Repris d’un site dédié à XAMPP, à adapter :

• Download Xdebug for the specific PHP version:
  • PHP 8.0 (64-Bit): https://xdebug.org/files/php_xdebug-3.2.0-8.0-vs16-x86_64.dll
  • PHP 8.1 (64-Bit): https://xdebug.org/files/php_xdebug-3.2.0-8.1-vs16-x86_64.dll
  • PHP 8.2 (64-Bit): https://xdebug.org/files/php_xdebug-3.2.0-8.2-vs16-x86_64.dll
• Move the downloaded dll file to: C:\xampp\php\ext
• Rename the dll file to: php_xdebug.dll
• Open the file C:\xampp\php\php.ini with Notepad++
• Disable output buffering: output_buffering = Off
• Scroll down to the [XDebug] section (or create it) and copy/paste these lines:

[XDebug]
zend_extension=xdebug
xdebug.mode=debug
xdebug.start_with_request=trigger

• Restart Apache