pocketmine\math\Matrix::__toString PHP Метод

    public function __toString()
    {
        $s = "";
        for ($r = 0; $r < $this->rows; ++$r) {
            $s .= implode(",", $this->matrix[$r]) . ";";
        }
        return "Matrix({$this->rows}x{$this->columns};" . substr($s, 0, -1) . ")";
    }