3 * WordPress Post Administration API.
6 * @subpackage Administration
10 * Rename $_POST data from form names to DB post columns.
12 * Manipulates $_POST directly.
17 * @param bool $update Are we updating a pre-existing post?
18 * @param array $post_data Array of post data. Defaults to the contents of $_POST.
19 * @return object|bool WP_Error on failure, true on success.
21 function _wp_translate_postdata( $update = false, $post_data = null ) {
23 if ( empty($post_data) )
27 $post_data['ID'] = (int) $post_data['post_ID'];
29 $ptype = get_post_type_object( $post_data['post_type'] );
31 if ( $update && ! current_user_can( 'edit_post', $post_data['ID'] ) ) {
32 if ( 'page' == $post_data['post_type'] )
33 return new WP_Error( 'edit_others_pages', __( 'You are not allowed to edit pages as this user.' ) );
35 return new WP_Error( 'edit_others_posts', __( 'You are not allowed to edit posts as this user.' ) );
36 } elseif ( ! $update && ! current_user_can( $ptype->cap->create_posts ) ) {
37 if ( 'page' == $post_data['post_type'] )
38 return new WP_Error( 'edit_others_pages', __( 'You are not allowed to create pages as this user.' ) );
40 return new WP_Error( 'edit_others_posts', __( 'You are not allowed to create posts as this user.' ) );
43 if ( isset( $post_data['content'] ) )
44 $post_data['post_content'] = $post_data['content'];
46 if ( isset( $post_data['excerpt'] ) )
47 $post_data['post_excerpt'] = $post_data['excerpt'];
49 if ( isset( $post_data['parent_id'] ) )
50 $post_data['post_parent'] = (int) $post_data['parent_id'];
52 if ( isset($post_data['trackback_url']) )
53 $post_data['to_ping'] = $post_data['trackback_url'];
55 $post_data['user_ID'] = $GLOBALS['user_ID'];
57 if (!empty ( $post_data['post_author_override'] ) ) {
58 $post_data['post_author'] = (int) $post_data['post_author_override'];
60 if (!empty ( $post_data['post_author'] ) ) {
61 $post_data['post_author'] = (int) $post_data['post_author'];
63 $post_data['post_author'] = (int) $post_data['user_ID'];
67 if ( isset( $post_data['user_ID'] ) && ( $post_data['post_author'] != $post_data['user_ID'] )
68 && ! current_user_can( $ptype->cap->edit_others_posts ) ) {
70 if ( 'page' == $post_data['post_type'] )
71 return new WP_Error( 'edit_others_pages', __( 'You are not allowed to edit pages as this user.' ) );
73 return new WP_Error( 'edit_others_posts', __( 'You are not allowed to edit posts as this user.' ) );
75 if ( 'page' == $post_data['post_type'] )
76 return new WP_Error( 'edit_others_pages', __( 'You are not allowed to create pages as this user.' ) );
78 return new WP_Error( 'edit_others_posts', __( 'You are not allowed to create posts as this user.' ) );
82 if ( ! empty( $post_data['post_status'] ) )
83 $post_data['post_status'] = sanitize_key( $post_data['post_status'] );
85 // What to do based on which button they pressed
86 if ( isset($post_data['saveasdraft']) && '' != $post_data['saveasdraft'] )
87 $post_data['post_status'] = 'draft';
88 if ( isset($post_data['saveasprivate']) && '' != $post_data['saveasprivate'] )
89 $post_data['post_status'] = 'private';
90 if ( isset($post_data['publish']) && ( '' != $post_data['publish'] ) && ( !isset($post_data['post_status']) || $post_data['post_status'] != 'private' ) )
91 $post_data['post_status'] = 'publish';
92 if ( isset($post_data['advanced']) && '' != $post_data['advanced'] )
93 $post_data['post_status'] = 'draft';
94 if ( isset($post_data['pending']) && '' != $post_data['pending'] )
95 $post_data['post_status'] = 'pending';
97 if ( isset( $post_data['ID'] ) )
98 $post_id = $post_data['ID'];
101 $previous_status = $post_id ? get_post_field( 'post_status', $post_id ) : false;
103 $published_statuses = array( 'publish', 'future' );
105 // Posts 'submitted for approval' present are submitted to $_POST the same as if they were being published.
106 // Change status from 'publish' to 'pending' if user lacks permissions to publish or to resave published posts.
107 if ( isset($post_data['post_status']) && (in_array( $post_data['post_status'], $published_statuses ) && !current_user_can( $ptype->cap->publish_posts )) )
108 if ( ! in_array( $previous_status, $published_statuses ) || !current_user_can( 'edit_post', $post_id ) )
109 $post_data['post_status'] = 'pending';
111 if ( ! isset($post_data['post_status']) )
112 $post_data['post_status'] = $previous_status;
114 if (!isset( $post_data['comment_status'] ))
115 $post_data['comment_status'] = 'closed';
117 if (!isset( $post_data['ping_status'] ))
118 $post_data['ping_status'] = 'closed';
120 foreach ( array('aa', 'mm', 'jj', 'hh', 'mn') as $timeunit ) {
121 if ( !empty( $post_data['hidden_' . $timeunit] ) && $post_data['hidden_' . $timeunit] != $post_data[$timeunit] ) {
122 $post_data['edit_date'] = '1';
127 if ( !empty( $post_data['edit_date'] ) ) {
128 $aa = $post_data['aa'];
129 $mm = $post_data['mm'];
130 $jj = $post_data['jj'];
131 $hh = $post_data['hh'];
132 $mn = $post_data['mn'];
133 $ss = $post_data['ss'];
134 $aa = ($aa <= 0 ) ? date('Y') : $aa;
135 $mm = ($mm <= 0 ) ? date('n') : $mm;
136 $jj = ($jj > 31 ) ? 31 : $jj;
137 $jj = ($jj <= 0 ) ? date('j') : $jj;
138 $hh = ($hh > 23 ) ? $hh -24 : $hh;
139 $mn = ($mn > 59 ) ? $mn -60 : $mn;
140 $ss = ($ss > 59 ) ? $ss -60 : $ss;
141 $post_data['post_date'] = sprintf( "%04d-%02d-%02d %02d:%02d:%02d", $aa, $mm, $jj, $hh, $mn, $ss );
142 $valid_date = wp_checkdate( $mm, $jj, $aa, $post_data['post_date'] );
143 if ( !$valid_date ) {
144 return new WP_Error( 'invalid_date', __( 'Whoops, the provided date is invalid.' ) );
146 $post_data['post_date_gmt'] = get_gmt_from_date( $post_data['post_date'] );
153 * Update an existing post with values provided in $_POST.
