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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 object|bool WP_Error on failure, true on success. 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'] ) || $post_data['post_status'] != 'private' ) ) { 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' present 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'] ) && ( in_array( $post_data['post_status'], $published_statuses ) && ! current_user_can( $ptype->cap->publish_posts ) ) ) { 138 if ( ! in_array( $previous_status, $published_statuses ) || ! current_user_can( 'edit_post', $post_id ) ) { 139 $post_data['post_status'] = 'pending'; 140 } 141 } 142 143 if ( ! isset( $post_data['post_status'] ) ) { 144 $post_data['post_status'] = 'auto-draft' === $previous_status ? 'draft' : $previous_status; 145 } 146 147 if ( isset( $post_data['post_password'] ) && ! current_user_can( $ptype->cap->publish_posts ) ) { 148 unset( $post_data['post_password'] ); 149 } 150 151 if ( ! isset( $post_data['comment_status'] ) ) { 152 $post_data['comment_status'] = 'closed'; 153 } 154 155 if ( ! isset( $post_data['ping_status'] ) ) { 156 $post_data['ping_status'] = 'closed'; 157 } 158 159 foreach ( array( 'aa', 'mm', 'jj', 'hh', 'mn' ) as $timeunit ) { 160 if ( ! empty( $post_data[ 'hidden_' . $timeunit ] ) && $post_data[ 'hidden_' . $timeunit ] != $post_data[ $timeunit ] ) { 161 $post_data['edit_date'] = '1'; 162 break; 163 } 164 } 165 166 if ( ! empty( $post_data['edit_date'] ) ) { 167 $aa = $post_data['aa']; 168 $mm = $post_data['mm']; 169 $jj = $post_data['jj']; 170 $hh = $post_data['hh']; 171 $mn = $post_data['mn']; 172 $ss = $post_data['ss']; 173 $aa = ( $aa <= 0 ) ? gmdate( 'Y' ) : $aa; 174 $mm = ( $mm <= 0 ) ? gmdate( 'n' ) : $mm; 175 $jj = ( $jj > 31 ) ? 31 : $jj; 176 $jj = ( $jj <= 0 ) ? gmdate( 'j' ) : $jj; 177 $hh = ( $hh > 23 ) ? $hh - 24 : $hh; 178 $mn = ( $mn > 59 ) ? $mn - 60 : $mn; 179 $ss = ( $ss > 59 ) ? $ss - 60 : $ss; 180 $post_data['post_date'] = sprintf( '%04d-%02d-%02d %02d:%02d:%02d', $aa, $mm, $jj, $hh, $mn, $ss ); 181 $valid_date = wp_checkdate( $mm, $jj, $aa, $post_data['post_date'] ); 182 if ( ! $valid_date ) { 183 return new WP_Error( 'invalid_date', __( 'Invalid date.' ) ); 184 } 185 $post_data['post_date_gmt'] = get_gmt_from_date( $post_data['post_date'] ); 186 } 187 188 if ( isset( $post_data['post_category'] ) ) { 189 $category_object = get_taxonomy( 'category' ); 190 if ( ! current_user_can( $category_object->cap->assign_terms ) ) { 191 unset( $post_data['post_category'] ); 192 } 193 } 194 195 return $post_data; 196 } 197 198 /** 199 * Returns only allowed post data fields 200 * 201 * @since 5.0.1 202 * 203 * @param array $post_data Array of post data. Defaults to the contents of $_POST. 204 * @return object|bool WP_Error on failure, true on success. 205 */ 206 function _wp_get_allowed_postdata( $post_data = null ) { 207 if ( empty( $post_data ) ) { 208 $post_data = $_POST; 209 } 210 211 // Pass through errors 212 if ( is_wp_error( $post_data ) ) { 213 return $post_data; 214 } 215 216 return array_diff_key( $post_data, array_flip( array( 'meta_input', 'file', 'guid' ) ) ); 217 } 218 219 /** 220 * Update an existing post with values provided in $_POST. 221 * 222 * @since 1.5.0 223 * 224 * @global wpdb $wpdb WordPress database abstraction object. 225 * 226 * @param array $post_data Optional. 227 * @return int Post ID. 228 */ 229 function edit_post( $post_data = null ) { 230 global $wpdb; 231 232 if ( empty( $post_data ) ) { 233 $post_data = &$_POST; 234 } 235 236 // Clear out any data in internal vars. 237 unset( $post_data['filter'] ); 238 239 $post_ID = (int) $post_data['post_ID']; 240 $post = get_post( $post_ID ); 241 $post_data['post_type'] = $post->post_type; 242 $post_data['post_mime_type'] = $post->post_mime_type; 243 244 if ( ! empty( $post_data['post_status'] ) ) { 245 $post_data['post_status'] = sanitize_key( $post_data['post_status'] ); 246 247 if ( 'inherit' == $post_data['post_status'] ) { 248 unset( $post_data['post_status'] ); 249 } 250 } 251 252 $ptype = get_post_type_object( $post_data['post_type'] ); 253 if ( ! current_user_can( 'edit_post', $post_ID ) ) { 254 if ( 'page' == $post_data['post_type'] ) { 255 wp_die( __( 'Sorry, you are not allowed to edit this page.' ) ); 256 } else { 257 wp_die( __( 'Sorry, you are not allowed to edit this post.' ) ); 258 } 259 } 260 261 if ( post_type_supports( $ptype->name, 'revisions' ) ) { 262 $revisions = wp_get_post_revisions( 263 $post_ID, 264 array( 265 'order' => 'ASC', 266 'posts_per_page' => 1, 267 ) 268 ); 269 $revision = current( $revisions ); 270 271 // Check if the revisions have been upgraded 272 if ( $revisions && _wp_get_post_revision_version( $revision ) < 1 ) { 273 _wp_upgrade_revisions_of_post( $post, wp_get_post_revisions( $post_ID ) ); 274 } 275 } 276 277 if ( isset( $post_data['visibility'] ) ) { 278 switch ( $post_data['visibility'] ) { 279 case 'public': 280 $post_data['post_password'] = ''; 281 break; 282 case 'password': 283 unset( $post_data['sticky'] ); 284 break; 285 case 'private': 286 $post_data['post_status'] = 'private'; 287 $post_data['post_password'] = ''; 288 unset( $post_data['sticky'] ); 289 break; 290 } 291 } 292 293 $post_data = _wp_translate_postdata( true, $post_data ); 294 if ( is_wp_error( $post_data ) ) { 295 wp_die( $post_data->get_error_message() ); 296 } 297 $translated = _wp_get_allowed_postdata( $post_data ); 298 299 // Post Formats 300 if ( isset( $post_data['post_format'] ) ) { 301 set_post_format( $post_ID, $post_data['post_format'] ); 302 } 303 304 $format_meta_urls = array( 'url', 'link_url', 'quote_source_url' ); 305 foreach ( $format_meta_urls as $format_meta_url ) { 306 $keyed = '_format_' . $format_meta_url; 307 if ( isset( $post_data[ $keyed ] ) ) { 308 update_post_meta( $post_ID, $keyed, wp_slash( esc_url_raw( wp_unslash( $post_data[ $keyed ] ) ) ) ); 309 } 310 } 311 312 $format_keys = array( 'quote', 'quote_source_name', 'image', 'gallery', 'audio_embed', 'video_embed' ); 313 314 foreach ( $format_keys as $key ) { 315 $keyed = '_format_' . $key; 316 if ( isset( $post_data[ $keyed ] ) ) { 317 if ( current_user_can( 'unfiltered_html' ) ) { 318 update_post_meta( $post_ID, $keyed, $post_data[ $keyed ] ); 319 } else { 320 update_post_meta( $post_ID, $keyed, wp_filter_post_kses( $post_data[ $keyed ] ) ); 321 } 322 } 323 } 324 325 if ( 'attachment' === $post_data['post_type'] && preg_match( '#^(audio|video)/#', $post_data['post_mime_type'] ) ) { 326 $id3data = wp_get_attachment_metadata( $post_ID ); 327 if ( ! is_array( $id3data ) ) { 328 $id3data = array(); 329 } 330 331 foreach ( wp_get_attachment_id3_keys( $post, 'edit' ) as $key => $label ) { 332 if ( isset( $post_data[ 'id3_' . $key ] ) ) { 333 $id3data[ $key ] = sanitize_text_field( wp_unslash( $post_data[ 'id3_' . $key ] ) ); 334 } 335 } 336 wp_update_attachment_metadata( $post_ID, $id3data ); 337 } 338 339 // Meta Stuff 340 if ( isset( $post_data['meta'] ) && $post_data['meta'] ) { 341 foreach ( $post_data['meta'] as $key => $value ) { 342 $meta = get_post_meta_by_id( $key ); 343 if ( ! $meta ) { 344 continue; 345 } 346 if ( $meta->post_id != $post_ID ) { 347 continue; 348 } 349 if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $meta->meta_key ) ) { 350 continue; 351 } 352 if ( is_protected_meta( $value['key'], 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $value['key'] ) ) { 353 continue; 354 } 355 update_meta( $key, $value['key'], $value['value'] ); 356 } 357 } 358 359 if ( isset( $post_data['deletemeta'] ) && $post_data['deletemeta'] ) { 360 foreach ( $post_data['deletemeta'] as $key => $value ) { 361 $meta = get_post_meta_by_id( $key ); 362 if ( ! $meta ) { 363 continue; 364 } 365 if ( $meta->post_id != $post_ID ) { 366 continue; 367 } 368 if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $post_ID, $meta->meta_key ) ) { 369 continue; 370 } 371 delete_meta( $key ); 372 } 373 } 374 375 // Attachment stuff 376 if ( 'attachment' == $post_data['post_type'] ) { 377 if ( isset( $post_data['_wp_attachment_image_alt'] ) ) { 378 $image_alt = wp_unslash( $post_data['_wp_attachment_image_alt'] ); 379 if ( $image_alt != get_post_meta( $post_ID, '_wp_attachment_image_alt', true ) ) { 380 $image_alt = wp_strip_all_tags( $image_alt, true ); 381 // update_meta expects slashed. 382 update_post_meta( $post_ID, '_wp_attachment_image_alt', wp_slash( $image_alt ) ); 383 } 384 } 385 386 $attachment_data = isset( $post_data['attachments'][ $post_ID ] ) ? $post_data['attachments'][ $post_ID ] : array(); 387 388 /** This filter is documented in wp-admin/includes/media.php */ 389 $translated = apply_filters( 'attachment_fields_to_save', $translated, $attachment_data ); 390 } 391 392 // Convert taxonomy input to term IDs, to avoid ambiguity. 