shm_remove_var
(PHP 4, PHP 5, PHP 7)
shm_remove_var — 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_key
and 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。