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index.php
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<?php
/*
#############################################################
# >>> PHPSurveyor #
#############################################################
# > Author: Jason Cleeland #
# > E-mail: jason@cleeland.org #
# > Mail: Box 99, Trades Hall, 54 Victoria St, #
# > CARLTON SOUTH 3053, AUSTRALIA #
# > Date: 20 February 2003 #
# #
# This set of scripts allows you to develop, publish and #
# perform data-entry on surveys. #
#############################################################
# #
# Copyright (C) 2003 Jason Cleeland #
# #
# This program is free software; you can redistribute #
# it and/or modify it under the terms of the GNU General #
# Public License as published by the Free Software #
# Foundation; either version 2 of the License, or (at your #
# option) any later version. #
# #
# This program is distributed in the hope that it will be #
# useful, but WITHOUT ANY WARRANTY; without even the #
# implied warranty of MERCHANTABILITY or FITNESS FOR A #
# PARTICULAR PURPOSE. See the GNU General Public License #
# for more details. #
# #
# You should have received a copy of the GNU General #
# Public License along with this program; if not, write to #
# the Free Software Foundation, Inc., 59 Temple Place - #
# Suite 330, Boston, MA 02111-1307, USA. #
#############################################################
*/
require_once(dirname(__FILE__).'/config.php');
if (!isset($surveyid)) {$surveyid=returnglobal('sid');}
//This next line is for security reasons. It ensures that the $surveyid value is never anything but a number.
if (_PHPVERSION >= '4.2.0') {settype($surveyid, "int");} else {settype($surveyid, "integer");}
session_start();
SetInterfaceLanguage(GetLanguageFromSurveyID($surveyid));
ini_set("session.bug_compat_warn", 0); //Turn this off until first "Next" warning is worked out
if ( $embedded_inc != '' )
require_once( $embedded_inc );
//DEFAULT SETTINGS FOR TEMPLATES
if (!$publicdir) {$publicdir=".";}
$tpldir="$publicdir/templates";
//CHECK FOR REQUIRED INFORMATION (sid)
if (!$surveyid)
{
//A nice exit
sendcacheheaders();
doHeader();
$output=file("$tpldir/default/startpage.pstpl");
foreach($output as $op)
{
echo templatereplace($op);
}
echo "\t\t<center><br />\n"
."\t\t\t<font color='RED'><strong>"._('ERROR')."</strong></font><br />\n"
."\t\t\t"._("You have not provided a survey identification number")."<br />\n"
."\t\t\t"._("Please contact")." $siteadminname ( $siteadminemail ) "._("for further assistance")."\n"
."\t\t</center><br />\n";
$output=file("$tpldir/default/endpage.pstpl");
foreach($output as $op)
{
echo templatereplace($op);
}
doFooter();
exit;
}
//Check to see if a refering URL has been captured.
getreferringurl();
if (!isset($token)) {$token=trim(returnglobal('token'));}
//GET BASIC INFORMATION ABOUT THIS SURVEY
$thissurvey=getSurveyInfo($surveyid);
if (is_array($thissurvey)) {$surveyexists=1;} else {$surveyexists=0;}
//SEE IF SURVEY USES TOKENS
$i = 0; $tokensexist = 0;
$tablelist = $connect->MetaTables() or die ("Error getting tokens<br />".htmlspecialchars($connect->ErrorMsg()));
foreach ($tablelist as $tbl)
{
if ($tbl == "{$dbprefix}tokens_$surveyid") {$tokensexist = 1;}
}
//SET THE TEMPLATE DIRECTORY
if (!$thissurvey['templatedir']) {$thistpl=$tpldir."/default";} else {$thistpl=$tpldir."/{$thissurvey['templatedir']}";}
if (!is_dir($thistpl)) {$thistpl=$tpldir."/default";}
//MAKE SURE SURVEY HASN'T EXPIRED
if ($thissurvey['expiry'] < date("Y-m-d") && $thissurvey['useexpiry'] == "Y")
{
sendcacheheaders();
doHeader();
$output=file("$tpldir/default/startpage.pstpl");
foreach ($output as $op)
{
echo templatereplace($op);
}
echo "\t\t<center><br />\n"
."\t\t\t"._("This survey is no longer available.")."<br /><br />\n"
."\t\t\t"._("Please contact")." <i>{$thissurvey['adminname']}</i> (<i>{$thissurvey['adminemail']}</i>) "
._("for further assistance")."<br /><br />\n";
$output=file("$tpldir/default/endpage.pstpl");
foreach ($output as $op)
{
echo templatereplace($op);
}
doFooter();
exit;
}
//CHECK FOR PREVIOUSLY COMPLETED COOKIE
//If cookies are being used, and this survey has been completed, a cookie called "PHPSID[sid]STATUS" will exist (ie: SID6STATUS) and will have a value of "COMPLETE"
$cookiename="PHPSID".returnglobal('sid')."STATUS";
