.0 2409 * 2410 * @param WP_Post $post The post that is being edited. 2411 */ 2412 do_action( 'block_editor_meta_box_hidden_fields', $post ); 2413 } 2414 2415 /** 2416 * Disables block editor for wp_navigation type posts so they can be managed via the UI. 2417 * 2418 * @since 5.9.0 2419 * @access private 2420 * 2421 * @param bool $value Whether the CPT supports block editor or not. 2422 * @param string $post_type Post type. 2423 * @return bool Whether the block editor should be disabled or not. 2424 */ 2425 function _disable_block_editor_for_navigation_post_type( $value, $post_type ) { 2426 if ( 'wp_navigation' === $post_type ) { 2427 return false; 2428 } 2429 2430 return $value; 2431 } 2432 2433 /** 2434 * This callback disables the content editor for wp_navigation type posts. 2435 * Content editor cannot handle wp_navigation type posts correctly. 2436 * We cannot disable the "editor" feature in the wp_navigation's CPT definition 2437 * because it disables the ability to save navigation blocks via REST API. 2438 * 2439 * @since 5.9.0 2440 * @access private 2441 * 2442 * @param WP_Post $post An instance of WP_Post class. 2443 */ 2444 function _disable_content_editor_for_navigation_post_type( $post ) { 2445 $post_type = get_post_type( $post ); 2446 if ( 'wp_navigation' !== $post_type ) { 2447 return; 2448 } 2449 2450 remove_post_type_support( $post_type, 'editor' ); 2451 } 2452 2453 /** 2454 * This callback enables content editor for wp_navigation type posts. 2455 * We need to enable it back because we disable it to hide 2456 * the content editor for wp_navigation type posts. 2457 * 2458 * @since 5.9.0 2459 * @access private 2460 * 2461 * @see _disable_content_editor_for_navigation_post_type 2462 * 2463 * @param WP_Post $post An instance of WP_Post class. 2464 */ 2465 function _enable_content_editor_for_navigation_post_type( $post ) { 2466 $post_type = get_post_type( $post ); 2467 if ( 'wp_navigation' !== $post_type ) { 2468 return; 2469 } 2470 2471 add_post_type_support( $post_type, 'editor' ); 2472 }
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| Generated : Fri Aug 19 08:20:02 2022 | Cross-referenced by PHPXref |