Roman

$match = $matched;
        $matched = array();
        $count = count($requested);
        $count_values = array_count_values($match);

        foreach ($count_values as $id => $value) {
            if ($value >= $count) {
                $matched[] = $id;
            } else {
                $matched[] = 0;
            }
        }

$count = count($requested);

$count_values = array_count_values($match);