42: How to Display Error Messages Using PHP | PHP Tutorial | Learn PHP Programming

How to Display Error Messages Using PHP | PHP Tutorial | Learn PHP Programming. In this PHP tutorial, you will learn how to show the user an error message using PHP, after they submit a form on your website. This is done by sending data back to the form using PHP validation.

We will also cover how to keep the data in the form inputs, if the user is sent back with an error, so they don't need to re-type everything.

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