Complete Code For Implementing PHP Code For Subtracting Two Numbers.
<!DOCTYPE html> <html> <head> <title>How To Implement PHP Code For Subtracting Two Numbers</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet"> </head> <style> body { background: black; } </style> <body> <body> <div class="container"> <br/><br/> <div class="text-center"> <h1 id="color" style="color: white;">Implement PHP Code For Subtracting Two Numbers</h1> </div> <div class="well"> <form action="" method="post" enctype="multipart/form-data"> <label>Number 1</label> <input type="text" name="number1" value=""><br><br> <label>Number 2</label> <input type="text" name="number2" value=""><br><br> <input type="submit" value="submit" class="btn btn-success" name="submit"> </form> <?php if (isset($_POST['submit'])) { $n1=$_POST['number1']; $n2=$_POST['number2']; $output =$n1-$n2; echo "$n1 - $n2 =".$output ; } ?> </div> </div> </body> </html>