public function start() {
		if ($this->_started === true) {
			throw new Exception('The event already been started');
		}
		
		$this->_startTime   = microtime(true);
		$this->_startMemory = memory_get_usage();
		$this->_started     = true;
	}
public function start() {
		if ($this->_started === true) {
			throw new Exception('The event already been started');
		}
		
		$this->_startTime   = microtime(true);
		$this->_startMemory = memory_get_usage();
		$this->_started     = true;
	}
public function start ( ) { if ( $ this -> _started === true ) { throw new Exception ( 'The event already been started' ) ; } $ this -> _startTime = microtime ( true ) ; $ this -> _startMemory = memory_get_usage ( ) ; $ this -> _started = true ; }
Start the event
Start the event