Socket request and receive examples

Client

error_reporting(E_ALL);
set_time_limit(0);
echo "

TCP/IP Connection

n";
$port = 1935;
$ip = "127.0.0.1";
/*
+----------------------------------
* * @socket connection entire process
+----------------------------------
* @socket_create
* @socket_connect
* @socket_write
* @socket_read
* @socket_close
+--------------------------------
*/
$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP );
if ($socket < 0) {
echo "socket_create() failed: reason: " . socket_strerror($socket) . "n";
}else {
echo "OK.n";
}
echo "Attempting to connect to '$ip' port '$port'...n";
$result = socket_connect($socket, $ip, $port);
if ($result < 0) {
echo "socket_connect() failed.nReason: ($result) " . socket_strerror($result) . "n";
}else {
   echo "Connect OKn";
}
$in = "Did you see our namern";
$out = '';
if(!socket_write($socket, $in, strlen($in))) {
  echo "socket_write() failed: reason: " . socket_strerror($socket) . "n";
}else {
echo "The information sent to the server was successfully sent! n";
}
while($out = socket_read($socket, 8192)) {
echo "The information sent back by the server was successfully received! n";
  echo "The accepted content is:",$out;
}
echo "Close SOCKET...n";
socket_close($socket);
echo "Close OKn";

?>

Server side

//Ensure that there will be no timeout when connecting to the client
set_time_limit(0);
$ip = '127.0.0.1';
$port = 1935;
/*
+--- ----------------------------
* @The whole process of socket communication
+------------- ------------------
* * @socket_create
* * @socket_bind
* * @socket_listen
* * @socket_accept
* * @socket_read
* * @socket_write
* * @socket_close
+-- ----------------------------------
*/
/*-------------- -- The following operations are in the manual -------------------*/
if(($sock = socket_create(AF_INET,SOCK_STREAM,SOL_TCP)) < 0) {
  echo "socket_create() failed because: ".socket_strerror($sock)."n";
}
if(($ret = socket_bind($sock,$ip,$port)) < 0) {
echo "socket_bind() failed because: ".socket_strerror($ret)."n";
}
if(($ret = socket_listen($sock,4)) < 0) {
echo "socket_listen( ) The reason for failure is: ".socket_strerror($ret)."n";
}
$count = 0;
do {
if (($msgsock = socket_accept($sock)) < 0) {
echo " Socket_accept () failed: release: ". Socket_Strerror ($ msgsock)." n ";
Break;
} else {
// See it to the client
$ msg =" See, your name is! n";
          socket_write($msgsock, $msg, strlen($msg)); bufn";
echo $talkback;
                                                                          _close($msgsock);
} while (true);
socket_close ($sock);
?>


The above introduces socket request and receive examples, including relevant aspects. I hope it will be helpful to friends who are interested in PHP tutorials.