Validating html forms before processing to a php script
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.
The form is created using HTML and validation and processing of the form’s contents is done with PHP.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.Members get instant access to all of Site Point’s ebooks and interactive online courses, like Jump Start PHP.The loop would generate the HTML for the options on the fly, and the check if the option has been selected or not can be incorporated into it. It’s just one of those minor inconsistencies we have to live with.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.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.The goal is to teach you some basic HTML form elements and how their data is accessible to you in your PHP scripts.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.Any fields already completed will be left unchanged, allowing the user to simply adjust her input and re-submit the form without having to enter all of the data again. Let’s look at the PHP required for validating the form.All of this code would be placed towards the top of the page before the HTML for the form: The exception is the brochure checkbox which does not need to be validated as it is an optional field.