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Pass Variable Across Files


sircharlo
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Hey guys. I'm beginning to explore PHP and it is very interesting.However i'm completely stumped for this one.Here goes: I have a page called index.php.

<?php // Create the titleif (isset($_GET['page'])){   $page = str_replace('/', '/', str_replace('..', '', $_GET['page']));   $titletext = ucwords(str_replace('_', ' ', $_GET['page']));}else{   $page = 'home'; // Default page to show   $titletext = 'Les Trucs de Florence';}   $titletext = 'Les Trucs de Florence';include("top.php"); ?><?phprequire_once($page.'.php'); // Assuming all pages that will be included are using a .php extension.?> <?php include("bottom.php"); ?>

This page calls various other PHP files, for the header and such.Now, on one of my pages, I have a form. When the user fills in the form correctly, I have no problems ! But if the user does not, the formmail.php script is designed to let the user know exactly what he did wrong.

<?/*############################################################################### PLEASE DO NOT REMOVE THIS HEADER!!!## COPYRIGHT NOTICE## FormMail.php v5.0# Copyright 2000-2004 Ai Graphics and Joe Lumbroso © All rights reserved.# Created 07/06/2000   Last Modified 10/28/2003# Joseph Lumbroso, [url="http://www.aigraphics.com"]http://www.aigraphics.com[/url], [url="http://www.dtheatre.com"]http://www.dtheatre.com[/url]#                  [url="http://www.dtheatre.com/scripts/"]http://www.dtheatre.com/scripts/[/url]################################################################################ This cannot and will not be inforced but I would appreciate a link back# to any of these sites:# [url="http://www.dtheatre.com"]http://www.dtheatre.com[/url]# [url="http://www.aigraphics.com"]http://www.aigraphics.com[/url]# [url="http://www.dtheatre.com/scripts/"]http://www.dtheatre.com/scripts/[/url]## THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR# OTHER DEALINGS IN THE SOFTWARE.###############################################################################*/// for ultimate security, use this instead of using the form$recipient = 'anonymous@email.net'; // youremail@domain.com// bcc emails (separate multiples with commas (,))$bcc = "";// referers.. domains/ips that you will allow forms to// reside on.$referers = array ('www.trucsdeflorence.com','trucsdeflorence.com','www.florencehealing.com','florencehealing.com','olis-mac.local');// banned emails, these will be email addresses of people// who are blocked from using the script (requested)$banlist = array ('www.stupidwebsite.com');// field / value seperatordefine("SEPARATOR", ($separator)?$separator:": ");// content newlinedefine("NEWLINE", ($newline)?$newline:"\n");// formmail version (for debugging mostly)define("VERSION", "5.0");// our mighty error function..function print_error($reason,$type = 0) {   //build_body($title, $bgcolor, $text_color, $link_color, $vlink_color, $alink_color, $style_sheet);   // for missing required data   if ($type == "missing") {      if ($missing_field_redirect) {         header("Location: $missing_field_redirect?error=$reason");         exit;      } else {      ?>      The form was not submitted for the following reasons:<p>      <ul><?      echo $reason."\n";      ?></ul>      Please use your browser's back button to return to the form and try again.<?      }   } else { // every other error      ?>      The form was not submitted because of the following reasons:<p>      <?   }   echo "<br><br>\n";   echo "<small>This form is powered by <a href=\"http://www.dtheatre.com/scripts/\">Jack's Formmail.php ".VERSION."</a></small>\n\n";   exit;}// function to check the banlist// suggested by a whole lot of people.. Thanksfunction check_banlist($banlist, $email) {   if (count($banlist)) {      $allow = true;      foreach($banlist as $banned) {         $temp = explode("@", $banned);         if ($temp[0] == "*") {            $temp2 = explode("@", $email);            if (trim(strtolower($temp2[1])) == trim(strtolower($temp[1])))               $allow = false;         } else {            if (trim(strtolower($email)) == trim(strtolower($banned)))               $allow = false;         }      }   }   if (!$allow) {      print_error("Votre adresse email est bannie.");   }}// function to check the referer for security reasons.// contributed by some one who's name got lost.. Thanks// goes out to him any way.function check_referer($referers) {   if (count($referers)) {      $found = false;      $temp = explode("/",getenv("HTTP_REFERER"));      $referer = $temp[2];            if ($referer=="") {$referer = $_SERVER['HTTP_REFERER'];         list($remove,$stuff)=split('//',$referer,2);         list($home,$stuff)=split('/',$stuff,2);         $referer = $home;      }            for ($x=0; $x < count($referers); $x++) {         if (eregi ($referers[$x], $referer)) {            $found = true;         }      }      if ($referer =="")         $found = false;      if (!