Joe's PHP Example

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<?php // ==================== Joseph Downey - Personalized Cookie Demo ==================== error_reporting(E_ALL); // Enable all error reporting $self = basename($_SERVER['SCRIPT_NAME']); $cook = ''; $first_variable = ''; $second_variable = ''; $submit = $_POST['submit'] ?? null; switch ($submit) { case 'Submit': $first_variable = $_POST['first_variable'] ?? null; $second_variable = $_POST['second_variable'] ?? null; if ($first_variable && $second_variable) { $full_variable = $first_variable . ' ' . $second_variable; setcookie('variable', $full_variable, time() + 60); // 60 seconds echo "<script>console.log('Cookie set: {$full_variable}');</script>"; } break; case 'Refresh': echo "<script>console.log('Refresh button clicked - no changes made');</script>"; break; case 'Delete Cookie': setcookie('variable', '', time() - 86400); // Delete cookie echo "<script>console.log('Cookie deleted');</script>"; break; } if (isset($_COOKIE['variable'])) { $cook = $_COOKIE['variable']; echo "<script>console.log('Cookie exists: {$cook}');</script>"; } else { echo "<script>console.log('No cookie detected');</script>"; } ?> <div id="page"> <head> <meta charset="utf-8"> <title>Joe's PHP Example</title> <link rel="stylesheet" href="../css/styles.css" media="screen"> </head> <?php include('includes/header.php'); ?> <div class="page-heading"> <h1>Joe's’s Cookie Demo</h1> </div> <h2>This demonstrates how a COOKIE works.</h2> <ul class="circle"> <li>Submit will save a COOKIE using the fields you enter below.</li> <li>Refresh will display the current COOKIE value.</li> <li>Delete removes the COOKIE completely.</li> <li>The COOKIE automatically expires after 60 seconds.</li> </ul> <p> Current cookie value: <span class="red"><?php echo htmlspecialchars($cook); ?></span> </p> <hr> <form name="my_form" action="<?php echo htmlspecialchars($self); ?>" method="post"> <fieldset> <legend>Enter Cookie Variables</legend> <label for="first_variable">First Value:</label> <input type="text" id="first_variable" name="first_variable" size="36"><br> <label for="second_variable">Second Value:</label> <input type="text" id="second_variable" name="second_variable" size="36"> </fieldset> <br> <input type="submit" name="submit" value="Submit"> <input type="submit" name="submit" value="Refresh"> <input type="submit" name="submit" value="Delete Cookie"> </form> <br> <?php include('includes/footer.php'); ?>