Hello Loic,
Please try to replace line 35 by: table_grants($row['host'], $row['user'], $dbcheck);
... and tell us if it works, of course ;)
Ok. Yes, it works. But now :
Parse error: parse error in /usr/local/apache/htdocs/armel/phpMyAdmin-devel/user_details.php3 on line 521
Armel.