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(PHP 4, PHP 5, PHP 7, PHP 8)

shm_detachDisconnects from shared memory segment


shm_detach(SysvSharedMemory $shm): bool

shm_detach() disconnects from the shared memory given by the shm created by shm_attach(). Remember, that shared memory still exist in the Unix system and the data is still present.



A shared memory segment obtained from shm_attach().

Return Values

Returns true on success or false on failure.


Version Description
8.0.0 shm expects a SysvSharedMemory instance now; previously, a resource was expected.

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