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socket_cmsg_space

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

socket_cmsg_spaceCalculate 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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