socket_recvmsg

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

socket_recvmsg — Read a message

Description

socket_recvmsg(Socket $socket, array &$message, int $flags = 0): int|false

Warning

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

Parameters

socket
message
flags

Return Values

Changelog

Version	Description
8.0.0	`socket` is a Socket instance now; previously, it was a resource.

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User Contributed Notes 1 note

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251701981 at qq dot com ¶

2 years ago

$sockets = [];        \socket_create_pair(AF_UNIX,SOCK_DGRAM,0,$sockets);        $proc = new \Swoole\Process(function()use($sockets){            socket_close($sockets[0]);            $f = fopen(__FILE__,'r');            var_dump($f);            socket_sendmsg($sockets[1],[ 'control'=>[['level'=>SOL_SOCKET,'type'=>SCM_RIGHTS,'data'=>[$f]] ] ],0);            sleep(10);        },false,2,1);        $proc->start();        socket_close($sockets[1]);        $data = [            'controllen'=>socket_cmsg_space(SOL_SOCKET,SCM_RIGHTS,1)        ];        socket_recvmsg($sockets[0],$data,0);        var_dump($data);        sleep(10);