SimpleSoftwareIO\QrCode\Image::getImageResource PHP Method

    public function getImageResource()
    {
        return $this->image;
    }

 /**
  * Must test that the outputted PNG is the same because you can not compare resources.
  */
 public function test_it_loads_an_image_string_into_a_resource()
 {
     imagepng(imagecreatefromstring($this->imagePath), $this->compareTestSaveLocation);
     imagepng($this->image->getImageResource(), $this->testImageSaveLocation);
     $correctImage = file_get_contents($this->compareTestSaveLocation);
     $testImage = file_get_contents($this->testImageSaveLocation);
     $this->assertEquals($correctImage, $testImage);
 }