php undefined index – How To Remove Undefined Index Error in PHP Variables?

php undefined index is a minor error. PHP – Handle Undefined Index Gracefully. I am going to explain How to fix a most common error that every programmer face Notice: Undefined index: Name in C:\xampp\htdocs\demo\signup.php on line 216

php undefined index – Undefined index”, and “Notice: Undefined offset” using PHP

how to solve undefined index error in php? – Notice: Undefined Index error in PHP there is a variable or constant that has no value assigned to it.

How to fix this error?


Fix Undefined Index Error

This may show Undefined index error.


Change this code to


don’t miss : Undefined Offset In Php

Same for $_GET[‘product_name’] and $_REQUEST[‘product_name’]


I hope you get an idea about php undefined index.
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