protected function extract($file, $path)
 {
     $processError = null;
     // try to use unzip on *nix
     if (!defined('PHP_WINDOWS_VERSION_BUILD')) {
         $command = 'unzip ' . escapeshellarg($file) . ' -d ' . escapeshellarg($path);
         if (0 === $this->process->execute($command, $ignoredOutput)) {
             return;
         }
         $processError = 'Failed to execute ' . $command . "\n\n" . $this->process->getErrorOutput();
     }
     if (!class_exists('ZipArchive')) {
         // php.ini path is added to the error message to help users find the correct file
         $iniPath = php_ini_loaded_file();
         if ($iniPath) {
             $iniMessage = 'The php.ini used by your command-line PHP is: ' . $iniPath;
         } else {
             $iniMessage = 'A php.ini file does not exist. You will have to create one.';
         }
         $error = "Could not decompress the archive, enable the PHP zip extension or install unzip.\n" . $iniMessage . "\n" . $processError;
         if (!defined('PHP_WINDOWS_VERSION_BUILD')) {
             $error = "Could not decompress the archive, enable the PHP zip extension.\n" . $iniMessage;
         }
         throw new \RuntimeException($error);
     }
     $zipArchive = new ZipArchive();
     if (true !== ($retval = $zipArchive->open($file))) {
         throw new \UnexpectedValueException($this->getErrorMessage($retval, $file));
     }
     if (true !== $zipArchive->extractTo($path)) {
         throw new \RuntimeException("There was an error extracting the ZIP file. Corrupt file?");
     }
     $zipArchive->close();
 }

/**
 * Start the commandline to send a newsletter
 * This is offloaded because it could take a while and/or resources
 *
 * @param Newsletter $entity Newsletter entity to be processed
 *
 * @return void
 */
function newsletter_start_commandline_sending(Newsletter $entity)
{
    if (!empty($entity) && elgg_instanceof($entity, "object", Newsletter::SUBTYPE)) {
        // prepare commandline settings
        $settings = array("entity_guid" => $entity->getGUID(), "host" => $_SERVER["HTTP_HOST"], "memory_limit" => ini_get("memory_limit"), "secret" => newsletter_generate_commanline_secret($entity->getGUID()));
        if (isset($_SERVER["HTTPS"])) {
            $settings["https"] = $_SERVER["HTTPS"];
        }
        // ini settings
        $ini_param = "";
        $ini_file = php_ini_loaded_file();
        if (!empty($ini_file)) {
            $ini_param = "-c " . $ini_file . " ";
        }
        // which script to run
        $script_location = dirname(dirname(__FILE__)) . "/procedures/cli.php";
        // convert settings to commandline params
        $query_string = http_build_query($settings, "", " ");
        // start the correct commandline
        if (PHP_OS === "WINNT") {
            pclose(popen("start /B php " . $ini_param . $script_location . " " . $query_string, "r"));
        } else {
            exec("php " . $ini_param . $script_location . " " . $query_string . " > /dev/null &");
        }
    }
}

 /**
  * Execute the "show" command
  *
  * @param  InputInterface $input Input object
  * @param  OutputInterface $output Output object
  * @throws \Exception
  * @return null
  */
 protected function execute(InputInterface $input, OutputInterface $output)
 {
     $path = $input->getOption('path');
     // if we're not given a path at all, try to figure it out
     if ($path === null) {
         $path = php_ini_loaded_file();
     }
     if (!is_file($path)) {
         throw new \Exception('Path is null or not accessible: "' . $path . '"');
     }
     $ini = parse_ini_file($path, true);
     $output->writeLn('Current PHP.ini settings from ' . $path);
     $output->writeLn('##########');
     foreach ($ini as $section => $data) {
         $output->writeLn('<info>:: ' . $section . '</info>');
         if (empty($data)) {
             $output->writeLn("\t<fg=yellow>No settings</fg=yellow>");
         } else {
             foreach ($data as $path => $value) {
                 $output->writeLn("\t" . $path . ' => ' . var_export($value, true));
             }
         }
         $output->writeLn("-----------------\n");
     }
 }

