CiviReport - avoid error in test environments when using built-in php web server #21560
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Overview
Admittedly this is not something that comes up in core, but is a straightforward "if variable doesn't exist yet don't try to append to it".
Before
Error: $_SERVER['QUERY_STRING'] undefined
After
Technical Details
Came up during https://lab.civicrm.org/extensions/cdntaxreceipts/-/merge_requests/153#note_65360 where it seems in apache
$_SERVER['QUERY_STRING']
is always at least set to '', whereas in php's built-in web server it might not exist.The point being in different web server environments you can't assume $_SERVER array members already exist.
Comments
I've labelled "Has Test" in the sense that the above noted unit test is intended to be a regularly run test just not as part of the core tests. And that's how this came up. Feel free to remove.