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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 |
|---|---|
| 2584 | if ( !$post = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE ID = %d", $postid)) ) |
| 2585 | return $post; |
| 2586 | |
| 2587 | if ( 'attachment' != $post->post_type ) |
| 2588 | return false; |
| 2589 | |
| 2590 | $meta = wp_get_attachment_metadata( $postid ); |
| 2591 | $file = get_attached_file( $postid ); |
| 2592 | |
| 2593 | do_action('delete_attachment', $postid); |
| 2594 | |
| 2595 | /** @todo Delete for pluggable post taxonomies too */ |
| 2596 | wp_delete_object_term_relationships($postid, array('category', 'post_tag')); |
| 2597 | |
| 2598 | $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->comments WHERE comment_post_ID = %d", $postid )); |
| 2599 | |
| 2600 | $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->postmeta WHERE post_id = %d ", $postid )); |
| 2601 | |
| 2602 | $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->posts WHERE ID = %d", $postid )); |