What specific (e.g., WordPress, Laravel, Magento) are you planning to run on PHP 7.4?
If you already have a modern XAMPP (PHP 8.x) but need to downgrade to for a specific project, follow this advanced manual swap.
Go to xampp/mysql/data/ and delete the aria_log_control file. Restart MySQL from the Control Panel. Managing Multiple PHP Versions Xampp With Php 7.4 -
If you run into a specific issue, the XAMPP community forums and Stack Overflow are excellent resources. With the right setup in place, you can confidently develop, test, and maintain your PHP 7.4 projects with efficiency and precision.
Same experience on Windows, macOS, and Linux (Linux users often prefer native LAMP, but XAMPP still works). What specific (e
For CI or heavy data processing, upgrade to PHP 8. For routine maintenance of old apps, 7.4 is fine.
PHP 7.4 is often considered the "sweet spot" for legacy applications. It bridges the gap between older PHP 5.x codebases and modern PHP 8.x standards. Restart MySQL from the Control Panel
Download the installer file ( .exe for Windows, .dmg for Mac). 2. Run the Installer Launch the downloaded installer.
For simultaneously running multiple PHP versions:
Want PHP 8.1? You’ll need a full XAMPP reinstall or hacky manual updates. Contrast with Laragon (Windows) or native package managers.
If you need PHP 7.4 for old projects but want PHP 8.x for new ones, you do not need to uninstall your current setup. Download a portable ZIP version of PHP 8.x. Extract it into your XAMPP folder as C:\xampp\php8 . Rename your original PHP 7.4 folder to C:\xampp\php74 .