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( $ptype->cap->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'] = $post_data['trackback_url'];
55 if ( !isset($post_data['user_ID']) )
56 $post_data['user_ID'] = $GLOBALS['user_ID'];
58 if (!empty ( $post_data['post_author_override'] ) ) {
59 $post_data['post_author'] = (int) $post_data['post_author_override'];
61 if (!empty ( $post_data['post_author'] ) ) {
62 $post_data['post_author'] = (int) $post_data['post_author'];
64 $post_data['post_author'] = (int) $post_data['user_ID'];
68 if ( ! $update && isset( $post_data['user_ID'] ) && ( $post_data['post_author'] != $post_data['user_ID'] )
69 && ! current_user_can( $ptype->cap->edit_others_posts ) ) {
71 if ( 'page' == $post_data['post_type'] )
72 return new WP_Error( 'edit_others_pages', __( 'You are not allowed to create pages as this user.' ) );
74 return new WP_Error( 'edit_others_posts', __( 'You are not allowed to create posts as this user.' ) );
77 // What to do based on which button they pressed
78 if ( isset($post_data['saveasdraft']) && '' != $post_data['saveasdraft'] )
79 $post_data['post_status'] = 'draft';
80 if ( isset($post_data['saveasprivate']) && '' != $post_data['saveasprivate'] )
81 $post_data['post_status'] = 'private';
82 if ( isset($post_data['publish']) && ( '' != $post_data['publish'] ) && ( !isset($post_data['post_status']) || $post_data['post_status'] != 'private' ) )
83 $post_data['post_status'] = 'publish';
84 if ( isset($post_data['advanced']) && '' != $post_data['advanced'] )
85 $post_data['post_status'] = 'draft';
86 if ( isset($post_data['pending']) && '' != $post_data['pending'] )
87 $post_data['post_status'] = 'pending';
89 if ( isset( $post_data['ID'] ) )
90 $post_id = $post_data['ID'];
93 $previous_status = $post_id ? get_post_field( 'post_status', $post_id ) : false;
95 // Posts 'submitted for approval' present are submitted to $_POST the same as if they were being published.
96 // Change status from 'publish' to 'pending' if user lacks permissions to publish or to resave published posts.
97 if ( isset($post_data['post_status']) && ('publish' == $post_data['post_status'] && !current_user_can( $ptype->cap->publish_posts )) )
98 if ( $previous_status != 'publish' || !current_user_can( 'edit_post', $post_id ) )
99 $post_data['post_status'] = 'pending';
101 if ( ! isset($post_data['post_status']) )
102 $post_data['post_status'] = $previous_status;
104 if (!isset( $post_data['comment_status'] ))
105 $post_data['comment_status'] = 'closed';
107 if (!isset( $post_data['ping_status'] ))
108 $post_data['ping_status'] = 'closed';
110 foreach ( array('aa', 'mm', 'jj', 'hh', 'mn') as $timeunit ) {
111 if ( !empty( $post_data['hidden_' . $timeunit] ) && $post_data['hidden_' . $timeunit] != $post_data[$timeunit] ) {
112 $post_data['edit_date'] = '1';
117 if ( !empty( $post_data['edit_date'] ) ) {
118 $aa = $post_data['aa'];
119 $mm = $post_data['mm'];
120 $jj = $post_data['jj'];
121 $hh = $post_data['hh'];
122 $mn = $post_data['mn'];
123 $ss = $post_data['ss'];
124 $aa = ($aa <= 0 ) ? date('Y') : $aa;
125 $mm = ($mm <= 0 ) ? date('n') : $mm;
126 $jj = ($jj > 31 ) ? 31 : $jj;
127 $jj = ($jj <= 0 ) ? date('j') : $jj;
128 $hh = ($hh > 23 ) ? $hh -24 : $hh;
129 $mn = ($mn > 59 ) ? $mn -60 : $mn;
130 $ss = ($ss > 59 ) ? $ss -60 : $ss;
131 $post_data['post_date'] = sprintf( "%04d-%02d-%02d %02d:%02d:%02d", $aa, $mm, $jj, $hh, $mn, $ss );
132 $valid_date = wp_checkdate( $mm, $jj, $aa, $post_data['post_date'] );
133 if ( !$valid_date ) {
134 return new WP_Error( 'invalid_date', __( 'Whoops, the provided date is invalid.' ) );
136 $post_data['post_date_gmt'] = get_gmt_from_date( $post_data['post_date'] );
143 * Update an existing post with values provided in $_POST.
147 * @param array $post_data Optional.
148 * @return int Post ID.
150 function edit_post( $post_data = null ) {
152 if ( empty($post_data) )
153 $post_data = &$_POST;
155 // Clear out any data in internal vars.
