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

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

    See Also

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