--TEST-- Bug #45799 (imagepng() crashes on empty image). --SKIPIF-- <?php if (!extension_loaded('gd')) die("skip gd extension not available\n"); ?> --FILE-- <?php $img = imagecreate(500,500); imagepng($img); imagedestroy($img); ?> --EXPECTF-- Warning: imagepng(): gd-png error: no colors in palette in %s on line %d