Notice: Undefined index: check in /var/www/web36/html/adminforce/index.php on line 5

[Sebmaster]

beim string:
$foo = (!isset($_REQUEST['foo']) ? '' : addslashes($_REQUEST['foo']));

beim integer:
$foo = (!isset($_REQUEST['foo']) ? 0 : (int)$_REQUEST['foo']);

1. Warum $_REQUEST
2. Warum addslashes()