


PHP development environment setup: multi-version PHP switching method
Jun 29, 2025 am 01:39 AMIn response to the problem of switching environments of multi-version PHP, the following three solutions are recommended: 1. Use PHPBrew for Linux/macOS, install the version through phpbrew install, switch the version by phpbrew use, and configure environment variables; 2. Windows uses XAMPP with multiple PHP directories to modify the PHPIniDir in httpd.conf to point to the corresponding version and adjust the system PATH; 3. Use Docker across platforms, specify different PHP images in docker-compose.yml to achieve environmental isolation. The above methods are applicable to different operating systems and usage scenarios, and are simple to operate and can effectively improve development efficiency.
When building a PHP development environment, you often need to switch between multiple PHP versions. For example, some old projects can only run on PHP 5.6, while new projects may use PHP 8.1. At this time, if you have to manually change the configuration or reinstall PHP every time, the efficiency will be too low. In fact, just a little setting can enable quick switching of multiple versions of PHP.

Using PHPBrew (for Linux/macOS)
PHPBrew is a PHP multi-version management tool designed specifically for Linux and macOS users, a bit like the nvm of Node.js. It allows you to install multiple PHP versions in one system and switch at any time.

- Installing PHPBrew is simple, you just need to download and configure environment variables through curl or wget.
- After installation, you can use
phpbrew install
to install different versions of PHP, such asphpbrew install 7.4 default
. - To switch versions, only one line of command is required:
phpbrew use 7.4
orphpbrew use 8.1
.
Note: PHP installed with PHPBrew will not be automatically added to the global PATH by default. You need to confirm whether the current shell has loaded the correct path. If you use Oh My Zsh or similar plugin, consider adding phpbrew init
to your .zshrc
or .bashrc
file.
It is recommended to use XAMPP multi-PHP directory on Windows
Although there is no PHPBrew on Windows, you can use XAMPP and manual configuration to achieve multi-version switching.

XAMPP comes with a PHP directory, which we can replace with different versions of PHP decompression packages. The specific operations are as follows:
- Prepare multiple PHP versions (such as php-7.4, php-8.1) and can be downloaded from windows.php.net .
- Modify the
httpd.conf
file of XAMPP, find thePHPIniDir
line, and point to the PHP version directory you want to use. - If you are executing PHP scripts using the command line, you also need to modify the PATH in the system environment variables to point to the version of PHP you want to use.
The advantage of this method is that you don’t need to restart the service frequently, you just need to change the configuration and restart Apache to take effect. The disadvantage is that it is a bit troublesome to manually change the path every time, and it is suitable for users who do not pursue automation.
Quickly build an isolated environment with Docker (cross-platform)
If you have a certain understanding of container technology, Docker is a very convenient choice. It can create an independent operating environment for each project without interfering with each other.
For example, you can write different docker-compose.yml
files for different projects and specify their respective PHP versions. When starting, run the corresponding service directly, and there is no need to change the PHP settings on the local machine.
# Example: PHP 7.4 service services: app: image: php:7.4-cli
# Example: PHP 8.1 service services: app: image: php:8.1-cli
In this way, if you run docker-compose run
in different project directories, you can use the corresponding PHP version. This approach is particularly suitable for scenarios where team collaboration and deployment consistency requirements are high.
Basically these are the methods
The above methods have applicable scenarios: PHPBrew is recommended for Linux/macOS; Windows can use XAMPP with multiple PHP directories; if you want to be more flexible, Docker is a good choice. Each method has some small details to pay attention to, but it is not complicated. The key is to choose the right tool according to your own development habits.
The above is the detailed content of PHP development environment setup: multi-version PHP switching method. For more information, please follow other related articles on the PHP Chinese website!

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