393 if ( isset( $post_data['tax_input'] ) ) { 394 foreach ( (array) $post_data['tax_input'] as $taxonomy => $terms ) { 395 $tax_object = get_taxonomy( $taxonomy ); 396 397 if ( $tax_object && isset( $tax_object->meta_box_sanitize_cb ) ) { 398 $translated['tax_input'][ $taxonomy ] = call_user_func_array( $tax_object->meta_box_sanitize_cb, array( $taxonomy, $terms ) ); 399 } 400 } 401 } 402 403 add_meta( $post_ID ); 404 405 update_post_meta( $post_ID, '_edit_last', get_current_user_id() ); 406 407 $success = wp_update_post( $translated ); 408 // If the save failed, see if we can sanity check the main fields and try again 409 if ( ! $success && is_callable( array( $wpdb, 'strip_invalid_text_for_column' ) ) ) { 410 $fields = array( 'post_title', 'post_content', 'post_excerpt' ); 411 412 foreach ( $fields as $field ) { 413 if ( isset( $translated[ $field ] ) ) { 414 $translated[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->posts, $field, $translated[ $field ] ); 415 } 416 } 417 418 wp_update_post( $translated ); 419 } 420 421 // Now that we have an ID we can fix any attachment anchor hrefs 422 _fix_attachment_links( $post_ID ); 423 424 wp_set_post_lock( $post_ID ); 425 426 if ( current_user_can( $ptype->cap->edit_others_posts ) && current_user_can( $ptype->cap->publish_posts ) ) { 427 if ( ! empty( $post_data['sticky'] ) ) { 428 stick_post( $post_ID ); 429 } else { 430 unstick_post( $post_ID ); 431 } 432 } 433 434 return $post_ID; 435 } 436 437 /** 438 * Process the post data for the bulk editing of posts. 439 * 440 * Updates all bulk edited posts/pages, adding (but not removing) tags and 441 * categories. Skips pages when they would be their own parent or child. 442 * 443 * @since 2.7.0 444 * 445 * @global wpdb $wpdb WordPress database abstraction object. 446 * 447 * @param array $post_data Optional, the array of post data to process if not provided will use $_POST superglobal. 448 * @return array 449 */ 450 function bulk_edit_posts( $post_data = null ) { 451 global $wpdb; 452 453 if ( empty( $post_data ) ) { 454 $post_data = &$_POST; 455 } 456 457 if ( isset( $post_data['post_type'] ) ) { 458 $ptype = get_post_type_object( $post_data['post_type'] ); 459 } else { 460 $ptype = get_post_type_object( 'post' ); 461 } 462 463 if ( ! current_user_can( $ptype->cap->edit_posts ) ) { 464 if ( 'page' == $ptype->name ) { 465 wp_die( __( 'Sorry, you are not allowed to edit pages.' ) ); 466 } else { 467 wp_die( __( 'Sorry, you are not allowed to edit posts.' ) ); 468 } 469 } 470 471 if ( -1 == $post_data['_status'] ) { 472 $post_data['post_status'] = null; 473 unset( $post_data['post_status'] ); 474 } else { 475 $post_data['post_status'] = $post_data['_status']; 476 } 477 unset( $post_data['_status'] ); 478 479 if ( ! empty( $post_data['post_status'] ) ) { 480 $post_data['post_status'] = sanitize_key( $post_data['post_status'] ); 481 482 if ( 'inherit' == $post_data['post_status'] ) { 483 unset( $post_data['post_status'] ); 484 } 485 } 486 487 $post_IDs = array_map( 'intval', (array) $post_data['post'] ); 488 489 $reset = array( 490 'post_author', 491 'post_status', 492 'post_password', 493 'post_parent', 494 'page_template', 495 'comment_status', 496 'ping_status', 497 'keep_private', 498 'tax_input', 499 'post_category', 500 'sticky', 501 'post_format', 502 ); 503 504 foreach ( $reset as $field ) { 505 if ( isset( $post_data[ $field ] ) && ( '' == $post_data[ $field ] || -1 == $post_data[ $field ] ) ) { 506 unset( $post_data[ $field ] ); 507 } 508 } 509 510 if ( isset( $post_data['post_category'] ) ) { 511 if ( is_array( $post_data['post_category'] ) && ! empty( $post_data['post_category'] ) ) { 512 $new_cats = array_map( 'absint', $post_data['post_category'] ); 513 } else { 514 unset( $post_data['post_category'] ); 515 } 516 } 517 518 $tax_input = array(); 519 if ( isset( $post_data['tax_input'] ) ) { 520 foreach ( $post_data['tax_input'] as $tax_name => $terms ) { 521 if ( empty( $terms ) ) { 522 continue; 523 } 524 if ( is_taxonomy_hierarchical( $tax_name ) ) { 525 $tax_input[ $tax_name ] = array_map( 'absint', $terms ); 526 } else { 527 $comma = _x( ',', 'tag delimiter' ); 528 if ( ',' !== $comma ) { 529 $terms = str_replace( $comma, ',', $terms ); 530 } 531 $tax_input[ $tax_name ] = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) ); 532 } 533 } 534 } 535 536 if ( isset( $post_data['post_parent'] ) && (int) $post_data['post_parent'] ) { 537 $parent = (int) $post_data['post_parent']; 538 $pages = $wpdb->get_results( "SELECT ID, post_parent FROM $wpdb->posts WHERE post_type = 'page'" ); 539 $children = array(); 540 541 for ( $i = 0; $i < 50 && $parent > 0; $i++ ) { 542 $children[] = $parent; 543 544 foreach ( $pages as $page ) { 545 if ( $page->ID == $parent ) { 546 $parent = $page->post_parent; 547 break; 548 } 549 } 550 } 551 } 552 553 $updated = array(); 554 $skipped = array(); 555 $locked = array(); 556 $shared_post_data = $post_data; 557 558 foreach ( $post_IDs as $post_ID ) { 559 // Start with fresh post data with each iteration. 560 $post_data = $shared_post_data; 561 562 $post_type_object = get_post_type_object( get_post_type( $post_ID ) ); 563 564 if ( ! isset( $post_type_object ) || ( isset( $children ) && in_array( $post_ID, $children ) ) || ! current_user_can( 'edit_post', $post_ID ) ) { 565 $skipped[] = $post_ID; 566 continue; 567 } 568 569 if ( wp_check_post_lock( $post_ID ) ) { 570 $locked[] = $post_ID; 571 continue; 572 } 573 574 $post = get_post( $post_ID ); 575 $tax_names = get_object_taxonomies( $post ); 576 foreach ( $tax_names as $tax_name ) { 577 $taxonomy_obj = get_taxonomy( $tax_name ); 578 if ( isset( $tax_input[ $tax_name ] ) && current_user_can( $taxonomy_obj->cap->assign_terms ) ) { 579 $new_terms = $tax_input[ $tax_name ]; 580 } else { 581 $new_terms = array(); 582 } 583 584 if ( $taxonomy_obj->hierarchical ) { 585 $current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array( 'fields' => 'ids' ) ); 586 } else { 587 $current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array( 'fields' => 'names' ) ); 588 } 589 590 $post_data['tax_input'][ $tax_name ] = array_merge( $current_terms, $new_terms ); 591 } 592 593 if ( isset( $new_cats ) && in_array( 'category', $tax_names ) ) { 594 $cats = (array) wp_get_post_categories( $post_ID ); 595 $post_data['post_category'] = array_unique( array_merge( $cats, $new_cats ) ); 596 unset( $post_data['tax_input']['category'] ); 597 } 598 599 $post_data['post_ID'] = $post_ID; 600 $post_data['post_type'] = $post->post_type; 601 $post_data['post_mime_type'] = $post->post_mime_type; 602 603 foreach ( array( 'comment_status', 'ping_status', 'post_author' ) as $field ) { 604 if ( ! isset( $post_data[ $field ] ) ) { 605 $post_data[ $field ] = $post->$field; 606 } 607 } 608 609 $post_data = _wp_translate_postdata( true, $post_data ); 610 if ( is_wp_error( $post_data ) ) { 611 $skipped[] = $post_ID; 612 continue; 613 } 614 $post_data = _wp_get_allowed_postdata( $post_data ); 615 616 if ( isset( $shared_post_data['post_format'] ) ) { 617 set_post_format( $post_ID, $shared_post_data['post_format'] ); 618 } 619 620 // Prevent wp_insert_post() from overwriting post format with the old data. 621 unset( $post_data['tax_input']['post_format'] ); 622 623 $updated[] = wp_update_post( $post_data ); 624 625 if ( isset( $post_data['sticky'] ) && current_user_can( $ptype->cap->edit_others_posts ) ) { 626 if ( 'sticky' == $post_data['sticky'] ) { 627 stick_post( $post_ID ); 628 } else { 629 unstick_post( $post_ID ); 630 } 631 } 632 } 633 634 return array( 635 'updated' => $updated, 636 'skipped' => $skipped, 637 'locked' => $locked, 638 ); 639 } 640 641 /** 642 * Default post information to use when populating the "Write Post" form. 643 * 644 * @since 2.0.0 645 * 646 * @param string $post_type Optional. A post type string. Default 'post'. 647 * @param bool $create_in_db Optional. Whether to insert the post into database. Default false. 648 * @return WP_Post Post object containing all the default post data as attributes 649 */ 650 function get_default_post_to_edit( $post_type = 'post', $create_in_db = false ) { 651 $post_title = ''; 652 if ( ! empty( $_REQUEST['post_title'] ) ) { 653 $post_title = esc_html( wp_unslash( $_REQUEST['post_title'] ) ); 654 } 655 656 $post_content = ''; 657 if ( ! empty( $_REQUEST['content'] ) ) { 658 $post_content = esc_html( wp_unslash( $_REQUEST['content'] ) ); 659 } 660 661 $post_excerpt = ''; 662 if ( ! empty( $_REQUEST['excerpt'] ) ) { 663 $post_excerpt = esc_html( wp_unslash( $_REQUEST['excerpt'] ) ); 664 } 665 666 if ( $create_in_db ) { 667 $post_id = wp_insert_post( 668 array( 669 'post_title' => __( 'Auto Draft' ), 670 'post_type' => $post_type, 671 'post_status' => 'auto-draft', 672 ) 673 ); 674 $post = get_post( $post_id ); 675 if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) && get_option( 'default_post_format' ) ) { 676 set_post_format( $post, get_option( 'default_post_format' ) ); 677 } 678 679 // Schedule auto-draft cleanup 680 if ( ! wp_next_scheduled( 'wp_scheduled_auto_draft_delete' ) ) { 681 wp_schedule_event( time(), 'daily', 'wp_scheduled_auto_draft_delete' ); 682 } 683 } else { 684 $post = new stdClass; 685 $post->ID = 0; 686 $post->post_author = ''; 687 $post->post_date = ''; 688 $post->post_date_gmt = ''; 689 $post->post_password = ''; 690 $post->post_name = ''; 691 $post->post_type = $post_type; 692 $post->post_status = 'draft'; 693 $post->to_ping = ''; 694 $post->pinged = ''; 695 $post->comment_status = get_default_comment_status( $post_type ); 696 $post->ping_status = get_default_comment_status( $post_type, 'pingback' ); 697 $post->post_pingback = get_option( 'default_pingback_flag' ); 698 $post->post_category = get_option( 'default_category' ); 699 $post->page_template = 'default'; 700 $post->post_parent = 0; 701 $post->menu_order = 0; 702 $post = new WP_Post( $post ); 703 } 704 705 /** 706 * Filters the default post content initially used in the "Write Post" form. 707 * 708 * @since 1.5.0 709 * 710 * @param string $post_content Default post content. 711 * @param WP_Post $post Post object. 