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有点疑问，为什么加载控制器时用include失败，需要用include_once才可以

打算学习下swoole，写了一个http_server的测试，结果出现下面这个问题(每间隔一个正常请求就出错一次)：

[attach]72[/attach]

> PHP Fatal error:  Cannot declare class indexController, because the name is already in use in /home/qi/workspace/swoole-chat-demo/controllers/indexController.php on line 10
[2016-11-18 00:06:32 *75439.1]	ERROR	zm_deactivate_swoole (ERROR 103): Fatal error: Cannot declare class indexController, because the name is already in use in /home/qi/workspace/swoole-chat-demo/controllers/indexController.php on line 10.
[2016-11-18 00:06:32 $75435.0]	WARNING	swManager_check_exit_status: worker#1 abnormal exit, status=255, signal=0

代码如下：
{{{
<?php
    $http = new swoole_http_server("0.0.0.0",9501);
    $http->on('request',function($request,$response){
        ob_start();
        if($request->server['request_uri'] == '/favicon.ico'){
            echo file_get_contents('./favicon.ico');  
        }else{
            $route = trim($request->get['r']);
            $routeArr = explode('/',$route);
            $controllerName = $routeArr[0];
            $actionName = $routeArr[1];
            $controllerFile = './controllers/'.$controllerName.'Controller.php';
            $actionFullname = 'action'.ucfirst(strtolower($actionName));
            if(is_file($controllerFile)){
                include $controllerFile;
                $controllerClass = $controllerName.'Controller';
                $controller = new $controllerClass();
            $controller->$actionFullname();
            }
        }
        $content = ob_get_clean();
        $response->end($content);
    }); 
    $http->start();
}}}

然后下载看了下Swoole框架libs/Swoole/Swoole.php文件中使用的是require_once，把其中加载控制器的include改为include_once后，就好了；不过有点不明白，这里一个请求应该是只加载执行了一次吧，为什么用include不行呢？

发布于6年前 · 0 次浏览 · 来自提问

蓟

蓟羊毛

打算学习下swoole，写了一个http_server的测试，结果出现下面这个问题(每间隔一个正常请求就出错一次)：

[attach]72[/attach]