156 unset( $post_data['filter'] );
158 $post_ID = (int) $post_data['post_ID'];
159 $post = get_post( $post_ID );
160 $post_data['post_type'] = $post->post_type;
161 $post_data['post_mime_type'] = $post->post_mime_type;
163 $ptype = get_post_type_object($post_data['post_type']);
164 if ( !current_user_can( $ptype->cap->edit_post, $post_ID ) ) {
165 if ( 'page' == $post_data['post_type'] )
166 wp_die( __('You are not allowed to edit this page.' ));
168 wp_die( __('You are not allowed to edit this post.' ));
171 $post_data = _wp_translate_postdata( true, $post_data );
172 if ( is_wp_error($post_data) )
173 wp_die( $post_data->get_error_message() );
174 if ( ( empty( $post_data['action'] ) || 'autosave' != $post_data['action'] ) && 'auto-draft' == $post_data['post_status'] ) {
175 $post_data['post_status'] = 'draft';
178 if ( isset($post_data['visibility']) ) {
179 switch ( $post_data['visibility'] ) {
181 $post_data['post_password'] = '';
184 unset( $post_data['sticky'] );
187 $post_data['post_status'] = 'private';
188 $post_data['post_password'] = '';
189 unset( $post_data['sticky'] );
195 if ( isset( $post_data['post_format'] ) ) {
196 if ( current_theme_supports( 'post-formats', $post_data['post_format'] ) )
197 set_post_format( $post_ID, $post_data['post_format'] );
198 elseif ( '0' == $post_data['post_format'] )
199 set_post_format( $post_ID, false );
203 if ( isset($post_data['meta']) && $post_data['meta'] ) {
204 foreach ( $post_data['meta'] as $key => $value ) {
205 if ( !$meta = get_post_meta_by_id( $key ) )
207 if ( $meta->post_id != $post_ID )
209 if ( is_protected_meta( $value['key'], 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $value['key'] ) )
211 update_meta( $key, $value['key'], $value['value'] );
215 if ( isset($post_data['deletemeta']) && $post_data['deletemeta'] ) {
216 foreach ( $post_data['deletemeta'] as $key => $value ) {
217 if ( !$meta = get_post_meta_by_id( $key ) )
219 if ( $meta->post_id != $post_ID )
221 if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $post_ID, $meta->meta_key ) )
228 if ( 'attachment' == $post_data['post_type'] ) {
229 if ( isset( $post_data[ '_wp_attachment_image_alt' ] ) ) {
230 $image_alt = get_post_meta( $post_ID, '_wp_attachment_image_alt', true );
231 if ( $image_alt != stripslashes( $post_data['_wp_attachment_image_alt'] ) ) {
232 $image_alt = wp_strip_all_tags( stripslashes( $post_data['_wp_attachment_image_alt'] ), true );
233 // update_meta expects slashed
234 update_post_meta( $post_ID, '_wp_attachment_image_alt', addslashes( $image_alt ) );
238 $attachment_data = isset( $post_data['attachments'][ $post_ID ] ) ? $post_data['attachments'][ $post_ID ] : array();
239 $post_data = apply_filters( 'attachment_fields_to_save', $post_data, $attachment_data );
242 add_meta( $post_ID );
244 update_post_meta( $post_ID, '_edit_last', $GLOBALS['current_user']->ID );
246 wp_update_post( $post_data );
248 // Now that we have an ID we can fix any attachment anchor hrefs
249 _fix_attachment_links( $post_ID );
251 wp_set_post_lock( $post_ID );
253 if ( current_user_can( $ptype->cap->edit_others_posts ) ) {
254 if ( ! empty( $post_data['sticky'] ) )
255 stick_post( $post_ID );
257 unstick_post( $post_ID );
264 * Process the post data for the bulk editing of posts.
266 * Updates all bulk edited posts/pages, adding (but not removing) tags and
267 * categories. Skips pages when they would be their own parent or child.
271 * @param array $post_data Optional, the array of post data to process if not provided will use $_POST superglobal.
274 function bulk_edit_posts( $post_data = null ) {
277 if ( empty($post_data) )
278 $post_data = &$_POST;
280 if ( isset($post_data['post_type']) )
281 $ptype = get_post_type_object($post_data['post_type']);
283 $ptype = get_post_type_object('post');
285 if ( !current_user_can( $ptype->cap->edit_posts ) ) {
286 if ( 'page' == $ptype->name )
287 wp_die( __('You are not allowed to edit pages.'));
289 wp_die( __('You are not allowed to edit posts.'));
292 if ( -1 == $post_data['_status'] ) {
293 $post_data['post_status'] = null;
294 unset($post_data['post_status']);
296 $post_data['post_status'] = $post_data['_status'];
298 unset($post_data['_status']);
300 $post_IDs = array_map( 'intval', (array) $post_data['post'] );
302 $reset = array( 'post_author', 'post_status', 'post_password', 'post_parent', 'page_template', 'comment_status', 'ping_status', 'keep_private', 'tax_input', 'post_category', 'sticky' );
303 foreach ( $reset as $field ) {
304 if ( isset($post_data[$field]) && ( '' == $post_data[$field] || -1 == $post_data[$field] ) )
305 unset($post_data[$field]);
308 if ( isset($post_data['post_category']) ) {
309 if ( is_array($post_data['post_category']) && ! empty($post_data['post_category']) )
310 $new_cats = array_map( 'absint', $post_data['post_category'] );
312 unset($post_data['post_category']);
315 $tax_input = array();
316 if ( isset($post_data['tax_input'])) {
317 foreach ( $post_data['tax_input'] as $tax_name => $terms ) {
320 if ( is_taxonomy_hierarchical( $tax_name ) ) {