/**
 * Start the commandline to send a newsletter
 * This is offloaded because it could take a while and/or resources
 *
 * @param Newsletter $entity Newsletter entity to be processed
 *
 * @return void
 */
function newsletter_start_commandline_sending(Newsletter $entity)
{
    if (!elgg_instanceof($entity, 'object', Newsletter::SUBTYPE)) {
        return;
    }
    // prepare commandline settings
    $settings = ['entity_guid' => $entity->getGUID(), 'host' => $_SERVER['HTTP_HOST'], 'memory_limit' => ini_get('memory_limit'), 'secret' => newsletter_generate_commanline_secret($entity->getGUID())];
    if (isset($_SERVER['HTTPS'])) {
        $settings['https'] = $_SERVER['HTTPS'];
    }
    // ini settings
    $ini_param = '';
    $ini_file = php_ini_loaded_file();
    if (!empty($ini_file)) {
        $ini_param = "-c {$ini_file} ";
    }
    // which script to run
    $script_location = dirname(dirname(__FILE__)) . '/procedures/cli.php';
    // convert settings to commandline params
    $query_string = http_build_query($settings, '', ' ');
    // start the correct commandline
    if (PHP_OS === 'WINNT') {
        pclose(popen('start /B php ' . $ini_param . $script_location . ' ' . $query_string, 'r'));
    } else {
        exec('php ' . $ini_param . $script_location . ' ' . $query_string . ' > /dev/null &');
    }
}

 /**
  * Install extension by given name.
  *
  * Uses configration retrieved as per `php_ini_loaded_file()`.
  *
  * @see http://php.net/php_ini_loaded_file
  * @param string $name The name of the extension to install.
  * @return void
  */
 public static function install($name)
 {
     if (!isset(static::$_extensions[$name])) {
         return;
     }
     $extension = static::$_extensions[$name];
     echo $name;
     if (isset($extension['require']['php'])) {
         $version = $extension['require']['php'];
         if (!version_compare(PHP_VERSION, $version[1], $version[0])) {
             $message = " => not installed, requires a PHP version %s %s (%s installed)\n";
             printf($message, $version[0], $version[1], PHP_VERSION);
             return;
         }
     }
     static::_system(sprintf('wget %s > /dev/null 2>&1', $extension['url']));
     $file = basename($extension['url']);
     static::_system(sprintf('tar -xzf %s > /dev/null 2>&1', $file));
     $folder = basename($file, '.tgz');
     $folder = basename($folder, '.tar.gz');
     $message = 'sh -c "cd %s && phpize && ./configure %s ';
     $message .= '&& make && sudo make install" > /dev/null 2>&1';
     static::_system(sprintf($message, $folder, implode(' ', $extension['configure'])));
     foreach ($extension['ini'] as $ini) {
         static::_system(sprintf("echo %s >> %s", $ini, php_ini_loaded_file()));
     }
     printf("=> installed (%s)\n", $folder);
 }

 public function __construct()
 {
     parent::__construct();
     //
     // Make sure that bool valued settings are cast to ints.
     //
     $this->_settings = array(self::ALLOW_USER_REGISTRATION => 1, self::EXECUTABLE_TAR => Framework_HostOs::isWindows() ? '' : 'tar', self::EXECUTABLE_GIT => 'git' . (Framework_HostOs::isWindows() ? '.exe' : ''), self::EXECUTABLE_PHP => 'php' . (Framework_HostOs::isWindows() ? '.exe' : '') . (php_ini_loaded_file() ? ' -c ' . htmlentities(str_replace(array('\\', '//'), '/', php_ini_loaded_file())) : ''), self::EXECUTABLE_SVN => 'svn' . (Framework_HostOs::isWindows() ? '.exe' : ''), self::INTERNAL_BUILDER_ACTIVE => CINTIENT_INTERNAL_BUILDER_ACTIVE, self::VERSION => '');
 }

 public function getIniPath()
 {
     $ini = php_ini_loaded_file();
     if (!$ini && file_exists('/etc/hhvm/php.ini')) {
         $ini = '/etc/hhvm/php.ini';
     }
     return $ini;
 }

 public function iniCheck($info, $setting, $expected, $required = true, $help = null)
 {
     $current = ini_get($setting);
     $cb = function () use($current, $expected) {
         return is_callable($expected) ? call_user_func($expected, $current) : $current == $expected;
     };
     $message = sprintf('%s in %s is currently set to %s but %s be set to %s.', $setting, php_ini_loaded_file(), var_export($current, true), $required ? 'must' : 'should', var_export($expected, true)) . ' ' . $help;
     $this->check($info, $cb, trim($message), $required);
 }

