Menu Adam R Brown

WP hooks navigation: Home/browseActions indexFilters index

Source View: delete_post

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
405      global $wpdb, $wp_rewrite;
406      $postid = (int) $postid;
407
408      if ( !$post = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID = $postid") )
409           return $post;
410
411      if ( 'attachment' == $post->post_type )
412           return wp_delete_attachment($postid);
413
414      do_action('delete_post', $postid);
415
416      if ( 'publish' == $post->post_status && 'post' == $post->post_type ) {
417           $categories = wp_get_post_categories($post->ID);
418           if( is_array( $categories ) ) {
419                foreach ( $categories as $cat_id ) {
420                     $wpdb->query("UPDATE $wpdb->categories SET category_count = category_count - 1 WHERE cat_ID = '$cat_id'");
421                     wp_cache_delete($cat_id, 'category');
422                     do_action('edit_category', $cat_id);
423                }