shm_detach
(PHP 4, PHP 5, PHP 7)
shm_detach — Disconnects from shared memory segment
Description
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.
Parameters
-
shm -
A shared memory segment obtained from shm_attach().
Return Values
Returns true on success or false on failure.
Changelog
| Version | Description |
|---|---|
| 8.0.0 | shm expects a SysvSharedMemory instance now; previously, a resource was expected. |
See Also
- shm_attach() - Creates or open a shared memory segment
- shm_remove() - Removes shared memory from Unix systems
- shm_remove_var() - Removes a variable from shared memory
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https://www.php.net/manual/en/function.shm-detach.php