Do you want to get the first category ID of your current post? While there’s probably a plugin for this, we have created a quick code snippet that you can use to get the first category ID of post in WordPress.
Instructions:
All you have to do is add this code to your theme’s functions.php file or in a site-specific plugin:
function getParentCatID() {
$category = get_the_category();
return $category[0]->cat_ID;
}
Note: If this is your first time adding code snippets in WordPress, then please refer to our guide on how to properly add code snippets in WordPress, so you don’t accidentally break your site.
If you liked this code snippet, please consider checking out our other articles on the site like: 12 best WordPress podcast plugins and 11 best WordPress slider plugins.
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