321 $tax_input[ $tax_name ] = array_map( 'absint', $terms );
323 $comma = _x( ',', 'tag delimiter' );
324 if ( ',' !== $comma )
325 $terms = str_replace( $comma, ',', $terms );
326 $tax_input[ $tax_name ] = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) );
331 if ( isset($post_data['post_parent']) && ($parent = (int) $post_data['post_parent']) ) {
332 $pages = $wpdb->get_results("SELECT ID, post_parent FROM $wpdb->posts WHERE post_type = 'page'");
335 for ( $i = 0; $i < 50 && $parent > 0; $i++ ) {
336 $children[] = $parent;
338 foreach ( $pages as $page ) {
339 if ( $page->ID == $parent ) {
340 $parent = $page->post_parent;
347 if ( isset( $post_data['post_format'] ) ) {
348 if ( '0' == $post_data['post_format'] )
349 $post_data['post_format'] = false;
350 // don't change the post format if it's not supported or not '0' (standard)
351 elseif ( ! current_theme_supports( 'post-formats', $post_data['post_format'] ) )
352 unset( $post_data['post_format'] );
355 $updated = $skipped = $locked = array();
356 foreach ( $post_IDs as $post_ID ) {
357 $post_type_object = get_post_type_object( get_post_type( $post_ID ) );
359 if ( !isset( $post_type_object ) || ( isset($children) && in_array($post_ID, $children) ) || !current_user_can( $post_type_object->cap->edit_post, $post_ID ) ) {
360 $skipped[] = $post_ID;
364 if ( wp_check_post_lock( $post_ID ) ) {
365 $locked[] = $post_ID;
369 $post = get_post( $post_ID );
370 $tax_names = get_object_taxonomies( $post );
371 foreach ( $tax_names as $tax_name ) {
372 $taxonomy_obj = get_taxonomy($tax_name);
373 if ( isset( $tax_input[$tax_name]) && current_user_can( $taxonomy_obj->cap->assign_terms ) )
374 $new_terms = $tax_input[$tax_name];
376 $new_terms = array();
378 if ( $taxonomy_obj->hierarchical )
379 $current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array('fields' => 'ids') );
381 $current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array('fields' => 'names') );
383 $post_data['tax_input'][$tax_name] = array_merge( $current_terms, $new_terms );
386 if ( isset($new_cats) && in_array( 'category', $tax_names ) ) {
387 $cats = (array) wp_get_post_categories($post_ID);
388 $post_data['post_category'] = array_unique( array_merge($cats, $new_cats) );
389 unset( $post_data['tax_input']['category'] );
392 $post_data['post_mime_type'] = $post->post_mime_type;
393 $post_data['guid'] = $post->guid;
395 $post_data['ID'] = $post_ID;
396 $updated[] = wp_update_post( $post_data );
398 if ( isset( $post_data['sticky'] ) && current_user_can( $ptype->cap->edit_others_posts ) ) {
399 if ( 'sticky' == $post_data['sticky'] )
400 stick_post( $post_ID );
402 unstick_post( $post_ID );
405 if ( isset( $post_data['post_format'] ) )
406 set_post_format( $post_ID, $post_data['post_format'] );
409 return array( 'updated' => $updated, 'skipped' => $skipped, 'locked' => $locked );
413 * Default post information to use when populating the "Write Post" form.
417 * @param string $post_type A post type string, defaults to 'post'.
418 * @return WP_Post Post object containing all the default post data as attributes
420 function get_default_post_to_edit( $post_type = 'post', $create_in_db = false ) {
424 if ( !empty( $_REQUEST['post_title'] ) )
425 $post_title = esc_html( stripslashes( $_REQUEST['post_title'] ));
428 if ( !empty( $_REQUEST['content'] ) )
429 $post_content = esc_html( stripslashes( $_REQUEST['content'] ));
432 if ( !empty( $_REQUEST['excerpt'] ) )
433 $post_excerpt = esc_html( stripslashes( $_REQUEST['excerpt'] ));
435 if ( $create_in_db ) {
436 $post_id = wp_insert_post( array( 'post_title' => __( 'Auto Draft' ), 'post_type' => $post_type, 'post_status' => 'auto-draft' ) );
437 $post = get_post( $post_id );
438 if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) && get_option( 'default_post_format' ) )
439 set_post_format( $post, get_option( 'default_post_format' ) );
441 $post = new stdClass;
443 $post->post_author = '';
444 $post->post_date = '';
445 $post->post_date_gmt = '';
446 $post->post_password = '';
447 $post->post_type = $post_type;
448 $post->post_status = 'draft';
451 $post->comment_status = get_option( 'default_comment_status' );
452 $post->ping_status = get_option( 'default_ping_status' );
453 $post->post_pingback = get_option( 'default_pingback_flag' );
454 $post->post_category = get_option( 'default_category' );
455 $post->page_template = 'default';
456 $post->post_parent = 0;
457 $post->menu_order = 0;
458 $post = new WP_Post( $post );
461 $post->post_content = apply_filters( 'default_content', $post_content, $post );
462 $post->post_title = apply_filters( 'default_title', $post_title, $post );
463 $post->post_excerpt = apply_filters( 'default_excerpt', $post_excerpt, $post );
464 $post->post_name = '';
470 * Determine if a post exists based on title, content, and date
474 * @param string $title Post title
475 * @param string $content Optional post content
476 * @param string $date Optional post date
477 * @return int Post ID if post exists, 0 otherwise.
