(PHP 8)
imagegetinterpolation — Get the interpolation method
   Gets the currently set interpolation method of the image.
  
imageA GdImage object, returned by one of the image creation functions, such as imagecreatetruecolor().
Returns the interpolation method.
| Version | Description | 
|---|---|
| 8.0.0 | imageexpects a GdImage
  instance now; previously, a validgdresource was expected. | 
