[Solved] How to fix Undefined Index warnings? [duplicate]

by


You could check with isset like

if (isset($_GET['errormsg']) && $_GET['errormsg'] == 'no_appid') {
    $_SESSION['errormsg'] = "There was a problem with your application.  Please reenter all data.";
}

look at php isset

4

solved How to fix Undefined Index warnings? [duplicate]