shm_get_var
(PHP 4, PHP 5, PHP 7)
shm_get_var — Returns a variable from shared memory
Description
shm_get_var ( SysvSharedMemory $shm , int $key ) : mixed
shm_get_var() returns the variable with a given key, in the given shared memory segment. The variable is still present in the shared memory.
Parameters
-
shm -
A shared memory segment obtained from shm_attach().
-
key -
The variable key.
Return Values
Returns the variable with the given key.
Changelog
| Version | Description |
|---|---|
| 8.0.0 | shm expects a SysvSharedMemory instance now; previously, a resource was expected. |
See Also
- shm_has_var() - Check whether a specific entry exists
- shm_put_var() - Inserts or updates a variable in shared memory
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https://www.php.net/manual/en/function.shm-get-var.php