function getNamed ($stackerName);
/**
- * Checks wether the given stack is initialized (set in array $stackers)
+ * Checks whether the given stack is initialized (set in array $stackers)
*
* @param $stackerName Name of the stack
- * @return $isInitialized Wether the stack is initialized
+ * @return $isInitialized Whether the stack is initialized
*/
function isStackInitialized ($stackerName);
/**
- * Checks wether the given stack is empty
+ * Checks whether the given stack is empty
*
* @param $stackerName Name of the stack
- * @return $isEmpty Wether the stack is empty
+ * @return $isEmpty Whether the stack is empty
* @throws NoStackerException If given stack is missing
*/
function isStackEmpty ($stackerName);