'Print HTML', 'link' => 'print/', 'description' => t('Printable version'), ); if (module_exists('print_pdf')) { $links['printpdf'] = array( 'name' => 'Print PDF', 'link' => 'printpdf/', 'description' => t('PDF version'), ); } if (module_exists('print_mail')) { $links['printmail'] = array( 'name' => 'Print Mail', 'link' => 'printmail/', 'description' => t('Send to a friend'), ); } return $links; }