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How to assign JavaScript variable to PHP session variable?

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迷失自我
迷失自我 2021-01-27 11:55

Here\'s javascript code that i have

  var randomnum = 30;

and here\'s PHP code
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2条回答
  • 小蘑菇
    2021-01-27 11:59

    You can't access Session directly in JavaScript.

    You can make a hidden field and pass it to your page and then use JavaScript to retrieve the object via document.getElementById

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  • 余生分开走
    2021-01-27 12:25

    Look at the following code. The PHP session is assigned to 30 from the Javascript value. however am not sure if this is good way for implementation.

    <?php
// Start the session
session_start();
?>
<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>Html Page Title</title>
</head>

<body>

    <script>
        var randomnum = 30;
     </script>

    <?php $_SESSION['numbertoguess'] = '<script>document.write(randomnum)</script>';?>
    <?php echo $_SESSION['numbertoguess']; ?>
</body>
</html>
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