157 * @param array $post_data Optional.
158 * @return int Post ID.
160 function edit_post( $post_data = null ) {
162 if ( empty($post_data) )
163 $post_data = &$_POST;
165 // Clear out any data in internal vars.
166 unset( $post_data['filter'] );
168 $post_ID = (int) $post_data['post_ID'];
169 $post = get_post( $post_ID );
170 $post_data['post_type'] = $post->post_type;
171 $post_data['post_mime_type'] = $post->post_mime_type;
173 $ptype = get_post_type_object($post_data['post_type']);
174 if ( !current_user_can( 'edit_post', $post_ID ) ) {
175 if ( 'page' == $post_data['post_type'] )
176 wp_die( __('You are not allowed to edit this page.' ));
178 wp_die( __('You are not allowed to edit this post.' ));
181 $post_data = _wp_translate_postdata( true, $post_data );
182 if ( is_wp_error($post_data) )
183 wp_die( $post_data->get_error_message() );
184 if ( ( empty( $post_data['action'] ) || 'autosave' != $post_data['action'] ) && 'auto-draft' == $post_data['post_status'] ) {
185 $post_data['post_status'] = 'draft';
188 if ( isset($post_data['visibility']) ) {
189 switch ( $post_data['visibility'] ) {
191 $post_data['post_password'] = '';
194 unset( $post_data['sticky'] );
197 $post_data['post_status'] = 'private';
198 $post_data['post_password'] = '';
199 unset( $post_data['sticky'] );
205 if ( isset( $post_data['post_format'] ) )
206 set_post_format( $post_ID, $post_data['post_format'] );
208 $format_meta_urls = array( 'url', 'link_url', 'quote_source_url' );
209 foreach ( $format_meta_urls as $format_meta_url ) {
210 $keyed = '_format_' . $format_meta_url;
211 if ( isset( $post_data[ $keyed ] ) )
212 update_post_meta( $post_ID, $keyed, wp_slash( esc_url_raw( wp_unslash( $post_data[ $keyed ] ) ) ) );
215 $format_keys = array( 'quote', 'quote_source_name', 'image', 'gallery', 'audio_embed', 'video_embed' );
217 foreach ( $format_keys as $key ) {
218 $keyed = '_format_' . $key;
219 if ( isset( $post_data[ $keyed ] ) ) {
220 if ( current_user_can( 'unfiltered_html' ) )
221 update_post_meta( $post_ID, $keyed, $post_data[ $keyed ] );
223 update_post_meta( $post_ID, $keyed, wp_filter_post_kses( $post_data[ $keyed ] ) );
228 if ( isset($post_data['meta']) && $post_data['meta'] ) {
229 foreach ( $post_data['meta'] as $key => $value ) {
230 if ( !$meta = get_post_meta_by_id( $key ) )
232 if ( $meta->post_id != $post_ID )
234 if ( is_protected_meta( $value['key'], 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $value['key'] ) )
236 update_meta( $key, $value['key'], $value['value'] );
240 if ( isset($post_data['deletemeta']) && $post_data['deletemeta'] ) {
241 foreach ( $post_data['deletemeta'] as $key => $value ) {
242 if ( !$meta = get_post_meta_by_id( $key ) )
244 if ( $meta->post_id != $post_ID )
246 if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $post_ID, $meta->meta_key ) )
253 if ( 'attachment' == $post_data['post_type'] ) {
254 if ( isset( $post_data[ '_wp_attachment_image_alt' ] ) ) {
255 $image_alt = wp_unslash( $post_data['_wp_attachment_image_alt'] );
256 if ( $image_alt != get_post_meta( $post_ID, '_wp_attachment_image_alt', true ) ) {
257 $image_alt = wp_strip_all_tags( $image_alt, true );
258 // update_meta expects slashed
259 update_post_meta( $post_ID, '_wp_attachment_image_alt', wp_slash( $image_alt ) );
263 $attachment_data = isset( $post_data['attachments'][ $post_ID ] ) ? $post_data['attachments'][ $post_ID ] : array();
264 $post_data = apply_filters( 'attachment_fields_to_save', $post_data, $attachment_data );
267 add_meta( $post_ID );
269 update_post_meta( $post_ID, '_edit_last', $GLOBALS['current_user']->ID );
271 wp_update_post( $post_data );
273 // Now that we have an ID we can fix any attachment anchor hrefs
274 _fix_attachment_links( $post_ID );
276 wp_set_post_lock( $post_ID );
278 if ( current_user_can( $ptype->cap->edit_others_posts ) ) {
279 if ( ! empty( $post_data['sticky'] ) )
280 stick_post( $post_ID );
282 unstick_post( $post_ID );
289 * Process the post data for the bulk editing of posts.
291 * Updates all bulk edited posts/pages, adding (but not removing) tags and
292 * categories. Skips pages when they would be their own parent or child.
296 * @param array $post_data Optional, the array of post data to process if not provided will use $_POST superglobal.
