Get tags based on the wordpress category

Althought WordPress allow you to do lots of things by default, but how to retrieve tags based on the category? Just paste following code wherever you need to display the list of tags that are specific to a particular category. Note: You can replace the category name on line two.   <?php query_posts('category_name=wordpress'); if (have_posts()) : while (have_posts()) : the_post();         $posttags = get_the_tags(); if ($posttags) { foreach($posttags as $tag) { $all_tags_arr[] = $tag -> name; //USING... [Read the full story]