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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 |
---|---|
3364 |
|
3365 | foreach ( $custom_fields as $key => $val ) { |
3366 | if ( 'enclosure' != $key || !is_array( $val ) ) |
3367 | continue; |
3368 | foreach( $val as $enc ) { |
3369 | $enclosure = explode( "\n", $enc ); |
3370 | $pung[] = trim( $enclosure[ 0 ] ); |
3371 | } |
3372 | } |
3373 | $pung = apply_filters('get_enclosed', $pung, $post_id); |
3374 | return $pung; |
3375 | } |
3376 |
|
3377 | /** |
3378 | * Retrieve URLs already pinged for a post. |
3379 | * |
3380 | * @since 1.5.0 |
3381 | * @uses $wpdb |
3382 | * |