299 function bulk_edit_posts( $post_data = null ) {
302 if ( empty($post_data) )
303 $post_data = &$_POST;
305 if ( isset($post_data['post_type']) )
306 $ptype = get_post_type_object($post_data['post_type']);
308 $ptype = get_post_type_object('post');
310 if ( !current_user_can( $ptype->cap->edit_posts ) ) {
311 if ( 'page' == $ptype->name )
312 wp_die( __('You are not allowed to edit pages.'));
314 wp_die( __('You are not allowed to edit posts.'));
317 if ( -1 == $post_data['_status'] ) {
318 $post_data['post_status'] = null;
319 unset($post_data['post_status']);
321 $post_data['post_status'] = $post_data['_status'];
323 unset($post_data['_status']);
325 $post_IDs = array_map( 'intval', (array) $post_data['post'] );
327 $reset = array( 'post_author', 'post_status', 'post_password', 'post_parent', 'page_template', 'comment_status', 'ping_status', 'keep_private', 'tax_input', 'post_category', 'sticky' );
328 foreach ( $reset as $field ) {
329 if ( isset($post_data[$field]) && ( '' == $post_data[$field] || -1 == $post_data[$field] ) )
330 unset($post_data[$field]);
333 if ( isset($post_data['post_category']) ) {
334 if ( is_array($post_data['post_category']) && ! empty($post_data['post_category']) )
335 $new_cats = array_map( 'absint', $post_data['post_category'] );
337 unset($post_data['post_category']);
340 $tax_input = array();
341 if ( isset($post_data['tax_input'])) {
342 foreach ( $post_data['tax_input'] as $tax_name => $terms ) {
345 if ( is_taxonomy_hierarchical( $tax_name ) ) {
346 $tax_input[ $tax_name ] = array_map( 'absint', $terms );
348 $comma = _x( ',', 'tag delimiter' );
349 if ( ',' !== $comma )
350 $terms = str_replace( $comma, ',', $terms );
351 $tax_input[ $tax_name ] = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) );
356 if ( isset($post_data['post_parent']) && ($parent = (int) $post_data['post_parent']) ) {
357 $pages = $wpdb->get_results("SELECT ID, post_parent FROM $wpdb->posts WHERE post_type = 'page'");
360 for ( $i = 0; $i < 50 && $parent > 0; $i++ ) {
361 $children[] = $parent;
363 foreach ( $pages as $page ) {
364 if ( $page->ID == $parent ) {
365 $parent = $page->post_parent;
372 $updated = $skipped = $locked = array();
373 foreach ( $post_IDs as $post_ID ) {
374 $post_type_object = get_post_type_object( get_post_type( $post_ID ) );
376 if ( !isset( $post_type_object ) || ( isset($children) && in_array($post_ID, $children) ) || !current_user_can( 'edit_post', $post_ID ) ) {
377 $skipped[] = $post_ID;
381 if ( wp_check_post_lock( $post_ID ) ) {
382 $locked[] = $post_ID;
386 $post = get_post( $post_ID );
387 $tax_names = get_object_taxonomies( $post );
388 foreach ( $tax_names as $tax_name ) {
389 $taxonomy_obj = get_taxonomy($tax_name);
390 if ( isset( $tax_input[$tax_name]) && current_user_can( $taxonomy_obj->cap->assign_terms ) )
391 $new_terms = $tax_input[$tax_name];
393 $new_terms = array();
395 if ( $taxonomy_obj->hierarchical )
396 $current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array('fields' => 'ids') );
398 $current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array('fields' => 'names') );
400 $post_data['tax_input'][$tax_name] = array_merge( $current_terms, $new_terms );
403 if ( isset($new_cats) && in_array( 'category', $tax_names ) ) {
404 $cats = (array) wp_get_post_categories($post_ID);
405 $post_data['post_category'] = array_unique( array_merge($cats, $new_cats) );
406 unset( $post_data['tax_input']['category'] );
409 $post_data['post_mime_type'] = $post->post_mime_type;
410 $post_data['guid'] = $post->guid;
412 $post_data['ID'] = $post_ID;
413 $updated[] = wp_update_post( $post_data );
415 if ( isset( $post_data['sticky'] ) && current_user_can( $ptype->cap->edit_others_posts ) ) {
416 if ( 'sticky' == $post_data['sticky'] )
417 stick_post( $post_ID );
419 unstick_post( $post_ID );
423 return array( 'updated' => $updated, 'skipped' => $skipped, 'locked' => $locked );
427 * Default post information to use when populating the "Write Post" form.
431 * @param string $post_type A post type string, defaults to 'post'.
432 * @return WP_Post Post object containing all the default post data as attributes
434 function get_default_post_to_edit( $post_type = 'post', $create_in_db = false ) {
438 if ( !empty( $_REQUEST['post_title'] ) )
439 $post_title = esc_html( wp_unslash( $_REQUEST['post_title'] ));
442 if ( !empty( $_REQUEST['content'] ) )
443 $post_content = esc_html( wp_unslash( $_REQUEST['content'] ));
446 if ( !empty( $_REQUEST['excerpt'] ) )
447 $post_excerpt = esc_html( wp_unslash( $_REQUEST['excerpt'] ));
449 if ( $create_in_db ) {
450 $post_id = wp_insert_post( array( 'post_title' => __( 'Auto Draft' ), 'post_type' => $post_type, 'post_status' => 'auto-draft' ) );
451 $post = get_post( $post_id );
452 if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) && get_option( 'default_post_format' ) )
453 set_post_format( $post, get_option( 'default_post_format' ) );
455 $post = new stdClass;
457 $post->post_author = '';
458 $post->post_date = '';
459 $post->post_date_gmt = '';
460 $post->post_password = '';
461 $post->post_type = $post_type;
462 $post->post_status = 'draft';
465 $post->comment_status = get_option( 'default_comment_status' );
466 $post->ping_status = get_option( 'default_ping_status' );
467 $post->post_pingback = get_option( 'default_pingback_flag' );
468 $post->post_category = get_option( 'default_category' );
469 $post->page_template = 'default';
470 $post->post_parent = 0;
471 $post->menu_order = 0;
472 $post = new WP_Post( $post );
475 $post->post_content = apply_filters( 'default_content', $post_content, $post );
476 $post->post_title = apply_filters( 'default_title', $post_title, $post );
477 $post->post_excerpt = apply_filters( 'default_excerpt', $post_excerpt, $post );
478 $post->post_name = '';
484 * Determine if a post exists based on title, content, and date
488 * @param string $title Post title
489 * @param string $content Optional post content
490 * @param string $date Optional post date
491 * @return int Post ID if post exists, 0 otherwise.
