public function getArg($key='')
    {

        if(isset($this->args[$key])){
            return $this->args[$key];
        } else {
            return null;
        }
    }
public function getArg($key='')
    {

        if(isset($this->args[$key])){
            return $this->args[$key];
        } else {
            return null;
        }
    }
public function getArg ( $ key = '' ) { if ( isset ( $ this -> args [ $ key ] ) ) { return $ this -> args [ $ key ] ; } else { return null ; } }
Gets the event _args value for a specific key if passed
@param string $key the specific key to fetch
@return mixed Whatever value the key holds or the full array if no key is specified
Gets the event _args value for a specific key if passed