docs: Add tip how to setup additional hostnames debug (ddev#6436) [sk…

…ip ci]

Co-authored-by: Randy Fay <[email protected]>

docs/content/users/debugging-profiling/step-debugging.md

@@ -66,6 +66,9 @@ Click on the local repository path and add `/var/www/html` as the *Absolute path
 6. Start debugging by clicking the “debug” button, which will launch a page in your browser:
     ![PhpStorm debug start](../../images/phpstorm-config-debug-button.png)
 
+!!!tip "If you’re using [additional_hostnames](../extend/additional-hostnames.md)"
+    If you also want xdebug to trigger when using a URL other than the primary URL (as with  `additional_hostnames` or `additional_fqdns`), create a copy of the PhpStorm `server` (Settings->PHP->Servers) with the current settings and change the host and name to the desired ones. This will tell PHP Storm to listen to that hostname with the appropriate mapping.
+
 #### PhpStorm and Command-Line Debugging
 
 If you need to debug command-line PHP processes, especially code that’s outside the docroot, the environment variable `PHP_IDE_CONFIG` is already set inside the web container, so you don’t have to do much more.