private static function setPrefix(array $config)
	{
		if(array_key_exists('prefix', $config))
		{
			static::$prefix = $config['prefix'];
		}

		// Route group prefix must be set or defined.
		if(is_null(static::$prefix))
		{
			throw new Exception(__CLASS__ . ': $prefix can not be null.');
		}
	}
private static function setPrefix(array $config)
	{
		if(array_key_exists('prefix', $config))
		{
			static::$prefix = $config['prefix'];
		}

		// Route group prefix must be set or defined.
		if(is_null(static::$prefix))
		{
			throw new Exception(__CLASS__ . ': $prefix can not be null.');
		}
	}
private static function setPrefix ( array $ config ) { if ( array_key_exists ( 'prefix' , $ config ) ) { static :: $ prefix = $ config [ 'prefix' ] ; } // Route group prefix must be set or defined. if ( is_null ( static :: $ prefix ) ) { throw new Exception ( __CLASS__ . ': $prefix can not be null.' ) ; } }
Set static prefix value.

@param  array $config
@return void
Set static prefix value .