712 */ 713 $post->post_content = (string) apply_filters( 'default_content', $post_content, $post ); 714 715 /** 716 * Filters the default post title initially used in the "Write Post" form. 717 * 718 * @since 1.5.0 719 * 720 * @param string $post_title Default post title. 721 * @param WP_Post $post Post object. 722 */ 723 $post->post_title = (string) apply_filters( 'default_title', $post_title, $post ); 724 725 /** 726 * Filters the default post excerpt initially used in the "Write Post" form. 727 * 728 * @since 1.5.0 729 * 730 * @param string $post_excerpt Default post excerpt. 731 * @param WP_Post $post Post object. 732 */ 733 $post->post_excerpt = (string) apply_filters( 'default_excerpt', $post_excerpt, $post ); 734 735 return $post; 736 } 737 738 /** 739 * Determines if a post exists based on title, content, date and type. 740 * 741 * @since 2.0.0 742 * @since 5.2.0 Added the `$type` parameter. 743 * 744 * @global wpdb $wpdb WordPress database abstraction object. 745 * 746 * @param string $title Post title. 747 * @param string $content Optional post content. 748 * @param string $date Optional post date. 749 * @param string $type Optional post type. 750 * @return int Post ID if post exists, 0 otherwise. 751 */ 752 function post_exists( $title, $content = '', $date = '', $type = '' ) { 753 global $wpdb; 754 755 $post_title = wp_unslash( sanitize_post_field( 'post_title', $title, 0, 'db' ) ); 756 $post_content = wp_unslash( sanitize_post_field( 'post_content', $content, 0, 'db' ) ); 757 $post_date = wp_unslash( sanitize_post_field( 'post_date', $date, 0, 'db' ) ); 758 $post_type = wp_unslash( sanitize_post_field( 'post_type', $type, 0, 'db' ) ); 759 760 $query = "SELECT ID FROM $wpdb->posts WHERE 1=1"; 761 $args = array(); 762 763 if ( ! empty( $date ) ) { 764 $query .= ' AND post_date = %s'; 765 $args[] = $post_date; 766 } 767 768 if ( ! empty( $title ) ) { 769 $query .= ' AND post_title = %s'; 770 $args[] = $post_title; 771 } 772 773 if ( ! empty( $content ) ) { 774 $query .= ' AND post_content = %s'; 775 $args[] = $post_content; 776 } 777 778 if ( ! empty( $type ) ) { 779 $query .= ' AND post_type = %s'; 780 $args[] = $post_type; 781 } 782 783 if ( ! empty( $args ) ) { 784 return (int) $wpdb->get_var( $wpdb->prepare( $query, $args ) ); 785 } 786 787 return 0; 788 } 789 790 /** 791 * Creates a new post from the "Write Post" form using $_POST information. 792 * 793 * @since 2.1.0 794 * 795 * @global WP_User $current_user 796 * 797 * @return int|WP_Error 798 */ 799 function wp_write_post() { 800 if ( isset( $_POST['post_type'] ) ) { 801 $ptype = get_post_type_object( $_POST['post_type'] ); 802 } else { 803 $ptype = get_post_type_object( 'post' ); 804 } 805 806 if ( ! current_user_can( $ptype->cap->edit_posts ) ) { 807 if ( 'page' == $ptype->name ) { 808 return new WP_Error( 'edit_pages', __( 'Sorry, you are not allowed to create pages on this site.' ) ); 809 } else { 810 return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to create posts or drafts on this site.' ) ); 811 } 812 } 813 814 $_POST['post_mime_type'] = ''; 815 816 // Clear out any data in internal vars. 817 unset( $_POST['filter'] ); 818 819 // Edit don't write if we have a post id. 820 if ( isset( $_POST['post_ID'] ) ) { 821 return edit_post(); 822 } 823 824 if ( isset( $_POST['visibility'] ) ) { 825 switch ( $_POST['visibility'] ) { 826 case 'public': 827 $_POST['post_password'] = ''; 828 break; 829 case 'password': 830 unset( $_POST['sticky'] ); 831 break; 832 case 'private': 833 $_POST['post_status'] = 'private'; 834 $_POST['post_password'] = ''; 835 unset( $_POST['sticky'] ); 836 break; 837 } 838 } 839 840 $translated = _wp_translate_postdata( false ); 841 if ( is_wp_error( $translated ) ) { 842 return $translated; 843 } 844 $translated = _wp_get_allowed_postdata( $translated ); 845 846 // Create the post. 847 $post_ID = wp_insert_post( $translated ); 848 if ( is_wp_error( $post_ID ) ) { 849 return $post_ID; 850 } 851 852 if ( empty( $post_ID ) ) { 853 return 0; 854 } 855 856 add_meta( $post_ID ); 857 858 add_post_meta( $post_ID, '_edit_last', $GLOBALS['current_user']->ID ); 859 860 // Now that we have an ID we can fix any attachment anchor hrefs 861 _fix_attachment_links( $post_ID ); 862 863 wp_set_post_lock( $post_ID ); 864 865 return $post_ID; 866 } 867 868 /** 869 * Calls wp_write_post() and handles the errors. 870 * 871 * @since 2.0.0 872 * 873 * @return int|null 874 */ 875 function write_post() { 876 $result = wp_write_post(); 877 if ( is_wp_error( $result ) ) { 878 wp_die( $result->get_error_message() ); 879 } else { 880 return $result; 881 } 882 } 883 884 // 885 // Post Meta 886 // 887 888 /** 889 * Add post meta data defined in $_POST superglobal for post with given ID. 890 * 891 * @since 1.2.0 892 * 893 * @param int $post_ID 894 * @return int|bool 895 */ 896 function add_meta( $post_ID ) { 897 $post_ID = (int) $post_ID; 898 899 $metakeyselect = isset( $_POST['metakeyselect'] ) ? wp_unslash( trim( $_POST['metakeyselect'] ) ) : ''; 900 $metakeyinput = isset( $_POST['metakeyinput'] ) ? wp_unslash( trim( $_POST['metakeyinput'] ) ) : ''; 901 $metavalue = isset( $_POST['metavalue'] ) ? $_POST['metavalue'] : ''; 902 if ( is_string( $metavalue ) ) { 903 $metavalue = trim( $metavalue ); 904 } 905 906 if ( ( ( '#NONE#' != $metakeyselect ) && ! empty( $metakeyselect ) ) || ! empty( $metakeyinput ) ) { 907 /* 908 * We have a key/value pair. If both the select and the input 909 * for the key have data, the input takes precedence. 910 */ 911 if ( '#NONE#' != $metakeyselect ) { 912 $metakey = $metakeyselect; 913 } 914 915 if ( $metakeyinput ) { 916 $metakey = $metakeyinput; // default 917 } 918 919 if ( is_protected_meta( $metakey, 'post' ) || ! current_user_can( 'add_post_meta', $post_ID, $metakey ) ) { 920 return false; 921 } 922 923 $metakey = wp_slash( $metakey ); 924 925 return add_post_meta( $post_ID, $metakey, $metavalue ); 926 } 927 928 return false; 929 } // add_meta 930 931 /** 932 * Delete post meta data by meta ID. 933 * 934 * @since 1.2.0 935 * 936 * @param int $mid 937 * @return bool 938 */ 939 function delete_meta( $mid ) { 940 return delete_metadata_by_mid( 'post', $mid ); 941 } 942 943 /** 944 * Get a list of previously defined keys. 945 * 946 * @since 1.2.0 947 * 948 * @global wpdb $wpdb WordPress database abstraction object. 949 * 950 * @return mixed 951 */ 952 function get_meta_keys() { 953 global $wpdb; 954 955 $keys = $wpdb->get_col( 956 " 957 SELECT meta_key 958 FROM $wpdb->postmeta 959 GROUP BY meta_key 960 ORDER BY meta_key" 961 ); 962 963 return $keys; 964 } 965 966 /** 967 * Get post meta data by meta ID. 968 * 969 * @since 2.1.0 970 * 971 * @param int $mid 972 * @return object|bool 973 */ 974 function get_post_meta_by_id( $mid ) { 975 return get_metadata_by_mid( 'post', $mid ); 976 } 977 978 /** 979 * Get meta data for the given post ID. 980 * 981 * @since 1.2.0 982 * 983 * @global wpdb $wpdb WordPress database abstraction object. 984 * 985 * @param int $postid 986 * @return mixed 987 */ 988 function has_meta( $postid ) { 989 global $wpdb; 990 991 return $wpdb->get_results( 992 $wpdb->prepare( 993 "SELECT meta_key, meta_value, meta_id, post_id 994 FROM $wpdb->postmeta WHERE post_id = %d 995 ORDER BY meta_key,meta_id", 996 $postid 997 ), 998 ARRAY_A 999 ); 1000 } 1001 1002 /** 1003 * Update post meta data by meta ID. 1004 * 1005 * @since 1.2.0 1006 * 1007 * @param int $meta_id 1008 * @param string $meta_key Expect Slashed 1009 * @param string $meta_value Expect Slashed 1010 * @return bool 1011 */ 1012 function update_meta( $meta_id, $meta_key, $meta_value ) { 1013 $meta_key = wp_unslash( $meta_key ); 1014 $meta_value = wp_unslash( $meta_value ); 1015 1016 return update_metadata_by_mid( 'post', $meta_id, $meta_value, $meta_key ); 1017 } 1018 1019 // 1020 // Private 1021 // 1022 1023 /** 1024 * Replace hrefs of attachment anchors with up-to-date permalinks. 1025 * 1026 * @since 2.3.0 1027 * @access private 1028 * 1029 * @param int|object $post Post ID or post object. 1030 * @return void|int|WP_Error Void if nothing fixed. 0 or WP_Error on update failure. The post ID on update success. 1031 */ 1032 function _fix_attachment_links( $post ) { 1033 $post = get_post( $post, ARRAY_A ); 1034 $content = $post['post_content']; 1035 1036 // Don't run if no pretty permalinks or post is not published, scheduled, or privately published. 1037 if ( ! get_option( 'permalink_structure' ) || ! in_array( $post['post_status'], array( 'publish', 'future', 'private' ) ) ) { 1038 return; 1039 } 1040 1041 // Short if there aren't any links or no '?attachment_id=' strings (strpos cannot be zero) 1042 if ( ! strpos( $content, '?attachment_id=' ) || ! preg_match_all( '/<a ([^>]+)>[\s\S]+?<\/a>/', $content, $link_matches ) ) { 1043 return; 1044 } 1045 1046 $site_url = get_bloginfo( 'url' ); 1047 $site_url = substr( $site_url, (int) strpos( $site_url, '://' ) ); // remove the http(s) 1048 $replace = ''; 1049 1050 foreach ( $link_matches[1] as $key => $value ) { 1051 if ( ! strpos( $value, '?attachment_id=' ) || ! strpos( $value, 'wp-att-' ) 1052 || ! preg_match( '/href=(["\'])[^"\']*\?attachment_id=(\d+)[^"\']*\\1/', $value, $url_match ) 1053 || ! preg_match( '/rel=["\'][^"\']*wp-att-(\d+)/', $value, $rel_match ) ) { 1054 continue; 1055 } 1056 1057 $quote = $url_match[1]; // the quote (single or double) 1058 $url_id = (int) $url_match[2]; 1059 $rel_id = (int) $rel_match[1]; 1060 1061 if ( ! $url_id || ! $rel_id || $url_id != $rel_id || strpos( $url_match[0], $site_url ) === false ) { 1062 continue; 1063 } 1064 1065 $link = $link_matches[0][ $key ]; 1066 $replace = str_replace( $url_match[0], 'href=' . $quote . get_attachment_link( $url_id ) . $quote, $link ); 1067 1068 $content = str_replace( $link, $replace, $content ); 1069 } 1070 1071 if ( $replace ) { 1072 $post['post_content'] = $content; 1073 // Escape data pulled from DB. 1074 $post = add_magic_quotes( $post ); 1075 1076 return wp_update_post( $post ); 1077 } 1078 } 1079 1080 /** 1081 * Get all the possible statuses for a post_type 1082 * 1083 * @since 2.5.0 1084 * 1085 * @param string $type The post_type you want the statuses for. Default 'post'. 