PHP
From Atomicorp Wiki
PHP 5.2.x installation
php-pear, and php-sqlite2 will conflict with this if you try to do a normal yum upgrade. Try as I might, I cant seem to get the newer php-pear to be recognized by the older as an update event.
To upgrade to PHP 5.2.2 on CentOS4, while running php-4.3.x:
Step 1) Remove incompatible packages
yum remove php-sqlite2
Step 2) Upgrade to php5.2.x
yum install php-pear
Step 3) Replace the PHP 4 ini with PHP 5.2.x's
mv /etc/php.ini.rpmnew /etc/php.ini
Checklist
1) Ioncube loader, or other extensions that have to be updated
2) php.ini settings, like memory_limit
3) execstack -c on any extensions that claim to need an executible stack (ASL users only)
Known Issues
CentOS4, the sw-soft php-ioncube-loader only contains ioncube-loader libraries for PHP 4.3