Php/docs/function.shm-put-var

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shm_put_var

(PHP 4, PHP 5, PHP 7)

shm_put_varInserts or updates a variable in shared memory


说明

shm_put_var ( SysvSharedMemory $shm , int $key , mixed $value ) : bool

shm_put_var() inserts or updates the value with the given key.

Warnings (E_WARNING level) will be issued if shm is not a valid SysV shared memory index or if there was not enough shared memory remaining to complete your request.


参数

shm
A shared memory segment obtained from shm_attach().
key
The variable key.
value
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


更新日志

版本 说明
8.0.0 shm expects a SysvSharedMemory

instance now; previously, a resource was expected.


参见