493 function post_exists($title, $content = '', $date = '') {
496 $post_title = wp_unslash( sanitize_post_field( 'post_title', $title, 0, 'db' ) );
497 $post_content = wp_unslash( sanitize_post_field( 'post_content', $content, 0, 'db' ) );
498 $post_date = wp_unslash( sanitize_post_field( 'post_date', $date, 0, 'db' ) );
500 $query = "SELECT ID FROM $wpdb->posts WHERE 1=1";
503 if ( !empty ( $date ) ) {
504 $query .= ' AND post_date = %s';
505 $args[] = $post_date;
508 if ( !empty ( $title ) ) {
509 $query .= ' AND post_title = %s';
510 $args[] = $post_title;
513 if ( !empty ( $content ) ) {
514 $query .= 'AND post_content = %s';
515 $args[] = $post_content;
518 if ( !empty ( $args ) )
519 return (int) $wpdb->get_var( $wpdb->prepare($query, $args) );
525 * Creates a new post from the "Write Post" form using $_POST information.
531 function wp_write_post() {
534 if ( isset($_POST['post_type']) )
535 $ptype = get_post_type_object($_POST['post_type']);
537 $ptype = get_post_type_object('post');
539 if ( !current_user_can( $ptype->cap->edit_posts ) ) {
540 if ( 'page' == $ptype->name )
541 return new WP_Error( 'edit_pages', __( 'You are not allowed to create pages on this site.' ) );
543 return new WP_Error( 'edit_posts', __( 'You are not allowed to create posts or drafts on this site.' ) );
546 $_POST['post_mime_type'] = '';
548 // Clear out any data in internal vars.
549 unset( $_POST['filter'] );
551 // Edit don't write if we have a post id.
552 if ( isset( $_POST['post_ID'] ) )
555 $translated = _wp_translate_postdata( false );
556 if ( is_wp_error($translated) )
559 if ( isset($_POST['visibility']) ) {
560 switch ( $_POST['visibility'] ) {
562 $_POST['post_password'] = '';
565 unset( $_POST['sticky'] );
568 $_POST['post_status'] = 'private';
569 $_POST['post_password'] = '';
570 unset( $_POST['sticky'] );
576 $post_ID = wp_insert_post( $_POST );
577 if ( is_wp_error( $post_ID ) )
580 if ( empty($post_ID) )
583 add_meta( $post_ID );
585 add_post_meta( $post_ID, '_edit_last', $GLOBALS['current_user']->ID );
587 // Now that we have an ID we can fix any attachment anchor hrefs
588 _fix_attachment_links( $post_ID );
590 wp_set_post_lock( $post_ID );
596 * Calls wp_write_post() and handles the errors.
600 * @uses wp_write_post()
601 * @uses is_wp_error()
605 function write_post() {
606 $result = wp_write_post();
607 if ( is_wp_error( $result ) )
608 wp_die( $result->get_error_message() );
618 * {@internal Missing Short Description}}
622 * @param unknown_type $post_ID
625 function add_meta( $post_ID ) {
627 $post_ID = (int) $post_ID;
629 $metakeyselect = isset($_POST['metakeyselect']) ? wp_unslash( trim( $_POST['metakeyselect'] ) ) : '';
630 $metakeyinput = isset($_POST['metakeyinput']) ? wp_unslash( trim( $_POST['metakeyinput'] ) ) : '';
631 $metavalue = isset($_POST['metavalue']) ? $_POST['metavalue'] : '';
632 if ( is_string( $metavalue ) )
633 $metavalue = trim( $metavalue );
635 if ( ('0' === $metavalue || ! empty ( $metavalue ) ) && ( ( ( '#NONE#' != $metakeyselect ) && !empty ( $metakeyselect) ) || !empty ( $metakeyinput ) ) ) {
636 // We have a key/value pair. If both the select and the
637 // input for the key have data, the input takes precedence:
639 if ( '#NONE#' != $metakeyselect )
640 $metakey = $metakeyselect;
643 $metakey = $metakeyinput; // default
645 if ( is_protected_meta( $metakey, 'post' ) || ! current_user_can( 'add_post_meta', $post_ID, $metakey ) )
648 $metakey = wp_slash( $metakey );
650 return add_post_meta( $post_ID, $metakey, $metavalue );
657 * {@internal Missing Short Description}}
661 * @param unknown_type $mid
664 function delete_meta( $mid ) {
665 return delete_metadata_by_mid( 'post' , $mid );
669 * Get a list of previously defined keys.
675 function get_meta_keys() {
678 $keys = $wpdb->get_col( "
682 ORDER BY meta_key" );
688 * {@internal Missing Short Description}}
692 * @param unknown_type $mid
695 function get_post_meta_by_id( $mid ) {
696 return get_metadata_by_mid( 'post', $mid );
700 * {@internal Missing Short Description}}
702 * Some postmeta stuff.
706 * @param unknown_type $postid
709 function has_meta( $postid ) {
712 return $wpdb->get_results( $wpdb->prepare("SELECT meta_key, meta_value, meta_id, post_id
713 FROM $wpdb->postmeta WHERE post_id = %d
714 ORDER BY meta_key,meta_id", $postid), ARRAY_A );
718 * {@internal Missing Short Description}}
722 * @param unknown_type $meta_id
723 * @param unknown_type $meta_key Expect Slashed
724 * @param unknown_type $meta_value Expect Slashed
727 function update_meta( $meta_id, $meta_key, $meta_value ) {
728 $meta_key = wp_unslash( $meta_key );
729 $meta_value = wp_unslash( $meta_value );
731 return update_metadata_by_mid( 'post', $meta_id, $meta_value, $meta_key );
739 * Replace hrefs of attachment anchors with up-to-date permalinks.
