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CHANGELOG.md	4.342KB	edt ren
ExecutableFinder.php	3.491KB	edt ren
InputStream.php	2.329KB	edt ren
LICENSE	1.043KB	edt ren
PhpExecutableFinder.php	2.416KB	edt ren
PhpProcess.php	2.438KB	edt ren
PhpSubprocess.php	6.002KB	edt ren
Process.php	54.818KB	edt ren
ProcessUtils.php	1.712KB	edt ren
README.md	0.461KB	edt ren
composer.json	0.655KB	edt ren

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Process;

/**
 * Generic executable finder.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
 */
class ExecutableFinder
{
    private const CMD_BUILTINS = [
        'assoc', 'break', 'call', 'cd', 'chdir', 'cls', 'color', 'copy', 'date',
        'del', 'dir', 'echo', 'endlocal', 'erase', 'exit', 'for', 'ftype', 'goto',
        'help', 'if', 'label', 'md', 'mkdir', 'mklink', 'move', 'path', 'pause',
        'popd', 'prompt', 'pushd', 'rd', 'rem', 'ren', 'rename', 'rmdir', 'set',
        'setlocal', 'shift', 'start', 'time', 'title', 'type', 'ver', 'vol',
    ];

private array $suffixes = [];

/**
     * Replaces default suffixes of executable.
     */
    public function setSuffixes(array $suffixes): void
    {
        $this->suffixes = $suffixes;
    }

/**
     * Adds new possible suffix to check for executable, including the dot (.).
     *
     *     $finder = new ExecutableFinder();
     *     $finder->addSuffix('.foo');
     */
    public function addSuffix(string $suffix): void
    {
        $this->suffixes[] = $suffix;
    }

/**
     * Finds an executable by name.
     *
     * @param string      $name      The executable name (without the extension)
     * @param string|null $default   The default to return if no executable is found
     * @param array       $extraDirs Additional dirs to check into
     */
    public function find(string $name, ?string $default = null, array $extraDirs = []): ?string
    {
        // windows built-in commands that are present in cmd.exe should not be resolved using PATH as they do not exist as exes
        if ('\\' === \DIRECTORY_SEPARATOR && \in_array(strtolower($name), self::CMD_BUILTINS, true)) {
            return $name;
        }

$dirs = array_merge(
            explode(\PATH_SEPARATOR, getenv('PATH') ?: getenv('Path') ?: ''),
            $extraDirs
        );

$suffixes = $this->suffixes;
        if ('\\' === \DIRECTORY_SEPARATOR) {
            $pathExt = getenv('PATHEXT') ?: '';
            $suffixes = array_merge($suffixes, $pathExt ? explode(\PATH_SEPARATOR, $pathExt) : ['.exe', '.bat', '.cmd', '.com']);
        }
        $suffixes = '' !== pathinfo($name, \PATHINFO_EXTENSION) ? array_merge([''], $suffixes) : array_merge($suffixes, ['']);
        foreach ($suffixes as $suffix) {
            foreach ($dirs as $dir) {
                if ('' === $dir) {
                    $dir = '.';
                }
                if (@is_file($file = $dir.\DIRECTORY_SEPARATOR.$name.$suffix) && ('\\' === \DIRECTORY_SEPARATOR || @is_executable($file))) {
                    return $file;
                }

if (!@is_dir($dir) && basename($dir) === $name.$suffix && @is_executable($dir)) {
                    return $dir;
                }
            }
        }

if ('\\' === \DIRECTORY_SEPARATOR || !\function_exists('exec') || \strlen($name) !== strcspn($name, '/'.\DIRECTORY_SEPARATOR)) {
            return $default;
        }

$execResult = exec('command -v -- '.escapeshellarg($name));

if (($executablePath = substr($execResult, 0, strpos($execResult, \PHP_EOL) ?: null)) && @is_executable($executablePath)) {
            return $executablePath;
        }

return $default;
    }
}

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