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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 |
|---|---|
| 1681 | |
| 1682 | foreach ( $custom_fields as $key => $val ) { |
| 1683 | if ( 'enclosure' != $key || !is_array( $val ) ) |
| 1684 | continue; |
| 1685 | foreach( $val as $enc ) { |
| 1686 | $enclosure = split( "\n", $enc ); |
| 1687 | $pung[] = trim( $enclosure[ 0 ] ); |
| 1688 | } |
| 1689 | } |
| 1690 | $pung = apply_filters('get_enclosed', $pung); |
| 1691 | return $pung; |
| 1692 | } |
| 1693 | |
| 1694 | /** |
| 1695 | * get_pung() - Get URLs already pinged for a post |
| 1696 | * |
| 1697 | * {@internal Missing Long Description}} |
| 1698 | * |
| 1699 | * @package WordPress |