1086 * @return string[] An array of all the statuses for the supplied post type. 1087 */ 1088 function get_available_post_statuses( $type = 'post' ) { 1089 $stati = wp_count_posts( $type ); 1090 1091 return array_keys( get_object_vars( $stati ) ); 1092 } 1093 1094 /** 1095 * Run the wp query to fetch the posts for listing on the edit posts page 1096 * 1097 * @since 2.5.0 1098 * 1099 * @param array|bool $q Array of query variables to use to build the query or false to use $_GET superglobal. 1100 * @return array 1101 */ 1102 function wp_edit_posts_query( $q = false ) { 1103 if ( false === $q ) { 1104 $q = $_GET; 1105 } 1106 $q['m'] = isset( $q['m'] ) ? (int) $q['m'] : 0; 1107 $q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0; 1108 $post_stati = get_post_stati(); 1109 1110 if ( isset( $q['post_type'] ) && in_array( $q['post_type'], get_post_types() ) ) { 1111 $post_type = $q['post_type']; 1112 } else { 1113 $post_type = 'post'; 1114 } 1115 1116 $avail_post_stati = get_available_post_statuses( $post_type ); 1117 $post_status = ''; 1118 $perm = ''; 1119 1120 if ( isset( $q['post_status'] ) && in_array( $q['post_status'], $post_stati ) ) { 1121 $post_status = $q['post_status']; 1122 $perm = 'readable'; 1123 } 1124 1125 $orderby = ''; 1126 1127 if ( isset( $q['orderby'] ) ) { 1128 $orderby = $q['orderby']; 1129 } elseif ( isset( $q['post_status'] ) && in_array( $q['post_status'], array( 'pending', 'draft' ) ) ) { 1130 $orderby = 'modified'; 1131 } 1132 1133 $order = ''; 1134 1135 if ( isset( $q['order'] ) ) { 1136 $order = $q['order']; 1137 } elseif ( isset( $q['post_status'] ) && 'pending' == $q['post_status'] ) { 1138 $order = 'ASC'; 1139 } 1140 1141 $per_page = "edit_{$post_type}_per_page"; 1142 $posts_per_page = (int) get_user_option( $per_page ); 1143 if ( empty( $posts_per_page ) || $posts_per_page < 1 ) { 1144 $posts_per_page = 20; 1145 } 1146 1147 /** 1148 * Filters the number of items per page to show for a specific 'per_page' type. 1149 * 1150 * The dynamic portion of the hook name, `$post_type`, refers to the post type. 1151 * 1152 * Some examples of filter hooks generated here include: 'edit_attachment_per_page', 1153 * 'edit_post_per_page', 'edit_page_per_page', etc. 1154 * 1155 * @since 3.0.0 1156 * 1157 * @param int $posts_per_page Number of posts to display per page for the given post 1158 * type. Default 20. 1159 */ 1160 $posts_per_page = apply_filters( "edit_{$post_type}_per_page", $posts_per_page ); 1161 1162 /** 1163 * Filters the number of posts displayed per page when specifically listing "posts". 1164 * 1165 * @since 2.8.0 1166 * 1167 * @param int $posts_per_page Number of posts to be displayed. Default 20. 1168 * @param string $post_type The post type. 1169 */ 1170 $posts_per_page = apply_filters( 'edit_posts_per_page', $posts_per_page, $post_type ); 1171 1172 $query = compact( 'post_type', 'post_status', 'perm', 'order', 'orderby', 'posts_per_page' ); 1173 1174 // Hierarchical types require special args. 1175 if ( is_post_type_hierarchical( $post_type ) && empty( $orderby ) ) { 1176 $query['orderby'] = 'menu_order title'; 1177 $query['order'] = 'asc'; 1178 $query['posts_per_page'] = -1; 1179 $query['posts_per_archive_page'] = -1; 1180 $query['fields'] = 'id=>parent'; 1181 } 1182 1183 if ( ! empty( $q['show_sticky'] ) ) { 1184 $query['post__in'] = (array) get_option( 'sticky_posts' ); 1185 } 1186 1187 wp( $query ); 1188 1189 return $avail_post_stati; 1190 } 1191 1192 /** 1193 * Get the query variables for the current attachments request. 1194 * 1195 * @since 4.2.0 1196 * 1197 * @param array|false $q Optional. Array of query variables to use to build the query or false 1198 * to use $_GET superglobal. Default false. 1199 * @return array The parsed query vars. 1200 */ 1201 function wp_edit_attachments_query_vars( $q = false ) { 1202 if ( false === $q ) { 1203 $q = $_GET; 1204 } 1205 $q['m'] = isset( $q['m'] ) ? (int) $q['m'] : 0; 1206 $q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0; 1207 $q['post_type'] = 'attachment'; 1208 $post_type = get_post_type_object( 'attachment' ); 1209 $states = 'inherit'; 1210 if ( current_user_can( $post_type->cap->read_private_posts ) ) { 1211 $states .= ',private'; 1212 } 1213 1214 $q['post_status'] = isset( $q['status'] ) && 'trash' == $q['status'] ? 'trash' : $states; 1215 $q['post_status'] = isset( $q['attachment-filter'] ) && 'trash' == $q['attachment-filter'] ? 'trash' : $states; 1216 1217 $media_per_page = (int) get_user_option( 'upload_per_page' ); 1218 if ( empty( $media_per_page ) || $media_per_page < 1 ) { 1219 $media_per_page = 20; 1220 } 1221 1222 /** 1223 * Filters the number of items to list per page when listing media items. 1224 * 1225 * @since 2.9.0 1226 * 1227 * @param int $media_per_page Number of media to list. Default 20. 1228 */ 1229 $q['posts_per_page'] = apply_filters( 'upload_per_page', $media_per_page ); 1230 1231 $post_mime_types = get_post_mime_types(); 1232 if ( isset( $q['post_mime_type'] ) && ! array_intersect( (array) $q['post_mime_type'], array_keys( $post_mime_types ) ) ) { 1233 unset( $q['post_mime_type'] ); 1234 } 1235 1236 foreach ( array_keys( $post_mime_types ) as $type ) { 1237 if ( isset( $q['attachment-filter'] ) && "post_mime_type:$type" == $q['attachment-filter'] ) { 1238 $q['post_mime_type'] = $type; 1239 break; 1240 } 1241 } 1242 1243 if ( isset( $q['detached'] ) || ( isset( $q['attachment-filter'] ) && 'detached' == $q['attachment-filter'] ) ) { 1244 $q['post_parent'] = 0; 1245 } 1246 1247 if ( isset( $q['mine'] ) || ( isset( $q['attachment-filter'] ) && 'mine' == $q['attachment-filter'] ) ) { 1248 $q['author'] = get_current_user_id(); 1249 } 1250 1251 // Filter query clauses to include filenames. 1252 if ( isset( $q['s'] ) ) { 1253 add_filter( 'posts_clauses', '_filter_query_attachment_filenames' ); 1254 } 1255 1256 return $q; 1257 } 1258 1259 /** 1260 * Executes a query for attachments. An array of WP_Query arguments 1261 * can be passed in, which will override the arguments set by this function. 1262 * 1263 * @since 2.5.0 1264 * 1265 * @param array|false $q Array of query variables to use to build the query or false to use $_GET superglobal. 1266 * @return array 1267 */ 1268 function wp_edit_attachments_query( $q = false ) { 1269 wp( wp_edit_attachments_query_vars( $q ) ); 1270 1271 $post_mime_types = get_post_mime_types(); 1272 $avail_post_mime_types = get_available_post_mime_types( 'attachment' ); 1273 1274 return array( $post_mime_types, $avail_post_mime_types ); 1275 } 1276 1277 /** 1278 * Returns the list of classes to be used by a meta box. 1279 * 1280 * @since 2.5.0 1281 * 1282 * @param string $box_id Meta box ID (used in the 'id' attribute for the meta box). 1283 * @param string $screen_id The screen on which the meta box is shown. 1284 * @return string Space-separated string of class names. 1285 */ 1286 function postbox_classes( $box_id, $screen_id ) { 1287 if ( isset( $_GET['edit'] ) && $_GET['edit'] == $box_id ) { 1288 $classes = array( '' ); 1289 } elseif ( get_user_option( 'closedpostboxes_' . $screen_id ) ) { 1290 $closed = get_user_option( 'closedpostboxes_' . $screen_id ); 1291 if ( ! is_array( $closed ) ) { 1292 $classes = array( '' ); 1293 } else { 1294 $classes = in_array( $box_id, $closed ) ? array( 'closed' ) : array( '' ); 1295 } 1296 } else { 1297 $classes = array( '' ); 1298 } 1299 1300 /** 1301 * Filters the postbox classes for a specific screen and box ID combo. 1302 * 1303 * The dynamic portions of the hook name, `$screen_id` and `$box_id`, refer to 1304 * the screen ID and meta box ID, respectively. 1305 * 1306 * @since 3.2.0 1307 * 1308 * @param string[] $classes An array of postbox classes. 1309 */ 1310 $classes = apply_filters( "postbox_classes_{$screen_id}_{$box_id}", $classes ); 1311 return implode( ' ', $classes ); 1312 } 1313 1314 /** 1315 * Get a sample permalink based off of the post name. 1316 * 1317 * @since 2.5.0 1318 * 1319 * @param int $id Post ID or post object. 1320 * @param string $title Optional. Title to override the post's current title when generating the post name. Default null. 1321 * @param string $name Optional. Name to override the post name. Default null. 1322 * @return array { 1323 * Array containing the sample permalink with placeholder for the post name, and the post name. 1324 * 1325 * @type string $0 The permalink with placeholder for the post name. 1326 * @type string $1 The post name. 1327 * } 1328 */ 1329 function get_sample_permalink( $id, $title = null, $name = null ) { 1330 $post = get_post( $id ); 1331 if ( ! $post ) { 1332 return array( '', '' ); 1333 } 1334 1335 $ptype = get_post_type_object( $post->post_type ); 1336 1337 $original_status = $post->post_status; 1338 $original_date = $post->post_date; 1339 $original_name = $post->post_name; 1340 1341 // Hack: get_permalink() would return ugly permalink for drafts, so we will fake that our post is published. 