extra_theme_headers │ filter-hook │ WP 1.0

Usage

add_filter( 'extra_theme_headers', 'wp_kama_extra_theme_headers_filter' );

/**
 * Function for `extra_theme_headers` filter-hook.
 * 
 * @param  $array 
 *
 * @return 
 */
function wp_kama_extra_theme_headers_filter( $array ){

	// filter...
	return $array;
}

$array

-

Where the hook is called

foreach ( apply_filters( 'extra_theme_headers', array() ) as $extra_header ) {

Where the hook is used in WordPress