List all subcategories from category

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How can I get all subcategories from a certain category?

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2 comments

  1. Yes, you can use get_categories() using 'child_of' attribute.
    For example all sub categories of category with the ID of 17:

    $args = array('child_of' => 17);
$categories = get_categories( $args );
foreach($categories as $category) { 
    echo '<p>Category: <a href="' . get_category_link( $category->term_id ) . '" title="' . sprintf( __( "View all posts in %s" ), $category->name ) . '" ' . '>' . $category->name.'</a> </p> ';
    echo '<p> Description:'. $category->description . '</p>';
    echo '<p> Post Count: '. $category->count . '</p>';  
}

    This will get all categories that are descendants (i.e. children & grandchildren).

    If you want to display only categories that are direct descendants (i.e. children only) you can use 'parent' attribute.

    $args = array('parent' => 17);
$categories = get_categories( $args );
foreach($categories as $category) { 
    echo '<p>Category: <a href="' . get_category_link( $category->term_id ) . '" title="' . sprintf( __( "View all posts in %s" ), $category->name ) . '" ' . '>' . $category->name.'</a> </p> ';
    echo '<p> Description:'. $category->description . '</p>';
    echo '<p> Post Count: '. $category->count . '</p>';  
}

  2. For custom post types “categories” use get_terms().

    (Altering @Bainternet’s answer)

                $categories = get_terms( array(
                'taxonomy' => 'product_cat',
                'hide_empty' => false,
                'parent' => 17 // or 
                //'child_of' => 17 // to target not only direct children
            ) );
            
            foreach($categories as $category) { 
                echo '<p>Category: <a href="' . get_category_link( $category->term_id ) . '" title="' . sprintf( __( "View all posts in %s" ), $category->name ) . '" ' . '>' . $category->name.'</a> </p> ';
                echo '<p> Description:'. $category->description . '</p>';
                echo '<p> Post Count: '. $category->count . '</p>';  
            }