1342 if ( in_array( $post->post_status, array( 'draft', 'pending', 'future' ) ) ) { 1343 $post->post_status = 'publish'; 1344 $post->post_name = sanitize_title( $post->post_name ? $post->post_name : $post->post_title, $post->ID ); 1345 } 1346 1347 // If the user wants to set a new name -- override the current one 1348 // Note: if empty name is supplied -- use the title instead, see #6072 1349 if ( ! is_null( $name ) ) { 1350 $post->post_name = sanitize_title( $name ? $name : $title, $post->ID ); 1351 } 1352 1353 $post->post_name = wp_unique_post_slug( $post->post_name, $post->ID, $post->post_status, $post->post_type, $post->post_parent ); 1354 1355 $post->filter = 'sample'; 1356 1357 $permalink = get_permalink( $post, true ); 1358 1359 // Replace custom post_type Token with generic pagename token for ease of use. 1360 $permalink = str_replace( "%$post->post_type%", '%pagename%', $permalink ); 1361 1362 // Handle page hierarchy 1363 if ( $ptype->hierarchical ) { 1364 $uri = get_page_uri( $post ); 1365 if ( $uri ) { 1366 $uri = untrailingslashit( $uri ); 1367 $uri = strrev( stristr( strrev( $uri ), '/' ) ); 1368 $uri = untrailingslashit( $uri ); 1369 } 1370 1371 /** This filter is documented in wp-admin/edit-tag-form.php */ 1372 $uri = apply_filters( 'editable_slug', $uri, $post ); 1373 if ( ! empty( $uri ) ) { 1374 $uri .= '/'; 1375 } 1376 $permalink = str_replace( '%pagename%', "{$uri}%pagename%", $permalink ); 1377 } 1378 1379 /** This filter is documented in wp-admin/edit-tag-form.php */ 1380 $permalink = array( $permalink, apply_filters( 'editable_slug', $post->post_name, $post ) ); 1381 $post->post_status = $original_status; 1382 $post->post_date = $original_date; 1383 $post->post_name = $original_name; 1384 unset( $post->filter ); 1385 1386 /** 1387 * Filters the sample permalink. 1388 * 1389 * @since 4.4.0 1390 * 1391 * @param array $permalink { 1392 * Array containing the sample permalink with placeholder for the post name, and the post name. 1393 * 1394 * @type string $0 The permalink with placeholder for the post name. 1395 * @type string $1 The post name. 1396 * } 1397 * @param int $post_id Post ID. 1398 * @param string $title Post title. 1399 * @param string $name Post name (slug). 1400 * @param WP_Post $post Post object. 1401 */ 1402 return apply_filters( 'get_sample_permalink', $permalink, $post->ID, $title, $name, $post ); 1403 } 1404 1405 /** 1406 * Returns the HTML of the sample permalink slug editor. 1407 * 1408 * @since 2.5.0 1409 * 1410 * @param int $id Post ID or post object. 1411 * @param string $new_title Optional. New title. Default null. 1412 * @param string $new_slug Optional. New slug. Default null. 1413 * @return string The HTML of the sample permalink slug editor. 1414 */ 1415 function get_sample_permalink_html( $id, $new_title = null, $new_slug = null ) { 1416 $post = get_post( $id ); 1417 if ( ! $post ) { 1418 return ''; 1419 } 1420 1421 list($permalink, $post_name) = get_sample_permalink( $post->ID, $new_title, $new_slug ); 1422 1423 $view_link = false; 1424 $preview_target = ''; 1425 1426 if ( current_user_can( 'read_post', $post->ID ) ) { 1427 if ( 'draft' === $post->post_status || empty( $post->post_name ) ) { 1428 $view_link = get_preview_post_link( $post ); 1429 $preview_target = " target='wp-preview-{$post->ID}'"; 1430 } else { 1431 if ( 'publish' === $post->post_status || 'attachment' === $post->post_type ) { 1432 $view_link = get_permalink( $post ); 1433 } else { 1434 // Allow non-published (private, future) to be viewed at a pretty permalink, in case $post->post_name is set 1435 $view_link = str_replace( array( '%pagename%', '%postname%' ), $post->post_name, $permalink ); 1436 } 1437 } 1438 } 1439 1440 // Permalinks without a post/page name placeholder don't have anything to edit 1441 if ( false === strpos( $permalink, '%postname%' ) && false === strpos( $permalink, '%pagename%' ) ) { 1442 $return = '<strong>' . __( 'Permalink:' ) . "</strong>\n"; 1443 1444 if ( false !== $view_link ) { 1445 $display_link = urldecode( $view_link ); 1446 $return .= '<a id="sample-permalink" href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . esc_html( $display_link ) . "</a>\n"; 1447 } else { 1448 $return .= '<span id="sample-permalink">' . $permalink . "</span>\n"; 1449 } 1450 1451 // Encourage a pretty permalink setting 1452 if ( '' == get_option( 'permalink_structure' ) && current_user_can( 'manage_options' ) && ! ( 'page' == get_option( 'show_on_front' ) && $id == get_option( 'page_on_front' ) ) ) { 1453 $return .= '<span id="change-permalinks"><a href="options-permalink.php" class="button button-small" target="_blank">' . __( 'Change Permalinks' ) . "</a></span>\n"; 1454 } 1455 } else { 1456 if ( mb_strlen( $post_name ) > 34 ) { 1457 $post_name_abridged = mb_substr( $post_name, 0, 16 ) . '…' . mb_substr( $post_name, -16 ); 1458 } else { 1459 $post_name_abridged = $post_name; 1460 } 1461 1462 $post_name_html = '<span id="editable-post-name">' . esc_html( $post_name_abridged ) . '</span>'; 1463 $display_link = str_replace( array( '%pagename%', '%postname%' ), $post_name_html, esc_html( urldecode( $permalink ) ) ); 1464 1465 $return = '<strong>' . __( 'Permalink:' ) . "</strong>\n"; 1466 $return .= '<span id="sample-permalink"><a href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . $display_link . "</a></span>\n"; 1467 $return .= '‎'; // Fix bi-directional text display defect in RTL languages. 1468 $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"; 1469 $return .= '<span id="editable-post-name-full">' . esc_html( $post_name ) . "</span>\n"; 1470 } 1471 1472 /** 1473 * Filters the sample permalink HTML markup. 1474 * 1475 * @since 2.9.0 1476 * @since 4.4.0 Added `$post` parameter. 1477 * 1478 * @param string $return Sample permalink HTML markup. 1479 * @param int $post_id Post ID. 1480 * @param string $new_title New sample permalink title. 1481 * @param string $new_slug New sample permalink slug. 1482 * @param WP_Post $post Post object. 1483 */ 1484 $return = apply_filters( 'get_sample_permalink_html', $return, $post->ID, $new_title, $new_slug, $post ); 1485 1486 return $return; 1487 } 1488 1489 /** 1490 * Output HTML for the post thumbnail meta-box. 1491 * 1492 * @since 2.9.0 1493 * 1494 * @param int $thumbnail_id ID of the attachment used for thumbnail 1495 * @param int|WP_Post $post Optional. The post ID or object associated with the thumbnail, defaults to global $post. 1496 * @return string html 1497 */ 1498 function _wp_post_thumbnail_html( $thumbnail_id = null, $post = null ) { 1499 $_wp_additional_image_sizes = wp_get_additional_image_sizes(); 1500 1501 $post = get_post( $post ); 1502 $post_type_object = get_post_type_object( $post->post_type ); 1503 $set_thumbnail_link = '<p class="hide-if-no-js"><a href="%s" id="set-post-thumbnail"%s class="thickbox">%s</a></p>'; 1504 $upload_iframe_src = get_upload_iframe_src( 'image', $post->ID ); 1505 1506 $content = sprintf( 1507 $set_thumbnail_link, 1508 esc_url( $upload_iframe_src ), 1509 '', // Empty when there's no featured image set, `aria-describedby` attribute otherwise. 1510 esc_html( $post_type_object->labels->set_featured_image ) 1511 ); 1512 1513 if ( $thumbnail_id && get_post( $thumbnail_id ) ) { 1514 $size = isset( $_wp_additional_image_sizes['post-thumbnail'] ) ? 'post-thumbnail' : array( 266, 266 ); 1515 1516 /** 1517 * Filters the size used to display the post thumbnail image in the 'Featured Image' meta box. 1518 * 1519 * Note: When a theme adds 'post-thumbnail' support, a special 'post-thumbnail' 1520 * image size is registered, which differs from the 'thumbnail' image size 1521 * managed via the Settings > Media screen. See the `$size` parameter description 1522 * for more information on default values. 1523 * 1524 * @since 4.4.0 1525 * 1526 * @param string|array $size Post thumbnail image size to display in the meta box. Accepts any valid 1527 * image size, or an array of width and height values in pixels (in that order). 1528 * If the 'post-thumbnail' size is set, default is 'post-thumbnail'. Otherwise, 1529 * default is an array with 266 as both the height and width values. 1530 * @param int $thumbnail_id Post thumbnail attachment ID. 1531 * @param WP_Post $post The post object associated with the thumbnail. 1532 */ 1533 $size = apply_filters( 'admin_post_thumbnail_size', $size, $thumbnail_id, $post ); 1534 1535 $thumbnail_html = wp_get_attachment_image( $thumbnail_id, $size ); 1536 1537 if ( ! empty( $thumbnail_html ) ) { 1538 $content = sprintf( 1539 $set_thumbnail_link, 1540 esc_url( $upload_iframe_src ), 1541 ' aria-describedby="set-post-thumbnail-desc"', 1542 $thumbnail_html 1543 ); 1544 $content .= '<p class="hide-if-no-js howto" id="set-post-thumbnail-desc">' . __( 'Click the image to edit or update' ) . '</p>'; 1545 $content .= '<p class="hide-if-no-js"><a href="#" id="remove-post-thumbnail">' . esc_html( $post_type_object->labels->remove_featured_image ) . '</a></p>'; 1546 } 1547 } 1548 1549 $content .= '<input type="hidden" id="_thumbnail_id" name="_thumbnail_id" value="' . esc_attr( $thumbnail_id ? $thumbnail_id : '-1' ) . '" />'; 1550 1551 /** 1552 * Filters the admin post thumbnail HTML markup to return. 1553 * 1554 * @since 2.9.0 1555 * @since 3.5.0 Added the `$post_id` parameter. 1556 * @since 4.6.0 Added the `$thumbnail_id` parameter. 