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vendor/swoole/examples/udp/async_client.php

@@ -0,0 +1,23 @@
+<?php
+$client = new swoole_client(SWOOLE_SOCK_UDP, SWOOLE_SOCK_ASYNC); //异步非阻塞
+
+$client->on("connect", function(swoole_client $cli) {
+    echo "connected\n";
+    $cli->send("hello world\n");
+});
+
+$client->on('close', function($cli){
+    echo "closed\n";
+});
+
+$client->on('error', function($cli){
+    echo "error\n";
+});
+
+$client->on("receive", function(swoole_client $cli, $data){
+	echo "received: $data\n";
+	sleep(1);
+	$cli->send("hello_".rand(1000,9999));
+});
+
+$client->connect('127.0.0.1', 9502, 0.5);