xref: /PHP-8.1/ext/standard/tests/file/bug38450.phpt (revision f8d79582) 
1--TEST--
2Bug #38450 (constructor is not called for classes used in userspace stream wrappers)
3--FILE--
4<?php
5
6class VariableStream {
7    var $position;
8    var $varname;
9
10    function __construct($var=null) {
11        var_dump("constructor!");
12    }
13
14    function stream_open($path, $mode, $options, &$opened_path)
15    {
16        $url = parse_url($path);
17        $this->varname = $url["host"];
18        $this->position = 0;
19
20        return true;
21    }
22
23    function stream_read($count)
24    {
25        $ret = substr($GLOBALS[$this->varname], $this->position, $count);
26        $this->position += strlen($ret);
27        return $ret;
28    }
29
30    function stream_write($data)
31    {
32        $left = substr($GLOBALS[$this->varname], 0, $this->position);
33        $right = substr($GLOBALS[$this->varname], $this->position + strlen($data));
34        $GLOBALS[$this->varname] = $left . $data . $right;
35        $this->position += strlen($data);
36        return strlen($data);
37    }
38
39    function stream_tell()
40    {
41        return $this->position;
42    }
43
44    function stream_eof()
45    {
46        return $this->position >= strlen($GLOBALS[$this->varname]);
47    }
48    function stream_seek($offset, $whence)
49    {
50        switch ($whence) {
51        case SEEK_SET:
52            if ($offset < strlen($GLOBALS[$this->varname]) && $offset >= 0) {
53                $this->position = $offset;
54                return true;
55            } else {
56                return false;
57            }
58            break;
59
60        case SEEK_CUR:
61            if ($offset >= 0) {
62                $this->position += $offset;
63                return true;
64            } else {
65                return false;
66            }
67            break;
68
69        case SEEK_END:
70            if (strlen($GLOBALS[$this->varname]) + $offset >= 0) {
71                $this->position = strlen($GLOBALS[$this->varname]) + $offset;
72                return true;
73            } else {
74                return false;
75            }
76            break;
77
78        default:
79            return false;
80        }
81    }
82}
83
84stream_wrapper_register("var", "VariableStream")
85    or die("Failed to register protocol");
86
87$myvar = "";
88
89$fp = fopen("var://myvar", "r+");
90
91fwrite($fp, "line1\n");
92fwrite($fp, "line2\n");
93fwrite($fp, "line3\n");
94
95rewind($fp);
96while (!feof($fp)) {
97    echo fgets($fp);
98}
99fclose($fp);
100var_dump($myvar);
101
102echo "Done\n";
103?>
104--EXPECT--
105string(12) "constructor!"
106line1
107line2
108line3
109string(18) "line1
110line2
111line3
112"
113Done
114