public static function f($message, $tags = array())
    {
		self::singleton()->log(self::FATAL_LEVEL, $message, self::addTrace($tags));
    }
public static function f($message, $tags = array())
    {
		self::singleton()->log(self::FATAL_LEVEL, $message, self::addTrace($tags));
    }
public static function f ( $ message , $ tags = array ( ) ) { self :: singleton ( ) -> log ( self :: FATAL_LEVEL , $ message , self :: addTrace ( $ tags ) ) ; }
fatal logs very severe error events that prevent the system to continue

@access public
@author Joel Bout, <joel.bout@tudor.lu>
@param  string $message
@param  array $tags
@return mixed
fatal logs very severe error events that prevent the system to continue