479 function post_exists($title, $content = '', $date = '') {
482 $post_title = stripslashes( sanitize_post_field( 'post_title', $title, 0, 'db' ) );
483 $post_content = stripslashes( sanitize_post_field( 'post_content', $content, 0, 'db' ) );
484 $post_date = stripslashes( sanitize_post_field( 'post_date', $date, 0, 'db' ) );
486 $query = "SELECT ID FROM $wpdb->posts WHERE 1=1";
489 if ( !empty ( $date ) ) {
490 $query .= ' AND post_date = %s';
491 $args[] = $post_date;
494 if ( !empty ( $title ) ) {
495 $query .= ' AND post_title = %s';
496 $args[] = $post_title;
499 if ( !empty ( $content ) ) {
500 $query .= 'AND post_content = %s';
501 $args[] = $post_content;
504 if ( !empty ( $args ) )
505 return (int) $wpdb->get_var( $wpdb->prepare($query, $args) );
511 * Creates a new post from the "Write Post" form using $_POST information.
517 function wp_write_post() {
520 if ( isset($_POST['post_type']) )
521 $ptype = get_post_type_object($_POST['post_type']);
523 $ptype = get_post_type_object('post');
525 if ( !current_user_can( $ptype->cap->edit_posts ) ) {
526 if ( 'page' == $ptype->name )
527 return new WP_Error( 'edit_pages', __( 'You are not allowed to create pages on this site.' ) );
529 return new WP_Error( 'edit_posts', __( 'You are not allowed to create posts or drafts on this site.' ) );
532 $_POST['post_mime_type'] = '';
534 // Clear out any data in internal vars.
535 unset( $_POST['filter'] );
537 // Edit don't write if we have a post id.
538 if ( isset( $_POST['post_ID'] ) )
541 $translated = _wp_translate_postdata( false );
542 if ( is_wp_error($translated) )
545 if ( isset($_POST['visibility']) ) {
546 switch ( $_POST['visibility'] ) {
548 $_POST['post_password'] = '';
551 unset( $_POST['sticky'] );
554 $_POST['post_status'] = 'private';
555 $_POST['post_password'] = '';
556 unset( $_POST['sticky'] );
562 $post_ID = wp_insert_post( $_POST );
563 if ( is_wp_error( $post_ID ) )
566 if ( empty($post_ID) )
569 add_meta( $post_ID );
571 add_post_meta( $post_ID, '_edit_last', $GLOBALS['current_user']->ID );
573 // Now that we have an ID we can fix any attachment anchor hrefs
574 _fix_attachment_links( $post_ID );
576 wp_set_post_lock( $post_ID );
582 * Calls wp_write_post() and handles the errors.
586 * @uses wp_write_post()
587 * @uses is_wp_error()
591 function write_post() {
592 $result = wp_write_post();
593 if ( is_wp_error( $result ) )
594 wp_die( $result->get_error_message() );
604 * {@internal Missing Short Description}}
608 * @param unknown_type $post_ID
611 function add_meta( $post_ID ) {
613 $post_ID = (int) $post_ID;
615 $metakeyselect = isset($_POST['metakeyselect']) ? stripslashes( trim( $_POST['metakeyselect'] ) ) : '';
616 $metakeyinput = isset($_POST['metakeyinput']) ? stripslashes( trim( $_POST['metakeyinput'] ) ) : '';
617 $metavalue = isset($_POST['metavalue']) ? $_POST['metavalue'] : '';
618 if ( is_string( $metavalue ) )
619 $metavalue = trim( $metavalue );
621 if ( ('0' === $metavalue || ! empty ( $metavalue ) ) && ( ( ( '#NONE#' != $metakeyselect ) && !empty ( $metakeyselect) ) || !empty ( $metakeyinput ) ) ) {
622 // We have a key/value pair. If both the select and the
623 // input for the key have data, the input takes precedence:
625 if ( '#NONE#' != $metakeyselect )
626 $metakey = $metakeyselect;
629 $metakey = $metakeyinput; // default
631 if ( is_protected_meta( $metakey, 'post' ) || ! current_user_can( 'add_post_meta', $post_ID, $metakey ) )
634 $metakey = esc_sql( $metakey );
636 return add_post_meta( $post_ID, $metakey, $metavalue );
643 * {@internal Missing Short Description}}
647 * @param unknown_type $mid
650 function delete_meta( $mid ) {
651 return delete_metadata_by_mid( 'post' , $mid );
655 * Get a list of previously defined keys.
661 function get_meta_keys() {
664 $keys = $wpdb->get_col( "
668 ORDER BY meta_key" );
674 * {@internal Missing Short Description}}
678 * @param unknown_type $mid
681 function get_post_meta_by_id( $mid ) {
682 return get_metadata_by_mid( 'post', $mid );
686 * {@internal Missing Short Description}}
688 * Some postmeta stuff.
