Merge pull request #898 from COil/brew-switch-examples

brew: examples for manual PHP version switch

Author: codeguy

_posts/01-04-01-Mac-Setup.md

@@ -17,6 +17,18 @@ brew install php@8.0
 
 You can switch between Homebrew PHP versions by modifying your `PATH` variable. Alternatively, you can use [brew-php-switcher][brew-php-switcher] to switch PHP versions automatically.
 
+You can also switch between PHP versions manually by unlinking and linking the wanted version:
+
+```
+brew unlink php
+brew link --overwrite php@7.4  
+```
+
+```
+brew unlink php
+brew link --overwrite php@8.0
+```
+
 ### Install PHP via Macports
 
 The [MacPorts] Project is an open-source community initiative to design an