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shm_detach — Disconnects from shared memory segment
$shm_identifier
) shm_detach() disconnects from the shared memory given
by the shm_identifier
created by
shm_attach() . Remember, that shared memory still exist
in the Unix system and the data is still present.
shm_identifier
A shared memory resource handle as returned by shm_attach()
shm_detach() always returns TRUE
.