Warning on URL menu items

[web-eau-net]

Steps to reproduce the issue

1/ Create a menu item "URL" type
2/ Set errors report to maximum in global config
3/ A warning shows up in the menu item (backend):

Deprecated: parse_str(): Passing null to parameter #1 ($string) of type string is deprecated in /home//*/administrator/components/com_menus/src/Helper/MenusHelper.php on line 76

Expected result

Shouldn't have any warning displayed here

Actual result

System information (as much as possible)

• Joomla 5.3.1
• PhP 8.1.31

Additional comments

[chmst]

Confirmed if the link url starts with index.php

[brianteeman]

related PR #37325

[brianteeman]

I can not replicate this any more

[brianteeman]

correction - i can replicate this error on j5.4 and j6 if the url is just index.php

[richard67]

Closing as having a pull request. Please test #46341 . Thanks in advance.

[MacJoom]

Entering an url that starts with 'index.php/' will fail on subpages - use '/index.php/xyz'