Anyway to detect current page in template?
 

I want to let a template detect whether current page is "forumdisplay" or "index".

Change to desired page showthread, forumdisplay etc

I single-quoted the THIS_SCRIPT but looks like this renders it ineffective.

P.S.: I already tried this trick prior to creating this thread here. Wondering whether I messed up with something else. My board runs on PHP 7.4 .

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Update: Similar issue happens with MyBB:
https://github.com/mybb/mybb/issues/3017
https://github.com/mybb/mybb/pull/3092

Looks like some php files in the 'includes' folder needs modification to declare the "THIS_SCRIPT".
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Following-up: This warning can be dismissed. It won't cause template rendering error as it does not generate any similar error message in forumdisplay, index, etc. These php files already have "THIS_SCRIPT" defined. My conclusing is that the template system of vBulletin 3.8.11 needs some fix.

Solution: Editing "template.php" and add the following to "DEFINE IMPORTANT CONSTANTS":

Otherwise, PinkMilk's trick won't work if vBulletin 3.8.x runs on PHP 8 in the future.

Your fix works fine for me. Thank you very much !

I had the same warning in the Navbar template for the responsive style of Sultantheme :

I'm running php 5.6.32 on my local vb version so probably can't recreate the error if you think its higher php related,

HOWEVER...
I noticed I missed the closing " (previous post fixed).