Tipsy\Looper::_filter PHP Метод

    private function _filter()
    {
        $items = $this->_items;
        $mismatch = [];
        $strict = false;
        if (func_num_args() == 1 && is_callable(func_get_arg(0))) {
            $func = func_get_arg(0);
        } elseif (func_num_args() == 2 && !is_array(func_get_arg(0)) && !is_array(func_get_arg(1))) {
            $filters[][func_get_arg(0)] = func_get_arg(1);
        } else {
            foreach (func_get_args() as $arg) {
                if (is_array($arg)) {
                    $filters[] = $arg;
                }
            }
        }
        if ($filters) {
            foreach ($filters as $key => $set) {
                foreach ($items as $key => $item) {
                    $mis = 0;
                    foreach ($set as $k => $v) {
                        if ($item->{$k} != $v) {
                            $mis++;
                        }
                    }
                    if ($strict && count($set) == $mis || $mis) {
                        $mismatch[$key]++;
                    }
                }
            }
        }
        if ($func) {
            foreach ($items as $key => $item) {
                if (!$func($item, $key)) {
                    $mismatch[$key] = $key;
                    break;
                }
            }
        }
        foreach ($items as $key => $value) {
            if (array_key_exists($key, $mismatch) && ($func || $mismatch[$key] == count($filters))) {
                $trash[] = $items[$key];
            } else {
                $newitems[] = $items[$key];
            }
        }
        return ['yes' => $newitems, 'no' => $trash];
    }