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vendor/swoole/tests/include/api/swoole_callback/swoole_cannot_destroy_active_lambda_function.php

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+<?php
+
+// Cannot destroy active lambda swoole_function
+// 先用nc起一个 swoole_server
+// nc -4lk 9090
+
+send("hello", function($cli, $data) {
+    var_dump($data);
+    send("hello", function($cli, $data) {
+        var_dump($data);
+        send("hello", function($cli, $data) {
+            var_dump($data);
+        });
+    });
+});
+
+
+
+function send($str, $onRecv)
+{
+    static $client;
+
+    if ($client === null) {
+        $client = new \swoole_client(SWOOLE_SOCK_TCP, SWOOLE_SOCK_ASYNC);
+
+        $client->on("error", function($cli) { echo "error"; });
+        $client->on("close", function($cli) { echo "close"; });
+
+        $client->on("connect", function($cli) use($str, $onRecv) {
+            send($str, $onRecv);
+        });
+    }
+
+    // !!! Fatal error: Cannot destroy active lambda swoole_function
+    $client->on("receive", $onRecv);
+
+    if ($client->isConnected()) {
+        $client->send("PING");
+    } else {
+        $client->connect("127.0.0.1", 9090);
+    }
+}