Re: PHP Notice: Undefined index
| From: | Richard Lynch | Date: | Mon, 22 May 2006 20:41:41 +0000 |
| Subject: | Re: PHP Notice: Undefined index | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-236674@lists.php.net to get a copy of this message | ||
On Fri, May 19, 2006 6:08 pm, John Taylor-Johnston wrote:
> Any idea why this bit of code
>
> if("yes" == $_POST['submitter'])
> {
> mysql_select_db($db,$myconnection);
>
> $sql = "INSERT INTO
>
$db.$table
> (name,email,comments,entrydate)
> values
> ('$name','$email','$comments','$entrydate')";
> mysql_query($sql) or die(print mysql_error());
> }
>
> is provoking this message in my Apache error log?
>
> [Fri May 19 19:05:10 2006] [error] PHP Notice: Undefined index:
> submitter in
> /home/jtjohnston/domains/jtjohnston.ca/public_html/comments.php on
> line 29
Because $_POST['submitter'] is not set?
Because your script assumes it IS set?
Because sometimes your script is called to display the form, before
$_POST['submitter'] has anything in it, and sometimes it's called
after they hit submit and it has something in it?
if (isset($_POST['submitter']) && "yes" ==
$_POST['submitter']){
http://php.net/isset
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