php asynchronous processing-upload files

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// fsockopenpublic function testFsockeopen(){
        $cookie = $_COOKIE; 
        $url = 'http://localhost/jtzn/src/server/index.php/Admin/Station/submitimp'; //异步触发的文件地址
        $url_array = parse_url($url); //解析url
        $port = isset($url_array['port']) ? $url_array['port'] : 80;        
        $errno = '';        
        $errstr = '';        
        $timeout = 30;        
        $fp = fsockopen($url_array['host'], $port, $errno, $errstr, $timeout); //开启
        if (!$fp) {            
        return false;
        }        //模拟数据
        $boundary = "----" . substr(md5(time()), 8, 16);        
        $data     = "--$boundary\r\n";        
        foreach ($_FILES as $key => $file) {            
        $data .= "Content-Disposition: form-data; name=\"" . $key . "\"; filename=\"" . $file['name'] . "\"\r\n";            
        $data .= "Content-Type: " . $file['type'] . "\r\n\r\n";            
        $data .= file_get_contents($file['tmp_name']) . "\r\n";            
        $data .= "--$boundary--\r\n";
        }        //构建请求头
        $header  = "POST $url_array[path] HTTP/1.1\r\n";        
        $header .= "Host:$url_array[host]\r\n";        
        $header .= "Content-type:multipart/form-data; boundary=$boundary\r\n";        
        $header .= "Content-length:" . strlen($data) . "\r\n";        
        $_cookie = strval(NULL);        
        foreach ($cookie as $k => $v) {            
        $_cookie .= $k . "=" . $v;
        }        
        $cookie_str = "Cookie: " . $_cookie . " \r\n"; //传递Cookie用于登录验证
        $header .= $cookie_str;        
        $header .= "Connection:close\r\n\r\n";        
        $header .= $data;
        fwrite($fp, $header);        //不要接收服务器的返回 ，这样就不用等待了
        fclose($fp);        
        echo json_encode(['msg' => 'ok', 'info' => '已经发起申请']);
    }
    public function testCurl(){
        $url = 'http://localhost/jtzn/src/server/index.php/Admin/Station/submitimp';        
        $file = $_FILES['updataexcel2007'];        
        $post_data['updataexcel2007'] = curl_file_create(realpath($file['tmp_name']), $file['type'], $file['name']); //curl上传文件
        $ch = curl_init();        
        $cookie = $_COOKIE;        
        $_cookie = strval(NULL);        
        foreach ($cookie as $k => $v) {            
        $_cookie .= $k . "=" . $v;
        }
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);//执行结果是否被返回，0是返回，1是不返回
        curl_setopt($ch, CURLOPT_HEADER, 1);//参数设置，是否显示头部信息，1为显示，0为不显示
        //表单数据，是正规的表单设置值为非0
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_TIMEOUT, 1);
        curl_setopt($ch, CURLOPT_COOKIE, $_cookie); //登录验证
        curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
        curl_exec($ch);
        curl_close($ch);        
        echo json_encode(['msg' => 'ok', 'info' => '已经发起申请']);
    }

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