Re: PHP Newbie Database Records?
| From: | David Robley | Date: | Mon, 16 Feb 2004 01:29:12 +0000 |
| Subject: | Re: PHP Newbie Database Records? | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-177765@lists.php.net to get a copy of this message | ||
In article <20040216003544.26244.qmail@pb1.pair.com>,
colin_blunt@petcol.com says...
> PHP Newbie,
>
> I'm trying to find out if a username already appears in my database.
>
> I have two users in my table, one is colin so when I enter a username of
> colin I would normally under ColdFusion anyway just to something like:
> <cfif $query_qUsername.RecordCount GT 0>
> User already exists do something else, like throw the user back an error.
> </cfif>
>
> My Query works
> $query_qUsername = "SELECT * FROM users WHERE username = '$username'";
>
> I've tried a number of different things here and everything either comes
> back with nothing, or throws an error.
> $num_rows = mysql_num_rows($query_qUsername);
> echo $num_rows; // this comes back with nothing, I was expecting a numeric
> of 1
> exit;
>
> Regards
> Col
>
First, consider echo $query_qUsername to ensure that it contains what you
think it does. Second, consider using mysql_error() after your call to the
database to show the text of any error returned by mysql.
--
Quod subigo farinam
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