shm_put_var
(PHP 4, PHP 5, PHP 7)
shm_put_var — Inserts or updates a variable in shared memory
说明
shm_put_var() inserts or updates the
variable with the given
variable_key.
Warnings (E_WARNING level) will be issued if
shm_identifier is not a valid SysV shared memory
index or if there was not enough shared memory remaining to complete your
request.
参数
-
shm_identifier -
A shared memory resource handle as returned by shm_attach()
-
variable_key -
The variable key.
-
variable -
The variable. All variable types that serialize() supports may be used: generally this means all types except for resources and some internal objects that cannot be serialized.
返回值
成功时返回 TRUE， 或者在失败时返回 FALSE。
参见
- shm_get_var() - Returns a variable from shared memory
- shm_has_var() - Check whether a specific entry exists