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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 |
|---|---|
| 1556 | |
| 1557 | foreach ( $custom_fields as $key => $val ) { |
| 1558 | if ( 'enclosure' != $key || !is_array( $val ) ) |
| 1559 | continue; |
| 1560 | foreach( $val as $enc ) { |
| 1561 | $enclosure = split( "\n", $enc ); |
| 1562 | $pung[] = trim( $enclosure[ 0 ] ); |
| 1563 | } |
| 1564 | } |
| 1565 | $pung = apply_filters('get_enclosed', $pung); |
| 1566 | return $pung; |
| 1567 | } |
| 1568 | |
| 1569 | /** |
| 1570 | * get_pung() - Get URLs already pinged for a post |
| 1571 | * |
| 1572 | * {@internal Missing Long Description}} |
| 1573 | * |
| 1574 | * @package WordPress |