744 * @param unknown_type $post_ID
747 function _fix_attachment_links( $post_ID ) {
748 $post = get_post( $post_ID, ARRAY_A );
749 $content = $post['post_content'];
751 // quick sanity check, don't run if no pretty permalinks or post is not published
752 if ( !get_option('permalink_structure') || $post['post_status'] != 'publish' )
755 // Short if there aren't any links or no '?attachment_id=' strings (strpos cannot be zero)
756 if ( !strpos($content, '?attachment_id=') || !preg_match_all( '/<a ([^>]+)>[\s\S]+?<\/a>/', $content, $link_matches ) )
759 $site_url = get_bloginfo('url');
760 $site_url = substr( $site_url, (int) strpos($site_url, '://') ); // remove the http(s)
763 foreach ( $link_matches[1] as $key => $value ) {
764 if ( !strpos($value, '?attachment_id=') || !strpos($value, 'wp-att-')
765 || !preg_match( '/href=(["\'])[^"\']*\?attachment_id=(\d+)[^"\']*\\1/', $value, $url_match )
766 || !preg_match( '/rel=["\'][^"\']*wp-att-(\d+)/', $value, $rel_match ) )
769 $quote = $url_match[1]; // the quote (single or double)
770 $url_id = (int) $url_match[2];
771 $rel_id = (int) $rel_match[1];
773 if ( !$url_id || !$rel_id || $url_id != $rel_id || strpos($url_match[0], $site_url) === false )
776 $link = $link_matches[0][$key];
777 $replace = str_replace( $url_match[0], 'href=' . $quote . get_attachment_link( $url_id ) . $quote, $link );
779 $content = str_replace( $link, $replace, $content );
783 $post['post_content'] = $content;
784 // Escape data pulled from DB.
785 $post = add_magic_quotes($post);
787 return wp_update_post($post);
792 * Move child posts to a new parent.
797 * @param unknown_type $old_ID
798 * @param unknown_type $new_ID
801 function _relocate_children( $old_ID, $new_ID ) {
803 $old_ID = (int) $old_ID;
804 $new_ID = (int) $new_ID;
806 $children = $wpdb->get_col( $wpdb->prepare("
809 WHERE meta_key = '_wp_attachment_temp_parent'
810 AND meta_value = %d", $old_ID) );
812 foreach ( $children as $child_id ) {
813 $wpdb->update($wpdb->posts, array('post_parent' => $new_ID), array('ID' => $child_id) );
814 delete_post_meta($child_id, '_wp_attachment_temp_parent');
819 * Get all the possible statuses for a post_type
823 * @param string $type The post_type you want the statuses for
824 * @return array As array of all the statuses for the supplied post type
826 function get_available_post_statuses($type = 'post') {
827 $stati = wp_count_posts($type);
829 return array_keys(get_object_vars($stati));
833 * Run the wp query to fetch the posts for listing on the edit posts page
837 * @param array|bool $q Array of query variables to use to build the query or false to use $_GET superglobal.
840 function wp_edit_posts_query( $q = false ) {
843 $q['m'] = isset($q['m']) ? (int) $q['m'] : 0;
844 $q['cat'] = isset($q['cat']) ? (int) $q['cat'] : 0;
845 $post_stati = get_post_stati();
847 if ( isset($q['post_type']) && in_array( $q['post_type'], get_post_types() ) )
848 $post_type = $q['post_type'];
852 $avail_post_stati = get_available_post_statuses($post_type);
854 if ( isset($q['post_status']) && in_array( $q['post_status'], $post_stati ) ) {
855 $post_status = $q['post_status'];
859 if ( isset($q['orderby']) )
860 $orderby = $q['orderby'];
861 elseif ( isset($q['post_status']) && in_array($q['post_status'], array('pending', 'draft')) )
862 $orderby = 'modified';
864 if ( isset($q['order']) )
865 $order = $q['order'];
866 elseif ( isset($q['post_status']) && 'pending' == $q['post_status'] )
869 $per_page = 'edit_' . $post_type . '_per_page';
870 $posts_per_page = (int) get_user_option( $per_page );
871 if ( empty( $posts_per_page ) || $posts_per_page < 1 )
872 $posts_per_page = 20;
874 $posts_per_page = apply_filters( $per_page, $posts_per_page );
875 $posts_per_page = apply_filters( 'edit_posts_per_page', $posts_per_page, $post_type );
877 $query = compact('post_type', 'post_status', 'perm', 'order', 'orderby', 'posts_per_page');
879 // Hierarchical types require special args.
880 if ( is_post_type_hierarchical( $post_type ) && !isset($orderby) ) {
881 $query['orderby'] = 'menu_order title';
882 $query['order'] = 'asc';
883 $query['posts_per_page'] = -1;
884 $query['posts_per_archive_page'] = -1;
887 if ( ! empty( $q['show_sticky'] ) )
888 $query['post__in'] = (array) get_option( 'sticky_posts' );
892 return $avail_post_stati;
896 * {@internal Missing Short Description}}
900 * @param unknown_type $type
903 function get_available_post_mime_types($type = 'attachment') {
906 $types = $wpdb->get_col($wpdb->prepare("SELECT DISTINCT post_mime_type FROM $wpdb->posts WHERE post_type = %s", $type));
911 * Executes a query for attachments. An array of WP_Query arguments
912 * can be passed in, which will override the arguments set by this function.
915 * @uses apply_filters() Calls 'upload_per_page' on posts_per_page argument
917 * @param array|bool $q Array of query variables to use to build the query or false to use $_GET superglobal.
