/**
* Extend an action by appending additional logic
*
* Note that this modifies the original action as opposed to creating a new action.
* The action returned will be the same one you called `extend()` on but will have a
* modified operation and dependencies.
*
* @access public
* @param ActionInterface $action The action with which to extend this one
* @return Action the extended action
*/
public function extend(ActionInterface $action)
{
$principal = $this->getOperation();
$extension = $action->getOperation();
$this->dependencies = array_unique(array_merge($this->getDependencies(), $action->getDependencies()));
$this->operation = function () use($principal, $extension) {
call_user_func_array($principal, func_get_args());
call_user_func_array($extension, func_get_args());
};
return $this;
}
