public function current()
    {
        $sKey = key($this->values);

        return (true === isset($this->values[$sKey])) ? $this->values[$sKey] : null;
    }
public function current()
    {
        $sKey = key($this->values);

        return (true === isset($this->values[$sKey])) ? $this->values[$sKey] : null;
    }
public function current ( ) { $ sKey = key ( $ this -> values ) ; return ( true === isset ( $ this -> values [ $ sKey ] ) ) ? $ this -> values [ $ sKey ] : null ; }
returns current value

@return mixed
returns current value