Checking minimum version (5.2.1)...Pass
Checking memory limit...Pass
Checking for SPL...Pass
Checking for DOM XML Handling...Pass
Checking for GD library...Pass
Checking for GD2...Pass
Checking for mysql support...Pass
Checking for mysqli support...FAIL
The mysqli extension is preferred over the original mysql extension. If you are utilizing another database driver (such as MSSQL) you can ignore this message. This is not a requirement, but if possible we recommend you to install the mysqli extension for better performance.
Checking for JSON...Pass
Please also remember that MySQL 4.1 or higher (MySQL 5.0 or higher preferred) is required for IP.Board 3.0. Ask your server administrator to check the version of MySQL on your server if you are unsure.