shm_remove_var()
(PHP 4, PHP 5, PHP 7)
Removes a variable from shared memory
说明
shm_remove_var(resource $shm_identifier,int $variable_key): bool
Removes a variable with a given$variable_keyand frees the occupied memory.
参数
- $shm_identifier
The shared memory identifier as returned by shm_attach()
- $variable_key
The variable key.
返回值
成功时返回TRUE
,或者在失败时返回FALSE
。
参见
shm_remove()
Removes shared memory from Unix systems