src/Ubiquity/utils/http/USession.php
public static function Walk($callback, $userData = null) {
		self::start ();
		array_walk ( $_SESSION, $callback, $userData );
		return $_SESSION;
	}
public static function Walk($callback, $userData = null) {
		self::start ();
		array_walk ( $_SESSION, $callback, $userData );
		return $_SESSION;
	}
public static function Walk ( $ callback , $ userData = null ) { self :: start ( ) ; array_walk ( $ _SESSION , $ callback , $ userData ) ; return $ _SESSION ; }
Apply a user supplied function to every member of Session array

@param callable $callback
@param mixed $userData
@return array
Apply a user supplied function to every member of Session array