$cur = array('Ö','ö','ç','ş','Ş','ı','ğ','ü','Ç','İ','Ü');
$cha = array('o','o','c','s','s','i','g','u','c','i','u');
$degisken = str_replace($cur,$cha,$degisken);
$degisken = str_replace(' ','-',$degisken);