Does PEAR work on Mac OS X?
answer by Brett Bieber All Mac OS X versions up until 10.5 come with PEAR by default. Mac OS X 10.5 (Leopard) users will need to install PEAR using the standard installation instructions. If you are a OS X 10.4 or lower user, you may wish to upgrade to a newer version of PHP using a binary installable package such as Marc Liyanage’s PHP packages. If you have installed another PHP package, you may have two versions of PHP and PEAR installed on your system. To be sure which version you are using, type which pear in your console to find out where PEAR is located, and pear -V to find out some info about the pear version, and also pear config-show to see the configuration details. If you have not made any modifications to the default Max OS X install, the PEAR version you are running is the /usr/bin/pear which is configured for the PHP 4 version distributed with OS X. If this is the case, there are a couple options to use a PHP 5 version on your Mac. If you’re using Marc Liyanage’s PHP pack