920 function wp_edit_attachments_query( $q = false ) {
924 $q['m'] = isset( $q['m'] ) ? (int) $q['m'] : 0;
925 $q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0;
926 $q['post_type'] = 'attachment';
927 $post_type = get_post_type_object( 'attachment' );
929 if ( current_user_can( $post_type->cap->read_private_posts ) )
930 $states .= ',private';
932 $q['post_status'] = isset( $q['status'] ) && 'trash' == $q['status'] ? 'trash' : $states;
933 $media_per_page = (int) get_user_option( 'upload_per_page' );
934 if ( empty( $media_per_page ) || $media_per_page < 1 )
935 $media_per_page = 20;
936 $q['posts_per_page'] = apply_filters( 'upload_per_page', $media_per_page );
938 $post_mime_types = get_post_mime_types();
939 $avail_post_mime_types = get_available_post_mime_types('attachment');
941 if ( isset($q['post_mime_type']) && !array_intersect( (array) $q['post_mime_type'], array_keys($post_mime_types) ) )
942 unset($q['post_mime_type']);
944 if ( isset($q['detached']) )
945 add_filter('posts_where', '_edit_attachments_query_helper');
949 if ( isset($q['detached']) )
950 remove_filter('posts_where', '_edit_attachments_query_helper');
952 return array($post_mime_types, $avail_post_mime_types);
955 function _edit_attachments_query_helper($where) {
957 return $where .= " AND {$wpdb->posts}.post_parent < 1";
961 * Returns the list of classes to be used by a metabox
963 * @uses get_user_option()
966 * @param unknown_type $id
967 * @param unknown_type $page
970 function postbox_classes( $id, $page ) {
971 if ( isset( $_GET['edit'] ) && $_GET['edit'] == $id ) {
972 $classes = array( '' );
973 } elseif ( $closed = get_user_option('closedpostboxes_'.$page ) ) {
974 if ( !is_array( $closed ) ) {
975 $classes = array( '' );
977 $classes = in_array( $id, $closed ) ? array( 'closed' ) : array( '' );
980 $classes = array( '' );
983 $classes = apply_filters( "postbox_classes_{$page}_{$id}", $classes );
984 return implode( ' ', $classes );
988 * {@internal Missing Short Description}}
992 * @param int|object $id Post ID or post object.
993 * @param string $title (optional) Title
994 * @param string $name (optional) Name
995 * @return array With two entries of type string
997 function get_sample_permalink($id, $title = null, $name = null) {
998 $post = get_post($id);
1000 return array('', '');
1002 $ptype = get_post_type_object($post->post_type);
1004 $original_status = $post->post_status;
1005 $original_date = $post->post_date;
1006 $original_name = $post->post_name;
1008 // Hack: get_permalink() would return ugly permalink for drafts, so we will fake that our post is published.
1009 if ( in_array( $post->post_status, array( 'draft', 'pending' ) ) ) {
1010 $post->post_status = 'publish';
1011 $post->post_name = sanitize_title($post->post_name ? $post->post_name : $post->post_title, $post->ID);
1014 // If the user wants to set a new name -- override the current one
1015 // Note: if empty name is supplied -- use the title instead, see #6072
1016 if ( !is_null($name) )
1017 $post->post_name = sanitize_title($name ? $name : $title, $post->ID);
1019 $post->post_name = wp_unique_post_slug($post->post_name, $post->ID, $post->post_status, $post->post_type, $post->post_parent);
1021 $post->filter = 'sample';
1023 $permalink = get_permalink($post, true);
1025 // Replace custom post_type Token with generic pagename token for ease of use.
1026 $permalink = str_replace("%$post->post_type%", '%pagename%', $permalink);
1028 // Handle page hierarchy
1029 if ( $ptype->hierarchical ) {
1030 $uri = get_page_uri($post);
1031 $uri = untrailingslashit($uri);
1032 $uri = strrev( stristr( strrev( $uri ), '/' ) );
1033 $uri = untrailingslashit($uri);
1034 $uri = apply_filters( 'editable_slug', $uri );
1037 $permalink = str_replace('%pagename%', "{$uri}%pagename%", $permalink);
1040 $permalink = array($permalink, apply_filters('editable_slug', $post->post_name));
1041 $post->post_status = $original_status;
1042 $post->post_date = $original_date;
1043 $post->post_name = $original_name;
1044 unset($post->filter);
1050 * Returns the HTML of the sample permalink slug editor.
1054 * @param int|object $id Post ID or post object.
1055 * @param string $new_title Optional. New title.
1056 * @param string $new_slug Optional. New slug.
1057 * @return string The HTML of the sample permalink slug editor.
1059 function get_sample_permalink_html( $id, $new_title = null, $new_slug = null ) {
1061 $post = get_post($id);
1063 list($permalink, $post_name) = get_sample_permalink($post->ID, $new_title, $new_slug);
1065 if ( 'publish' == get_post_status( $post ) ) {
1066 $ptype = get_post_type_object($post->post_type);
1067 $view_post = $ptype->labels->view_item;
1068 $title = __('Click to edit this part of the permalink');
1070 $title = __('Temporary permalink. Click to edit this part.');
1073 if ( false === strpos($permalink, '%postname%') && false === strpos($permalink, '%pagename%') ) {
1074 $return = '<strong>' . __('Permalink:') . "</strong>\n" . '<span id="sample-permalink" tabindex="-1">' . $permalink . "</span>\n";
1075 if ( '' == get_option( 'permalink_structure' ) && current_user_can( 'manage_options' ) && !( 'page' == get_option('show_on_front') && $id == get_option('page_on_front') ) )
1076 $return .= '<span id="change-permalinks"><a href="options-permalink.php" class="button button-small" target="_blank">' . __('Change Permalinks') . "</a></span>\n";
1077 if ( isset( $view_post ) )
1078 $return .= "<span id='view-post-btn'><a href='$permalink' class='button button-small'>$view_post</a></span>\n";
1080 $return = apply_filters('get_sample_permalink_html', $return, $id, $new_title, $new_slug);
1085 if ( function_exists('mb_strlen') ) {
1086 if ( mb_strlen($post_name) > 30 ) {
1087 $post_name_abridged = mb_substr($post_name, 0, 14). '…' . mb_substr($post_name, -14);
1089 $post_name_abridged = $post_name;
1092 if ( strlen($post_name) > 30 ) {
1093 $post_name_abridged = substr($post_name, 0, 14). '…' . substr($post_name, -14);
1095 $post_name_abridged = $post_name;
1099 $post_name_html = '<span id="editable-post-name" title="' . $title . '">' . $post_name_abridged . '</span>';
1100 $display_link = str_replace(array('%pagename%','%postname%'), $post_name_html, $permalink);
1101 $view_link = str_replace(array('%pagename%','%postname%'), $post_name, $permalink);
1102 $return = '<strong>' . __('Permalink:') . "</strong>\n";
1103 $return .= '<span id="sample-permalink" tabindex="-1">' . $display_link . "</span>\n";
1104 $return .= '‎'; // Fix bi-directional text display defect in RTL languages.
