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  1. <?php
  2. session_start();
  3.  
  4. // Function to display session data
  5. function displaySessionData() {
  6.     if(isset($_SESSION['name']) && isset($_SESSION['age']) && isset($_SESSION['city'])) {
  7.         echo "Name: " . $_SESSION['name'] . "<br>";
  8.         echo "Age: " . $_SESSION['age'] . "<br>";
  9.         echo "City: " . $_SESSION['city'] . "<br>";
  10.     } else {
  11.         echo "Session data not set.";
  12.     }
  13. }
  14.  
  15. // Check if form is submitted
  16. if(isset($_POST['submit'])) {
  17.     // Store form data in session variables
  18.     $_SESSION['name'] = $_POST['name'];
  19.     $_SESSION['age'] = $_POST['age'];
  20.     $_SESSION['city'] = $_POST['city'];
  21. }
  22.  
  23. // Check if user wants to delete session
  24. if(isset($_POST['delete'])) {
  25.     // Unset session variables
  26.     unset($_SESSION['name']);
  27.     unset($_SESSION['age']);
  28.     unset($_SESSION['city']);
  29.     // Destroy session
  30.     session_destroy();
  31. }
  32.  
  33. ?>
  34.  
  35. <!DOCTYPE html>
  36. <html>
  37. <head>
  38.     <title>Session Example</title>
  39. </head>
  40. <body>
  41.     <h2>Session Example</h2>
  42.     <h3>Enter Your Information:</h3>
  43.     <form method="post" action="">
  44.         Name: <input type="text" name="name"><br>
  45.         Age: <input type="text" name="age"><br>
  46.         City: <input type="text" name="city"><br>
  47.         <input type="submit" name="submit" value="Set Session">
  48.     </form>
  49.  
  50.     <h3>Session Data:</h3>
  51.     <?php displaySessionData(); ?>
  52.  
  53.     <h3>Modify Session:</h3>
  54.     <form method="post" action="">
  55.         Name: <input type="text" name="name"><br>
  56.         Age: <input type="text" name="age"><br>
  57.         City: <input type="text" name="city"><br>
  58.         <input type="submit" name="submit" value="Modify Session">
  59.     </form>
  60.  
  61.     <h3>Delete Session:</h3>
  62.     <form method="post" action="">
  63.         <input type="submit" name="delete" value="Delete Session">
  64.     </form>
  65. </body>
  66. </html>
  67.  
Success #stdin #stdout 0.03s 25996KB
comments (?)
stdin 
kala
23
cbe
stdout 
<!DOCTYPE html>
<html>
<head>
    <title>Session Example</title>
</head>
<body>
    <h2>Session Example</h2>
    <h3>Enter Your Information:</h3>
    <form method="post" action="">
        Name: <input type="text" name="name"><br>
        Age: <input type="text" name="age"><br>
        City: <input type="text" name="city"><br>
        <input type="submit" name="submit" value="Set Session">
    </form>

    <h3>Session Data:</h3>
    Session data not set.
    <h3>Modify Session:</h3>
    <form method="post" action="">
        Name: <input type="text" name="name"><br>
        Age: <input type="text" name="age"><br>
        City: <input type="text" name="city"><br>
        <input type="submit" name="submit" value="Modify Session">
    </form>

    <h3>Delete Session:</h3>
    <form method="post" action="">
        <input type="submit" name="delete" value="Delete Session">
    </form>
</body>
</html>
https://ideone.com/BRbdfu
language:
PHP (php 7.3.5)
created:
14 days ago
visibility:
public

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