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Semaphore Functions

ftok msg_get_queue msg_queue_exists msg_receive msg_remove_queue msg_send msg_set_queue msg_stat_queue sem_acquire sem_get sem_release sem_remove shm_attach shm_detach shm_get_var shm_has_var shm_put_var shm_remove shm_remove_var

shm_remove_var

Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Removes a variable from shared memory
<?php shm_remove_var(SysvSharedMemory $shm, int $key): bool