Php/docs/function.shm-detach
来自菜鸟教程
shm_detach
(PHP 4, PHP 5, PHP 7)
shm_detach — Disconnects from shared memory segment
说明
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.
返回值
成功时返回 true， 或者在失败时返回 false。
更新日志
| 版本 | 说明 |
|---|---|
| 8.0.0 | shm expects a SysvSharedMemory
instance now; previously, a resource was expected. |
参见
- 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
