Re: What does an @ sign before a VARIABLE do?
| From: | Rasmus Lerdorf | Date: | Fri, 20 Apr 2001 14:45:26 +0000 |
| Subject: | Re: What does an @ sign before a VARIABLE do? | ||
| References: | 1 | Groups: | php.windows |
| Request: | Send a blank email to php-windows+get-6924@lists.php.net to get a copy of this message | ||
> In the PHOBUILDER tutorial on sessions the sample code has a @ sign before
> some of the variable names.. like:
> if (@$userid && @$password) {
> $res = @mysql_query("SELECT userid FROM users WHERE userid='$userid' AND
> password='$password'");
> if(@mysql_num_rows($res) != 0) {
> $verified_user = $userid;
> session_register("verified_user");
> }
> }
> I've never seen that before and am curious what it does. I've seen it
> before function calls, but never before variables.
It doesn't do anything. Whoever wrote that tutorial was confused.
-Rasmus