PHPUnit for PHP5.3 on CentOS5

Since php53-pear is not shipped with CentOS5, we need to install php-pear and force upgrade it.

yum install php-pear php53-pdo
pear upgrade --force Console_Getopt
pear upgrade --force pear
pear upgrade-all
pear channel-discover pear.phpunit.de
pear channel-discover pear.symfony-project.com
pear channel-discover components.ez.no
pear install --force channel://pear.php.net/HTTP_Request2-2.0.0RC1
pear install phpunit/PHPUnit

PEAR version output as show:
$ pear version
PEAR Version: 1.9.4
PHP Version: 5.3.3
Zend Engine Version: 2.3.0