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