本文实例讲述了php异步多线程swoole用法。分享给大家供大家参考。具体分析如下:
swoole重新定义PHP语言的高性能网络通信框架,提供了PHP语言的异步多线程服务,下面的实例就可以证实这一功能。
一般来说,Swoole提供了PHP语言的异步多线程服务器,异步TCP/UDP网络客户端,异步MySQL,数据库连接池,AsyncTask,消息队列,毫秒定时器,异步文件读写,异步DNS查询.
swoole以前听过, 拿来做游戏服务器简直是神器…今天稍微的感受了一下, 在 ubuntu 下搭建了环境, 测试了一下
具体测试代码如下:
代码如下:
class page extends Controller
{
function index()
{
$data = createModel('UserInfo')->get(12)->get();
$this->swoole->tpl->assign('data',$data);
$html = $this->swoole->tpl->fetch('test.html');
$time = $this->showTime();
return $html.$time;
}
}
shell
ab -c 100 -n 1000 -k http://127.0.0.1/index/
Requests per second
Time per request (mean)
Time per request (mean, across all concurrent requests)
运行方式:
Swoole EventTCP Swoole SelectTCP Swoole BlockTCP Apache/Prefork
单进程
571.70 [#/sec] 174.916 [ms] 1.749 [ms] 659.01 [#/sec]
151.743 [ms]
1.517 [ms]
561.24 [#/sec]
178.178 [ms]
1.782
80.57
1241.083 [ms]
12.411 [ms]
4进程
1153.63 [#/sec]
86.683 [ms]
0.867 [ms]
1010.08 [#/sec]
99.002 [ms]
0.990 [ms]
1094.58 [#/sec]
91.359 [ms]
0.914 [ms]
apache下居然也有这么好的效率, 留个爪子.以后好用。
希望本文所述对大家的PHP程序设计有所帮助。

PHP is used to build dynamic websites, and its core functions include: 1. Generate dynamic content and generate web pages in real time by connecting with the database; 2. Process user interaction and form submissions, verify inputs and respond to operations; 3. Manage sessions and user authentication to provide a personalized experience; 4. Optimize performance and follow best practices to improve website efficiency and security.

PHP uses MySQLi and PDO extensions to interact in database operations and server-side logic processing, and processes server-side logic through functions such as session management. 1) Use MySQLi or PDO to connect to the database and execute SQL queries. 2) Handle HTTP requests and user status through session management and other functions. 3) Use transactions to ensure the atomicity of database operations. 4) Prevent SQL injection, use exception handling and closing connections for debugging. 5) Optimize performance through indexing and cache, write highly readable code and perform error handling.

Using preprocessing statements and PDO in PHP can effectively prevent SQL injection attacks. 1) Use PDO to connect to the database and set the error mode. 2) Create preprocessing statements through the prepare method and pass data using placeholders and execute methods. 3) Process query results and ensure the security and performance of the code.

PHP and Python have their own advantages and disadvantages, and the choice depends on project needs and personal preferences. 1.PHP is suitable for rapid development and maintenance of large-scale web applications. 2. Python dominates the field of data science and machine learning.

PHP is widely used in e-commerce, content management systems and API development. 1) E-commerce: used for shopping cart function and payment processing. 2) Content management system: used for dynamic content generation and user management. 3) API development: used for RESTful API development and API security. Through performance optimization and best practices, the efficiency and maintainability of PHP applications are improved.

PHP makes it easy to create interactive web content. 1) Dynamically generate content by embedding HTML and display it in real time based on user input or database data. 2) Process form submission and generate dynamic output to ensure that htmlspecialchars is used to prevent XSS. 3) Use MySQL to create a user registration system, and use password_hash and preprocessing statements to enhance security. Mastering these techniques will improve the efficiency of web development.

PHP and Python each have their own advantages, and choose according to project requirements. 1.PHP is suitable for web development, especially for rapid development and maintenance of websites. 2. Python is suitable for data science, machine learning and artificial intelligence, with concise syntax and suitable for beginners.

PHP is still dynamic and still occupies an important position in the field of modern programming. 1) PHP's simplicity and powerful community support make it widely used in web development; 2) Its flexibility and stability make it outstanding in handling web forms, database operations and file processing; 3) PHP is constantly evolving and optimizing, suitable for beginners and experienced developers.


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