There are two main tools to manage PHP versions on MacOS:

1. ASDF Version Manager

ASDF allows managing multiple language versions including PHP. Follow the installation guide at:

• Installing PHP with ASDF on MacOS Catalina

2. PHPBrew

PHPBrew is specifically designed for PHP version management. Installation guide available at:

• PHPBrew Official Documentation

Apache Configuration

For Apache setup with multiple PHP versions, refer to:

• MacOS Monterey Apache Multiple PHP Versions Setup