Now PHP does not have $_POST['myPostData'] if there is no POST Data being sent to the Page. This is when these Errors come into Play.

This repository demonstrates a common PHP error: the undefined variable notice. While not always fatal, undefined variables can lead to unexpected application behavior and difficult-to-debug issues.

$ _POST or $ _GET are two special PHP functions that are used to get variables from a user-filled form. While using these functions, a user may encounter an error, stating that there is an undefined ...