public function tic($flag = self::RESET_COUNTER)
    {
        $this->start = microtime(true);
        if ($flag) {
            $this->count = 0;
        }
    }
public function tic($flag = self::RESET_COUNTER)
    {
        $this->start = microtime(true);
        if ($flag) {
            $this->count = 0;
        }
    }
public function tic ( $ flag = self :: RESET_COUNTER ) { $ this -> start = microtime ( true ) ; if ( $ flag ) { $ this -> count = 0 ; } }
Starts timer.
@param  int $flag self::RESET_COUNTER|self::KEEP_COUNTER
@return void
Starts timer .