Linked Questions

I am trying to relearn some PHP basics for making a simple login script, however I get an error I have not received before(I made the same script a little over a year ago and never had this error. I ...

This is going to sound really stupid, but I cannot figure out why I am getting this error. I have created a selection box, named "query_age" in my html form: <form method="get" action="user_list....

I am working through some code done by a previous developer. I'm pretty new to PHP so I am wondering if there is any well known pattern or solution to this problem. Basically the original author does ...

Possible Duplicate: PHP: “Notice: Undefined variable” and “Notice: Undefined index” Good day! I am having the following error in my code: <?php if (!$_POST['SUBMIT']){ //ERROR: Undefined ...

I have a problem with my PHP code saying that "Notice: Undefined index" I am sure its very simple, since I am a beginner i am not getting well what is wrong exactly so please help me. Here's the code ...

I recently setup a new web server and I'm getting undefined variable error. If I use variables without initializing, it gives me an error. The source code did not change. Only the LAMP environment did....

We are upgrading to PHP 8.1. A new feature is that an undefined array key throws a warning. Unfortunately this interferes with the ability to easily use associative arrays such as $_SESSION variables. ...

Possible Duplicate: PHP: “Notice: Undefined variable” and “Notice: Undefined index” So, I am currently learning PHP and was reading on a book about the md5 function for passwords, so I decided to ...

So, I'm learning PHP and I keep getting "Warning: Undefined array key" in $GET_["fname"] and $GET_["age"]: <main> <form action="inputs.php" ...

I have this code and it's giving me an undefined error if country is not a variable in the URL. I've never had this problem before so it's obviously something to do with server settings but I'd rather ...

Possible Duplicate: PHP: “Notice: Undefined variable” and “Notice: Undefined index” I am trying to do a registration form that registers a user in a database (MySQL). The code is supposed to ...

So, looks like they changed the way accessing an array with an unknown key raises a message. <?php if($myArray['foo']) { ... } For 25 years this was simply raising a NOTICE, and people were quite ...

I have this line of SQL: $sql = "SELECT ID, ListStID, ListEmail, Title FROM $entry_database WHERE ID = '". $ReqBookID ."'"; $result = mysqli_query($conn, $sql); As you can see, I am selecting an ...

Possible Duplicate: PHP: “Notice: Undefined variable” and “Notice: Undefined index” All of a sudden my php code has come up with : Notice: Undefined index: submit in C:\...

Possible Duplicate: PHP: “Notice: Undefined variable” and “Notice: Undefined index” I am just learning PHP and I keep getting an Undefined Index error. The book I'm learning from has an HTML form ...