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 …
Checking set values (radio buttons) in PHP
This tutorial explains how to use radio buttons in forms and check set values in PHP to ensure that the user has entered data in the form. Watch the video …
Form data validation with PHP
This tutorial explains how to validate data that has been submitted by a user in a form. We will look at the following types of data validation: Check that a …
Checkboxes and form validation
This video tutorial explains how to implement checkboxes in an HTML form and how to use JavaScript to validate the form data by checking whether at least one option has …
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, …