public static function init() { if (is_null(self::$instance)) { self::$instance = new vibe_extras(); } return self::$instance; }
function wplms_custom_social_sharing_links($return) { $vibe_extras = new vibe_extras(); $sharing = '<div class="course_sharing">' . $vibe_extras->social_sharing() . '</div>'; return $return . $sharing; }
function social_sharing_links() { $vibe_extras = new vibe_extras(); return $vibe_extras->social_sharing_links(); }