--TEST-- Bug #73159 (imagegd2(): unrecognized formats may result in corrupted files) --SKIPIF-- <?php if (!extension_loaded('gd')) die('skip gd extension not available'); ?> --FILE-- <?php $im = imagecreatetruecolor(10, 10); ob_start(); imagegd2($im, null, 128, 0); $buffer = ob_get_clean(); $header = unpack('@12/nformat', $buffer); printf("format: %d\n", $header['format']); ?> ===DONE=== --EXPECT-- format: 4 ===DONE===