src/Vector.php
public function length()
    {
        $sumOfSquares = 0;
        foreach ($this->components() as $component) {
            $sumOfSquares += pow($component, 2);
        }

        return sqrt($sumOfSquares);
    }
public function length()
    {
        $sumOfSquares = 0;
        foreach ($this->components() as $component) {
            $sumOfSquares += pow($component, 2);
        }

        return sqrt($sumOfSquares);
    }
Returns the length of the vector.

@api
@return float The length/magnitude of the vector.