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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 |
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739 | } |
740 | endforeach; endif; |
741 | } |
742 |
|
743 | function get_pung($post_id) { // Get URIs already pung for a post |
744 | global $wpdb; |
745 | $pung = $wpdb->get_var("SELECT pinged FROM $wpdb->posts WHERE ID = $post_id"); |
746 | $pung = trim($pung); |
747 | $pung = preg_split('/\s/', $pung); |
748 | $pung = apply_filters('get_pung', $pung); |
749 | return $pung; |
750 | } |
751 |
|
752 | function get_enclosed($post_id) { // Get enclosures already enclosed for a post |
753 | global $wpdb; |
754 | $custom_fields = get_post_custom( $post_id ); |
755 | $pung = array(); |
756 | if ( !is_array( $custom_fields ) ) |
757 | return $pung; |