public function __construct($commandline, $cwd = null, array $env = null, $input = null, $timeout = 60, array $options = array())
{
if (!function_exists('proc_open')) {
throw new RuntimeException('The Process class relies on proc_open, which is not available on your PHP installation.');
}
$this->commandline = $commandline;
$this->cwd = $cwd;
// on Windows, if the cwd changed via chdir(), proc_open defaults to the dir where PHP was started
// on Gnu/Linux, PHP builds with --enable-maintainer-zts are also affected
// @see : https://bugs.php.net/bug.php?id=51800
// @see : https://bugs.php.net/bug.php?id=50524
if (null === $this->cwd && (defined('ZEND_THREAD_SAFE') || '\\' === DIRECTORY_SEPARATOR)) {
$this->cwd = getcwd();
}
if (null !== $env) {
$this->setEnv($env);
}
$this->setInput($input);
$this->setTimeout($timeout);
$this->useFileHandles = '\\' === DIRECTORY_SEPARATOR;
$this->pty = false;
$this->enhanceWindowsCompatibility = true;
$this->enhanceSigchildCompatibility = '\\' !== DIRECTORY_SEPARATOR && $this->isSigchildEnabled();
$this->options = array_replace(array('suppress_errors' => true, 'binary_pipes' => true), $options);
}