692 * @param unknown_type $postid
695 function has_meta( $postid ) {
698 return $wpdb->get_results( $wpdb->prepare("SELECT meta_key, meta_value, meta_id, post_id
699 FROM $wpdb->postmeta WHERE post_id = %d
700 ORDER BY meta_key,meta_id", $postid), ARRAY_A );
704 * {@internal Missing Short Description}}
708 * @param unknown_type $meta_id
709 * @param unknown_type $meta_key Expect Slashed
710 * @param unknown_type $meta_value Expect Slashed
713 function update_meta( $meta_id, $meta_key, $meta_value ) {
714 $meta_key = stripslashes( $meta_key );
715 $meta_value = stripslashes_deep( $meta_value );
717 return update_metadata_by_mid( 'post', $meta_id, $meta_value, $meta_key );
725 * Replace hrefs of attachment anchors with up-to-date permalinks.
730 * @param unknown_type $post_ID
733 function _fix_attachment_links( $post_ID ) {
734 $post = get_post( $post_ID, ARRAY_A );
735 $content = $post['post_content'];
737 // quick sanity check, don't run if no pretty permalinks or post is not published
738 if ( !get_option('permalink_structure') || $post['post_status'] != 'publish' )
741 // Short if there aren't any links or no '?attachment_id=' strings (strpos cannot be zero)
742 if ( !strpos($content, '?attachment_id=') || !preg_match_all( '/<a ([^>]+)>[\s\S]+?<\/a>/', $content, $link_matches ) )
745 $site_url = get_bloginfo('url');
746 $site_url = substr( $site_url, (int) strpos($site_url, '://') ); // remove the http(s)
749 foreach ( $link_matches[1] as $key => $value ) {
750 if ( !strpos($value, '?attachment_id=') || !strpos($value, 'wp-att-')
751 || !preg_match( '/href=(["\'])[^"\']*\?attachment_id=(\d+)[^"\']*\\1/', $value, $url_match )
752 || !preg_match( '/rel=["\'][^"\']*wp-att-(\d+)/', $value, $rel_match ) )
755 $quote = $url_match[1]; // the quote (single or double)
756 $url_id = (int) $url_match[2];
757 $rel_id = (int) $rel_match[1];
759 if ( !$url_id || !$rel_id || $url_id != $rel_id || strpos($url_match[0], $site_url) === false )
762 $link = $link_matches[0][$key];
763 $replace = str_replace( $url_match[0], 'href=' . $quote . get_attachment_link( $url_id ) . $quote, $link );
765 $content = str_replace( $link, $replace, $content );
769 $post['post_content'] = $content;
770 // Escape data pulled from DB.
771 $post = add_magic_quotes($post);
773 return wp_update_post($post);
778 * Move child posts to a new parent.
783 * @param unknown_type $old_ID
784 * @param unknown_type $new_ID
787 function _relocate_children( $old_ID, $new_ID ) {
789 $old_ID = (int) $old_ID;
790 $new_ID = (int) $new_ID;
792 $children = $wpdb->get_col( $wpdb->prepare("
795 WHERE meta_key = '_wp_attachment_temp_parent'
796 AND meta_value = %d", $old_ID) );
798 foreach ( $children as $child_id ) {
799 $wpdb->update($wpdb->posts, array('post_parent' => $new_ID), array('ID' => $child_id) );
800 delete_post_meta($child_id, '_wp_attachment_temp_parent');
805 * Get all the possible statuses for a post_type
809 * @param string $type The post_type you want the statuses for
810 * @return array As array of all the statuses for the supplied post type
812 function get_available_post_statuses($type = 'post') {
813 $stati = wp_count_posts($type);
815 return array_keys(get_object_vars($stati));
819 * Run the wp query to fetch the posts for listing on the edit posts page
823 * @param array|bool $q Array of query variables to use to build the query or false to use $_GET superglobal.
826 function wp_edit_posts_query( $q = false ) {
829 $q['m'] = isset($q['m']) ? (int) $q['m'] : 0;
830 $q['cat'] = isset($q['cat']) ? (int) $q['cat'] : 0;
831 $post_stati = get_post_stati();
833 if ( isset($q['post_type']) && in_array( $q['post_type'], get_post_types() ) )
834 $post_type = $q['post_type'];
838 $avail_post_stati = get_available_post_statuses($post_type);
840 if ( isset($q['post_status']) && in_array( $q['post_status'], $post_stati ) ) {
841 $post_status = $q['post_status'];
845 if ( isset($q['orderby']) )
846 $orderby = $q['orderby'];
847 elseif ( isset($q['post_status']) && in_array($q['post_status'], array('pending', 'draft')) )
848 $orderby = 'modified';
850 if ( isset($q['order']) )
851 $order = $q['order'];
852 elseif ( isset($q['post_status']) && 'pending' == $q['post_status'] )
855 $per_page = 'edit_' . $post_type . '_per_page';
856 $posts_per_page = (int) get_user_option( $per_page );
857 if ( empty( $posts_per_page ) || $posts_per_page < 1 )
858 $posts_per_page = 20;
860 $posts_per_page = apply_filters( $per_page, $posts_per_page );
861 $posts_per_page = apply_filters( 'edit_posts_per_page', $posts_per_page, $post_type );
863 $query = compact('post_type', 'post_status', 'perm', 'order', 'orderby', 'posts_per_page');
865 // Hierarchical types require special args.
