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

    public function render()
    {
        $a = $this->getInlineArgument();
        $aIsIterable = $this->assertIsArrayOrIterator($a);
        if (true === $aIsIterable) {
            $a = $this->arrayFromArrayOrTraversableOrCSV($a);
            sort($a, SORT_NUMERIC);
            $size = count($a);
            $midpoint = $size / 2;
            if (1 === $size % 2) {
                /*
                 * Array indexes of float are truncated to integers,
                 * not everybody knows, let's make it explicit for everybody
                 * wondering.
                 */
                return $a[(int) $midpoint];
            }
            $candidates = array_slice($a, floor($midpoint) - 1, 2);
            return array_sum($candidates) / 2;
        }
        return $a;
    }