xref: /PHP-8.2/ext/gd/tests/bug73159.phpt (revision 0aaad46c)
1--TEST--
2Bug #73159 (imagegd2(): unrecognized formats may result in corrupted files)
3--EXTENSIONS--
4gd
5--SKIPIF--
6<?php
7    if (!GD_BUNDLED && version_compare(GD_VERSION, '2.3.3', '>=')) {
8        die("skip test requires GD 2.3.2 or older");
9    }
10?>
11--FILE--
12<?php
13$im = imagecreatetruecolor(10, 10);
14
15ob_start();
16imagegd2($im, null, 128, 0);
17$buffer = ob_get_clean();
18
19$header = unpack('@12/nformat', $buffer);
20printf("format: %d\n", $header['format']);
21?>
22--EXPECT--
23format: 4
24