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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 |
---|---|
2755 |
|
2756 | foreach ( $custom_fields as $key => $val ) { |
2757 | if ( 'enclosure' != $key || !is_array( $val ) ) |
2758 | continue; |
2759 | foreach( $val as $enc ) { |
2760 | $enclosure = split( "\n", $enc ); |
2761 | $pung[] = trim( $enclosure[ 0 ] ); |
2762 | } |
2763 | } |
2764 | $pung = apply_filters('get_enclosed', $pung); |
2765 | return $pung; |
2766 | } |
2767 |
|
2768 | /** |
2769 | * Retrieve URLs already pinged for a post. |
2770 | * |
2771 | * @since 1.5.0 |
2772 | * @uses $wpdb |
2773 | * |