Before you begin, ensure that you have at least PHP 5.2.0 installed.

Net_Growl should be installed using the PEAR Installer. This installer is the backbone of PEAR, which provides a distribution system for PHP packages, and is shipped with every release of PHP since version 4.3.0.

$ pear install Net_Growl

Do the following:

1. Download a release archive from http://pear.php.net/package/Net_Growl/download
2. Extract it to a directory that is listed in the include_path of your php.ini configuration file