Notices have been turned on your PHP installation. This means you will
need to declare all of your variables otherwise you will receive a
notice. To fix your problem simply declare your POST variable before
use.
if(isset($_POST['op'])) {
$op = $_POST['op'];
} else {
$op = "";
}
if($op != 'ds') {
etc.......
I get the error message:
*Notice*: Undefined index: op
When trying to set up a form. I have looked everywhere for the
solution. I don't understnadn how to define that index. The come it
comes from is:
if ($_POST['op'] != 'ds') {
$display_block = "
<form action=\"$_SERVER[PHP_SELF]\" method=\"POST\">
Your E-mail Address:
<input type=text name=\"email\" size=40 maxlength=150/>
<input type=radio name=\"action\" value=\"sub\"
checked/>subscribe<br/>
<input type=radio name=\"action\" value=\unsub\" />unsubscribe
<input type=\"hidden\" name=\"op\" value=\"ds\"/>
<input type=submit name=\"submit\" value=\"Submit Form\"/>
</form>";
}
I am trying to create a form which allows my users to join a mailing
list. I conceptually understand what the problem is but cannot find
out how to solve the problem. I cannot find out how to define 'op'.
Please do not tell me to lower my error reporting levels. I would
rather fix the problems. Thank you,
Joseph
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