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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 |
|---|---|
| 720 | } |
| 721 | endforeach; endif; |
| 722 | } |
| 723 | |
| 724 | function get_pung($post_id) { // Get URIs already pung for a post |
| 725 | global $wpdb; |
| 726 | $pung = $wpdb->get_var("SELECT pinged FROM $wpdb->posts WHERE ID = $post_id"); |
| 727 | $pung = trim($pung); |
| 728 | $pung = preg_split('/\s/', $pung); |
| 729 | $pung = apply_filters('get_pung', $pung); |
| 730 | return $pung; |
| 731 | } |
| 732 | |
| 733 | function get_enclosed($post_id) { // Get enclosures already enclosed for a post |
| 734 | global $wpdb; |
| 735 | $custom_fields = get_post_custom( $post_id ); |
| 736 | $pung = array(); |
| 737 | if ( !is_array( $custom_fields ) ) |
| 738 | return $pung; |