(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)
sem_remove — Remove a semaphore
sem_remove() removes the given semaphore.
After removing the semaphore, it is no longer accessible.
   Returns true on success or false on failure.
  
| Version | Description | 
|---|---|
| 8.0.0 | semaphoreexpects a SysvSemaphore
        instance now; previously, a resource was expected. |