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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 |
|---|---|
| 1703 | * |
| 1704 | * @param int $post_id post ID |
| 1705 | * @return array {@internal Missing Description}} |
| 1706 | */ |
| 1707 | function get_pung($post_id) { |
| 1708 | global $wpdb; |
| 1709 | $pung = $wpdb->get_var( $wpdb->prepare( "SELECT pinged FROM $wpdb->posts WHERE ID = %d", $post_id )); |
| 1710 | $pung = trim($pung); |
| 1711 | $pung = preg_split('/\s/', $pung); |
| 1712 | $pung = apply_filters('get_pung', $pung); |
| 1713 | return $pung; |
| 1714 | } |
| 1715 | |
| 1716 | /** |
| 1717 | * get_to_ping() - Get any URLs in the todo list |
| 1718 | * |
| 1719 | * {@internal Missing Long Description}} |
| 1720 | * |
| 1721 | * @package WordPress |