PHP套接字已连接，但未读取数据 $socket=socket\u create（AF\u INET，SOCK\u DGRAM，0）； socket_set_选项（$socket，SOL_socket，SO_RCVTIMEO，array（“sec”=>2，“usec”=>0））； $result=socket\u connect（$socket，$this->ip，$this->port）； 如有,请致电:； $server['port']=$this->port； $server['name']=$queryData[0]； $server['map']=$queryData[1]； $server['game']=$queryData[2]； $server['description']=$queryData[3]； $packet=$queryData[4]； //$app_id=array_pop（解包（“S”，substr（$packet，0，2））； $server['players']=ord（substr（$packet，2，1））； $server['playersmax']=ord（substr（$packet，3，1））； $server['bots']=ord（substr（$packet，4，1））； $server['dedicated']=substr（$packet，5，1）； $server['os']=substr（$packet，6，1）； $server['password']=ord（substr（$packet，7，1））； $server['vac']=ord（substr（$packet，8，1））； $this->info=$server； 回声“； $socket = socket_create(AF_INET, SOCK_DGRAM, 0); socket_set_option($socket,SOL_SOCKET, SO_RCVTIMEO, array("sec"=>2, "usec"=>0)); $result = socket_connect($socket, $this->ip, $this->port); if($result <= 0) { echo "connect() failed.\nReason: ($result) \n"; } $data = "\xFF\xFF\xFF\xFF\x54\x53\x6F\x75\x72\x63\x65\x20\x45\x6E\x67\x69\x6E\x65\x20\x51\x75\x65\x72\x79\x00"; socket_write($socket, $data, strlen($data)); $out = socket_read($socket, 4096); socket_close($socket); if($out == null ){ echo 'data null'; } else { $queryData = explode("\x00", substr($out, 6), 5); $server['ip'] = $this->ip; $server['port'] = $this->port; $server['name'] = $queryData[0]; $server['map'] = $queryData[1]; $server['game'] = $queryData[2]; $server['description'] = $queryData[3]; $packet = $queryData[4]; //$app_id = array_pop(unpack("S", substr($packet, 0, 2))); $server['players'] = ord(substr($packet, 2, 1)); $server['playersmax'] = ord(substr($packet, 3, 1)); $server['bots'] = ord(substr($packet, 4, 1)); $server['dedicated'] = substr($packet, 5, 1); $server['os'] = substr($packet, 6, 1); $server['password'] = ord(substr($packet, 7, 1)); $server['vac'] = ord(substr($packet, 8, 1)); $this->info = $server; echo "<pre>"; print_r($queryData); echo "</pre>"; } //error_reporting($oldErrorReporting); 打印（查询数据）； 回声“； $socket = socket_create(AF_INET, SOCK_DGRAM, 0); socket_set_option($socket,SOL_SOCKET, SO_RCVTIMEO, array("sec"=>2, "usec"=>0)); $result = socket_connect($socket, $this->ip, $this->port); if($result <= 0) { echo "connect() failed.\nReason: ($result) \n"; } $data = "\xFF\xFF\xFF\xFF\x54\x53\x6F\x75\x72\x63\x65\x20\x45\x6E\x67\x69\x6E\x65\x20\x51\x75\x65\x72\x79\x00"; socket_write($socket, $data, strlen($data)); $out = socket_read($socket, 4096); socket_close($socket); if($out == null ){ echo 'data null'; } else { $queryData = explode("\x00", substr($out, 6), 5); $server['ip'] = $this->ip; $server['port'] = $this->port; $server['name'] = $queryData[0]; $server['map'] = $queryData[1]; $server['game'] = $queryData[2]; $server['description'] = $queryData[3]; $packet = $queryData[4]; //$app_id = array_pop(unpack("S", substr($packet, 0, 2))); $server['players'] = ord(substr($packet, 2, 1)); $server['playersmax'] = ord(substr($packet, 3, 1)); $server['bots'] = ord(substr($packet, 4, 1)); $server['dedicated'] = substr($packet, 5, 1); $server['os'] = substr($packet, 6, 1); $server['password'] = ord(substr($packet, 7, 1)); $server['vac'] = ord(substr($packet, 8, 1)); $this->info = $server; echo "<pre>"; print_r($queryData); echo "</pre>"; } //error_reporting($oldErrorReporting); } //错误报告（$oldErrorReporting）；

这段代码在我的旧服务器（centos+php5+apache2）上运行； 在转移到另一台服务器（ubuntu+php5+apache2）后，它停止工作

当问题不在于设置php（它在套接字支持上），而是他根本没有收到请求，尽管没有连接错误，他背叛了。 在可能的原因中，我认为使用外部ip访问服务套接字是一个问题，但我不知道如何解决它。 提前感谢您的回答