xref: /PHP-8.1/ext/gd/tests/imageflip.phpt (revision a375d547)
1--TEST--
2Testing imageflip() of GD library
3--EXTENSIONS--
4gd
5--FILE--
6<?php
7
8$im = imagecreatetruecolor( 99, 99 );
9
10imagesetpixel($im, 0, 0, 0xFF);
11imagesetpixel($im, 0, 98, 0x00FF00);
12imagesetpixel($im, 98, 0, 0xFF0000);
13imagesetpixel($im, 98, 98, 0x0000FF);
14
15imageflip($im, IMG_FLIP_HORIZONTAL);
16imageflip($im, IMG_FLIP_VERTICAL);
17imageflip($im, IMG_FLIP_BOTH);
18
19var_dump(dechex(imagecolorat($im, 0, 0)));
20var_dump(dechex(imagecolorat($im, 0, 98)));
21var_dump(dechex(imagecolorat($im, 98, 0)));
22var_dump(dechex(imagecolorat($im, 98, 98)));
23?>
24--EXPECT--
25string(2) "ff"
26string(4) "ff00"
27string(6) "ff0000"
28string(2) "ff"
29