HenkHouderij
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dont see how to close the Topic as solved ?
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Looks like its solved ! , thanks QuickOldCar. you pointed out some good points + with the thread i found i did build page2 with; include("page3.php") and now i can see the session[macid] is still there. now i can clean up and focus on get the mysql/filter code up to date.
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Thanks ! , i'm building and learning at the same time. i did leave out as much as possible code to keep the starter question simple. meanwhile i found also some other thread about it and pointing me in the good direction i think. http://stackoverflow.com/questions/3935359/php-session-variables-lost-on-header-redirect-using-php-self-in-the-form-action enough for me to work with for now.
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Some code from my pages , Page1 ( Redirecting page ) <html> <title>login_redirect.</title> body> <form name="redirect" action="http://mysite/page2.php" method="post"> <input type="hidden" name="mac" value="$(mac)"> </form> <script language="JavaScript"> <!-- document.redirect.submit(); //--> </script> </body> </html> Page 2 ( select product ) <?php session_start(); ini_set('display_errors',1); error_reporting(E_ALL); include '../lib/config.php'; include '../lib/opendb.php'; // get user mac adres from redirect post page1 $_SESSION['macid'] = $_POST['mac']; // set $macid for other use ( maybe not needed, am learning ) $macid = $_SESSION['macid']; // echo $macid does show mac adress, so variable is not empty here if (!empty($_POST["submit"])) { $product_choice = $_POST['accounttype']; $query= "SELECT AccountIndex, AccountCost, AccountName FROM AccountTypes WHERE AccountIndex='$product_choice'"; $result = mysql_query($query) or die('Query failed. ' . mysql_error()); while($row = mysql_fetch_array($result)) { $_SESSION['AccountIndex'] = $row['AccountIndex']; $_SESSION['AccountCost'] = $row['AccountCost']; $_SESSION['AccountName'] = $row['AccountName']; } header('Location: page3.php'); } // did leave out the other/html/form stuff here Page 3 ( show Session variables ) <?php ini_set('display_errors',1); error_reporting(E_ALL); session_start(); print_r($_SESSION); ?> Now, on page 3 i do see the right session varables, only the "macid" is empty. why ?