(PHP 7 >= 7.2.0, PHP 8)
imagegetclip — Get the clipping rectangle
imagegetclip() retrieves the current clipping rectangle, i.e. the area beyond which no pixels will be drawn.
imageA GdImage object, returned by one of the image creation functions, such as imagecreatetruecolor().
The function returns an indexed array with the coordinates of the clipping rectangle which has the following entries:
| Version | Description | 
|---|---|
| 8.0.0 | imageexpects a GdImage
  instance now; previously, a validgdresource was expected. | 
Example #1 imagegetclip() example
Setting and retrieving the clipping rectangle.
<?php
$im = imagecreate(100, 100);
imagesetclip($im, 10,10, 89,89);
print_r(imagegetclip($im));
The above example will output:
Array
(
    [0] => 10
    [1] => 10
    [2] => 89
    [3] => 89
)