kses_allowed_protocols filter-hook . WP 3.0.0

Filters the list of protocols allowed in HTML attributes.

Usage

add_filter( 'kses_allowed_protocols', 'filter_function_name_346' );
function filter_function_name_346( $protocols ){
	// filter...

	return $protocols;
}

$protocols(array)

Array of allowed protocols e.g. 'http', 'ftp', 'tel', and more.

Where the hook is called

$protocols = array_unique( (array) apply_filters( 'kses_allowed_protocols', $protocols ) );

Where the hook is used (in WP core)