src/log4php/LoggerLoggingEvent.php
public static function getStartTime() {
		if(!isset(self::$startTime)) {
			self::$startTime = microtime(true);
		}
		return self::$startTime; 
	}
public static function getStartTime() {
		if(!isset(self::$startTime)) {
			self::$startTime = microtime(true);
		}
		return self::$startTime; 
	}
Returns the time when the application started, as a UNIX timestamp
with microseconds.
@return float