}
/**
- * Get the result of the work (whatever it is), or false.
+ * Get the result of the work (whatever it is), or the result of the error() function.
+ * This returns the result of the first applicable method that returns a non-false value,
+ * where the methods are checked in the following order:
+ * - a) doWork() : Applies if the work is exclusive or no another process
+ * is doing it, and on the condition that either this process
+ * successfully entered the pool or the pool counter is down.
+ * - b) doCachedWork() : Applies if the work is cacheable and this blocked on another
+ * process which finished the work.
+ * - c) fallback() : Applies for all remaining cases.
+ * If these all fall through (by returning false), then the result of error() is returned.
+ *
* @param $skipcache bool
- * @return bool|mixed
+ * @return mixed
*/
public function execute( $skipcache = false ) {
if ( $this->cacheable && !$skipcache ) {