socket_cmsg_space

PHP 5 >= 5.5.0, PHP 7, PHP 8
socket_cmsg_space - Calculate message buffer size
Manual

socket_cmsg_space( int$level, int$type, [int$num = 0] ): int|null

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

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