How to Exclude a Category From WordPress Loops

In this post, you will learn how to Exclude a Category From WordPress Loops. Use the below code snippets inside your theme’s functions.php file to exclude a category from WordPress loop.

/**
 * Exclude a category from all WordPress loops
 */

add_action( 'pre_get_posts', function( $query ) { // anonymous callback
    
    global $wp_query; 

    // Hard coded category ID, but can be dynamic:     esc_attr(get_option('your-cat-id')); 
    $excluded_cat_id = 25;

    // add category ID to existing, avoid overwritting it 
    $cat[] = $query->get( 'cat' );
    $cat[] = "-" . $excluded_cat_id;

    $query->set( 'cat', $cat );
    }
});

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