$found){         print_error("Le formulaire que vous avez rempli se trouve sur un site Web non-autorisé.");         error_log("[FormMail.php] Illegal Referer. (".getenv("HTTP_REFERER").")", 0);      }         return $found;      } else {         return true; // not a good idea, if empty, it will allow it.   }}if ($referers)   check_referer($referers);if ($banlist)   check_banlist($banlist, $email);// This function takes the sorts, excludes certain keys and // makes a pretty content string.function parse_form($array, $sort = "") {   // build reserved keyword array   $reserved_keys[] = "MAX_FILE_SIZE";   $reserved_keys[] = "required";   $reserved_keys[] = "redirect";   $reserved_keys[] = "require";   $reserved_keys[] = "path_to_file";//   $reserved_keys[] = "recipient";   $reserved_keys[] = "sujet";   $reserved_keys[] = "sort";   $reserved_keys[] = "style_sheet";   $reserved_keys[] = "bgcolor";   $reserved_keys[] = "text_color";   $reserved_keys[] = "link_color";   $reserved_keys[] = "vlink_color";   $reserved_keys[] = "alink_color";   $reserved_keys[] = "title";   $reserved_keys[] = "missing_fields_redirect";   $reserved_keys[] = "env_report";   $reserved_keys[] = "submit";   if (count($array)) {      if (is_array($sort)) {         foreach ($sort as $field) {            $reserved_violation = 0;            for ($ri=0; $ri<count($reserved_keys); $ri++)               if ($array[$field] == $reserved_keys[$ri]) $reserved_violation = 1;            if ($reserved_violation != 1) {               if (is_array($array[$field])) {                  for ($z=0;$z<count($array[$field]);$z++)                     $content .= $field.SEPARATOR.$array[$field][$z].NEWLINE;               } else                  $content .= $field.SEPARATOR.$array[$field].NEWLINE;            }         }      }      while (list($key, $val) = each($array)) {         $reserved_violation = 0;         for ($ri=0; $ri<count($reserved_keys); $ri++)            if ($key == $reserved_keys[$ri]) $reserved_violation = 1;         for ($ri=0; $ri<count($sort); $ri++)            if ($key == $sort[$ri]) $reserved_violation = 1;         // prepare content         if ($reserved_violation != 1) {            if (is_array($val)) {               for ($z=0;$z<count($val);$z++)                  $content .= $key.SEPARATOR.$val[$z].NEWLINE;            } else               $content .= $key.SEPARATOR.$val.NEWLINE;         }      }   }   return $content;}// mail the content we figure out in the following stepsfunction mail_it($content, $sujet, $email, $recipient) {   global $attachment_chunk, $attachment_name, $attachment_type, $attachment_sent, $bcc;//   $ob = "----=_OuterBoundary_000";//   $ib = "----=_InnerBoundery_001";   //   $headers  = "MIME-Version: 1.0\r\n";    $headers .= "From: ".$email."\n"; //   $headers .= "To: ".$recipient."\n";    $headers .= "Reply-To: ".$email."\n";//   if ($bcc) $headers .= "Bcc: ".$bcc."\n"; //   $headers .= "X-Priority: 1\n"; //   $headers .= "X-Mailer: DT Formmail".VERSION."\n"; //   $headers .= "Content-Type: multipart/mixed;\n\tboundary=\"".//$ob."\"\n";             //   $message  = "This is a multi-part message in MIME format.\n";//   $message .= "\n--".$ob."\n";//   $message .= "Content-Type: multipart/alternative;\n\tboundary=\"".//     $ib."\"\n\n";//   $message .= "\n--".$ib."\n";//   $message .= "Content-Type: text/plain;\n\tcharset=\"utf-8\"\n";//   $message .= "Content-Transfer-Encoding: quoted-printable\n\n";   $message .= $content."\n\n";//   $message .= "\n--".$ib."--\n";//   if ($attachment_name && !$attachment_sent) {//      $message .= "\n--".$ob."\n";//      $message .= "Content-Type: $attachment_type;\n\tname=\"".//        $attachment_name."\"\n";//      $message .= "Content-Transfer-Encoding: base64\n";//      $message .= "Content-Disposition: attachment;\n\tfilename=\"".//        $attachment_name."\"\n\n";//      $message .= $attachment_chunk;//      $message .= "\n\n";//      $attachment_sent = 1;// }   $message .= "\n--".$ob."--\n";      mail($recipient, $sujet, $message, $headers);}// take in the body building arguments and build the body tag for page display//function build_body($title, $bgcolor, $text_color, $link_color, $vlink_color, $alink_color, $style_sheet) {//   if ($style_sheet)//      echo "<LINK rel=STYLESHEET href=\"$style_sheet\" Type=\"text/css\">\n";//   if ($title)//      echo "<title>$title</title>\n";//   if (!$bgcolor)//      $bgcolor = "#FFFFFF";//   if (!$text_color)//      $text_color = "#000000";//   if (!$link_color)//      $link_color = "#0000FF";//   if (!$vlink_color)//      $vlink_color = "#FF0000";//   if (!$alink_color)//      $alink_color = "#000088";//   if ($background)//      $background = "background=\"$background\"";//   echo "<body bgcolor=\"$bgcolor\" text=\"$text_color\" link=\"$link_color\" vlink=\"$vlink_color\" alink=\"$alink_color\" $background>\n\n";//}// check for a recipient email address and check the validity of it// Thanks to Bradley miller (bradmiller@accesszone.com) for pointing// out the need for multiple recipient checking and providing the code.$recipient_in = split(',',$recipient);for ($i=0;$i<count($recipient_in);$i++) {   $recipient_to_test = trim($recipient_in[$i]);   if (!eregi("^[_\\.0-9a-z-]+@([0-9a-z][0-9a-z-]+\\.)