Exercise 1

<!DOCTYPE html>
<html>
    <head>
        <title>Exercise 1</title>

        <link href="css/bootstrap.min.css" rel="stylesheet">
        <script src="js/bootsrap.min.js"></script>

        <style>
            body {
                background-color: greenyellow;
            }
        </style>
    </head>

    <?php
    if(isset($_POST["Submit"]))
    {
        $name = $_POST['name'];
        $matrix = $_POST['matrix'];
        $class = $_POST['class'];

        if(empty($name) || empty($matrix) || empty($class))
        {
            echo '<script>alert("Please fill the details!");</script>';
        }

    }
?>


<body>
<br>
<center>
<div class="container">
    <h1>FORM REGISTRATION</h1>
    <br>
</div>
</center>

<div class="container">
    <form action="<?php echo $_SERVER['PHP_SELF'];?>" method="POST" class="form-group">
        <label for="name"><h4>Name:</h4></label><br>
        <h4><input type="text" name="name" class="form-control"></h4>

        <br>

        <label for="matrix"><h4>Matrix:</h4></label><br>
        <h4><input type="text" name="matrix" class="form-control"></h4>

        <br>

        <label for="class"><h4>Address:</h4></label><br>
        <input type="text" name="class" class="form-control"></h4>
        <br>


        <input type="submit" name="Submit" value="Submit" class="btn btn-info">

    </form>
</div>


</body>
</html>