(PHP 8)
imagegetinterpolation — Get the interpolation method
   Gets the currently set interpolation method of the image.
  
image由图象创建函数(例如imagecreatetruecolor())返回的图象资源。
Returns the interpolation method.
| 版本 | 说明 | 
|---|---|
| 8.0.0 | imageexpects a GdImage
  instance now; previously, a resource was expected. |