Ouzo\Utilities\Arrays::filter PHP Method

    public static function filter(array $elements, $function)
    {
        return array_filter($elements, $function);
    }

 private static function getClassMethods($class)
 {
     $methods = $class->getMethods();
     return Arrays::filter($methods, function (ReflectionMethod $method) {
         return !$method->isConstructor() && !$method->isStatic();
     });
 }