Created
September 8, 2017 02:46
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Sample PHP code
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| <?php | |
| $is_correct = false; | |
| $answer = ""; | |
| if (isset($_POST['answer'])) { | |
| $answer = $_POST['answer']; | |
| if ($answer == 150) { | |
| $is_correct = true; | |
| } | |
| } | |
| ?> | |
| <!DOCTYPE html> | |
| <title>問答題</title> | |
| <h1>100 + 100 / 2 = ?</h1> | |
| <?php if ($answer==""): ?> | |
| <form action="" method="POST"> | |
| <input type="text" name="answer" autofocus> | |
| <input type="submit"> | |
| </form> | |
| <?php else: ?> | |
| <p><?= $answer ?></p> | |
| <?php if ($is_correct): ?> | |
| <p><strong>Correct!</strong></p> | |
| <?php else: ?> | |
| <p><strong>Incorrect. Let's make another try.</strong></p> | |
| <form action="" method="POST"> | |
| <input type="text" name="answer" value="<?= $answer ?>" autofocus> | |
| <input type="submit"> | |
| </form> | |
| <?php endif; ?> | |
| <?php endif; ?> | |
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