core-bundle/src/Resources/contao/classes/Backend.php
public static function getTheme()
	{
		$theme = Config::get('backendTheme');
		$rootDir = System::getContainer()->getParameter('kernel.project_dir');

		if ($theme != '' && $theme != 'flexible' && is_dir($rootDir . '/system/themes/' . $theme))
		{
			return $theme;
		}

		return 'flexible';
	}
public static function getTheme()
	{
		$theme = Config::get('backendTheme');
		$rootDir = System::getContainer()->getParameter('kernel.project_dir');

		if ($theme != '' && $theme != 'flexible' && is_dir($rootDir . '/system/themes/' . $theme))
		{
			return $theme;
		}

		return 'flexible';
	}
public static function getTheme ( ) { $ theme = Config :: get ( 'backendTheme' ) ; $ rootDir = System :: getContainer ( ) -> getParameter ( 'kernel.project_dir' ) ; if ( $ theme != '' && $ theme != 'flexible' && is_dir ( $ rootDir . '/system/themes/' . $ theme ) ) { return $ theme ; } return 'flexible' ; }
Return the current theme as string

@return string The name of the theme
Return the current theme as string