* @return $isFull Whether the stack is full
* @throws NoStackerException If given stack is missing
*/
- protected final function isStackFull ($stackerName) {
+ protected function isStackFull ($stackerName) {
// Is the stack not yet initialized?
if (!$this->isStackInitialized($stackerName)) {
// Throw an exception
* @return $isEmpty Whether the stack is empty
* @throws NoStackerException If given stack is missing
*/
- public final function isStackEmpty ($stackerName) {
+ public function isStackEmpty ($stackerName) {
// Is the stack not yet initialized?
if (!$this->isStackInitialized($stackerName)) {
// Throw an exception