Validating contact form

19-Jan-2018 09:45 by 9 Comments

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There are a number of possibilities, including saving it in a database or emailing the data to yourself.Whichever you choose, you need to be sure: Validation is essential, particularly if you are going to save the data in a database – remember the old saying, GIGO (Garbage In, Garbage Out), and you won’t go far wrong.

One topic which I have not addressed and is outside the scope of this article is what you would do with the data after validation is successful.

In this article you’ll construct and validate a simple form using HTML and PHP.

The form is created using HTML and validation and processing of the form’s contents is done with PHP.

Sure there have been all kinds of whacky plug-ins over the years aimed at achieving this, but never a single standard that we could work towards.

For a more detailed introduction to HTML5 form validation you can find some great articles linked under References below.

In this article we intend to present only a number of simple examples to get you started, covering the basic form elements.

Before you ask, and someone always does, these examples will currently work in the following browsers: Safari 5, Chrome 6, Opera 9, Firefox 4 Beta and the i Phone/i Pad.

These inputs will be validated to ensure, for example, that the user has entered their name. This is because collectively the radio buttons should be treated as a group (the user should select either 0, or 1, or 2, etc.). Its value is presented as its label, and clicking on it will trigger the form submission.

Any errors or omissions will be highlighted with a message alongside the relevant field. The purpose of the form is to capture user details (name, address, and email) to obtain feedback (on fruit consumption and favorite fruit) and request a brochure. There are two specific attributes that need to be set in the form tag, .

At the start of the script, before any HTML, you can check whether the form has been submitted using attribute, and I’ve also marked whether or not the field is a required field for validation purposes.

If the user does not comply with these rules, an error message will be displayed.

He's also written a book about Dreamweaver CS3 for Hodder Education.