PHP session variable

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  • twinklyblue
    New Member
    • Jun 2007
    • 37
    #1

    PHP session variable

    Hi team,

    I am just a beginner programmer on PHP and I was wondering if anybody can help me with this problem.

    I am trying to set-up the PHP session variable but I wasnt able to print the said session variable in the next page. Here's an excerpt from the origin page. This was placed in the start of the PHP file:

    <?php
    session_start() ;
    $_SESSION['session_var'] = "testing";
    ?>

    Then I was trying to print out the session variable in the second PHP page but nothing displayed:
    <?php
    session_start() ;
    $session_var = $_SESSION['session_var'];
    echo "session_va r =".$session_var ;
    ?>

    I am using PHP 5.2.2 and apache 2.2.4 in winXP. More FYI, I am running on Japanese OS (If this info can help). Thank you for all responses.
    Tags: None
    • ak1dnar
      Recognized Expert Top Contributor
      • Jan 2007
      • 1584
      #2
      Is there any link from the first page to second page.

      [PHP]<?php
      session_start() ;
      $_SESSION['session_var'] = "testing";
      print('<a href="second_pa ge.php">second_ page.php</a>');
      ?>
      [/PHP]

      How did you call for the second page after executing first.

        Comment

        • twinklyblue
          New Member
          • Jun 2007
          • 37
          #3
          I have a form going from page1 to page2. Here's the code of the first page:

          <?php
          session_start() ;
          $_SESSION['session_var'] = "testing";
          session_registe r($_SESSION['session_var'] );
          ?>
          <html>
          <body>
          <p>This is a test of the sessions feature
          <form action="session Test2.php" method = "POST">
          <input type="text" name="form_var" value ="testing">
          <input type="submit" value="Go to the next page">
          </body>
          </html>

          Thanks for the reply :)

            Comment

            • twinklyblue
              New Member
              • Jun 2007
              • 37
              #4
              And here's the code for the second page (might as well put it) :)


              <?php
              session_start() ;
              ?>
              <html>
              <body>
              <?php
              $session_var = $_REQUEST['session_var'];
              echo "session_va r =".$session_var ."<br>\n";
              ?>
              </body>
              </html>

                Comment

                • ak1dnar
                  Recognized Expert Top Contributor
                  • Jan 2007
                  • 1584
                  #5
                  Originally posted by twinklyblue
                  And here's the code for the second page (might as well put it) :)


                  <?php
                  session_start() ;
                  ?>
                  <html>
                  <body>
                  <?php
                  $session_var = $_REQUEST['session_var'];
                  echo "session_va r =".$session_var ."<br>\n";
                  ?>
                  </body>
                  </html>
                  It seems like the probem is with your php configuration. In my end the script is working perfectly.
                  run a phpinfo() and find out the session is enabled or not.

                    Comment

                    • jx2
                      New Member
                      • Feb 2007
                      • 228
                      #6
                      page 1
                      u SHOULDNT use session_registe r(); if you use $_SESSION[]
                      session_registe r register variable $_SESSION[] and $_SESSION[] trying to register itself.... bad idea:-)

                      get rid the line: session_registe r($_SESSION['session_var']);

                      IT SHOULD WORK FINE
                      i tried it :-)
                      regards
                      jx2

                        Comment

                        • twinklyblue
                          New Member
                          • Jun 2007
                          • 37
                          #7
                          Originally posted by ajaxrand
                          It seems like the probem is with your php configuration. In my end the script is working perfectly.
                          run a phpinfo() and find out the session is enabled or not.
                          Hi ajaxrand,
                          Tried to check it.. but the set-up is okay. Here's what I have in my phpinfo.php:(

                          session
                          Session Support enabled
                          Registered save handlers files user
                          Registered serializer handlers php php_binary wddx

                            Comment

                            • twinklyblue
                              New Member
                              • Jun 2007
                              • 37
                              #8
                              Originally posted by jx2
                              page 1
                              u SHOULDNT use session_registe r(); if you use $_SESSION[]
                              session_registe r register variable $_SESSION[] and $_SESSION[] trying to register itself.... bad idea:-)

                              get rid the line: session_registe r($_SESSION['session_var']);

                              IT SHOULD WORK FINE
                              i tried it :-)
                              regards
                              jx2
                              Hi jx2,

                              I also did what you suggested and it still didnt work. Apparently, the one that I pasted was the old code..sorry..

                                Comment

                                • jx2
                                  New Member
                                  • Feb 2007
                                  • 228
                                  #9
                                  well
                                  after i did "my"corecti on to your first file i tried it and it did worked :-)

                                  what i do in a case like that i print all variables to see values - u will see when your $session_var get into truble

                                  try a lot of echo statments
                                  eg:
                                  echo $session_var;
                                  and move it in first file line by line (after $_SESSION) TO SEE WHATS GOING ON

                                  good luck

                                    Comment

                                    • jx2
                                      New Member
                                      • Feb 2007
                                      • 228
                                      #10
                                      and make sure there is no white space before <?php
                                      did you get any error?

                                        Comment

                                        • ak1dnar
                                          Recognized Expert Top Contributor
                                          • Jan 2007
                                          • 1584
                                          #11
                                          Originally posted by twinklyblue
                                          Hi ajaxrand,
                                          Tried to check it.. but the set-up is okay. Here's what I have in my phpinfo.php:(

                                          session
                                          Session Support enabled
                                          Registered save handlers files user
                                          Registered serializer handlers php php_binary wddx
                                          what about the value for session.auto_st art is it on or off.

                                            Comment

                                            • twinklyblue
                                              New Member
                                              • Jun 2007
                                              • 37
                                              #12
                                              Originally posted by ajaxrand
                                              what about the value for session.auto_st art is it on or off.
                                              It is set to 0. I tried to set it to 1 but still it didnt work so I reset it to 0 again :(

                                                Comment

                                                • twinklyblue
                                                  New Member
                                                  • Jun 2007
                                                  • 37
                                                  #13
                                                  Originally posted by jx2
                                                  and make sure there is no white space before <?php
                                                  did you get any error?
                                                  HI jx2,

                                                  I tried what you suggested. Here's the code I inserted in start of the second php file.

                                                  <?php
                                                  session_start() ;
                                                  echo "test ".$session_ var;
                                                  ?>

                                                  I would be glad if there is an error but unfortunately there was nothing displayed. Any more suggestions? :(

                                                    Comment

                                                    • jx2
                                                      New Member
                                                      • Feb 2007
                                                      • 228
                                                      #14
                                                      Originally posted by twinklyblue
                                                      HI jx2,

                                                      I tried what you suggested. Here's the code I inserted in start of the second php file.

                                                      <?php
                                                      session_start() ;
                                                      echo "test ".$session_ var;
                                                      ?>

                                                      I would be glad if there is an error but unfortunately there was nothing displayed. Any more suggestions? :(
                                                      nothing at all? it should show at least "test" on its own
                                                      my guess iss that u doung simple mistake:-) but u need to realise what is it :-)
                                                      try to type it at the end of the first file and see if there is something in $session_var

                                                      regards
                                                      jx2

                                                        Comment

                                                        • ak1dnar
                                                          Recognized Expert Top Contributor
                                                          • Jan 2007
                                                          • 1584
                                                          #15
                                                          Why don't you post the complete scripts for both the pages here in the forum.

                                                            Comment

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