undefined variables

[Anon]

My new version of PHP can't handle undefined variables and gives me a error message on the page ig there's no value on the variable. I know there must be some kind of setting for this, does any one know the name of it or some other way to help me?

[[deleted]]

You get that mesage because your script does not check wether the vars you are using are available before you use them.

You can disable the errormessage, but that would be an extremely stupid thing to do because then you will never know wether a script fails because of a bug or because you are simply using the wrong variables.

Leave the config alone and fix your script so it does check vars before using them.

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[Anon]

And that would be done how?

BTW if you haven't notice I'm really new at this.

[[deleted]]

use the isset() function;

if (!isset($var))
{
echo 'var is not set, you cannot use it';
}
else
{
// var set, use it.
}

Ofcourse you don't have to do this for every var you use, just the ones that are set dynamically, like vars from an HTML form.

[Anon]

Great! That solved it.....thx