Script PHP anti SPAM - p1 (php)

  1. <?php
  2. // variabila cu "calcule" :)
  3. $calcul = array("9 + 4 = 13", "10 - 1 = 9", "3 * 4 = 12", "14 + 10 = 24", "5 + 5 = 10", "8 * 8 = 64", "100 - 25 = 75", "20 : 2 = 10");

  5. // extragem random o valoare din variabila de mai sus
  6. $calcul_random = array_rand($calcul);

  8. // extragem rezultatul din valoarea random
  9. $calcul_explode = explode("=", $calcul[$calcul_random]);
  10. $calcul_explode[1] = str_replace(" ", "", $calcul_explode[1]);
  11. ?>
  12. <html>
  13. <head><title>Calcul pentru verificare (anti spam)</title>
  14. <style type="text/css" media="screen">
  15. body {
  16. background: #F0F0F0;
  17. color: #000000;
  18. margin: 1px;
  19. padding: 1px;
  20. font: 11px verdana,tahoma,arial,sans-serif;
  21. }

  23. input {
  24. border: 1px solid #CCCCCC;
  25. background: #F0F0EE;
  26. }

  28. div#calculator {
  29. background: url('header.gif');
  30. background-repeat: repeat-x;
  31. width: 300px;
  32. margin: 0px auto;
  33. padding: 2px;
  34. font: 11px verdana,tahoma,arial,sans-serif;
  35. border-right: 2px solid #990000;
  36. border-top: 2px solid #990000;
  37. }

  39. div#calculator p {
  40. margin-left: 10px;
  41. }

  43. a:link {
  44. COLOR: #0064A6;
  45. TEXT-DECORATION: none;
  46. }
  47. a:visited {
  48. COLOR: #0064A6;
  49. TEXT-DECORATION: none
  50. }
  51. a:active {
  52. COLOR: #0064A6;
  53. TEXT-DECORATION: underline
  54. }
  55. a:hover {
  56. COLOR: #0064A6;
  57. TEXT-DECORATION: underline
  58. }
  59. </style>
  60. </head>
  61. <body>
  62. <p>&nbsp;</p>
  63. <div id="calculator">
  64. <p>Calcul pentru verificare (anti spam)</p>
  65. <form name="form" method="post" action="form_verify.php">
  66. <p><input type="text" name="calcul" size="3" maxlength="5">&nbsp;<small>Cat face <?php echo $calcul_explode[0];?>?</small></p>
  67. <p><input type="hidden" name="rezultat" value="<?php echo $calcul_explode[1];?>"></p>
  68. <p><input type="submit" name="Submit" size="" value=" Verifica >> "></p>
  69. </form>
  70. </div>
  71. </body>
  72. </html>
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