ThinkPHP framework is an open source PHP development framework suitable for rapid development of high-performance web applications. If you are developing using the ThinkPHP framework, then you may want to know how to check your system's ThinkPHP framework version. In this article, we will cover various methods to check the ThinkPHP framework version on your system.

Method 1: View the framework Readme file

In the root directory of the ThinkPHP framework, you can find a file named "README.md". This file contains some basic information about the current version. You can open this file to view the ThinkPHP framework version on your system.

Method 2: View ThinkPHP core files

Modern PHP applications often use Composer to manage dependencies, including the ThinkPHP framework. In your project, you can use Composer to view the versions of dependencies. You can also use a file browser to view the ThinkPHP framework version on your system. In the framework's directory, try to find the following files and directories:

1. ThinkPHP\library\think\Controller.php
2. ThinkPHP\library\think\Model.php

Open one of the files and look for the following line:

const?THINK_VERSION?=?'5.0.15';
const?THINK_RELEASE?=?'20190906';

Here you can see the version number on your system.

Method 3: View in the browser

If you want to know which version your application is running under, you can view it in the browser. This can be done by opening your application's page in a browser and looking for the following in the page:

<meta name="think-version" content="5.0.15" />

In this page you can see the ThinkPHP framework version number on your system.

Method 4: Use the command line to view

In the command line, you can directly view the version number of the framework. Please open a command prompt or terminal, go into your project directory, and use the following command:

php?think?-v

This will display your ThinkPHP framework version and some other basic information.

Summary

The above are four ways to check the ThinkPHP framework version in your system. You can choose any of the methods to determine the ThinkPHP framework version in your system. Either way, you'll find the version of the framework you're using and can reference the corresponding framework documentation during development. I wish you a happy use!

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