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Feb 20th, 2020
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  1.  
  2.  
  3. <h3>GET</h3>
  4.  
  5. <?php
  6.  
  7. if($_SERVER['REQUEST_METHOD'] == "POST"){
  8. echo 'Yarr';
  9. }
  10.  
  11. if(array_key_exists('nev', $_GET) && !empty($_GET['nev'])) {
  12. echo "Nev: " ,$_GET['nev'], "<br>", "jelszó: " ,$_GET['jelszó'];
  13. }
  14.  
  15. ?>
  16.  
  17.  
  18.  
  19.  
  20.  
  21. <!-- action="" -->
  22. <form method="GET">
  23. <input type="text" name="nev">
  24. <input type="password" name="jelszó">
  25. <input type ="submit">
  26. </form>
  27.  
  28. <br>
  29. <?php
  30. if(array_key_exists('p', $_GET )&& !empty($_GET['p'])) {
  31. switch ($_GET['p']) {
  32. case 'home': echo 'home'; break;
  33. case 'login': echo 'login'; break;
  34. default: echo '404'; break;
  35. }
  36. } else{
  37. echo "HOME";
  38. }?>
  39. <br>
  40.  
  41. <a href="?p=home">Home</a> <br>
  42. <a href="?p=login">Login</a> <br>
  43.  
  44. <?php
  45.  
  46.  
  47. if ($_SERVER['REQUEST_METHOD'] =='POST') {
  48. $error = "";
  49.  
  50. if (!array_key_exists('nev', $_POST) || empty($_POST['nev'])) {
  51. $error .= "A név mező kötelező! <br>";
  52. }
  53.  
  54. if (!array_key_exists('jelszó', $_POST) || empty($_POST['jelszó'])) {
  55. $error .= "A jelszó mező kötelező! <br>";
  56. }
  57.  
  58. if($error == "") {
  59. $nev = $jelszó = "";
  60.  
  61. $nev = $_POST['nev'];
  62. $jelszó = $_POST['jelszó'];
  63.  
  64. echo $nev, "," , $jelszó;
  65.  
  66. } else {
  67. echo $error;
  68. }
  69.  
  70.  
  71. }
  72.  
  73. ?>
  74.  
  75.  
  76. <H3>POST</H3>
  77.  
  78.  
  79. <form method="POST">
  80. <input type="text" name="nev">
  81. <input type="password" name="jelszó">
  82. <input type ="submit">
  83. </form>
  84.  
  85.  
  86.  
  87. <br>
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