XAMPP is the most popular PHP development environment.

XAMPP is a completely free, easy to install Apache distribution containing MariaDB, PHP, and Perl. The XAMPP open source package has been set up to be incredibly easy to install and to use.

Prerequisites:

XAMPP requires only one zip, tar, 7z, or exe file to be downloaded and run, and little or no configuration of the various components that make up the web server is required.
The Windows version of XAMPP requires Microsoft Visual C++ 2017 Redistributable.

Features:

• XAMPP is regularly updated to the latest releases of Apache, MariaDB, PHP and Perl.
• It also comes with a number of other modules including OpenSSL, phpMyAdmin, MediaWiki, Joomla, WordPress and more.
• Self-contained, multiple instances of XAMPP can exist on a single computer, and any given instance can be copied from one computer to another.
• XAMPP is offered in both a full and a standard version (Smaller version).

Software Integration:

• The Web server solution stack installed in Personal PC or the development system faces common issues of having the common port numbers requested by XAMPP.
• Most commonly Skype or MySQL installed in PC have common conflict due to the same port number requested by XAMPP.
• Although port number conflict can be bypassed by stopping the Applications using the same port, but the port number should be changed.
• The most common MySQL port can be found in my.ini, config.inc.php and php.ini files from XAMPP control panel.
• The port number are 3306 for MySQL, 80 for Apache and 443 for SSL, the port numbers can be replaced with subsequent number like 3307 or 3308.
• Find the port numbers in respective files, for which port need to be changed, then replace with subsequent port number. the same port numbers should also be replaced in XAMPP Service and Port number settings.