<?php
$output = $title = $tab_id = '';
extract(shortcode_atts($this->predefined_atts, $atts));

$output .= "\n\t\t\t" . '<div class="tab-pane" id="tab-'. (empty($tab_id) ? sanitize_title( $title ) : $tab_id) .'">';
$output .= ($content =='' || $content == ' ') ? __("Empty section. Edit page to add content here.", "js_composer") : "\n\t\t\t\t" . wpb_js_remove_wpautop($content);
$output .= "\n\t\t\t" . '</div>';

echo $output;