ManaPHP\Image\Adapter\Gd::save PHP Метод

    public function save($file, $quality = 80)
    {
        $file = $this->alias->resolve($file);
        $ext = strtolower(pathinfo($file, PATHINFO_EXTENSION));
        if ($ext === '') {
            $ext = 'jpg';
        }
        $dir = dirname($file);
        if (!@mkdir($dir, 0755, true) && !is_dir($dir)) {
            throw new GdException('create `:dir` image directory failed: :message', ['dir' => $dir, 'message' => error_get_last()['message']]);
        }
        if ($ext === 'gif') {
            imagegif($this->_image, $file);
        } elseif ($ext === 'jpg' || $ext === 'jpeg') {
            imagejpeg($this->_image, $file, $quality);
        } elseif ($ext === 'png') {
            imagepng($this->_image, $file);
        } else {
            throw new GdException('`:extension` is not supported by Installed GD', ['extension' => $ext]);
        }
    }