PHP - Manual: socket_cmsg_space
2024-11-13
(PHP 5 >= 5.5.0, PHP 7, PHP 8)
socket_cmsg_space — Calculate message buffer size
$level
, int $type
, int $num
= 0): ?intCalculates the size of the buffer that should be allocated for receiving the ancillary data.
本函数还未编写文档,仅有参数列表。
level
type
官方地址:https://www.php.net/manual/en/function.socket-cmsg-space.php