File: libxml_set_external_entity_loader_trampoline.phpt

package info (click to toggle)
php8.4 8.4.11-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 208,108 kB
  • sloc: ansic: 1,060,628; php: 35,345; sh: 11,866; cpp: 7,201; pascal: 4,913; javascript: 3,091; asm: 2,810; yacc: 2,411; makefile: 689; xml: 446; python: 301; awk: 148
file content (56 lines) | stat: -rw-r--r-- 1,026 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
--TEST--
libxml_set_external_entity_loader() trampoline callback
--EXTENSIONS--
dom
--FILE--
<?php
$xml = <<<XML
<!DOCTYPE foo PUBLIC "-//FOO/BAR" "http://example.com/foobar">
<foo>bar</foo>
XML;

class TrampolineTest {
    const DTD = '<!ELEMENT foo (#PCDATA)>';

    public function __call(string $name, array $arguments) {
        echo 'Trampoline for ', $name, PHP_EOL;
        var_dump($arguments);
        $f = fopen("php://temp", "r+");
        fwrite($f, self::DTD);
        rewind($f);
        return $f;
    }
}
$o = new TrampolineTest();
$callback = [$o, 'entity_loader'];

libxml_set_external_entity_loader($callback);

$dd = new DOMDocument;
$r = $dd->loadXML($xml);
var_dump($dd->validate());

echo "Done.\n";

?>
--EXPECT--
Trampoline for entity_loader
array(3) {
  [0]=>
  string(10) "-//FOO/BAR"
  [1]=>
  string(25) "http://example.com/foobar"
  [2]=>
  array(4) {
    ["directory"]=>
    NULL
    ["intSubName"]=>
    NULL
    ["extSubURI"]=>
    NULL
    ["extSubSystem"]=>
    NULL
  }
}
bool(true)
Done.