public static function tab($atts, $content = null) { extract(shortcode_atts(array('title' => ''), $atts)); self::$tabsCounters = self::$tabsCounters > 0 ? (int) self::$tabsCounters : 0; self::$tabsCounters++; self::$tabsTitles[self::$tabsCounters] = $title; $output = '<div class="tab-pane' . (self::$tabsActive === true ? ' active' : '') . '" id="tab' . self::$tabsCounters . '"><p>' . do_shortcode($content) . '</p></div>'; self::$tabsActive = false; return $output; }