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- <?php
- session_start();
- $v1 = rand(1,5);
- $v2 = rand(1,5);
- $_SESSION['soma'] = $v1+$v2;
- if(isset($_POST['submit'])=="submit") {
- extract($_POST);
- if($soma==$hidden) {
- echo "CORRETO";
- } else {
- echo "ERRADO";
- }
- }
- ?>
- <form action="" method="post">
- Soma: <?php echo "$v1+$v2="; ?>
- <input type="hidden" name="hidden" value="<?php echo $_SESSION['soma']; ?>">
- <input type="text" name="soma" value="" size="3">
- <input type="submit" name="submit">
- </form>
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