Fix bugs causing PHP to throw notices
Fix bugs causing PHP to throw notices

Rican7/klein.php,piraveen/klein.php,gabrielbull/router,daMichl/RapidoFrame,beealone/klein.php,fahribaharudin/klein.php,allwebsites/klein.php,klein/klein.php,kuslahne/klein.php,chriso/klein.php,judsonco/klein.php