How to check mysqli support in cpanel servers.
The mysqli extension allows you to access the functionality provided by MySQL 4.1 and above. More information about the MySQL Database server can be found at ยป http://www.mysql.com/
To check if mysqli is installed run the following command.
/usr/local/bin/php -m | grep -i mysql
To install
# /scripts/easyapache
Select the package mysql improved from Exhaustive options list
To verify whether mysqli is installed
# /usr/local/bin/php -m | grep -i mysql