1557 * 1558 * @param string $content Admin post thumbnail HTML markup. 1559 * @param int $post_id Post ID. 1560 * @param int|null $thumbnail_id Thumbnail attachment ID, or null if there isn't one. 1561 */ 1562 return apply_filters( 'admin_post_thumbnail_html', $content, $post->ID, $thumbnail_id ); 1563 } 1564 1565 /** 1566 * Check to see if the post is currently being edited by another user. 1567 * 1568 * @since 2.5.0 1569 * 1570 * @param int $post_id ID of the post to check for editing. 1571 * @return int|false ID of the user with lock. False if the post does not exist, post is not locked, 1572 * the user with lock does not exist, or the post is locked by current user. 1573 */ 1574 function wp_check_post_lock( $post_id ) { 1575 $post = get_post( $post_id ); 1576 if ( ! $post ) { 1577 return false; 1578 } 1579 1580 $lock = get_post_meta( $post->ID, '_edit_lock', true ); 1581 if ( ! $lock ) { 1582 return false; 1583 } 1584 1585 $lock = explode( ':', $lock ); 1586 $time = $lock[0]; 1587 $user = isset( $lock[1] ) ? $lock[1] : get_post_meta( $post->ID, '_edit_last', true ); 1588 1589 if ( ! get_userdata( $user ) ) { 1590 return false; 1591 } 1592 1593 /** This filter is documented in wp-admin/includes/ajax-actions.php */ 1594 $time_window = apply_filters( 'wp_check_post_lock_window', 150 ); 1595 1596 if ( $time && $time > time() - $time_window && $user != get_current_user_id() ) { 1597 return $user; 1598 } 1599 1600 return false; 1601 } 1602 1603 /** 1604 * Mark the post as currently being edited by the current user 1605 * 1606 * @since 2.5.0 1607 * 1608 * @param int $post_id ID of the post being edited. 1609 * @return array|false Array of the lock time and user ID. False if the post does not exist, or 1610 * there is no current user. 1611 */ 1612 function wp_set_post_lock( $post_id ) { 1613 $post = get_post( $post_id ); 1614 if ( ! $post ) { 1615 return false; 1616 } 1617 1618 $user_id = get_current_user_id(); 1619 if ( 0 == $user_id ) { 1620 return false; 1621 } 1622 1623 $now = time(); 1624 $lock = "$now:$user_id"; 1625 1626 update_post_meta( $post->ID, '_edit_lock', $lock ); 1627 1628 return array( $now, $user_id ); 1629 } 1630 1631 /** 1632 * Outputs the HTML for the notice to say that someone else is editing or has taken over editing of this post. 1633 * 1634 * @since 2.8.5 1635 */ 1636 function _admin_notice_post_locked() { 1637 $post = get_post(); 1638 if ( ! $post ) { 1639 return; 1640 } 1641 1642 $user = null; 1643 $user_id = wp_check_post_lock( $post->ID ); 1644 if ( $user_id ) { 1645 $user = get_userdata( $user_id ); 1646 } 1647 1648 if ( $user ) { 1649 /** 1650 * Filters whether to show the post locked dialog. 1651 * 1652 * Returning false from the filter will prevent the dialog from being displayed. 1653 * 1654 * @since 3.6.0 1655 * 1656 * @param bool $display Whether to display the dialog. Default true. 1657 * @param WP_Post $post Post object. 1658 * @param WP_User $user The user with the lock for the post. 1659 */ 1660 if ( ! apply_filters( 'show_post_locked_dialog', true, $post, $user ) ) { 1661 return; 1662 } 1663 1664 $locked = true; 1665 } else { 1666 $locked = false; 1667 } 1668 1669 $sendback = wp_get_referer(); 1670 if ( $locked && $sendback && false === strpos( $sendback, 'post.php' ) && false === strpos( $sendback, 'post-new.php' ) ) { 1671 1672 $sendback_text = __( 'Go back' ); 1673 } else { 1674 $sendback = admin_url( 'edit.php' ); 1675 1676 if ( 'post' != $post->post_type ) { 1677 $sendback = add_query_arg( 'post_type', $post->post_type, $sendback ); 1678 } 1679 1680 $sendback_text = get_post_type_object( $post->post_type )->labels->all_items; 1681 } 1682 1683 $hidden = $locked ? '' : ' hidden'; 1684 1685 ?> 1686 <div id="post-lock-dialog" class="notification-dialog-wrap<?php echo $hidden; ?>"> 1687 <div class="notification-dialog-background"></div> 1688 <div class="notification-dialog"> 1689 <?php 1690 1691 if ( $locked ) { 1692 $query_args = array(); 1693 if ( get_post_type_object( $post->post_type )->public ) { 1694 if ( 'publish' == $post->post_status || $user->ID != $post->post_author ) { 1695 // Latest content is in autosave 1696 $nonce = wp_create_nonce( 'post_preview_' . $post->ID ); 1697 $query_args['preview_id'] = $post->ID; 1698 $query_args['preview_nonce'] = $nonce; 1699 } 1700 } 1701 1702 $preview_link = get_preview_post_link( $post->ID, $query_args ); 1703 1704 /** 1705 * Filters whether to allow the post lock to be overridden. 1706 * 1707 * Returning false from the filter will disable the ability 1708 * to override the post lock. 1709 * 1710 * @since 3.6.0 1711 * 1712 * @param bool $override Whether to allow the post lock to be overridden. Default true. 1713 * @param WP_Post $post Post object. 1714 * @param WP_User $user The user with the lock for the post. 1715 */ 1716 $override = apply_filters( 'override_post_lock', true, $post, $user ); 1717 $tab_last = $override ? '' : ' wp-tab-last'; 1718 1719 ?> 1720 <div class="post-locked-message"> 1721 <div class="post-locked-avatar"><?php echo get_avatar( $user->ID, 64 ); ?></div> 1722 <p class="currently-editing wp-tab-first" tabindex="0"> 1723 <?php 1724 if ( $override ) { 1725 /* translators: %s: User's display name. */ 1726 printf( __( '%s is already editing this post. Do you want to take over?' ), esc_html( $user->display_name ) ); 1727 } else { 1728 /* translators: %s: User's display name. */ 1729 printf( __( '%s is already editing this post.' ), esc_html( $user->display_name ) ); 1730 } 1731 ?> 1732 </p> 1733 <?php 1734 /** 1735 * Fires inside the post locked dialog before the buttons are displayed. 1736 * 1737 * @since 3.6.0 1738 * 1739 * @param WP_Post $post Post object. 1740 */ 1741 do_action( 'post_locked_dialog', $post ); 1742 ?> 1743 <p> 1744 <a class="button" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a> 1745 <?php if ( $preview_link ) { ?> 1746 <a class="button<?php echo $tab_last; ?>" href="<?php echo esc_url( $preview_link ); ?>"><?php _e( 'Preview' ); ?></a> 1747 <?php 1748 } 1749 1750 // Allow plugins to prevent some users overriding the post lock 1751 if ( $override ) { 1752 ?> 1753 <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> 1754 <?php 1755 } 1756 1757 ?> 1758 </p> 1759 </div> 1760 <?php 1761 } else { 1762 ?> 1763 <div class="post-taken-over"> 1764 <div class="post-locked-avatar"></div> 1765 <p class="wp-tab-first" tabindex="0"> 1766 <span class="currently-editing"></span><br /> 1767 <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> 1768 <span class="locked-saved hidden"><?php _e( 'Your latest changes were saved as a revision.' ); ?></span> 1769 </p> 1770 <?php 1771 /** 1772 * Fires inside the dialog displayed when a user has lost the post lock. 1773 * 1774 * @since 3.6.0 1775 * 1776 * @param WP_Post $post Post object. 1777 */ 1778 do_action( 'post_lock_lost_dialog', $post ); 1779 ?> 1780 <p><a class="button button-primary wp-tab-last" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a></p> 1781 </div> 1782 <?php 1783 } 1784 1785 ?> 1786 </div> 1787 </div> 1788 <?php 1789 } 1790 1791 /** 1792 * Creates autosave data for the specified post from $_POST data. 1793 * 1794 * @since 2.6.0 1795 * 1796 * @param mixed $post_data Associative array containing the post data or int post ID. 1797 * @return mixed The autosave revision ID. WP_Error or 0 on error. 1798 */ 1799 function wp_create_post_autosave( $post_data ) { 1800 if ( is_numeric( $post_data ) ) { 1801 $post_id = $post_data; 1802 $post_data = $_POST; 1803 } else { 1804 $post_id = (int) $post_data['post_ID']; 1805 } 1806 1807 $post_data = _wp_translate_postdata( true, $post_data ); 1808 if ( is_wp_error( $post_data ) ) { 1809 return $post_data; 1810 } 1811 $post_data = _wp_get_allowed_postdata( $post_data ); 1812 1813 $post_author = get_current_user_id(); 1814 1815 // Store one autosave per author. If there is already an autosave, overwrite it. 1816 $old_autosave = wp_get_post_autosave( $post_id, $post_author ); 1817 if ( $old_autosave ) { 1818 $new_autosave = _wp_post_revision_data( $post_data, true ); 1819 $new_autosave['ID'] = $old_autosave->ID; 1820 $new_autosave['post_author'] = $post_author; 1821 1822 // If the new autosave has the same content as the post, delete the autosave. 1823 $post = get_post( $post_id ); 1824 $autosave_is_different = false; 1825 foreach ( array_intersect( array_keys( $new_autosave ), array_keys( _wp_post_revision_fields( $post ) ) ) as $field ) { 1826 if ( normalize_whitespace( $new_autosave[ $field ] ) != normalize_whitespace( $post->$field ) ) { 1827 $autosave_is_different = true; 1828 break; 1829 } 1830 } 1831 1832 if ( ! $autosave_is_different ) { 1833 wp_delete_post_revision( $old_autosave->ID ); 1834 return 0; 1835 } 1836 1837 /** 1838 * Fires before an autosave is stored. 1839 * 1840 * @since 4.1.0 1841 * 1842 * @param array $new_autosave Post array - the autosave that is about to be saved. 1843 */ 1844 do_action( 'wp_creating_autosave', $new_autosave ); 1845 1846 return wp_update_post( $new_autosave ); 1847 } 1848 1849 // _wp_put_post_revision() expects unescaped. 1850 $post_data = wp_unslash( $post_data ); 1851 1852 // Otherwise create the new autosave as a special post revision 1853 return _wp_put_post_revision( $post_data, true ); 1854 } 1855 1856 /** 1857 * Saves a draft or manually autosaves for the purpose of showing a post preview. 1858 * 1859 * @since 2.7.0 1860 * 1861 * @return string URL to redirect to show the preview. 