public function key()
    {
        $i = 0;
        foreach ($this->arguments as $key => $value) {
            if ($i == $this->iteratorPosition) {
                return $key;
            }
            ++$i;
        }
    }
public function key()
    {
        $i = 0;
        foreach ($this->arguments as $key => $value) {
            if ($i == $this->iteratorPosition) {
                return $key;
            }
            ++$i;
        }
    }
public function key ( ) { $ i = 0 ; foreach ( $ this -> arguments as $ key => $ value ) { if ( $ i == $ this -> iteratorPosition ) { return $ key ; } ++ $ i ; } }
Returns the current position of iterator

@author Benjamin Carl <opensource@clickalicious.de>
@return integer Current position of the iterator
@access public
Returns the current position of iterator