(PECL pht >= 0.0.1)
The pht\Threaded interface is an internal interface used by the Inter-Thread Communication (ITC) data structures (pht\HashTable, pht\Queue, and pht\Vector). It allows those data structures to be threaded and ensures that the mutex locking API (pht\Threaded::lock() and pht\Threaded::unlock()) is implemented by each of the ITC data structures. It is not implementable by userland classes (since standalone mutex locks are not exposed).