About php.ini configuration file
The php.ini is the default configuration file. It’s needed for running the PHP applications. The php.ini can be used to control the following variables like upload sizes, file timeouts, and resource limits. This file can be used to define the website functions. This file can customize the behavior of PHP at runtime. Apache web server can be administered easily using the default configuration files. When the PHP server is started, it looks for php.ini file to load various settings for it. The server needs to be restarted when the changes are made in php.ini file to get it to be effective. The php.ini configuration file is well commented and completed. The php.ini configuration files keys are case sensitive, keyword values are not, whitespace, and lines beginning with semicolons are neglected.