PhpBrew\Utils::readTimeZone PHP Method

    public static function readTimeZone()
    {
        if (is_readable($tz = '/etc/timezone')) {
            $lines = array_filter(file($tz), function ($line) {
                return !preg_match('/^#/', $line);
            });
            if (!empty($lines)) {
                return trim($lines[0]);
            }
        }
        return false;
    }

 public function configure()
 {
     // avoid warnings when web scraping possible malformed HTML from pecl
     if (extension_loaded('libxml')) {
         libxml_use_internal_errors(true);
     }
     // prevent execution time limit fatal error
     set_time_limit(0);
     // prevent warnings when timezone is not set
     date_default_timezone_set(Utils::readTimeZone() ?: 'America/Los_Angeles');
     // fix bold output so it looks good on light and dark terminals
     $this->getFormatter()->addStyle('bold', array('bold' => 1));
     $this->logger->levelStyles['warn'] = 'yellow';
     $this->logger->levelStyles['error'] = 'red';
 }