<?php
//端口
$serverPort = 1234;
//在指定端口创建socket连接监听(加@可以屏蔽错误)
$socket = @socket_create_listen($serverPort);
if(!$socket){
print "创建socket监听失败!请检查$serverPort端口是否已被占用!/n";
exit;
}
while(true){
//接收请求
$client = socket_accept($socket);
$welcome = "/nWelmome to the My Socket Server./nType'!exit' to close this connection,or type '!die' tohalt whe serer./n";
//回应给客户端
socket_write($client,$welcome);
while(true){
//读取请求信息
$input = trim(socket_read($client,256));
if($input == 'exit'){
break;
}
if($input == 'die'){
socket_close($client);
break 2;
}
//将字符转为大写
$output = strtoupper($input)."/n";
//回应给客户端
socket_write($client,$output);
echo $input."/n";
}
socket_close($client);
}
socket_close($socket);
//完