Installing Xdebug for XAMPP with PHP 7.x

Requirements

XAMPP for Windows: https://www.apachefriends.org/download.html
The VC14 builds require to have the Visual C++ Redistributable for Visual Studio 2015 x86 or x64 installed
The VC15 builds require to have the Visual C++ Redistributable for Visual Studio 2017 x64 or x86 installed

Setup

Download Xdebug for:
- PHP 7.0: https://xdebug.org/files/php_xdebug-2.6.1-7.0-vc14.dll
- PHP 7.1: https://xdebug.org/files/php_xdebug-2.7.2-7.1-vc14.dll
- PHP 7.2: https://xdebug.org/files/php_xdebug-2.7.2-7.2-vc15.dll
- PHP 7.3: https://xdebug.org/files/php_xdebug-2.7.2-7.3-vc15.dll
Copy the dll file php_xdebug-2.7.2-7.3-vc15.dll to: C:\xampp\php\ext
Open the file C:\xampp\php\php.ini with Notepad++
Disable output buffering: output_buffering = Off
Scroll down to the [XDebug] section (or create it) and copy this lines:

[XDebug]
zend_extension = "c:\xampp\php\ext\php_xdebug-2.7.1-7.3-vc15.dll"
xdebug.remote_autostart = 1
xdebug.profiler_append = 0
xdebug.profiler_enable = 0
xdebug.profiler_enable_trigger = 0
xdebug.profiler_output_dir = "c:\xampp\tmp"
;xdebug.profiler_output_name = "cachegrind.out.%t-%s"
xdebug.remote_enable = 1
xdebug.remote_handler = "dbgp"
xdebug.remote_host = "127.0.0.1"
xdebug.remote_log = "c:\xampp\tmp\xdebug.txt"
xdebug.remote_port = 9000
xdebug.trace_output_dir = "c:\xampp\tmp"
;36000 = 10h
xdebug.remote_cookie_expire_time = 36000