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PDO or PHP Data Objects is a cleaner approach to form processing. It also helps the beginning programmer to grasp some of the concepts of OOP or Object Oriented Programming. PDO provides methods for prepared statements and working with objects that will make you far more productive.
In the example that I am submitting, I give the user everything that they will need to replicate this form. There is a simple sql file that can be ran as a query and will create the database and table needed. In the connect.php file you will need to change your db user and password.
I have given examples on how to read from the database with PDO as well as write to the database with PDO. As for design..... I am a developer and not a designer. So, there is nothing pretty about my forms. However, if you will take the time to study the code, you will gain a basic understanding of PDO.
I also used some basic JavaScript validation for the form elements and then as a added feature, I created a JavaScript "Captcha". However, as I mention in my comments, it is for demostration only. We really don't want to use JavaScript for validation and especially not for a captcha because it can be bypassed very easily.
I sincerely hope that you enjoy this code and learn from it.
Don't forget to vote for me!
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