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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 |
---|---|
1949 |
|
1950 | foreach ( $custom_fields as $key => $val ) { |
1951 | if ( 'enclosure' != $key || !is_array( $val ) ) |
1952 | continue; |
1953 | foreach( $val as $enc ) { |
1954 | $enclosure = split( "\n", $enc ); |
1955 | $pung[] = trim( $enclosure[ 0 ] ); |
1956 | } |
1957 | } |
1958 | $pung = apply_filters('get_enclosed', $pung); |
1959 | return $pung; |
1960 | } |
1961 |
|
1962 | /** |
1963 | * Retrieve URLs already pinged for a post. |
1964 | * |
1965 | * @since 1.5.0 |
1966 | * @uses $wpdb |
1967 | * |