<?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\RuntimeException;

/**
* PhpProcess runs a PHP script in an independent process.
*
* $p = new PhpProcess('<?php echo "foo"; ?>');
* $p->run();
* print $p->getOutput()."\n";
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class PhpProcess extends Process
{
/**
* Constructor.
*
* @param string $script The PHP script to run (as a string)
* @param string|null $cwd The working directory or null to use the working dir of the current PHP process
* @param array|null $env The environment variables or null to use the same environment as the current PHP process
* @param int $timeout The timeout in seconds
* @param array $options An array of options for proc_open
*/
public function __construct($script, $cwd = null, array $env = null, $timeout = 60, array $options = null)
{
$executableFinder = new PhpExecutableFinder();
if (false === $php = $executableFinder->find(false)) {
$php = null;
} else {
$php = array_merge(array($php), $executableFinder->findArguments());
}
if ('phpdbg' === PHP_SAPI) {
$file = tempnam(sys_get_temp_dir(), 'dbg');
file_put_contents($file, $script);
register_shutdown_function('unlink', $file);
$php[] = $file;
$script = null;
}
if (null !== $options) {
@trigger_error(sprintf('The $options parameter of the %s constructor is deprecated since version 3.3 and will be removed in 4.0.', __CLASS__), E_USER_DEPRECATED);
}

parent::__construct($php, $cwd, $env, $script, $timeout, $options);
}

/**
* Sets the path to the PHP binary to use.
*/
public function setPhpBinary($php)
{
$this->setCommandLine($php);
}

/**
* {@inheritdoc}
*/
public function start(callable $callback = null/*, array $env = array()*/)
{
if (null === $this->getCommandLine()) {
throw new RuntimeException('Unable to find the PHP executable.');
}
$env = 1 < func_num_args() ? func_get_arg(1) : null;

parent::start($callback, $env);
}
}