How to Check for Class in body_class() in Wordpress

Question

Within Wordpress header.php, I have

>

How do check to see if a specific class exists, and th

Answer 1

I have had the same problem as I created pages using different templates but a custom sub-menu needed to be the same on each pages.

I tried this one first what is failed

>

The extra classes was added to the body tag but when I run the error log then it was not in the classes array. So I was sure it was added later to the body tag.

This solution worked for me:

functions.php

$GLOBALS['extraBodyClass'] = '';

In the template file

- very first line in the template file

> - after the template name declaration

In the header.php file

$classes = get_body_class();
if($GLOBALS['extraBodyClass']){
   $classes[] = $GLOBALS['extraBodyClass'];
}