/**
* Signal, that value is updated by external code.
*
* Should be used together with getRef()
*/
public function touch()
{
if ($this->_state == self::STORED) {
$this->_state = self::MODIFIED;
$this->_container->processUpdate();
}
}
/**
* ArrayAccess interface method
* Unset character at $offset position
*
* @param integer $offset
*/
public function offsetUnset($offset)
{
unset($this->_value[$offset]);
if ($this->_trace) {
$this->_trace = false;
$this->_container->processUpdate();
}
}
