<?php /** * Display placeholder with tooltip message on header elements when they miss a resource. * * @param string $resource Name of the resource. */ function fl_header_element_error( $resource ) { $title = ''; switch ( $resource ) { case 'woocommerce': $title = 'WooCommerce needed'; } echo '<li><a class="element-error tooltip" title="' . esc_attr( $title ) . '">-</a></li>'; }