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File Content: `ProcessUtils.php`

<?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;

use Symfony\Component\Process\Exception\InvalidArgumentException;

/**
 * ProcessUtils is a bunch of utility methods.
 *
 * This class contains static methods only and is not meant to be instantiated.
 *
 * @author Martin Hasoň <martin.hason@gmail.com>
 */
class ProcessUtils
{
    /**
     * This class should not be instantiated.
     */
    private function __construct()
    {
    }

    /**
     * Validates and normalizes a Process input.
     *
     * @param string $caller The name of method call that validates the input
     * @param mixed  $input  The input to validate
     *
     * @return mixed
     *
     * @throws InvalidArgumentException In case the input is not valid
     */
    public static function validateInput(string $caller, $input)
    {
        if (null !== $input) {
            if (\is_resource($input)) {
                return $input;
            }
            if (\is_string($input)) {
                return $input;
            }
            if (\is_scalar($input)) {
                return (string) $input;
            }
            if ($input instanceof Process) {
                return $input->getIterator($input::ITER_SKIP_ERR);
            }
            if ($input instanceof \Iterator) {
                return $input;
            }
            if ($input instanceof \Traversable) {
                return new \IteratorIterator($input);
            }

            throw new InvalidArgumentException(sprintf('"%s" only accepts strings, Traversable objects or stream resources.', $caller));
        }

        return $input;
    }
}

Name	Size	Permission
Exception	---	0755
Pipes	---	0755
CHANGELOG.md	4052 bytes	0644
ExecutableFinder.php	3483 bytes	0644
InputStream.php	2403 bytes	0644
LICENSE	1068 bytes	0644
PhpExecutableFinder.php	2336 bytes	0644
PhpProcess.php	2468 bytes	0644
Process.php	53376 bytes	0644
ProcessUtils.php	1850 bytes	0644
README.md	947 bytes	0644
composer.json	716 bytes	0644

File Content: ProcessUtils.php

File Content: `ProcessUtils.php`