shm_put_var
PHP 4, PHP 5, PHP 7, PHP 8
shm_put_var - Inserts or updates a variable in shared memory
Manual
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. |