866 if ( is_post_type_hierarchical( $post_type ) && !isset($orderby) ) {
867 $query['orderby'] = 'menu_order title';
868 $query['order'] = 'asc';
869 $query['posts_per_page'] = -1;
870 $query['posts_per_archive_page'] = -1;
873 if ( ! empty( $q['show_sticky'] ) )
874 $query['post__in'] = (array) get_option( 'sticky_posts' );
878 return $avail_post_stati;
882 * {@internal Missing Short Description}}
886 * @param unknown_type $type
889 function get_available_post_mime_types($type = 'attachment') {
892 $types = $wpdb->get_col($wpdb->prepare("SELECT DISTINCT post_mime_type FROM $wpdb->posts WHERE post_type = %s", $type));
897 * Executes a query for attachments. An array of WP_Query arguments
898 * can be passed in, which will override the arguments set by this function.
901 * @uses apply_filters() Calls 'upload_per_page' on posts_per_page argument
903 * @param array|bool $q Array of query variables to use to build the query or false to use $_GET superglobal.
906 function wp_edit_attachments_query( $q = false ) {
910 $q['m'] = isset( $q['m'] ) ? (int) $q['m'] : 0;
911 $q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0;
912 $q['post_type'] = 'attachment';
913 $post_type = get_post_type_object( 'attachment' );
915 if ( current_user_can( $post_type->cap->read_private_posts ) )
916 $states .= ',private';
918 $q['post_status'] = isset( $q['status'] ) && 'trash' == $q['status'] ? 'trash' : $states;
919 $media_per_page = (int) get_user_option( 'upload_per_page' );
920 if ( empty( $media_per_page ) || $media_per_page < 1 )
921 $media_per_page = 20;
922 $q['posts_per_page'] = apply_filters( 'upload_per_page', $media_per_page );
924 $post_mime_types = get_post_mime_types();
925 $avail_post_mime_types = get_available_post_mime_types('attachment');
927 if ( isset($q['post_mime_type']) && !array_intersect( (array) $q['post_mime_type'], array_keys($post_mime_types) ) )
928 unset($q['post_mime_type']);
930 if ( isset($q['detached']) )
931 add_filter('posts_where', '_edit_attachments_query_helper');
935 if ( isset($q['detached']) )
936 remove_filter('posts_where', '_edit_attachments_query_helper');
938 return array($post_mime_types, $avail_post_mime_types);
941 function _edit_attachments_query_helper($where) {
943 return $where .= " AND {$wpdb->posts}.post_parent < 1";
947 * Returns the list of classes to be used by a metabox
949 * @uses get_user_option()
952 * @param unknown_type $id
953 * @param unknown_type $page
956 function postbox_classes( $id, $page ) {
957 if ( isset( $_GET['edit'] ) && $_GET['edit'] == $id ) {
958 $classes = array( '' );
959 } elseif ( $closed = get_user_option('closedpostboxes_'.$page ) ) {
960 if ( !is_array( $closed ) ) {
961 $classes = array( '' );
963 $classes = in_array( $id, $closed ) ? array( 'closed' ) : array( '' );
966 $classes = array( '' );
969 $classes = apply_filters( "postbox_classes_{$page}_{$id}", $classes );
970 return implode( ' ', $classes );
974 * {@internal Missing Short Description}}
978 * @param int|object $id Post ID or post object.
979 * @param string $title (optional) Title
980 * @param string $name (optional) Name
981 * @return array With two entries of type string
983 function get_sample_permalink($id, $title = null, $name = null) {
984 $post = get_post($id);
986 return array('', '');
988 $ptype = get_post_type_object($post->post_type);
990 $original_status = $post->post_status;
991 $original_date = $post->post_date;
992 $original_name = $post->post_name;
994 // Hack: get_permalink would return ugly permalink for
995 // drafts, so we will fake, that our post is published
996 if ( in_array($post->post_status, array('draft', 'pending')) ) {
997 $post->post_status = 'publish';
998 $post->post_name = sanitize_title($post->post_name ? $post->post_name : $post->post_title, $post->ID);
1001 // If the user wants to set a new name -- override the current one
1002 // Note: if empty name is supplied -- use the title instead, see #6072
1003 if ( !is_null($name) )
1004 $post->post_name = sanitize_title($name ? $name : $title, $post->ID);
1006 $post->post_name = wp_unique_post_slug($post->post_name, $post->ID, $post->post_status, $post->post_type, $post->post_parent);
1008 $post->filter = 'sample';
1010 $permalink = get_permalink($post, true);
1012 // Replace custom post_type Token with generic pagename token for ease of use.
