PHP Manual . Prev . Next . PHP 4 >= 4.0.4) shmop_delete -- Delete shared memory block . int shmop_delete ( int shmid) . shmop_delete() is used to delete a shared memory block. shmop_delete() takes the shmid, which is the shared memory block identifier created by shmop_open() . ... Example 1. Deleting shared memory block . php shmop_delete($shm_id); ?> This example will delete shared memory block identified by $shm_id . ...