1105 $return .= '<span id="edit-slug-buttons"><a href="#post_name" class="edit-slug button button-small hide-if-no-js" onclick="editPermalink(' . $id . '); return false;">' . __('Edit') . "</a></span>\n";
1106 $return .= '<span id="editable-post-name-full">' . $post_name . "</span>\n";
1107 if ( isset($view_post) )
1108 $return .= "<span id='view-post-btn'><a href='$view_link' class='button button-small'>$view_post</a></span>\n";
1110 $return = apply_filters('get_sample_permalink_html', $return, $id, $new_title, $new_slug);
1116 * Output HTML for the post thumbnail meta-box.
1120 * @param int $thumbnail_id ID of the attachment used for thumbnail
1121 * @param mixed $post The post ID or object associated with the thumbnail, defaults to global $post.
1122 * @return string html
1124 function _wp_post_thumbnail_html( $thumbnail_id = null, $post = null ) {
1125 global $content_width, $_wp_additional_image_sizes;
1127 $post = get_post( $post );
1129 $upload_iframe_src = esc_url( get_upload_iframe_src('image', $post->ID ) );
1130 $set_thumbnail_link = '<p class="hide-if-no-js"><a title="' . esc_attr__( 'Set featured image' ) . '" href="%s" id="set-post-thumbnail" class="thickbox">%s</a></p>';
1131 $content = sprintf( $set_thumbnail_link, $upload_iframe_src, esc_html__( 'Set featured image' ) );
1133 if ( $thumbnail_id && get_post( $thumbnail_id ) ) {
1134 $old_content_width = $content_width;
1135 $content_width = 266;
1136 if ( !isset( $_wp_additional_image_sizes['post-thumbnail'] ) )
1137 $thumbnail_html = wp_get_attachment_image( $thumbnail_id, array( $content_width, $content_width ) );
1139 $thumbnail_html = wp_get_attachment_image( $thumbnail_id, 'post-thumbnail' );
1140 if ( !empty( $thumbnail_html ) ) {
1141 $ajax_nonce = wp_create_nonce( 'set_post_thumbnail-' . $post->ID );
1142 $content = sprintf( $set_thumbnail_link, $upload_iframe_src, $thumbnail_html );
1143 $content .= '<p class="hide-if-no-js"><a href="#" id="remove-post-thumbnail" onclick="WPRemoveThumbnail(\'' . $ajax_nonce . '\');return false;">' . esc_html__( 'Remove featured image' ) . '</a></p>';
1145 $content_width = $old_content_width;
1148 return apply_filters( 'admin_post_thumbnail_html', $content, $post->ID );
1152 * Check to see if the post is currently being edited by another user.
1156 * @param int $post_id ID of the post to check for editing
1157 * @return bool|int False: not locked or locked by current user. Int: user ID of user with lock.
1159 function wp_check_post_lock( $post_id ) {
1160 if ( !$post = get_post( $post_id ) )
1163 if ( !$lock = get_post_meta( $post->ID, '_edit_lock', true ) )
1166 $lock = explode( ':', $lock );
1168 $user = isset( $lock[1] ) ? $lock[1] : get_post_meta( $post->ID, '_edit_last', true );
1170 $time_window = apply_filters( 'wp_check_post_lock_window', 120 );
1172 if ( $time && $time > time() - $time_window && $user != get_current_user_id() )
1178 * Mark the post as currently being edited by the current user
1182 * @param int $post_id ID of the post to being edited
1183 * @return bool|array Returns false if the post doesn't exist of there is no current user, or
1184 * an array of the lock time and the user ID.
1186 function wp_set_post_lock( $post_id ) {
1187 if ( !$post = get_post( $post_id ) )
1189 if ( 0 == ($user_id = get_current_user_id()) )
1193 $lock = "$now:$user_id";
1195 update_post_meta( $post->ID, '_edit_lock', $lock );
1196 return array( $now, $user_id );
1200 * Outputs the HTML for the notice to say that someone else is editing or has taken over editing of this post.
