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HomePHP FrameworkSwooleLearn what swoole is in one article

Learn what swoole is in one article

1. What is swoole

Swoole is an asynchronous, parallel, high-performance network communication engine for PHP, using Written in pure C language, it provides asynchronous multi-threaded server in PHP language, asynchronous TCP/UDP network client, asynchronous MySQL, asynchronous Redis, database connection pool, AsyncTask, message queue, millisecond timer, asynchronous file reading and writing, asynchronous DNS query . swoole has built-in Http/WebSocket server/client and Http2.0 server.

Swoole is an extension of PHP, focusing on high-performance network programming extensions. Since the extension is written in C language, the performance will be much faster than the framework implemented by PHP. And because the internal implementation of swoole provides PHP with more flexibility than Apache PHP.

swoole is not a framework like Zend Framework, CakePHP, Yii, symfony, ThinkPHP, etc., nor is it a project on par with open source products such as WordPress, Drupal, Discuz, UChome, etc. Swoole's goal is to challenge first-class frameworks such as Java frameworks, Ruby On Rails, Python DjangoPylons, etc.

Running environment: Linux Windows Mac FreeBSD Unix

PHP version support: PHP5.3

Supported databases: MS SQL Server, MySQL, IBM DB2, Oracle, Interbase, SQLite, PostgreSQL, ODBC

Supported running modes: Web, Cli command line script, PHP-GTK GUI.

2. The official website introduction is:

swoole is an asynchronous, parallel, high-performance network communication engine for PHP. It is written in pure C language and provides PHP Language asynchronous multi-threaded server, asynchronous TCP/UDP network client, asynchronous MySQL, asynchronous Redis, database connection pool, AsyncTask, message queue, millisecond timer, asynchronous file reading and writing, asynchronous DNS query. Swoole has built-in Http/WebSocket server/client and Http2.0 server.

Friendly link: http://www.swoole.com/

3. swoole operating mechanism:

Before systematic learning of swoole , first let’s talk about the principle and mechanism of swoole. I think if you know it, you will have a general understanding of it.

Although swoole is a standard PHP extension, it is actually different from ordinary extensions. Ordinary extensions just provide a library function. The swoole extension will take over control of PHP and enter the event loop after running. When an IO event occurs, swoole will automatically call back the specified PHP function.

In other words, swoole is nginx wrapped in PHP, and a large number of functions are implemented in C. In fact, the calling of some functions has nothing to do with PHP. It is just a pure glue. All functions are implemented in C, and then the execution is completed and then called back to PHP.

So, you are equivalent to using PHP syntax to write the underlying C service. You do not need to understand the underlying implementation logic. It is enough that you can use PHP, nice;

Learn what swoole is in one article

4. Function library provided by swoole:

Let’s talk about what functions swoole provides for us and what services we use, we can use swoole Come help us make it happen.

[X] http service, write a simple web server.

[X] TCP/UDP service, write a message acceptance and processing system.

[X] Asynchronous, can process requests asynchronously.

[X] Concurrency, the same business logic can be processed concurrently.

[X] socket, socket communication processing technology.

[X] Millisecond level timer can be used in php.

[X] Coroutines are more stable and easier to use than threads.

If the above features are used in your business and you are using PHP, then you can use swoole to complete it.

5. swoole application:

Swoole can be widely used in the Internet, mobile communications, enterprise software, cloud computing, online games, Internet of Things (IOT), and Internet of Vehicles , smart home and other fields. Using PHP Swoole as a network communication framework can greatly improve the efficiency of enterprise IT R&D teams and focus more on developing innovative products.

PHP Chinese website, a large number of free swoole introductory tutorials, welcome to learn online!

The above is the detailed content of Learn what swoole is in one article. For more information, please follow other related articles on the PHP Chinese website!

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