'; } } add_action( 'wp_head', 'az_multipurpose_pingback_header' ); if (!function_exists('az_multipurpose_get_category')) : function az_multipurpose_get_category($post_id = 0) { if (0 == $post_id) { global $post; $post_id = $post->ID; } $categories = get_the_category($post_id); $output = ''; $separator = ' '; if ($categories) { $output .= ''; foreach ($categories as $category) { $output .= '' . esc_html($category->cat_name) . '' . $separator; } echo $output; $output .= ''; return $output; } } endif;