1013 $permalink = str_replace("%$post->post_type%", '%pagename%', $permalink);
1015 // Handle page hierarchy
1016 if ( $ptype->hierarchical ) {
1017 $uri = get_page_uri($post);
1018 $uri = untrailingslashit($uri);
1019 $uri = strrev( stristr( strrev( $uri ), '/' ) );
1020 $uri = untrailingslashit($uri);
1021 $uri = apply_filters( 'editable_slug', $uri );
1024 $permalink = str_replace('%pagename%', "{$uri}%pagename%", $permalink);
1027 $permalink = array($permalink, apply_filters('editable_slug', $post->post_name));
1028 $post->post_status = $original_status;
1029 $post->post_date = $original_date;
1030 $post->post_name = $original_name;
1031 unset($post->filter);
1037 * Returns the HTML of the sample permalink slug editor.
1041 * @param int|object $id Post ID or post object.
1042 * @param string $new_title Optional. New title.
1043 * @param string $new_slug Optional. New slug.
1044 * @return string The HTML of the sample permalink slug editor.
1046 function get_sample_permalink_html( $id, $new_title = null, $new_slug = null ) {
1048 $post = get_post($id);
1050 list($permalink, $post_name) = get_sample_permalink($post->ID, $new_title, $new_slug);
1052 if ( 'publish' == get_post_status( $post ) ) {
1053 $ptype = get_post_type_object($post->post_type);
1054 $view_post = $ptype->labels->view_item;
1055 $title = __('Click to edit this part of the permalink');
1057 $title = __('Temporary permalink. Click to edit this part.');
1060 if ( false === strpos($permalink, '%postname%') && false === strpos($permalink, '%pagename%') ) {
1061 $return = '<strong>' . __('Permalink:') . "</strong>\n" . '<span id="sample-permalink" tabindex="-1">' . $permalink . "</span>\n";
1062 if ( '' == get_option( 'permalink_structure' ) && current_user_can( 'manage_options' ) && !( 'page' == get_option('show_on_front') && $id == get_option('page_on_front') ) )
1063 $return .= '<span id="change-permalinks"><a href="options-permalink.php" class="button button-small" target="_blank">' . __('Change Permalinks') . "</a></span>\n";
1064 if ( isset( $view_post ) )
1065 $return .= "<span id='view-post-btn'><a href='$permalink' class='button button-small'>$view_post</a></span>\n";
1067 $return = apply_filters('get_sample_permalink_html', $return, $id, $new_title, $new_slug);
1072 if ( function_exists('mb_strlen') ) {
1073 if ( mb_strlen($post_name) > 30 ) {
1074 $post_name_abridged = mb_substr($post_name, 0, 14). '…' . mb_substr($post_name, -14);
1076 $post_name_abridged = $post_name;
1079 if ( strlen($post_name) > 30 ) {
1080 $post_name_abridged = substr($post_name, 0, 14). '…' . substr($post_name, -14);
1082 $post_name_abridged = $post_name;
1086 $post_name_html = '<span id="editable-post-name" title="' . $title . '">' . $post_name_abridged . '</span>';
1087 $display_link = str_replace(array('%pagename%','%postname%'), $post_name_html, $permalink);
1088 $view_link = str_replace(array('%pagename%','%postname%'), $post_name, $permalink);
1089 $return = '<strong>' . __('Permalink:') . "</strong>\n";
1090 $return .= '<span id="sample-permalink" tabindex="-1">' . $display_link . "</span>\n";
1091 $return .= '‎'; // Fix bi-directional text display defect in RTL languages.
1092 $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";
1093 $return .= '<span id="editable-post-name-full">' . $post_name . "</span>\n";
1094 if ( isset($view_post) )
1095 $return .= "<span id='view-post-btn'><a href='$view_link' class='button button-small'>$view_post</a></span>\n";
1097 $return = apply_filters('get_sample_permalink_html', $return, $id, $new_title, $new_slug);
1103 * Output HTML for the post thumbnail meta-box.
1107 * @param int $thumbnail_id ID of the attachment used for thumbnail
1108 * @param mixed $post The post ID or object associated with the thumbnail, defaults to global $post.
1109 * @return string html
1111 function _wp_post_thumbnail_html( $thumbnail_id = null, $post = null ) {
1112 global $content_width, $_wp_additional_image_sizes;
1114 $post = get_post( $post );
1116 $upload_iframe_src = esc_url( get_upload_iframe_src('image', $post->ID ) );
1117 $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>';
1118 $content = sprintf( $set_thumbnail_link, $upload_iframe_src, esc_html__( 'Set featured image' ) );
1120 if ( $thumbnail_id && get_post( $thumbnail_id ) ) {
1121 $old_content_width = $content_width;
1122 $content_width = 266;
1123 if ( !isset( $_wp_additional_image_sizes['post-thumbnail'] ) )
1124 $thumbnail_html = wp_get_attachment_image( $thumbnail_id, array( $content_width, $content_width ) );
1126 $thumbnail_html = wp_get_attachment_image( $thumbnail_id, 'post-thumbnail' );
1127 if ( !empty( $thumbnail_html ) ) {
1128 $ajax_nonce = wp_create_nonce( 'set_post_thumbnail-' . $post->ID );
1129 $content = sprintf( $set_thumbnail_link, $upload_iframe_src, $thumbnail_html );
1130 $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>';
1132 $content_width = $old_content_width;
1135 return apply_filters( 'admin_post_thumbnail_html', $content, $post->ID );
1139 * Check to see if the post is currently being edited by another user.
