public function getIterator()
{
return new ArrayIterator($this->attributes);
}
public function offsetExists($offset)
{
return (isset($this->attributes[$offset]));
}
public function offsetSet($offset,$value)
{
$this->attributes[$offset] = $value;
}
public function offsetGet($offset)
{
return $this->attributes[$offset];
}
public function offsetUnset($offset)
{
unset($this->attributes[$offset]);
}