protected function _pop($pop)
{
if (isset($this->_mode)) {
throw new Mango_Exception('MongoDB cannot pop when already in :mode mode', array(':mode' => $this->_mode));
}
if (count($this) === 0) {
// nothing to pop/shift
return NULL;
}
$this->_mode = 'pop';
$this->_changed = $pop ? 1 : -1;
$offset = $pop ? count($this) - 1 : 0;
$value = $this->offsetGet($offset);
parent::offsetUnset($offset);
return $value;
}
public function offsetUnset($key)
{
if (isset($this->_counter)) {
throw new Mango_Exception('This Mango_Array is acting as a counter');
}
if ($this->offsetExists($key)) {
parent::offsetUnset($key);
$this->_changed[$key] = FALSE;
}
}
