ContributionBeg1/php at main · InsiderCloud/ContributionBeg1 · GitHub

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<html>
<body>
<form method="post">
    Enter a number:
    <input type="number" name="number">
    <input type="submit" value="Submit">
</form>
</body>
</html>
<?php
    if($_POST){
        $number = $_POST['number'];
        //if the reminder is 0 then the number is even otherwise the number is odd
        if(($number % 2) == 0){
            echo "$number is an Even number";
        }else{
            echo "$number is Odd number";
        }
    }
?>
<?php
if(isset($_POST['sub'])){
	$num1=$_POST['n1'];
	$num2=$_POST['n2'];
	$oprnd=$_POST['sub'];
	if($oprnd=="+")
		$ans=$num1+$num2;
	else if($oprnd=="-")
		$ans=$num1-$num2;
	else if($oprnd=="x")
		$ans=$num1*$num2;
	else if($oprnd=="/")
		$ans=$num1/$num2;
}?>

<?php
   ob_start();
   session_start();
?>

<?
   // error_reporting(E_ALL);
   // ini_set("display_errors", 1);
?>

<html lang = "en">

   <head>
      <title>Tutorialspoint.com</title>
      <link href = "css/bootstrap.min.css" rel = "stylesheet">

      <style>
         body {
            padding-top: 40px;
            padding-bottom: 40px;
            background-color: #ADABAB;
         }

         .form-signin {
            max-width: 330px;
            padding: 15px;
            margin: 0 auto;
            color: #017572;
         }

         .form-signin .form-signin-heading,
         .form-signin .checkbox {
            margin-bottom: 10px;
         }

         .form-signin .checkbox {
            font-weight: normal;
         }

         .form-signin .form-control {
            position: relative;
            height: auto;
            -webkit-box-sizing: border-box;
            -moz-box-sizing: border-box;
            box-sizing: border-box;
            padding: 10px;
            font-size: 16px;
         }

         .form-signin .form-control:focus {
            z-index: 2;
         }

         .form-signin input[type="email"] {
            margin-bottom: -1px;
            border-bottom-right-radius: 0;
            border-bottom-left-radius: 0;
            border-color:#017572;
         }

         .form-signin input[type="password"] {
            margin-bottom: 10px;
            border-top-left-radius: 0;
            border-top-right-radius: 0;
            border-color:#017572;
         }

         h2{
            text-align: center;
            color: #017572;
         }
      </style>

   </head>

   <body>

      <h2>Enter Username and Password</h2>
      <div class = "container form-signin">

         <?php
            $msg = '';

            if (isset($_POST['login']) && !empty($_POST['username'])
               && !empty($_POST['password'])) {

               if ($_POST['username'] == 'tutorialspoint' &&
                  $_POST['password'] == '1234') {
                  $_SESSION['valid'] = true;
                  $_SESSION['timeout'] = time();
                  $_SESSION['username'] = 'tutorialspoint';

                  echo 'You have entered valid use name and password';
               }else {
                  $msg = 'Wrong username or password';
               }
            }
         ?>
      </div> <!-- /container -->

      <div class = "container">

         <form class = "form-signin" role = "form"
            action = "<?php echo htmlspecialchars($_SERVER['PHP_SELF']);
            ?>" method = "post">
            <h4 class = "form-signin-heading"><?php echo $msg; ?></h4>
            <input type = "text" class = "form-control"
               name = "username" placeholder = "username = tutorialspoint"
               required autofocus></br>
            <input type = "password" class = "form-control"
               name = "password" placeholder = "password = 1234" required>
            <button class = "btn btn-lg btn-primary btn-block" type = "submit"
               name = "login">Login</button>
         </form>

         Click here to clean <a href = "logout.php" tite = "Logout">Session.

      </div>

   </body>
</html>
<?php
$file_url = 'http://www.javatpoint.com/f.txt';
header('Content-Type: application/octet-stream');
header("Content-Transfer-Encoding: utf-8");
header("Content-disposition: attachment; filename=\"" . basename($file_url) . "\"");
readfile($file_url);
?>