1143 * @param int $post_id ID of the post to check for editing
1144 * @return bool|int False: not locked or locked by current user. Int: user ID of user with lock.
1146 function wp_check_post_lock( $post_id ) {
1147 if ( !$post = get_post( $post_id ) )
1150 if ( !$lock = get_post_meta( $post->ID, '_edit_lock', true ) )
1153 $lock = explode( ':', $lock );
1155 $user = isset( $lock[1] ) ? $lock[1] : get_post_meta( $post->ID, '_edit_last', true );
1157 $time_window = apply_filters( 'wp_check_post_lock_window', AUTOSAVE_INTERVAL * 2 );
1159 if ( $time && $time > time() - $time_window && $user != get_current_user_id() )
1165 * Mark the post as currently being edited by the current user
1169 * @param int $post_id ID of the post to being edited
1170 * @return bool|array Returns false if the post doesn't exist of there is no current user, or
1171 * an array of the lock time and the user ID.
1173 function wp_set_post_lock( $post_id ) {
1174 if ( !$post = get_post( $post_id ) )
1176 if ( 0 == ($user_id = get_current_user_id()) )
1180 $lock = "$now:$user_id";
1182 update_post_meta( $post->ID, '_edit_lock', $lock );
1183 return array( $now, $user_id );
1187 * Outputs the notice message to say that someone else is editing this post at the moment.
1192 function _admin_notice_post_locked() {
1194 $lock = explode( ':', get_post_meta( $post->ID, '_edit_lock', true ) );
1195 $user = isset( $lock[1] ) ? $lock[1] : get_post_meta( $post->ID, '_edit_last', true );
1196 $last_user = get_userdata( $user );
1197 $last_user_name = $last_user ? $last_user->display_name : __('Somebody');
1199 switch ($post->post_type) {
1201 $message = __( 'Warning: %s is currently editing this post' );
1204 $message = __( 'Warning: %s is currently editing this page' );
1207 $message = __( 'Warning: %s is currently editing this.' );
1210 $message = sprintf( $message, esc_html( $last_user_name ) );
1211 echo "<div class='error'><p>$message</p></div>";
1215 * Creates autosave data for the specified post from $_POST data.
1217 * @package WordPress
1218 * @subpackage Post_Revisions
1221 * @uses _wp_translate_postdata()
1222 * @uses _wp_post_revision_fields()
1226 function wp_create_post_autosave( $post_id ) {
1227 $translated = _wp_translate_postdata( true );
1228 if ( is_wp_error( $translated ) )
1231 // Only store one autosave. If there is already an autosave, overwrite it.
1232 if ( $old_autosave = wp_get_post_autosave( $post_id ) ) {
1233 $new_autosave = _wp_post_revision_fields( $_POST, true );
1234 $new_autosave['ID'] = $old_autosave->ID;
1235 $new_autosave['post_author'] = get_current_user_id();
1236 return wp_update_post( $new_autosave );
1239 // _wp_put_post_revision() expects unescaped.
1240 $_POST = stripslashes_deep($_POST);
1242 // Otherwise create the new autosave as a special post revision
1243 return _wp_put_post_revision( $_POST, true );
1247 * Save draft or manually autosave for showing preview.
1249 * @package WordPress
1252 * @uses get_post_status()
1255 * @uses current_user_can()
1257 * @uses wp_create_post_autosave()
1258 * @uses add_query_arg()
1259 * @uses wp_create_nonce()
1261 * @return str URL to redirect to show the preview
1263 function post_preview() {
1265 $post_ID = (int) $_POST['post_ID'];
1266 $status = get_post_status( $post_ID );
1267 if ( 'auto-draft' == $status )
1268 wp_die( __('Preview not available. Please save as a draft first.') );
1270 if ( isset($_POST['catslist']) )
1271 $_POST['post_category'] = explode(",", $_POST['catslist']);
1273 if ( isset($_POST['tags_input']) )
1274 $_POST['tags_input'] = explode(",", $_POST['tags_input']);
1276 if ( $_POST['post_type'] == 'page' || empty($_POST['post_category']) )
1277 unset($_POST['post_category']);
1279 $_POST['ID'] = $post_ID;
1280 $post = get_post($post_ID);
1282 if ( 'page' == $post->post_type ) {
1283 if ( !current_user_can('edit_page', $post_ID) )
1284 wp_die(__('You are not allowed to edit this page.'));
1286 if ( !current_user_can('edit_post', $post_ID) )
1287 wp_die(__('You are not allowed to edit this post.'));
1290 if ( 'draft' == $post->post_status ) {
1292 } else { // Non drafts are not overwritten. The autosave is stored in a special post revision.
1293 $id = wp_create_post_autosave( $post->ID );
1294 if ( ! is_wp_error($id) )
1298 if ( is_wp_error($id) )
1299 wp_die( $id->get_error_message() );
1301 if ( $_POST['post_status'] == 'draft' ) {
1302 $url = add_query_arg( 'preview', 'true', get_permalink($id) );
1304 $nonce = wp_create_nonce('post_preview_' . $id);
1305 $url = add_query_arg( array( 'preview' => 'true', 'preview_id' => $id, 'preview_nonce' => $nonce ), get_permalink($id) );