最近好奇，接觸接觸PHP的socket編程，發現還是很好玩兒的。下面貼出來demo源碼跟大家分享

Server.php

<?php/*** PHP Socket Server* */ //確保客戶端連接時不會超時 error_reporting(0); set_time_limit(0); //設置地址與端口 $address = '127.0.0.1'; //服務端ip $port = 2046; //創建socket：AF_INET=是ipv4 如果用ipv6，則參數為 AF_INET6 ， SOCK_STREAM為socket的tcp類型，如果是UDP則使用SOCK_DGRAM $sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP) or die("socket_create() failed : ".socket_strerror(socket_last_error()). "\n"); //阻塞模式 socket_set_block($sock) or die("socket_set_block() failed : ".socket_strerror(socket_last_error()) ."\n");//綁定到socket端口 $result = socket_bind($sock, $address, $port) or die("socket_bind() failed : ". socket_strerror(socket_last_error()) . "\n"); //開始監聽 $result = socket_listen($sock, 4) or die("socket_listen() failed : ". socket_strerror(socket_last_error()) . "\n"); echo "OK\nBinding the socket on $address:$port ...\n"; echo "OK\nNow ready to accept connections.\nListening on the socket ...\n";do {//Never stop the daemon//它接收連接請求并調用一個子鏈接socket來處理客戶端和服務器間的信息$msgsock = socket_accept($sock) or die("sock_accept() failed : ". socket_strerror(socket_last_error()) . "\n");//讀取客戶端數據echo "Read client data \n";$buf = socket_read($msgsock, 8192);echo "Received msg : $buf \n";//數據傳輸，向客戶端寫入返回結果$msg = "welcome \n";socket_write($msgsock, $msg, strlen($msg)) or die("socket_write() failed : ". socket_strerror(socket_last_error()). "\n");//輸出返回到客戶端時，父/子socket都應通過socket_close來終止socket_close($msgsock); }while(true);socket_close($sock);

Client.php

<?php /*** php socket client* */error_reporting(0); set_time_limit(0);$host = '127.0.0.1'; $port = 2046;$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP) or die("Could not create socket.\n");$connection = socket_connect($socket, $host, $port) or die("Could not connect server.\n"); socket_write($socket, "Hello Socket!") or die("Write failed.\n"); while($buff = socket_read($socket, 1024, PHP_NORMAL_READ)) {echo "Response was : ". $buff . "\n"; }socket_close($socket);

總結

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