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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.
| Line | Code |
|---|---|
| 1977 | if ( !$post = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->posts WHERE ID = %d", $postid)) ) |
| 1978 | return $post; |
| 1979 | |
| 1980 | if ( !$force_delete && ( $post->post_type == 'post' || $post->post_type == 'page') && get_post_status( $postid ) != 'trash' && EMPTY_TRASH_DAYS ) |
| 1981 | return wp_trash_post($postid); |
| 1982 | |
| 1983 | if ( $post->post_type == 'attachment' ) |
| 1984 | return wp_delete_attachment( $postid, $force_delete ); |
| 1985 | |
| 1986 | do_action('before_delete_post', $postid); |
| 1987 | |
| 1988 | delete_post_meta($postid,'_wp_trash_meta_status'); |
| 1989 | delete_post_meta($postid,'_wp_trash_meta_time'); |
| 1990 | |
| 1991 | wp_delete_object_term_relationships($postid, get_object_taxonomies($post->post_type)); |
| 1992 | |
| 1993 | $parent_data = array( 'post_parent' => $post->post_parent ); |
| 1994 | $parent_where = array( 'post_parent' => $postid ); |
| 1995 | |