1205 function _admin_notice_post_locked() {
1206 if ( ! $post = get_post() )
1210 if ( $user_id = wp_check_post_lock( $post->ID ) )
1211 $user = get_userdata( $user_id );
1214 if ( ! apply_filters( 'show_post_locked_dialog', true, $post, $user ) )
1222 if ( $locked && ( $sendback = wp_get_referer() ) &&
1223 false === strpos( $sendback, 'post.php' ) && false === strpos( $sendback, 'post-new.php' ) ) {
1225 $sendback_text = __('Go back');
1227 $sendback = admin_url( 'edit.php' );
1229 if ( 'post' != $post->post_type )
1230 $sendback = add_query_arg( 'post_type', $post->post_type, $sendback );
1232 $sendback_text = get_post_type_object( $post->post_type )->labels->all_items;
1235 $hidden = $locked ? '' : ' hidden';
1238 <div id="post-lock-dialog" class="notification-dialog-wrap<?php echo $hidden; ?>">
1239 <div class="notification-dialog-background"></div>
1240 <div class="notification-dialog">
1244 if ( get_post_type_object( $post->post_type )->public ) {
1245 $preview_link = set_url_scheme( add_query_arg( 'preview', 'true', get_permalink( $post->ID ) ) );
1247 if ( 'publish' == $post->post_status || $user->ID != $post->post_author ) {
1248 // Latest content is in autosave
1249 $nonce = wp_create_nonce( 'post_preview_' . $post->ID );
1250 $preview_link = add_query_arg( array( 'preview_id' => $post->ID, 'preview_nonce' => $nonce ), $preview_link );
1256 $preview_link = apply_filters( 'preview_post_link', $preview_link );
1257 $override = apply_filters( 'override_post_lock', true, $post, $user );
1258 $tab_last = $override ? '' : ' wp-tab-last';
1261 <div class="post-locked-message">
1262 <div class="post-locked-avatar"><?php echo get_avatar( $user->ID, 64 ); ?></div>
1263 <p class="currently-editing wp-tab-first" tabindex="0"><?php echo esc_html( sprintf( __( 'This content is currently locked. If you take over, %s will be blocked from continuing to edit.' ), $user->display_name ) ); ?></p>
1264 <?php do_action( 'post_locked_dialog', $post ); ?>
1266 <a class="button" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a>
1267 <?php if ( $preview_link ) { ?>
1268 <a class="button<?php echo $tab_last; ?>" href="<?php echo esc_url( $preview_link ); ?>"><?php _e('Preview'); ?></a>
1272 // Allow plugins to prevent some users overriding the post lock
1275 <a class="button button-primary wp-tab-last" href="<?php echo esc_url( add_query_arg( 'get-post-lock', '1', get_edit_post_link( $post->ID, 'url' ) ) ); ?>"><?php _e('Take over'); ?></a>
1285 <div class="post-taken-over">
1286 <div class="post-locked-avatar"></div>
1287 <p class="wp-tab-first" tabindex="0">
1288 <span class="currently-editing"></span><br>
1289 <span class="locked-saving hidden"><img src="images/wpspin_light-2x.gif" width="16" height="16" /> <?php _e('Saving revision...'); ?></span>
1290 <span class="locked-saved hidden"><?php _e('Your latest changes were saved as a revision.'); ?></span>
1292 <?php do_action( 'post_lock_lost_dialog', $post ); ?>
1293 <p><a class="button button-primary wp-tab-last" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a></p>
1305 * Creates autosave data for the specified post from $_POST data.
1307 * @package WordPress
1308 * @subpackage Post_Revisions
1311 * @uses _wp_translate_postdata()
1312 * @uses _wp_post_revision_fields()
1316 function wp_create_post_autosave( $post_id ) {
1317 $translated = _wp_translate_postdata( true );
1318 if ( is_wp_error( $translated ) )
1321 $post_author = get_current_user_id();
1323 // Store one autosave per author. If there is already an autosave, overwrite it.
1324 if ( $old_autosave = wp_get_post_autosave( $post_id, $post_author ) ) {
1325 $new_autosave = _wp_post_revision_fields( $_POST, true );
1326 $new_autosave['ID'] = $old_autosave->ID;
1327 $new_autosave['post_author'] = $post_author;
1329 // If the new autosave is the same content as the post, delete the old autosave.
1330 $post = get_post( $post_id );
1331 $autosave_is_different = false;
1332 foreach ( array_keys( _wp_post_revision_fields() ) as $field ) {
1333 if ( normalize_whitespace( $new_autosave[ $field ] ) != normalize_whitespace( $post->$field ) ) {
1334 $autosave_is_different = true;
1339 if ( ! $autosave_is_different ) {
1340 wp_delete_post_revision( $old_autosave->ID );
1344 return wp_update_post( $new_autosave );
1347 // _wp_put_post_revision() expects unescaped.
1348 $post_data = wp_unslash( $_POST );
1350 // Otherwise create the new autosave as a special post revision
1351 return _wp_put_post_revision( $post_data, true );
1355 * Save draft or manually autosave for showing preview.
1357 * @package WordPress
1360 * @uses get_post_status()
1363 * @uses current_user_can()
1365 * @uses wp_create_post_autosave()
1366 * @uses add_query_arg()
1367 * @uses wp_create_nonce()
1369 * @return str URL to redirect to show the preview
1371 function post_preview() {
1373 $post_ID = (int) $_POST['post_ID'];
1374 $status = get_post_status( $post_ID );
1375 if ( 'auto-draft' == $status )
1376 wp_die( __('Preview not available. Please save as a draft first.') );
1378 if ( isset($_POST['catslist']) )
1379 $_POST['post_category'] = explode(",", $_POST['catslist']);
1381 if ( isset($_POST['tags_input']) )
1382 $_POST['tags_input'] = explode(",", $_POST['tags_input']);
1384 if ( $_POST['post_type'] == 'page' || empty($_POST['post_category']) )
1385 unset($_POST['post_category']);
1387 $_POST['ID'] = $post_ID;
1388 $post = get_post($post_ID);
1390 if ( 'page' == $post->post_type ) {
1391 if ( ! current_user_can('edit_page', $post_ID) )
1392 wp_die( __('You are not allowed to edit this page.') );
1394 if ( ! current_user_can('edit_post', $post_ID) )
1395 wp_die( __('You are not allowed to edit this post.') );
1398 $user_id = get_current_user_id();
1399 $locked = wp_check_post_lock( $post->ID );
1400 if ( ! $locked && 'draft' == $post->post_status && $user_id == $post->post_author ) {
1402 } else { // Non drafts are not overwritten. The autosave is stored in a special post revision.
1403 $id = wp_create_post_autosave( $post->ID );
1404 if ( ! is_wp_error($id) )
1408 if ( is_wp_error($id) )
1409 wp_die( $id->get_error_message() );
1411 if ( ! $locked && $_POST['post_status'] == 'draft' && $user_id == $post->post_author ) {
1412 $url = add_query_arg( 'preview', 'true', get_permalink($id) );
1414 $nonce = wp_create_nonce('post_preview_' . $id);
1416 'preview' => 'true',
1417 'preview_id' => $id,
1418 'preview_nonce' => $nonce,
1421 if ( isset( $_POST['post_format'] ) )
1422 $args['post_format'] = empty( $_POST['post_format'] ) ? 'standard' : sanitize_key( $_POST['post_format'] );
1424 $url = add_query_arg( $args, get_permalink($id) );
1427 return apply_filters( 'preview_post_link', $url );