 /**
  * @param string $section
  */
 public static function setDirective($section, $directive, $value)
 {
     $ini_file = php_ini_loaded_file();
     self::doBackup($ini_file);
     $ini = new INIReaderWriter($ini_file);
     $ini->set($section, $directive, $value);
     $ini->write($ini_file);
     return true;
 }

 public function execute()
 {
     $file = php_ini_loaded_file();
     if (!file_exists($file)) {
         $php = Config::getCurrentPhpName();
         $this->logger->warn("Sorry, I can't find the {$file} file for php {$php}.");
         return;
     }
     Utils::editor($file);
 }

/** @return Tester\Runner\PhpInterpreter */
function createInterpreter()
{
    if (defined('HHVM_VERSION')) {
        return new Tester\Runner\HhvmPhpInterpreter(PHP_BINARY);
    } elseif (defined('PHPDBG_VERSION')) {
        return new Tester\Runner\ZendPhpDbgInterpreter(PHP_BINARY, ' -c ' . Tester\Helpers::escapeArg(php_ini_loaded_file()));
    } else {
        return new Tester\Runner\ZendPhpInterpreter(PHP_BINARY, ' -c ' . Tester\Helpers::escapeArg(php_ini_loaded_file()));
    }
}

 /**
  * Returns an array of php.ini locations with at least one entry
  *
  * The equivalent of calling php_ini_loaded_file then php_ini_scanned_files.
  * The loaded ini location is the first entry and may be empty.
  * @return array
  */
 public static function getAll()
 {
     if ($env = strval(getenv(self::ENV_ORIGINAL))) {
         return explode(PATH_SEPARATOR, $env);
     }
     $paths = array(strval(php_ini_loaded_file()));
     if ($scanned = php_ini_scanned_files()) {
         $paths = array_merge($paths, array_map('trim', explode(',', $scanned)));
     }
     return $paths;
 }

