1--TEST--
2Set and get image resolution of PNG images
3--EXTENSIONS--
4gd
5--SKIPIF--
6<?php
7if (!(imagetypes() & IMG_PNG)) {
8    die("skip No PNG support");
9}
10?>
11--FILE--
12<?php
13$filename = __DIR__ . DIRECTORY_SEPARATOR . 'imageresolution_png.png';
14
15$exp = imagecreate(100, 100);
16imagecolorallocate($exp, 255, 0, 0);
17
18imageresolution($exp, 71);
19imagepng($exp, $filename);
20$act = imagecreatefrompng($filename);
21var_dump(imageresolution($act));
22
23imageresolution($exp, 71, 299);
24imagepng($exp, $filename);
25$act = imagecreatefrompng($filename);
26var_dump(imageresolution($act));
27?>
28--EXPECT--
29array(2) {
30  [0]=>
31  int(71)
32  [1]=>
33  int(71)
34}
35array(2) {
36  [0]=>
37  int(71)
38  [1]=>
39  int(299)
40}
41--CLEAN--
42<?php
43@unlink(__DIR__ . DIRECTORY_SEPARATOR . 'imageresolution_png.png');
44?>
45