+[a-z]{2,6}{:content:}quot;, $recipient_to_test)) {      print_error("Votre adresse email n'est pas valide.");   }}// This is because I originally had it require but too many people// were used to Matt's Formmail.pl which used required instead.if ($required)   $require = $required;// handle the required fieldsif ($require) {   // seperate at the commas   $require = ereg_replace( " +", "", $require);   $required = split(",",$require);   for ($i=0;$i<count($required);$i++) {      $string = trim($required[$i]);      // check if they exsist      if((!(${$string})) || (!(${$string}))) {         // if the missing_fields_redirect option is on: redirect them         if ($missing_fields_redirect) {            header ("Location: $missing_fields_redirect");            exit;         }         $require;         $missing_field_list .= "<b>Missing: $required[$i]</b><br>\n";      }   }   // send error to our mighty error function   if ($missing_field_list)      print_error($missing_field_list,"missing");}// check the email fields for validityif (($email) || ($EMAIL)) {   $email = trim($email);   if ($EMAIL) $email = trim($EMAIL);   if (!eregi("^[_\.0-9a-z-]+@([0-9a-z][0-9a-z-]+\.)+[a-z]{2,6}{:content:}quot;, $email))      print_error("Veuillez entrer une adresse email valide.");   $EMAIL = $email;}// check zipcodes for validityif (($ZIP_CODE) || ($zip_code)) {   $zip_code = trim($zip_code);   if ($ZIP_CODE) $zip_code = trim($ZIP_CODE);   if (!ereg("(^[0-9]{5})-([0-9]{4}$)", trim($zip_code)) && (!ereg("^[a-zA-Z][0-9][a-zA-Z][[:space:]][0-9][a-zA-Z][0-9]{:content:}quot;, trim($zip_code))) && (!ereg("(^[0-9]{5})", trim($zip_code))))      print_error("Votre code postal n'est pas valide.");}// check phone for validityif (($PHONE_NO) || ($phone_no)) {   $phone_no = trim($phone_no);   if ($PHONE_NO) $phone_no = trim($PHONE_NO);   if (!ereg("(^(.*)[0-9]{3})(.*)([0-9]{3})(.*)([0-9]{4}$)", $phone_no))      print_error("Votre numéro de téléphone n'est pas valide.");}// check phone for validityif (($FAX_NO) || ($fax_no)) {   $fax_no = trim($fax_no);   if ($FAX_NO) $fax_no = trim($FAX_NO);   if (!ereg("(^(.*)[0-9]{3})(.*)([0-9]{3})(.*)([0-9]{4}$)", $fax_no))      print_error("Votre numéro de télécopieur n'est pas valide.");}// sort alphabetic or prepare an orderif ($sort == "alphabetic") {   uksort($HTTP_POST_VARS, "strnatcasecmp");} elseif ((ereg('^order:.*,.*', $sort)) && ($list = explode(',', ereg_replace('^order:', '', $sort)))) {   $sort = $list;}   // prepare the content$content = parse_form($HTTP_POST_VARS, $sort);// check for an attachment if there is a file upload itif ($attachment_name) {   if ($attachment_size > 0) {      if (!$attachment_type) $attachment_type =  "application/unknown";      $content .= "Attached File: ".$attachment_name."\n";      $fp = fopen($attachment,  "r");      $attachment_chunk = fread($fp, filesize($attachment));      $attachment_chunk = base64_encode($attachment_chunk);      $attachment_chunk = chunk_split($attachment_chunk);   }}// check for a file if there is a file upload itif ($file_name) {   if ($file_size > 0) {      if (!ereg("/{:content:}quot;, $path_to_file))         $path_to_file = $path_to_file."/";      $location = $path_to_file.$file_name;      if (file_exists($path_to_file.$file_name))         $location = $path_to_file.rand(1000,3000).".".$file_name;      copy($file,$location);      unlink($file);      $content .= "Fichier transféré: ".$location."\n";   }}// second file (see manual for instructions on how to add more.)if ($file2_name) {   if ($file_size > 0) {      if (!ereg("/{:content:}quot;, $path_to_file))         $path_to_file = $path_to_file."/";      $location = $path_to_file.$file2_name;      if (file_exists($path_to_file.$file2_name))         $location = $path_to_file.rand(1000,3000).".".$file2_name;      copy($file2,$location);      unlink($file2);      $content .= "Fichier transféré: ".$location."\n";   }}// if the env_report option is on: get eviromental variablesif ($env_report) {   $env_report = ereg_replace( " +", "", $env_report);   $env_reports = split(",",$env_report);   $content .= "\n------ eviromental variables ------\n";   for ($i=0;$i<count($env_reports);$i++) {      $string = trim($env_reports[$i]);      if ($env_reports[$i] == "REMOTE_HOST")         $content .= "REMOTE HOST: ".$REMOTE_HOST."\n";      if ($env_reports[$i] == "REMOTE_USER")         $content .= "REMOTE USER: ". $REMOTE_USER."\n";      if ($env_reports[$i] == "REMOTE_ADDR")         $content .= "REMOTE ADDR: ". $REMOTE_ADDR."\n";      if ($env_reports[$i] == "HTTP_USER_AGENT")         $content .= "BROWSER: ". $HTTP_USER_AGENT."\n";   }}// send it offmail_it(stripslashes($content), ($sujet)?stripslashes($sujet):"Form Submission", $email, $recipient);//if (file_exists($ar_file)) {//   $fd = fopen($ar_file, "rb");//   $ar_message = fread($fd, filesize($ar_file));//   fclose($fd);//   mail_it($ar_message, ($ar_sujet)?stripslashes($ar_sujet):"RE: Form Submission", ($ar_from)?$ar_from:$recipient, $email);//}// if the redirect option is set: redirect themif ($redirect) {   header("Location: $redirect");   exit;}// <----------    THE END    ----------> //   

