Fusonic\Linq\Linq::getValueAt PHP 메소드

    private function getValueAt($index, $throwEx)
    {
        $i = 0;
        foreach ($this->iterator as $value) {
            if ($i == $index) {
                return $value;
            }
            $i++;
        }
        if ($throwEx) {
            throw new OutOfRangeException("Index is less than 0 or greater than or equal to the number of elements in the sequence.");
        }
        return null;
    }