Вы можете поставить и другим способом.
wget http://pear.php.net/go-pear.phar php go-pear.phar pear upgrade-all pear channel-discover pear.phing.info pear install phing/phing
portsnap fetch portsnap extract cd /usr/ports/devel/pear/ make install pear upgrade-all pear channel-discover pear.phing.info pear install phing/phing
yum install php-pear pear upgrade-all pear channel-discover pear.phing.info pear install phing/phing
php-pear > 1.8
rpm -ivh --force --nodeps http://rpms.famillecollet.com/enterprise/remi-release-5.rpm yum -y --disablerepo=base --enablerepo=remi update php-pear pear upgrade-all pear channel-discover pear.phing.info pear install phing/phing
Установить Pear > 1.8 далее выполнить
pear upgrade-all pear channel-discover pear.phing.info pear install phing/phing