Better yet:
if (!isset($a)) {
$a = "";
}
echo $a;
?>
If the user passes something in the form, you will see it in the page,
if not, it will show a empty string (which is equal to nothing in web,
but avoids the warning).
Always take note to the warnings... they can be just warn
EMAIL PROTECTED]
Subject: Re: [PHP-WIN] newbie question (forms)
Its just a warning. It tells you that you are using a variable which has no
value. Just ignore the notice, or turn down error reporting to exclude
notices.
All it means is that the variable of $test which you have included in your
scrip
This probably has to do with one/both of two things:
1. register_globals is off (not a bad thing - just requires a tidbit more
code. see http://php.net/register_globals)
2. A variable is being called before it has been initialized.
Example PHP script:
First you will get the undefined variable
Its just a warning. It tells you that you are using a variable which has no
value. Just ignore the notice, or turn down error reporting to exclude
notices.
All it means is that the variable of $test which you have included in your
script HAS NO VALUE. If you were to write something like
$test = "I
