make the reader aware that imagecrop() returns a new image and therefore 2 image resources need to be freed after using it.

-- 
Provided by anonymous 82013 ()

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@344273 c90b9560-bf6c-de11-be94-00142212c4b1

reference/image/functions/imagecrop.xml

@@ -61,6 +61,8 @@ $im2 = imagecrop($im, ['x' => 0, 'y' => 0, 'width' => $size, 'height' => $size])
 if ($im2 !== FALSE) {
     imagepng($im2, 'example-cropped.png');
 }
+imagedestroy($im);
+imagedestroy($im2);
 ?>
 ]]>
    </programlisting>