FluidTYPO3\Vhs\ViewHelpers\Math\RangeViewHelper::render PHP Method

    public function render()
    {
        $a = $this->getInlineArgument();
        $aIsIterable = $this->assertIsArrayOrIterator($a);
        if (true === $aIsIterable) {
            $a = $this->arrayFromArrayOrTraversableOrCSV($a);
            sort($a, SORT_NUMERIC);
            if (1 === count($a)) {
                return [reset($a), reset($a)];
            } else {
                return [array_shift($a), array_pop($a)];
            }
        }
        return $a;
    }