Multisite switch to blog

If you use switch_to_blog, that use always also restore_current_blog. The restore_current_blog function undos the last call to switch_to_blog, but only by one step, the calls are not nestable, so always call restore_current_blog before calling switch_to_blog again.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)