1862 */ 1863 function post_preview() { 1864 1865 $post_ID = (int) $_POST['post_ID']; 1866 $_POST['ID'] = $post_ID; 1867 1868 $post = get_post( $post_ID ); 1869 if ( ! $post ) { 1870 wp_die( __( 'Sorry, you are not allowed to edit this post.' ) ); 1871 } 1872 1873 if ( ! current_user_can( 'edit_post', $post->ID ) ) { 1874 wp_die( __( 'Sorry, you are not allowed to edit this post.' ) ); 1875 } 1876 1877 $is_autosave = false; 1878 1879 if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author && ( 'draft' == $post->post_status || 'auto-draft' == $post->post_status ) ) { 1880 $saved_post_id = edit_post(); 1881 } else { 1882 $is_autosave = true; 1883 1884 if ( isset( $_POST['post_status'] ) && 'auto-draft' == $_POST['post_status'] ) { 1885 $_POST['post_status'] = 'draft'; 1886 } 1887 1888 $saved_post_id = wp_create_post_autosave( $post->ID ); 1889 } 1890 1891 if ( is_wp_error( $saved_post_id ) ) { 1892 wp_die( $saved_post_id->get_error_message() ); 1893 } 1894 1895 $query_args = array(); 1896 1897 if ( $is_autosave && $saved_post_id ) { 1898 $query_args['preview_id'] = $post->ID; 1899 $query_args['preview_nonce'] = wp_create_nonce( 'post_preview_' . $post->ID ); 1900 1901 if ( isset( $_POST['post_format'] ) ) { 1902 $query_args['post_format'] = empty( $_POST['post_format'] ) ? 'standard' : sanitize_key( $_POST['post_format'] ); 1903 } 1904 1905 if ( isset( $_POST['_thumbnail_id'] ) ) { 1906 $query_args['_thumbnail_id'] = ( intval( $_POST['_thumbnail_id'] ) <= 0 ) ? '-1' : intval( $_POST['_thumbnail_id'] ); 1907 } 1908 } 1909 1910 return get_preview_post_link( $post, $query_args ); 1911 } 1912 1913 /** 1914 * Save a post submitted with XHR 1915 * 1916 * Intended for use with heartbeat and autosave.js 1917 * 1918 * @since 3.9.0 1919 * 1920 * @param array $post_data Associative array of the submitted post data. 1921 * @return mixed The value 0 or WP_Error on failure. The saved post ID on success. 1922 * The ID can be the draft post_id or the autosave revision post_id. 1923 */ 1924 function wp_autosave( $post_data ) { 1925 // Back-compat 1926 if ( ! defined( 'DOING_AUTOSAVE' ) ) { 1927 define( 'DOING_AUTOSAVE', true ); 1928 } 1929 1930 $post_id = (int) $post_data['post_id']; 1931 $post_data['ID'] = $post_id; 1932 $post_data['post_ID'] = $post_id; 1933 1934 if ( false === wp_verify_nonce( $post_data['_wpnonce'], 'update-post_' . $post_id ) ) { 1935 return new WP_Error( 'invalid_nonce', __( 'Error while saving.' ) ); 1936 } 1937 1938 $post = get_post( $post_id ); 1939 1940 if ( ! current_user_can( 'edit_post', $post->ID ) ) { 1941 return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to edit this item.' ) ); 1942 } 1943 1944 if ( 'auto-draft' == $post->post_status ) { 1945 $post_data['post_status'] = 'draft'; 1946 } 1947 1948 if ( $post_data['post_type'] != 'page' && ! empty( $post_data['catslist'] ) ) { 1949 $post_data['post_category'] = explode( ',', $post_data['catslist'] ); 1950 } 1951 1952 if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author && ( 'auto-draft' == $post->post_status || 'draft' == $post->post_status ) ) { 1953 // Drafts and auto-drafts are just overwritten by autosave for the same user if the post is not locked 1954 return edit_post( wp_slash( $post_data ) ); 1955 } else { 1956 // Non drafts or other users drafts are not overwritten. The autosave is stored in a special post revision for each user. 1957 return wp_create_post_autosave( wp_slash( $post_data ) ); 1958 } 1959 } 1960 1961 /** 1962 * Redirect to previous page. 1963 * 1964 * @param int $post_id Optional. Post ID. 1965 */ 1966 function redirect_post( $post_id = '' ) { 1967 if ( isset( $_POST['save'] ) || isset( $_POST['publish'] ) ) { 1968 $status = get_post_status( $post_id ); 1969 1970 if ( isset( $_POST['publish'] ) ) { 1971 switch ( $status ) { 1972 case 'pending': 1973 $message = 8; 1974 break; 1975 case 'future': 1976 $message = 9; 1977 break; 1978 default: 1979 $message = 6; 1980 } 1981 } else { 1982 $message = 'draft' == $status ? 10 : 1; 1983 } 1984 1985 $location = add_query_arg( 'message', $message, get_edit_post_link( $post_id, 'url' ) ); 1986 } elseif ( isset( $_POST['addmeta'] ) && $_POST['addmeta'] ) { 1987 $location = add_query_arg( 'message', 2, wp_get_referer() ); 1988 $location = explode( '#', $location ); 1989 $location = $location[0] . '#postcustom'; 1990 } elseif ( isset( $_POST['deletemeta'] ) && $_POST['deletemeta'] ) { 1991 $location = add_query_arg( 'message', 3, wp_get_referer() ); 1992 $location = explode( '#', $location ); 1993 $location = $location[0] . '#postcustom'; 1994 } else { 1995 $location = add_query_arg( 'message', 4, get_edit_post_link( $post_id, 'url' ) ); 1996 } 1997 1998 /** 1999 * Filters the post redirect destination URL. 2000 * 2001 * @since 2.9.0 2002 * 2003 * @param string $location The destination URL. 2004 * @param int $post_id The post ID. 2005 */ 2006 wp_redirect( apply_filters( 'redirect_post_location', $location, $post_id ) ); 2007 exit; 2008 } 2009 2010 /** 2011 * Sanitizes POST values from a checkbox taxonomy metabox. 2012 * 2013 * @since 5.1.0 2014 * 2015 * @param mixed $terms Raw term data from the 'tax_input' field. 2016 * @return array 2017 */ 2018 function taxonomy_meta_box_sanitize_cb_checkboxes( $taxonomy, $terms ) { 2019 return array_map( 'intval', $terms ); 2020 } 2021 2022 /** 2023 * Sanitizes POST values from an input taxonomy metabox. 2024 * 2025 * @since 5.1.0 2026 * 2027 * @param mixed $terms Raw term data from the 'tax_input' field. 2028 * @return array 2029 */ 2030 function taxonomy_meta_box_sanitize_cb_input( $taxonomy, $terms ) { 2031 /* 2032 * Assume that a 'tax_input' string is a comma-separated list of term names. 2033 * Some languages may use a character other than a comma as a delimiter, so we standardize on 2034 * commas before parsing the list. 2035 */ 2036 if ( ! is_array( $terms ) ) { 2037 $comma = _x( ',', 'tag delimiter' ); 2038 if ( ',' !== $comma ) { 2039 $terms = str_replace( $comma, ',', $terms ); 2040 } 2041 $terms = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) ); 2042 } 2043 2044 $clean_terms = array(); 2045 foreach ( $terms as $term ) { 2046 // Empty terms are invalid input. 2047 if ( empty( $term ) ) { 2048 continue; 2049 } 2050 2051 $_term = get_terms( 2052 array( 2053 'taxonomy' => $taxonomy, 2054 'name' => $term, 2055 'fields' => 'ids', 2056 'hide_empty' => false, 2057 ) 2058 ); 2059 2060 if ( ! empty( $_term ) ) { 2061 $clean_terms[] = intval( $_term[0] ); 2062 } else { 2063 // No existing term was found, so pass the string. A new term will be created. 2064 $clean_terms[] = $term; 2065 } 2066 } 2067 2068 return $clean_terms; 2069 } 2070 2071 /** 2072 * Return whether the post can be edited in the block editor. 2073 * 2074 * @since 5.0.0 2075 * 2076 * @param int|WP_Post $post Post ID or WP_Post object. 2077 * @return bool Whether the post can be edited in the block editor. 2078 */ 2079 function use_block_editor_for_post( $post ) { 2080 $post = get_post( $post ); 2081 2082 if ( ! $post ) { 2083 return false; 2084 } 2085 2086 // We're in the meta box loader, so don't use the block editor. 2087 if ( isset( $_GET['meta-box-loader'] ) ) { 2088 check_admin_referer( 'meta-box-loader', 'meta-box-loader-nonce' ); 2089 return false; 2090 } 2091 2092 // The posts page can't be edited in the block editor. 2093 if ( absint( get_option( 'page_for_posts' ) ) === $post->ID && empty( $post->post_content ) ) { 2094 return false; 2095 } 2096 2097 $use_block_editor = use_block_editor_for_post_type( $post->post_type ); 2098 2099 /** 2100 * Filter whether a post is able to be edited in the block editor. 2101 * 2102 * @since 5.0.0 2103 * 2104 * @param bool $use_block_editor Whether the post can be edited or not. 2105 * @param WP_Post $post The post being checked. 2106 */ 2107 return apply_filters( 'use_block_editor_for_post', $use_block_editor, $post ); 2108 } 2109 2110 /** 2111 * Return whether a post type is compatible with the block editor. 2112 * 2113 * The block editor depends on the REST API, and if the post type is not shown in the 2114 * REST API, then it won't work with the block editor. 2115 * 2116 * @since 5.0.0 2117 * 2118 * @param string $post_type The post type. 2119 * @return bool Whether the post type can be edited with the block editor. 2120 */ 2121 function use_block_editor_for_post_type( $post_type ) { 2122 if ( ! post_type_exists( $post_type ) ) { 2123 return false; 2124 } 2125 2126 if ( ! post_type_supports( $post_type, 'editor' ) ) { 2127 return false; 2128 } 2129 2130 $post_type_object = get_post_type_object( $post_type ); 2131 if ( $post_type_object && ! $post_type_object->show_in_rest ) { 2132 return false; 2133 } 2134 2135 /** 2136 * Filter whether a post is able to be edited in the block editor. 2137 * 2138 * @since 5.0.0 2139 * 2140 * @param bool $use_block_editor Whether the post type can be edited or not. Default true. 2141 * @param string $post_type The post type being checked. 2142 */ 2143 return apply_filters( 'use_block_editor_for_post_type', true, $post_type ); 2144 } 2145 2146 /** 2147 * Returns all the block categories that will be shown in the block editor. 2148 * 2149 * @since 5.0.0 2150 * 2151 * @param WP_Post $post Post object. 2152 * @return array[] Array of block categories. 