socket_cmsg_space

    (PHP 5 >= 5.5.0, PHP 7, PHP 8)

    socket_cmsg_space — Calculate message buffer size

    Description

    socket_cmsg_space(int $level, int $type, int $num = 0): ?int

    Calculates the size of the buffer that should be allocated for receiving the ancillary data.

    Warning

    This function is currently not documented; only its argument list is available.

    Parameters

    level

    type

    Return Values

    See Also

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