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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                # Server->sendto [TOC] 向任意的客戶端`IP:PORT`發送`UDP`數據包。 函數原型: ~~~ bool Server->sendto(string $ip, int $port, string $data, int $server_socket = -1); ~~~ * `$ip`為`IPv4`或`IPv6`字符串,如`192.168.1.102`。如果`IP`不合法會返回錯誤 * `$port`為`1-65535`的網絡端口號,如果端口錯誤發送會失敗 * `$data`要發送的數據內容,可以是文本或者二進制內容 * `$server_socket`服務器可能會同時監聽多個UDP端口,此參數可以指定使用哪個端口發送數據包 > 必須監聽了`UDP`的端口,才可以使用向`IPv4`地址發送數據 > 必須監聽了`UDP6`的端口,才可以使用向`IPv6`地址發送數據 ## 示例 ~~~ //向IP地址為220.181.57.216主機的9502端口發送一個hello world字符串。 $server->sendto('220.181.57.216', 9502, "hello world"); //向IPv6服務器發送UDP數據包 $server->sendto('2600:3c00::f03c:91ff:fe73:e98f', 9501, "hello world"); ~~~
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