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May 30th, 2016
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  1. <!doctype html>
  2. <html lang="ru">
  3. <head>
  4. <meta charset="UTF-8">
  5. <title>Проверка купона</title>
  6. </head>
  7. <body>
  8. <form action="proverka.php" method="post">
  9. Введите купон:
  10. <input type="text" style="width:50%;" placeholder="88e3e18656d274a70518ecdcaf01aec5" name="kupon">
  11. <input type="submit" value="Проверить">
  12. </form>
  13. <br><br><br>
  14. <?php;
  15. if (!isset($_POST['kupon'])){
  16. } else {
  17. $kupon = substr($_POST['kupon'], 0, 4);
  18. $date = date("md");
  19. $dr = array("1", "2", "3", "4", "5", "6", "7", "8", "9", "0");
  20. $drr = array( "A", "B", "C", "D", "E", "F", "G", "H", "I", "J");
  21. $data = str_replace($drr, $dr, $kupon);
  22.  
  23. $kupon2 = $data * 79 * 89 * 99 * 99 * 99;
  24. $kupon2 = "$kupon-$kupon2";
  25. if ($_POST['kupon'] == $kupon2) {
  26. if($data>=$date){
  27. echo "<h1>Действительный купон!</h1>";
  28. } else {
  29. echo "<h1>Недействительный купон!</h1>";
  30. };
  31. } else {
  32. echo "<h1>Недействительный купон!</h1>";
  33. }
  34. };
  35. ?>
  36. </body>
  37. </html>
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