Semaphore Functions
PHP Manual

shm_remove_var

Removes a variable from shared memory

Description

bool shm_remove_var(SysvSharedMemory $shm, int $key)

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

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

See Also

  • shm_remove