public function GetMicrotime () {
		if ($this->microtime === NULL) $this->microtime = $this->globalServer['REQUEST_TIME_FLOAT'];
		return $this->microtime;
	}
public function GetMicrotime () {
		if ($this->microtime === NULL) $this->microtime = $this->globalServer['REQUEST_TIME_FLOAT'];
		return $this->microtime;
	}
public function GetMicrotime ( ) { if ( $ this -> microtime === NULL ) $ this -> microtime = $ this -> globalServer [ 'REQUEST_TIME_FLOAT' ] ; return $ this -> microtime ; }
Get timestamp in seconds as float, when the request has been started,
with microsecond precision.
@return float
Get timestamp in seconds as float when the request has been started with microsecond precision .