 public static function getEnvironment(Context $context)
 {
     $environment = [];
     $environment['server'] = ['title' => _i('Server Information'), 'data' => [['title' => _i('Web Server Software'), 'value' => $_SERVER['SERVER_SOFTWARE'], 'alert' => ['type' => 'warning', 'condition' => (bool) preg_match('/nginx/i', $_SERVER['SERVER_SOFTWARE']), 'title' => 'Warning', 'string' => _i('The nginx web server has its own internal file size limit variable for uploads. It is recommended that this value be set at the same value set in the PHP configuration file.')]], ['title' => _i('PHP Version'), 'value' => PHP_VERSION, 'alert' => ['type' => 'important', 'condition' => version_compare(PHP_VERSION, '5.4.0') < 0, 'title' => _i('Please Update Immediately'), 'string' => _i('The minimum requirements to run this software is 5.4.0.')]]]];
     $environment['software'] = ['title' => _i('Software Information'), 'data' => [['title' => _i('FoolFrame Version'), 'value' => $context->getService('config')->get('foolz/foolframe', 'package', 'main.version'), 'alert' => ['type' => 'info', 'condition' => true, 'title' => _i('New Update Available'), 'string' => _i('There is a new version of the software available for download.')]]]];
     $environment['php-configuration'] = ['title' => _i('PHP Configuration'), 'data' => [['title' => _i('Config Location'), 'value' => php_ini_loaded_file(), 'description' => _i('This is the path to the location of the php.ini configuration file.')], ['title' => 'allow_url_fopen', 'value' => ini_get('allow_url_fopen') ? _i('On') : _i('Off'), 'description' => _i('This option enables the URL-aware fopen wrappers that allows access to remote files using the FTP or HTTP protocol.'), 'alert' => ['type' => 'important', 'condition' => (bool) (!ini_get('allow_url_fopen')), 'title' => _i('Critical'), 'string' => _i('The PHP configuration on the server currently has URL-aware fopen wrappers disabled. The software will be operating at limited functionality.')]], ['title' => 'max_execution_time', 'value' => ini_get('max_execution_time'), 'description' => _i('This sets the maximum time in seconds a script is allowed to run before it is terminated by the parser.'), 'alert' => ['type' => 'warning', 'condition' => (bool) (intval(ini_get('max_execution_time')) < 60), 'title' => _i('Warning'), 'string' => _i('Your current value for maximum execution time is below the suggested value.')]], ['title' => 'file_uploads', 'value' => ini_get('file_uploads') ? _i('On') : _i('Off'), 'description' => _i('This sets whether or not to allow HTTP file uploads.'), 'alert' => ['type' => 'important', 'condition' => (bool) (!ini_get('file_uploads')), 'title' => _i('Critical'), 'string' => _i('The PHP configuration on the server currently has file uploads disabled. This option must be enabled for the software to fully function.')]], ['title' => 'post_max_size', 'value' => ini_get('post_max_size'), 'description' => _i('This sets the maximum size of POST data allowed.'), 'alert' => ['type' => 'warning', 'condition' => (bool) (intval(substr(ini_get('post_max_size'), 0, -1)) < 16), 'title' => _i('Warning'), 'string' => _i('Your current value for maximum POST data size is below the suggested value.')]], ['title' => 'upload_max_filesize', 'value' => ini_get('upload_max_filesize'), 'description' => _i('This sets the maximum size allowed to be uploaded.'), 'alert' => ['type' => 'warning', 'condition' => (bool) (intval(substr(ini_get('upload_max_filesize'), 0, -1)) < 16), 'title' => _i('Warning'), 'string' => _i('Your current value for maximum upload file size is below the suggested value.')]], ['title' => 'max_file_uploads', 'value' => ini_get('max_file_uploads'), 'description' => _i('This sets the maximum number of files allowed to be uploaded concurrently.'), 'alert' => ['type' => 'warning', 'condition' => (bool) (intval(ini_get('max_file_uploads')) < 60), 'title' => _i('Warning'), 'string' => _i('Your current value for maximum number of concurrent uploads is below the suggested value.')]]]];
     $environment['php-extensions'] = ['title' => _i('PHP Extensions'), 'data' => [['title' => 'APC', 'value' => extension_loaded('apc') ? _i('Installed') : _i('Unavailable'), 'alert' => ['type' => 'warning', 'condition' => (bool) (!extension_loaded('apc')), 'title' => _i('Warning'), 'string' => _i('Your PHP environment shows that you do not have the "%s" extension installed. This may limit the functionality of the software.', 'APC')]], ['title' => 'cURL', 'value' => extension_loaded('curl') ? _i('Installed') : _i('Unavailable'), 'alert' => ['type' => 'important', 'condition' => (bool) (!extension_loaded('curl')), 'title' => _i('Critical'), 'string' => _i('Your PHP environment shows that you do not have the "%s" extension installed. This may limit the functionality of the software.', 'cURL')]], ['title' => 'FileInfo', 'value' => extension_loaded('fileinfo') ? _i('Installed') : _i('Unavailable'), 'alert' => ['type' => 'important', 'condition' => (bool) (!extension_loaded('fileinfo')), 'title' => _i('Critical'), 'string' => _i('Your PHP environment shows that you do not have the "%s" extension installed. This may limit the functionality of the software.', 'FileInfo')]], ['title' => 'JSON', 'value' => extension_loaded('json') ? _i('Installed') : _i('Unavailable'), 'alert' => ['type' => 'important', 'condition' => (bool) (!extension_loaded('json')), 'title' => _i('Critical'), 'string' => _i('Your PHP environment shows that you do not have the "%s" extension installed. This may limit the functionality of the software.', 'JSON')]], ['title' => 'Multi-byte String', 'value' => extension_loaded('mbstring') ? _i('Installed') : _i('Unavailable'), 'alert' => ['type' => 'important', 'condition' => (bool) (!extension_loaded('mbstring')), 'title' => _i('Critical'), 'string' => _i('Your PHP environment shows that you do not have the "%s" extension installed. This may limit the functionality of the software.', 'Multi-byte String')]], ['title' => 'MySQLi', 'value' => extension_loaded('mysqli') ? _i('Installed') : _i('Unavailable'), 'alert' => ['type' => 'important', 'condition' => (bool) (!extension_loaded('mysqli')), 'title' => _i('Critical'), 'string' => _i('Your PHP environment shows that you do not have the "%s" extension installed. This may limit the functionality of the software.', 'MySQLi')]], ['title' => 'PDO MySQL', 'value' => extension_loaded('pdo_mysql') ? _i('Installed') : _i('Unavailable'), 'alert' => ['type' => 'important', 'condition' => (bool) (!extension_loaded('pdo_mysql')), 'title' => _i('Critical'), 'string' => _i('Your PHP environment shows that you do not have the "%s" extension installed. This may limit the functionality of the software.', 'PDO MySQL')]]]];
     $environment = Hook::forge('Foolz\\FoolFrame\\Model\\System::getEnvironment#var.environment')->setParam('environment', $environment)->execute()->get($environment);
     usort($environment['php-extensions']['data'], array('System', 'sortByTitle'));
     return $environment;
 }

