If you get this error:

Call to unsupported or undefined function mysql_connect();

That means the Php-MySQL RPM is not installed. To install php-mysql module:

cPanel/whm, you can compile Apache/Php with MySQL either using the WHM and/or the following command at the prompt:

• /scripts/easyapache

DirectAdmin, you can compile Php with MySQL at the prompt using the following commands:

• cd /usr/local/directadmin/custombuild
• ./build mysql

Generic Linux Server , you can install php-mysql at the prompt using the following commands:

• /usr/bin/yum install -y php-mysql