PHP error "Notice: Undefined index ..." [Solved]
![PHP error "Notice: Undefined index ..." [Solved]](/sites/default/files/styles/thumbnail/public/2023-08/php-undefined-index-banner.png?itok=oHttL4Oq)
This tutorial delves into the exploration of the cause and the solution of the PHP Notice that says "Notice: Undefined index ...". Here, I will explain why this kind of notice or error occurs in PHP. I will be providing a simple PHP snippet the illustrate the occurrence of the said error. Also, I will provide the snippets that averts the error.