function collectConfigurationFiles()
{
    $files = array(php_ini_loaded_file());
    $scannedFiles = php_ini_scanned_files();
    if ($scannedFiles) {
        foreach (explode(',', $scannedFiles) as $file) {
            array_push($files, trim($file));
        }
    }
    return $files;
}

 function vtiger_extensionloader_suggest()
 {
     $PHPVER = sprintf("%s.%s", PHP_MAJOR_VERSION, PHP_MINOR_VERSION);
     $OSHWINFO = str_replace('Darwin', 'Mac', PHP_OS) . '_' . php_uname('m');
     $WIN = strtoupper(substr(PHP_OS, 0, 3)) === 'WIN' ? true : false;
     $EXTFNAME = 'vtigerextn_loader';
     $EXTNFILE = $EXTFNAME . ($WIN ? '.dll' : '.so');
     $DISTFILE = sprintf("%s_%s_%s.so", $EXTFNAME, $PHPVER, $OSHWINFO);
     $DISTFILEZIP = sprintf("%s_%s_%s-yyyymmdd.zip", $EXTFNAME, $PHPVER, $OSHWINFO);
     return array('loader_zip' => $DISTFILEZIP, 'loader_file' => $DISTFILE, 'php_ini' => php_ini_loaded_file(), 'extensions_dir' => ini_get('extension_dir'));
 }

 protected static function getPhpArguments()
 {
     $arguments = array();
     $phpFinder = new PhpExecutableFinder();
     if (method_exists($phpFinder, 'findArguments')) {
         $arguments = $phpFinder->findArguments();
     }
     if (false !== ($ini = php_ini_loaded_file())) {
         $arguments[] = '--php-ini=' . $ini;
     }
     return $arguments;
 }

 /**
  * Assemble the complete stack of System Informations
  *
  * @return array
  */
 private function assembleSystemInfos()
 {
     // get system informations and server variables
     $sysinfos = array();
     // WEBSERVER
     if (is_callable('apache_get_version')) {
         $sysinfos['apache_get_version'] = apache_get_version();
         $sysinfos['apache_modules'] = apache_get_modules();
         asort($sysinfos['apache_modules']);
     }
     // fetch server's IP address and it's name
     $sysinfos['server_ip'] = gethostbyname($_SERVER['SERVER_NAME']);
     $sysinfos['server_name'] = gethostbyaddr($sysinfos['server_ip']);
     // PHP
     // Get Interface Webserver<->PHP (Server-API)
     $sysinfos['php_sapi_name'] = php_sapi_name();
     // Is the SERVER-API an CGI (until PHP 5.3) or CGI_FCGI?
     if (substr($sysinfos['php_sapi_name'], 0, 3) == 'cgi') {
         $sysinfos['php_sapi_cgi'] = true;
     }
     $sysinfos['php_uname'] = php_uname();
     $sysinfos['php_os'] = PHP_OS;
     $sysinfos['php_os_bit'] = PHP_INT_SIZE * 8 . 'Bit';
     $sysinfos['php_sapi'] = PHP_SAPI;
     // @todo check out, if this is the same as php_sapi_name?
     $sysinfos['phpversion'] = phpversion();
     $sysinfos['php_extensions'] = get_loaded_extensions();
     asort($sysinfos['php_extensions']);
     $sysinfos['zendversion'] = zend_version();
     $sysinfos['path_to_phpini'] = php_ini_loaded_file();
     $sysinfos['cfg_include_path'] = get_cfg_var('include_path');
     $sysinfos['cfg_file_path'] = realpath(get_cfg_var("cfg_file_path"));
     $sysinfos['zend_thread_safty'] = (int) function_exists('zend_thread_id');
     $sysinfos['open_basedir'] = (int) ini_get('open_basedir');
     $sysinfos['memory_limit'] = ini_get('memory_limit');
     $sysinfos['allow_url_fopen'] = (int) ini_get('allow_url_fopen');
     $sysinfos['allow_url_include'] = (int) ini_get('allow_url_include');
     $sysinfos['file_uploads'] = ini_get('file_uploads');
     $sysinfos['upload_max_filesize'] = ini_get('upload_max_filesize');
     $sysinfos['post_max_size'] = ini_get('post_max_size');
     $sysinfos['disable_functions'] = (int) ini_get('disable_functions');
     $sysinfos['disable_classes'] = (int) ini_get('disable_classes');
     $sysinfos['enable_dl'] = (int) ini_get('enable_dl');
     $sysinfos['filter_default'] = ini_get('filter.default');
     $sysinfos['zend_ze1_compatibility_mode'] = (int) ini_get('zend.ze1_compatibility_mode');
     $sysinfos['unicode_semantics'] = (int) ini_get('unicode.semantics');
     $sysinfos['mbstring_func_overload'] = ini_get('mbstring.func_overload');
     $sysinfos['max_input_time'] = ini_get('max_input_time');
     $sysinfos['max_execution_time'] = ini_get('max_execution_time');
     return $sysinfos;
 }

