shm_get_var

(PHP 4, PHP 5, PHP 7, PHP 8)

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

VersionDescription
8.0.0shm expects a SysvSharedMemory instance now; previously, a resource was expected.

See Also