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Whichever method you use, if the form has been submitted, it should be validated.

If it has not been submitted, bypass the validation and display a blank form.

In this article you have learned how to create a simple HTML form and validate it with PHP.

Along the way a number of techniques have been used to re-display user input and display error messages.

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.

The form you’ll create contains a number of inputs: text fields, radio buttons, a multiple-option select list, a checkbox, and a submit button.This prevents the form from breaking if the user submits HTML markup and also is a means of protecting against XSS (Cross Site Scripting) attacks, which attackers will use to try to exploit vulnerabilities in web applications.Now that you’ve defined the form in HTML, let’s identify the two stages the form goes through – when the blank form is loaded, and when the user has completed the form and clicks the submit button.Next determine whether the form has been submitted by checking how the page was requested.If the form has just been requested, then the is outputted as part of the element’s HTML. It is actually a better idea to restructure the code as a loop than to blindly add code to check each option manually.

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For further information on And if you enjoyed reading this post, you’ll love Learnable; the place to learn fresh skills and techniques from the masters.

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