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WordPress Get Category ID from Slug

Quick WordPress snippet for getting the category ID from the category slug.

Don’t blink or you’ll miss it:

$slug = 'docs';
$cat = get_category_by_slug($slug); 
$catID = $cat->term_id;

Here we pass the $slug to WordPress’ get_category_by_slug() function. That gives us an object of useful category data, including the ID, which we then call directly:

$catID = $cat->term_id;

To see what else is available try adding the following to your script:

print_r($cat);

It’s just good times.

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About the Author

Jeff Starr is a professional developer, designer, author, and publisher with over 15 years of experience. He writes books and tutorials, develops plugins, and runs his own business.

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WP-Mix is where I share code snippets, tricks, and tips. WP-Mix was launched in October 2012, and now features 409 posts. You can check out the latest post published on May 2, 2023. Learn more ›

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