What should I do if the dedecms5.7 tag tag does not support uppercase letters?

dedecms5.7 What should I do if the tag does not support uppercase letters?

dedecms5.7 tag tag does not support uppercase letters solution

I accidentally discovered that some tag tag clicks in my dedecms blog were invalid, and I initially thought it was I made a mistake in the tag, and I tried to correct it for a long time but didn’t figure it out. Later I accidentally discovered that it was because dedecms5.7 version tag tag did not support uppercase letters;

Here is the solution:

Open the website root Directory’s tags.php file

Replace the following line of code

$tag = trim($_SERVER['QUERY_STRING']);

with

$tag = strtolower(trim($_SERVER['QUERY_STRING']));

Recommended learning: dedecms tutorial

Comments ：PHP strtolower() function

Definition and usage

strtolower() function converts a string to lowercase.

Syntax

strtolower(string)

Parameters

string Required. Specifies the string to be converted.

Example

<?php echo strtolower("Hello WORLD!"); ?>

Output:

hello world!

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