2153 */ 2154 function get_block_categories( $post ) { 2155 $default_categories = array( 2156 array( 2157 'slug' => 'common', 2158 'title' => __( 'Common Blocks' ), 2159 'icon' => null, 2160 ), 2161 array( 2162 'slug' => 'formatting', 2163 'title' => __( 'Formatting' ), 2164 'icon' => null, 2165 ), 2166 array( 2167 'slug' => 'layout', 2168 'title' => __( 'Layout Elements' ), 2169 'icon' => null, 2170 ), 2171 array( 2172 'slug' => 'widgets', 2173 'title' => __( 'Widgets' ), 2174 'icon' => null, 2175 ), 2176 array( 2177 'slug' => 'embed', 2178 'title' => __( 'Embeds' ), 2179 'icon' => null, 2180 ), 2181 array( 2182 'slug' => 'reusable', 2183 'title' => __( 'Reusable Blocks' ), 2184 'icon' => null, 2185 ), 2186 ); 2187 2188 /** 2189 * Filter the default array of block categories. 2190 * 2191 * @since 5.0.0 2192 * 2193 * @param array[] $default_categories Array of block categories. 2194 * @param WP_Post $post Post being loaded. 2195 */ 2196 return apply_filters( 'block_categories', $default_categories, $post ); 2197 } 2198 2199 /** 2200 * Prepares server-registered blocks for the block editor. 2201 * 2202 * Returns an associative array of registered block data keyed by block name. Data includes properties 2203 * of a block relevant for client registration. 2204 * 2205 * @since 5.0.0 2206 * 2207 * @return array An associative array of registered block data. 2208 */ 2209 function get_block_editor_server_block_settings() { 2210 $block_registry = WP_Block_Type_Registry::get_instance(); 2211 $blocks = array(); 2212 $keys_to_pick = array( 'title', 'description', 'icon', 'category', 'keywords', 'parent', 'supports', 'attributes', 'styles' ); 2213 2214 foreach ( $block_registry->get_all_registered() as $block_name => $block_type ) { 2215 foreach ( $keys_to_pick as $key ) { 2216 if ( ! isset( $block_type->{ $key } ) ) { 2217 continue; 2218 } 2219 2220 if ( ! isset( $blocks[ $block_name ] ) ) { 2221 $blocks[ $block_name ] = array(); 2222 } 2223 2224 $blocks[ $block_name ][ $key ] = $block_type->{ $key }; 2225 } 2226 } 2227 2228 return $blocks; 2229 } 2230 2231 /** 2232 * Renders the meta boxes forms. 2233 * 2234 * @since 5.0.0 2235 */ 2236 function the_block_editor_meta_boxes() { 2237 global $post, $current_screen, $wp_meta_boxes; 2238 2239 // Handle meta box state. 2240 $_original_meta_boxes = $wp_meta_boxes; 2241 2242 /** 2243 * Fires right before the meta boxes are rendered. 2244 * 2245 * This allows for the filtering of meta box data, that should already be 2246 * present by this point. Do not use as a means of adding meta box data. 2247 * 2248 * @since 5.0.0 2249 * 2250 * @param array $wp_meta_boxes Global meta box state. 2251 */ 2252 $wp_meta_boxes = apply_filters( 'filter_block_editor_meta_boxes', $wp_meta_boxes ); 2253 $locations = array( 'side', 'normal', 'advanced' ); 2254 $priorities = array( 'high', 'sorted', 'core', 'default', 'low' ); 2255 2256 // Render meta boxes. 2257 ?> 2258 <form class="metabox-base-form"> 2259 <?php the_block_editor_meta_box_post_form_hidden_fields( $post ); ?> 2260 </form> 2261 <form id="toggle-custom-fields-form" method="post" action="<?php echo esc_attr( admin_url( 'post.php' ) ); ?>"> 2262 <?php wp_nonce_field( 'toggle-custom-fields' ); ?> 2263 <input type="hidden" name="action" value="toggle-custom-fields" /> 2264 </form> 2265 <?php foreach ( $locations as $location ) : ?> 2266 <form class="metabox-location-<?php echo esc_attr( $location ); ?>" onsubmit="return false;"> 2267 <div id="poststuff" class="sidebar-open"> 2268 <div id="postbox-container-2" class="postbox-container"> 2269 <?php 2270 do_meta_boxes( 2271 $current_screen, 2272 $location, 2273 $post 2274 ); 2275 ?> 2276 </div> 2277 </div> 2278 </form> 2279 <?php endforeach; ?> 2280 <?php 2281 2282 $meta_boxes_per_location = array(); 2283 foreach ( $locations as $location ) { 2284 $meta_boxes_per_location[ $location ] = array(); 2285 2286 if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ] ) ) { 2287 continue; 2288 } 2289 2290 foreach ( $priorities as $priority ) { 2291 if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ] ) ) { 2292 continue; 2293 } 2294 2295 $meta_boxes = (array) $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ]; 2296 foreach ( $meta_boxes as $meta_box ) { 2297 if ( false == $meta_box || ! $meta_box['title'] ) { 2298 continue; 2299 } 2300 2301 // If a meta box is just here for back compat, don't show it in the block editor. 2302 if ( isset( $meta_box['args']['__back_compat_meta_box'] ) && $meta_box['args']['__back_compat_meta_box'] ) { 2303 continue; 2304 } 2305 2306 $meta_boxes_per_location[ $location ][] = array( 2307 'id' => $meta_box['id'], 2308 'title' => $meta_box['title'], 2309 ); 2310 } 2311 } 2312 } 2313 2314 /** 2315 * Sadly we probably can not add this data directly into editor settings. 2316 * 2317 * Some meta boxes need admin_head to fire for meta box registry. 2318 * admin_head fires after admin_enqueue_scripts, which is where we create our 2319 * editor instance. 2320 */ 2321 $script = 'window._wpLoadBlockEditor.then( function() { 2322 wp.data.dispatch( \'core/edit-post\' ).setAvailableMetaBoxesPerLocation( ' . wp_json_encode( $meta_boxes_per_location ) . ' ); 2323 } );'; 2324 2325 wp_add_inline_script( 'wp-edit-post', $script ); 2326 2327 /** 2328 * When `wp-edit-post` is output in the `<head>`, the inline script needs to be manually printed. Otherwise, 2329 * meta boxes will not display because inline scripts for `wp-edit-post` will not be printed again after this point. 2330 */ 2331 if ( wp_script_is( 'wp-edit-post', 'done' ) ) { 2332 printf( "<script type='text/javascript'>\n%s\n</script>\n", trim( $script ) ); 2333 } 2334 2335 /** 2336 * If the 'postcustom' meta box is enabled, then we need to perform some 2337 * extra initialization on it. 2338 */ 2339 $enable_custom_fields = (bool) get_user_meta( get_current_user_id(), 'enable_custom_fields', true ); 2340 if ( $enable_custom_fields ) { 2341 $script = "( function( $ ) { 2342 if ( $('#postcustom').length ) { 2343 $( '#the-list' ).wpList( { 2344 addBefore: function( s ) { 2345 s.data += '&post_id=$post->ID'; 2346 return s; 2347 }, 2348 addAfter: function() { 2349 $('table#list-table').show(); 2350 } 2351 }); 2352 } 2353 } )( jQuery );"; 2354 wp_enqueue_script( 'wp-lists' ); 2355 wp_add_inline_script( 'wp-lists', $script ); 2356 } 2357 2358 // Reset meta box data. 2359 $wp_meta_boxes = $_original_meta_boxes; 2360 } 2361 2362 /** 2363 * Renders the hidden form required for the meta boxes form. 2364 * 2365 * @since 5.0.0 2366 * 2367 * @param WP_Post $post Current post object. 2368 */ 2369 function the_block_editor_meta_box_post_form_hidden_fields( $post ) { 2370 $form_extra = ''; 2371 if ( 'auto-draft' === $post->post_status ) { 2372 $form_extra .= "<input type='hidden' id='auto_draft' name='auto_draft' value='1' />"; 2373 } 2374 $form_action = 'editpost'; 2375 $nonce_action = 'update-post_' . $post->ID; 2376 $form_extra .= "<input type='hidden' id='post_ID' name='post_ID' value='" . esc_attr( $post->ID ) . "' />"; 2377 $referer = wp_get_referer(); 2378 $current_user = wp_get_current_user(); 2379 $user_id = $current_user->ID; 2380 wp_nonce_field( $nonce_action ); 2381 2382 /* 2383 * Some meta boxes hook into these actions to add hidden input fields in the classic post form. For backwards 2384 * compatibility, we can capture the output from these actions, and extract the hidden input fields. 2385 */ 2386 ob_start(); 2387 /** This filter is documented in wp-admin/edit-form-advanced.php */ 2388 do_action( 'edit_form_after_title', $post ); 2389 /** This filter is documented in wp-admin/edit-form-advanced.php */ 2390 do_action( 'edit_form_advanced', $post ); 2391 $classic_output = ob_get_clean(); 2392 2393 $classic_elements = wp_html_split( $classic_output ); 2394 $hidden_inputs = ''; 2395 foreach ( $classic_elements as $element ) { 2396 if ( 0 !== strpos( $element, '<input ' ) ) { 2397 continue; 2398 } 2399 2400 if ( preg_match( '/\stype=[\'"]hidden[\'"]\s/', $element ) ) { 2401 echo $element; 2402 } 2403 } 2404 ?> 2405 <input type="hidden" id="user-id" name="user_ID" value="<?php echo (int) $user_id; ?>" /> 2406 <input type="hidden" id="hiddenaction" name="action" value="<?php echo esc_attr( $form_action ); ?>" /> 2407 <input type="hidden" id="originalaction" name="originalaction" value="<?php echo esc_attr( $form_action ); ?>" /> 2408 <input type="hidden" id="post_type" name="post_type" value="<?php echo esc_attr( $post->post_type ); ?>" /> 2409 <input type="hidden" id="original_post_status" name="original_post_status" value="<?php echo esc_attr( $post->post_status ); ?>" /> 2410 <input type="hidden" id="referredby" name="referredby" value="<?php echo $referer ? esc_url( $referer ) : ''; ?>" /> 2411 2412 <?php 2413 if ( 'draft' !== get_post_status( $post ) ) { 2414 wp_original_referer_field( true, 'previous' ); 2415 } 2416 echo $form_extra; 2417 wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false ); 2418 wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false ); 2419 // Permalink title nonce. 2420 wp_nonce_field( 'samplepermalink', 'samplepermalinknonce', false ); 2421 2422 /** 2423 * Add hidden input fields to the meta box save form. 2424 * 2425 * Hook into this action to print `<input type="hidden" ... />` fields, which will be POSTed back to 2426 * the server when meta boxes are saved. 2427 * 2428 * @since 5.0.0 2429 * 2430 * @param WP_Post $post The post that is being edited. 2431 */ 2432 do_action( 'block_editor_meta_box_hidden_fields', $post ); 2433 }
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| Generated: Sat Nov 23 20:47:33 2019 | Cross-referenced by PHPXref 0.7 |