Add this to your php.ini file [XDebug] zend_extension = "D:\xampp\php\ext\php_xdebug.dll" xdebug.remote_autostart = 1 xdebug.profiler_append = 0 xdebug.profiler_enable = 0 xdebug.profiler_enable_trigger = 0 xdebug.profiler_output_dir = "D:\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="D:\xampp\tmp\xdebug.txt" xdebug.remote_port = 9000 xdebug.trace_output_dir = "D:\xampp\tmp" ; 3600 (1 hour), 36000 = 10h xdebug.remote_cookie_expire_time = 36000 Install the XDebug in Visual Studio Code Open the code that needs to be debugged in Visual Studio Code for e.g. in case of xampp it will be "D:\xampp\htdocs" Happy Debugging.