    /**
     * Creates some pseudo random jibberish to be used as a salt value.
     * @access public
     * @static
     * @return string
     * @author Jason D Snider <[email protected]>
     */
    public static function makeSalt()
    {
        $seed = openssl_random_pseudo_bytes(4096);
        $seed .= String::uuid();
        $seed .= mt_rand(1000000000, 2147483647);
        $seed .= Security::hash(php_ini_loaded_file(), 'sha512', true);

        if(is_dir(DS . 'var')){
            $seed .= Security::hash(implode(scandir(DS . 'var')), 'sha512');
        }

        $salt = $hash = Security::hash($seed, 'sha512', true);

        return $salt;
    }

 /**
  * Launch sub process
  *
  * @return array The new sub process and its STDIN, STDOUT, STDERR pipes – or FALSE if an error occurred.
  * @throws \RuntimeException
  */
 protected function launchSubProcess()
 {
     $systemCommand = 'FLOW_ROOTPATH=' . FLOW_PATH_ROOT . ' FLOW_PATH_TEMPORARY_BASE=' . escapeshellarg(FLOW_PATH_TEMPORARY_BASE) . ' FLOW_CONTEXT=' . (string) $this->context . ' ' . PHP_BINDIR . '/php -c ' . php_ini_loaded_file() . ' ' . FLOW_PATH_FLOW . 'Scripts/flow.php' . ' --start-slave';
     $descriptorSpecification = [['pipe', 'r'], ['pipe', 'w'], ['pipe', 'a']];
     $this->subProcess = proc_open($systemCommand, $descriptorSpecification, $this->pipes);
     if (!is_resource($this->subProcess)) {
         throw new \RuntimeException('Could not execute sub process.');
     }
     $read = [$this->pipes[1]];
     $write = null;
     $except = null;
     $readTimeout = 30;
     stream_select($read, $write, $except, $readTimeout);
     $subProcessStatus = proc_get_status($this->subProcess);
     return $subProcessStatus['running'] === true ? [$this->subProcess, $this->pipes] : false;
 }

 /**
  * Launch sub process
  *
  * @return array The new sub process and its STDIN, STDOUT, STDERR pipes – or FALSE if an error occurred.
  * @throws \RuntimeException
  */
 protected function launchSubProcess()
 {
     $systemCommand = 'FLOW_ROOTPATH=' . escapeshellarg(FLOW_PATH_ROOT) . ' FLOW_CONTEXT=' . (string) $this->context . ' ' . PHP_BINDIR . '/php -c ' . escapeshellarg(php_ini_loaded_file()) . ' ' . escapeshellarg(FLOW_PATH_FLOW . 'Scripts/flow.php') . ' --start-slave';
     $descriptorSpecification = array(array('pipe', 'r'), array('pipe', 'w'), array('pipe', 'a'));
     $this->subProcess = proc_open($systemCommand, $descriptorSpecification, $this->pipes);
     if (!is_resource($this->subProcess)) {
         throw new \RuntimeException('Could not execute sub process.');
     }
     $read = array($this->pipes[1]);
     $write = NULL;
     $except = NULL;
     $readTimeout = 30;
     stream_select($read, $write, $except, $readTimeout);
     $subProcessStatus = proc_get_status($this->subProcess);
     return $subProcessStatus['running'] === TRUE ? array($this->subProcess, $this->pipes) : FALSE;
 }