shm_put_var
(PHP 4, PHP 5, PHP 7)
shm_put_var — Inserts or updates a variable in shared memory
Description
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.
Parameters
-
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.
Return Values
Returns true on success or false on failure.
Changelog
| Version | Description |
|---|---|
| 8.0.0 | shm expects a SysvSharedMemory instance now; previously, a resource was expected. |
See Also
- shm_get_var() - Returns a variable from shared memory
- shm_has_var() - Check whether a specific entry exists
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.shm-put-var.php