The reason for the error is contained, as far as i can tell, in the variable $reason. However, I have no idea how to get that variable from my page after. Here's what happens:User loads home page (which is index.php).User clicks on Question (which is a link to index.php?page=question, which essentially replaces the body part of index.php with the content of question.php).User submits incorrectly filled form. (script is formmail.php)Formmail.php parses form, finds incorrect data, and dumps result into $reason.And, i believe, everything is in this crucial bit of code:

<?php include("ads-left.php"); ?><?php include("ads-right.php"); ?>   <div id='center'>      <p>Le formulaire n'a pas été envoyé. Voici la raison:</p>      <ul class="error"><?          echo  $reason;      ?></ul>      Veuillez entrer les données requises puis essayer de nouveau.                            </div>

So, it should work, right ? But it doesn't !!!Why ?Try it out live here.

Edited by SirCharlo
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I don't see a GET request for the error variable in your URL.

<p>Le formulaire n'a pas été envoyé. Voici la raison:</p><ul class="error"><?$reason = $_GET['error'];echo $reason;?></ul>Veuillez entrer les données requises puis essayer de nouveau.

I also tested out the page and saw that your error variable in your URL had no value. Are you sure you're passing a value for your $reason variable before it redirects to the error page?

Edited by RahXephon
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Are you sure you're passing a value for your $reason variable before it redirects to the error page?
No, I'm probably not, that's just it, i don't know how !The $reason variable is in the form of a unordered list, with each error consisting in one list item. I would prefer not passing this potentially large variable through the URL. Isn't there a way to state some sort of global variable, which would survive through different pages ?
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