language: php
install:
  - pear install package.xml
php:
  - 5.2
script: phpunit tests/

language: php
php:
  - '5.4'
install:
  - pear install package.xml
script: phpunit tests/

Upgrade PHP test environment to PHP 5.4.
Upgrade PHP test environment to PHP 5.4.

This appears to be the older PHP version currently supported by Travis CI.

https://docs.travis-ci.com/user/languages/php
