shm_remove_var

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

shm_remove_var — Removes a variable from shared memory

Description

shm_remove_var(SysvSharedMemory $shm, int $key): bool

Removes a variable with a given key and frees the occupied memory.

Parameters

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

Return Values

Returns true on success or false on failure.

Changelog

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

See Also