Verzeichnisstruktur phpBB-3.3.15
- Veröffentlicht
- 28.08.2024
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PipeStdinInStdoutStdErrStreamSelect.php
01 <?php
02
03 /*
04 * This file is part of the Symfony package.
05 *
06 * (c) Fabien Potencier <fabien@symfony.com>
07 *
08 * For the full copyright and license information, please view the LICENSE
09 * file that was distributed with this source code.
10 */
11
12 define('ERR_SELECT_FAILED', 1);
13 define('ERR_TIMEOUT', 2);
14 define('ERR_READ_FAILED', 3);
15 define('ERR_WRITE_FAILED', 4);
16
17 $read = [\STDIN];
18 $write = [\STDOUT, \STDERR];
19
20 stream_set_blocking(\STDIN, 0);
21 stream_set_blocking(\STDOUT, 0);
22 stream_set_blocking(\STDERR, 0);
23
24 $out = $err = '';
25 while ($read || $write) {
26 $r = $read;
27 $w = $write;
28 $e = null;
29 $n = stream_select($r, $w, $e, 5);
30
31 if (false === $n) {
32 exit(ERR_SELECT_FAILED);
33 } elseif ($n < 1) {
34 exit(ERR_TIMEOUT);
35 }
36
37 if (in_array(\STDOUT, $w) && strlen($out) > 0) {
38 $written = fwrite(\STDOUT, (string) $out, 32768);
39 if (false === $written) {
40 exit(ERR_WRITE_FAILED);
41 }
42 $out = (string) substr($out, $written);
43 }
44 if (null === $read && '' === $out) {
45 $write = array_diff($write, [\STDOUT]);
46 }
47
48 if (in_array(\STDERR, $w) && strlen($err) > 0) {
49 $written = fwrite(\STDERR, (string) $err, 32768);
50 if (false === $written) {
51 exit(ERR_WRITE_FAILED);
52 }
53 $err = (string) substr($err, $written);
54 }
55 if (null === $read && '' === $err) {
56 $write = array_diff($write, [\STDERR]);
57 }
58
59 if ($r) {
60 $str = fread(\STDIN, 32768);
61 if (false !== $str) {
62 $out .= $str;
63 $err .= $str;
64 }
65 if (false === $str || feof(\STDIN)) {
66 $read = null;
67 if (!feof(\STDIN)) {
68 exit(ERR_READ_FAILED);
69 }
70 }
71 }
72 }
73