More data validation in PHP

This tutorial shows some more data validation methods following on from the form data validation tutorial. In this tutorial, you will be shown how to implement the following data validation …

Radio buttons and form validation

Forms allow users to submit data in many different ways. A range of form input elements are available including text boxes, checkboxes, radio buttons, and submit buttons. This video tutorial …

Validating form data

In this tutorial, you will learn how to use JavaScript to validate form data. Form validation ensures that the correct form data has been provided by the user. For example, …