Unable to install php-mysqli on PHP7

Question

I have installed PHP 7, mysql5.7, Apache2.2, CentOS6.

And I\'m installing CodeIgniter3.0.6.

When I use database connection, error occured and said

Answer 1

For PHP7, on CentOS / RHEL:

yum install php70w-mysql

if you use the Remi repository

yum install php70-php-mysqlnd

for Ubuntu:

apt-get install php7.0-mysql