Upgrade to PHP 8.x.0-dev with Homebrew on Mac

Now, PHP 8.0.0 Release Candidate 4 available for testing, It's expected to release on November 26, 2020, It's a new major version, and a lot of improvements and new features.

Here, step by step process to install PHP 8.0.0-dev with Homebrew on Mac.

Make sure brew up to date with the following command

  brew update

At the time of writing this article, brew doesn't support php8, So we install using this git repo

Add the tap

Fetch the formulae in this tap.

brew tap shivammathur/php

Install PHP 8.0

brew install shivammathur/php/php@8.0

and finally, link with PHP 8.0

brew link --overwrite --force php@7.3

Check the current version by running PHP -v:

PHP -v

And restart the Restart Nginx or Apache:

sudo nginx -s reload

//or 

sudo apachectl restart

And also you check your local web server using the current version by running the following script.

// create index.php file, this should be accessible to your web server

phpinfo(); die();

Switching between versions.

If you want to switch back to PHP 7.4, here you can do that.

Unlink the current version like this

brew unlink PHP

and link to PHP 7.4

 brew link --overwrite --force php@7.4

if you want to link to PHP 7.3

 brew link --overwrite --force php@7.3

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