Using the HTML Form is very important in creating a PHP application, because it serves as a holder of information from a website's visitors and then use the PHP to process that information.
Heres the simple HTML Form.
The code below is a simple HTML Form with a two input boxes for Fullname, E-mail Address and a submit button. When the user click the submit button, the data in the form will be sent to the HTTP POST method to be processed in a PHP file called “processData.php”.
<h1>Sample HTML Form</h1>
<form action="processData.php" method="post">
FullName:<input type="text" name="fullname" /><br />
<input type="submit" />
Code for processData.php: