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72 lines
1.7 KiB
72 lines
1.7 KiB
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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define('ERR_SELECT_FAILED', 1);
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define('ERR_TIMEOUT', 2);
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define('ERR_READ_FAILED', 3);
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define('ERR_WRITE_FAILED', 4);
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$read = [STDIN];
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$write = [STDOUT, STDERR];
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stream_set_blocking(STDIN, 0);
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stream_set_blocking(STDOUT, 0);
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stream_set_blocking(STDERR, 0);
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$out = $err = '';
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while ($read || $write) {
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$r = $read;
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$w = $write;
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$e = null;
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$n = stream_select($r, $w, $e, 5);
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if (false === $n) {
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die(ERR_SELECT_FAILED);
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} elseif ($n < 1) {
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die(ERR_TIMEOUT);
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}
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if (in_array(STDOUT, $w) && strlen($out) > 0) {
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$written = fwrite(STDOUT, (string) $out, 32768);
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if (false === $written) {
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die(ERR_WRITE_FAILED);
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}
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$out = (string) substr($out, $written);
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}
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if (null === $read && '' === $out) {
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$write = array_diff($write, [STDOUT]);
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}
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if (in_array(STDERR, $w) && strlen($err) > 0) {
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$written = fwrite(STDERR, (string) $err, 32768);
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if (false === $written) {
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die(ERR_WRITE_FAILED);
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}
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$err = (string) substr($err, $written);
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}
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if (null === $read && '' === $err) {
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$write = array_diff($write, [STDERR]);
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}
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if ($r) {
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$str = fread(STDIN, 32768);
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if (false !== $str) {
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$out .= $str;
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$err .= $str;
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}
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if (false === $str || feof(STDIN)) {
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$read = null;
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if (!feof(STDIN)) {
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die(ERR_READ_FAILED);
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}
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}
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}
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}
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