I see you have changed '<?php print ...' to '<?= ...' in many places. I cannot find any reference to that shorthand anywhere. I verified that it works, but where is it documented? I can not find any info about it....but it is a cool shortcut.
It has been around for a long time in PHP: https://www.php.net/manual/en/language.basic-syntax.phptags.php
Leave it to us to only start using it in 2021.
wow...how did I never know about it? Funny thing is if you search anywhere, including php.net for <?= you come up with nothing useful.
Is it in danger of getting dropped as a shortcut, such as the '<?' is being eliminated for the longhand '<?php' ?
I haven't heard of any plans to remove it.