web server installation:

In this lecture we learn how to install web server before installing php and in last any database installation. We use myqli database. As we know that php is open source language most web hosts offer PHP support.
Set Up PHP on Your Own PC:
If your server does not support PHP, you must:
install a web server
install PHP
install a database, such as MySQL
The official PHP website (PHP.net) has installation instructions for PHP:http://php.net/manual/en/install.php