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Posted by Chris Hope on 05/17/05 20:47
Good Man wrote:
> "Angelos" <angelos@redcatmedia.net> wrote in news:d6ck7q$fo7$1
> @nwrdmz01.dmz.ncs.ea.ibs-infra.bt.com:
>
>>> MySQL errors aren't displayed anyway, unless you make a syntax error
>>> when calling the function. To find out if MySQL returned an error
>>> you need to use the mysql_error() or mysql_errno() functions.
>>
>> oh ok, didn't know that...
>> I always use mysql_error() anyway...
>
> the '@' is most valuable when you're requesting variables that have
> been POSTed or REQUESTed:
>
> @$Name = $_POST['Name'];
>
> So, in case someone DIDN'T fill out the field 'Name', the script won't
> go
> all ugly. It lets you handle errors gracefully. Without the @ in the
> above line, the output would be "Notice: Undefined Variable 'Name'"
> or
> something. Instead I can just add:
>
> if ($vName=="") {
> echo "Sorry, please fill out your name.";
> exit;
> }
>
> ... to handle the error gracefully...
You could do it like this instead of using the @, although your way is
less verbose.
$name = isset($_POST['name']) ? $_POST['name'] : '';
An advantage of doing it this way is it this way lets you specify a
default value.
--
Chris Hope | www.electrictoolbox.com | www.linuxcdmall.com
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