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): ?intCalculates 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
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