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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 2330 | foreach ( $comment_ids as $comment_id ) |
| 2331 | wp_delete_comment( $comment_id, true ); |
| 2332 | |
| 2333 | $post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $postid )); |
| 2334 | foreach ( $post_meta_ids as $mid ) |
| 2335 | delete_metadata_by_mid( 'post', $mid ); |
| 2336 | |
| 2337 | do_action( 'delete_post', $postid ); |
| 2338 | $wpdb->delete( $wpdb->posts, array( 'ID' => $postid ) ); |
| 2339 | do_action( 'deleted_post', $postid ); |
| 2340 | |
| 2341 | clean_post_cache( $post ); |
| 2342 | |
| 2343 | if ( is_post_type_hierarchical( $post->post_type ) && $children ) { |
| 2344 | foreach ( $children as $child ) |
| 2345 | clean_post_cache( $child ); |
| 2346 | } |
| 2347 | |
| 2348 | wp_clear_scheduled_hook('publish_future_post', array( $postid ) ); |
| Line | Code |
| 4176 | foreach ( $comment_ids as $comment_id ) |
| 4177 | wp_delete_comment( $comment_id, true ); |
| 4178 | |
| 4179 | $post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $post_id )); |
| 4180 | foreach ( $post_meta_ids as $mid ) |
| 4181 | delete_metadata_by_mid( 'post', $mid ); |
| 4182 | |
| 4183 | do_action( 'delete_post', $post_id ); |
| 4184 | $wpdb->delete( $wpdb->posts, array( 'ID' => $post_id ) ); |
| 4185 | do_action( 'deleted_post', $post_id ); |
| 4186 | |
| 4187 | $uploadpath = wp_upload_dir(); |
| 4188 | |
| 4189 | if ( ! empty($meta['thumb']) ) { |
| 4190 | // Don't delete the thumb if another attachment uses it |
| 4191 | if (! $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE %s AND post_id <> %d", '%' . $meta['thumb'] . '%', $post_id)) ) { |
| 4192 | $thumbfile = str_replace(basename($file), $meta['thumb'], $file); |
| 4193 | /** This filter is documented in wp-admin/custom-header.php */ |
| 4194 | $thumbfile = apply_filters('wp_delete_file', $thumbfile); |