To install the Relay extension for PHP using Homebrew, first add the tap:

brew tap cachewerk/tap

Next, determine your PHP version using php -v and install the matching extension:

brew install relay      # PHP 8.3
brew install [email protected]  # PHP 8.2
brew install [email protected]  # PHP 7.4

The installation might abort and you'll be prompted to install some PHP extensions that Relay requires. You can install them using PECL:

pecl install msgpack
pecl install igbinary

After the installation is completed, be sure to restart your PHP-FPM and web server services:

sudo brew services restart php
sudo brew services restart nginx

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brew uninstall relay
rm $(php-config --ini-dir)/ext-relay.ini

# brew uninstall [email protected]
# rm $($(brew --prefix [email protected])/bin/php-config --ini-dir)/ext-relay.ini

rm -rf /opt/homebrew/etc/relay

Check the formula syntax before committing.

brew style cachewerk/tap