sminnee / silverstripe-framework

	 *

	 * @return bool

	 */

	public static function isDev() {

		// Check session

		if ($env = self::session_environment()) return $env === 'dev';

		// Check config

		if (Config::inst()->get('SilverStripe\Control\Director', 'environment_type') === 'dev') return true;

		// Check if we are running on one of the test servers

		$devServers = (array)Config::inst()->get('SilverStripe\Control\Director', 'dev_servers');

		if (isset($_SERVER['HTTP_HOST']) && in_array($_SERVER['HTTP_HOST'], $devServers))  {

			return true;

		}

		return false;

	}

	/**

	 * This function will return true if the site is in a test environment. For information about

	 *

	 * @return bool

	 */

	public static function isTest() {

		// In case of isDev and isTest both being set, dev has higher priority

		if (self::isDev()) return false;

		// Check saved session

		if ($env = self::session_environment()) return $env === 'test';

		// Check config

		if (Config::inst()->get('SilverStripe\Control\Director', 'environment_type') === 'test') return true;

		// Check if we are running on one of the test servers

		$testServers = (array)Config::inst()->get('SilverStripe\Control\Director', 'test_servers');

		if (isset($_SERVER['HTTP_HOST']) && in_array($_SERVER['HTTP_HOST'], $testServers))  {

			return true;

		}

		return false;

	}

	/**

	 * Check or update any temporary environment specified in the session.