- $found= (strpos(strtolower($l['title']),$s)!==false)
- || (strpos(strtolower($l['description']),$s)!==false)
- || (strpos(strtolower($l['url']),$s)!==false)
- || (strpos(strtolower($l['tags']),$s)!==false);
+ $found= (strpos(mb_convert_case($l['title'], MB_CASE_LOWER, 'UTF-8'),$s) !== false)
+ || (strpos(mb_convert_case($l['description'], MB_CASE_LOWER, 'UTF-8'),$s) !== false)
+ || (strpos(mb_convert_case($l['url'], MB_CASE_LOWER, 'UTF-8'),$s) !== false)
+ || (strpos(mb_convert_case($l['tags'], MB_CASE_LOWER, 'UTF-8'),$s) !== false);