public function offsetExists($offset)
    {
        return $this->getAccessor($offset) || $this->getAccessorForLanguageField($offset)
            ? true : isset($this->fields[$offset]);
    }
public function offsetExists($offset)
    {
        return $this->getAccessor($offset) || $this->getAccessorForLanguageField($offset)
            ? true : isset($this->fields[$offset]);
    }
public function offsetExists ( $ offset ) { return $ this -> getAccessor ( $ offset ) || $ this -> getAccessorForLanguageField ( $ offset ) ? true : isset ( $ this -> fields [ $ offset ] ) ; }
Exists method for ArrayIterator.

@param $offset

@return bool
Exists method for ArrayIterator .