/**
* Creates a FixedAssociativeArray class with data using an existing array as input.
*
* @author Francois Raeven <*****@*****.**>
*
* @param array $source Which will be entirely converted to a FixedAssociativeArray
*
* @return FixedAssociativeArray
*/
public static function freeze(array $source)
{
$obj = new self(array_keys($source));
$obj->massUpdate($source);
return $obj;
}
