Complete Code For Getting Multiple Input Checkbox Data Using PHP.
<!DOCTYPE html> <html> <head> <title>How To Implement PHP Code For Swapping 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;">PHP Code For Swapping Two Numbers</h1> </div> <div class="well"> <form action="" method="post" enctype="multipart/form-data"> <h3>Select Languages:</h3> <label>PHP</label> <input type="checkbox" name="lang[]" value="PHP"><br><br> <label>HTML</label> <input type="checkbox" name="lang[]" value="HTML"><br><br> <label>JAVASCRIPT</label> <input type="checkbox" name="lang[]" value="JAVASCRIPT"><br><br> <input type="submit" value="submit" class="btn btn-success" name="submit"> </form> <?php if (isset($_POST['submit'])) { print_r($_POST['lang']); } ?> </div> </div> </body> </html>