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- 28.08.2024
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ExecutableFinder.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 namespace Symfony\Component\Process;
13
14 /**
15 * Generic executable finder.
16 *
17 * @author Fabien Potencier <fabien@symfony.com>
18 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
19 */
20 class ExecutableFinder
21 {
22 private $suffixes = ['.exe', '.bat', '.cmd', '.com'];
23
24 /**
25 * Replaces default suffixes of executable.
26 */
27 public function setSuffixes(array $suffixes)
28 {
29 $this->suffixes = $suffixes;
30 }
31
32 /**
33 * Adds new possible suffix to check for executable.
34 *
35 * @param string $suffix
36 */
37 public function addSuffix($suffix)
38 {
39 $this->suffixes[] = $suffix;
40 }
41
42 /**
43 * Finds an executable by name.
44 *
45 * @param string $name The executable name (without the extension)
46 * @param string|null $default The default to return if no executable is found
47 * @param array $extraDirs Additional dirs to check into
48 *
49 * @return string|null The executable path or default value
50 */
51 public function find($name, $default = null, array $extraDirs = [])
52 {
53 if (ini_get('open_basedir')) {
54 $searchPath = array_merge(explode(\PATH_SEPARATOR, ini_get('open_basedir')), $extraDirs);
55 $dirs = [];
56 foreach ($searchPath as $path) {
57 // Silencing against https://bugs.php.net/69240
58 if (@is_dir($path)) {
59 $dirs[] = $path;
60 } else {
61 if (basename($path) == $name && @is_executable($path)) {
62 return $path;
63 }
64 }
65 }
66 } else {
67 $dirs = array_merge(
68 explode(\PATH_SEPARATOR, getenv('PATH') ?: getenv('Path')),
69 $extraDirs
70 );
71 }
72
73 $suffixes = [''];
74 if ('\\' === \DIRECTORY_SEPARATOR) {
75 $pathExt = getenv('PATHEXT');
76 $suffixes = array_merge($pathExt ? explode(\PATH_SEPARATOR, $pathExt) : $this->suffixes, $suffixes);
77 }
78 foreach ($suffixes as $suffix) {
79 foreach ($dirs as $dir) {
80 if (@is_file($file = $dir.\DIRECTORY_SEPARATOR.$name.$suffix) && ('\\' === \DIRECTORY_SEPARATOR || @is_executable($file))) {
81 return $file;
82 }
83 }
84 }
85
86 return $default;
87 }
88 }
89