Support » Themes and Templates » Determining Current Category ID

  • Resolved michaelhuang


    Hi. When you display posts by category, how do you find out what the post category is? In other words, how do you determine the number that’s after “cat”? Is there a particular function call I could use? I’m trying to add information that depends on the category ID in a sidebar. Thanks!


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  • When a category is created it is given an ID which is visible from the Manage -> Categories menu. You can create categories there or create them from a post.

    Hope that helps.

    Nex, thanks for the reply. Unfortunately, that’s not quite what I meant.

    To clarify, I’m trying to display custom category descriptions for the category pages (that appear when you click on a particular category) by changing my sidebar.php. To do this, I need to know the ID of the current category, the one that the user clicked. The function I’ve been trying to use, get_the_category(), returns all the categories to which a certain category belongs, which doesn’t help me.

    Is there any way for me to get that number?

    Resolved by a friend in a hackish sort of way: steal the number directly from the top using something like $cat_ID = $_GET[‘cat’];

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