save() публичный Метод

Save an image The resulting format will be determined by the file extension.
public save ( null | integer $quality = null )
$quality null | integer Output image quality in percents 0-100
Документация по классу Image
Пример #1
0
 /**
  * @expectedException \JBZoo\Image\Exception
  */
 public function testSaveUndefined()
 {
     $img = new Image();
     $img->save();
 }