public function timeStart()
    {
        $now = explode(" ", microtime());
        $this->startTime = $now[1] + $now[0];

        return $this->startTime;
    }
public function timeStart()
    {
        $now = explode(" ", microtime());
        $this->startTime = $now[1] + $now[0];

        return $this->startTime;
    }
public function timeStart ( ) { $ now = explode ( " " , microtime ( ) ) ; $ this -> startTime = $ now [ 1 ] + $ now [ 0 ] ; return $ this -> startTime ; }
Run time start

@return number
Run time start