if (isset($_COOKIE[$cookiename]) && $_COOKIE[$cookiename] == "COMPLETE" && $thissurvey['usecookie'] == "Y" && $tokensexist != 1 && (!isset($_GET['newtest']) || $_GET['newtest'] != "Y"))
{
sendcacheheaders();
doHeader();
$output=file("$tpldir/default/startpage.pstpl");
foreach($output as $op)
{
echo templatereplace($op);
}
echo "\t\t<center><br />\n"
."\t\t\t<font color='RED'><strong>"._("Error")."</strong></font><br />\n"
."\t\t\t"._("You have already completed this survey.")."<br /><br />\n"
."\t\t\t"._("Please contact")." <i>{$thissurvey['adminname']}</i> (<i>{$thissurvey['adminemail']}</i>) "
._("for further assistance")."<br /><br />\n";
$output=file("$tpldir/default/endpage.pstpl");
foreach($output as $op)
{
echo templatereplace($op);
}
doFooter();
exit;
}
//CHECK IF SURVEY ID DETAILS HAVE CHANGED
if (isset($_SESSION['oldsid'])) {$oldsid=$_SESSION['oldsid'];}
if (!isset($oldsid)) {$_SESSION['oldsid'] = $surveyid;}
if (isset($oldsid) && $oldsid && $oldsid != $surveyid)
{
session_unset();
$_SESSION['oldsid']=$surveyid;
}
if (isset($_GET['loadall']) && $_GET['loadall'] == "reload")
{
if (returnglobal('loadname') && returnglobal('loadpass'))
{
$_POST['loadall']="reload";
$_POST['loadname']=returnglobal('loadname');
$_POST['loadpass']=returnglobal('loadpass');
$_POST['scid']=returnglobal('scid');
}
}
//LOAD SAVED SURVEY
if (isset($_POST['loadall']) && $_POST['loadall'] == "reload")
{
$errormsg="";
// if (loadname is not set) or if ((loadname is set) and (loadname is NULL))
if (!isset($_POST['loadname']) || (isset($_POST['loadname']) && ($_POST['loadname'] == null)))
{
$errormsg .= _("You did not provide a name")."<br />\n";
}
// if (loadpass is not set) or if ((loadpass is set) and (loadpass is NULL))
if (!isset($_POST['loadpass']) || (isset($_POST['loadpass']) && ($_POST['loadpass'] == null)))
{
$errormsg .= _("You did not provide a password")."<br />\n";
}
// Load session before loading the values from the saved data
if (isset($_GET['loadall']))
{
buildsurveysession();
}
//for later use.
// --> START NEW FEATURE - SAVE
$_SESSION['holdname']=$_POST['loadname']; //Session variable used to load answers every page.
$_SESSION['holdpass']=$_POST['loadpass']; //Session variable used to load answers every page.
loadanswers();
// <-- END NEW FEATURE - SAVE
$_POST['move'] = " "._("next")." >> ";
if ($errormsg)
{
$_POST['loadall'] = _("Load unfinished survey");
}
}
//Allow loading of saved survey
if (isset($_POST['loadall']) && $_POST['loadall'] == _("Load unfinished survey"))
{
require_once("load.php");
}
//Check if TOKEN is used for EVERY PAGE
//This function fixes a bug where users able to submit two surveys/votes
//by checking that the token has not been used at each page displayed.
if ($tokensexist == 1 && returnglobal('token'))
{
//check if token actually does exist
$tkquery = "SELECT COUNT(*) FROM ".db_table_name('tokens_$surveyid')." WHERE token='".trim(returnglobal('token'))."' AND AND (completed = 'N' or completed='')";
$tkresult = db_execute_num($tkquery);
list($tkexist) = $tkresult->FetchRow();
if (!$tkexist)
{
sendcacheheaders();
doHeader();
//TOKEN DOESN'T EXIST OR HAS ALREADY BEEN USED. EXPLAIN PROBLEM AND EXIT
foreach(file("$thistpl/startpage.pstpl") as $op)
{
echo templatereplace($op);
}
foreach(file("$thistpl/survey.pstpl") as $op)
{
echo "\t".templatereplace($op);
}
echo "\t<center><br />\n"
."\t"._("This is a controlled survey. You need a valid token to participate.")."<br /><br />\n"
."\t"._("The token you have provided is either not valid, or has already been used.")."\n"
."\t"._("For further information contact")." {$thissurvey['adminname']} "
."(<a href='mailto:{$thissurvey['adminemail']}'>"
."{$thissurvey['adminemail']}</a>)<br /><br />\n"
."\t<a href='javascript: self.close()'>"._("Close this Window")."</a><br /> \n";
foreach(file("$thistpl/endpage.pstpl") as $op)
{
echo templatereplace($op);
}
exit;
}
}
//CLEAR SESSION IF REQUESTED
if (isset($_GET['move']) && $_GET['move'] == "clearall")
{
session_unset();
session_destroy();
sendcacheheaders();
if (isset($_GET['redirect'])) {
session_write_close();
header("Location: {$_GET['redirect']}");
}
doHeader();
foreach(file("$thistpl/startpage.pstpl") as $op)
{
echo templatereplace($op);
}
echo "\n\n<!-- JAVASCRIPT FOR CONDITIONAL QUESTIONS -->\n"
."\t<script type='text/javascript'>\n"
."\t<!--\n"
."\t\tfunction checkconditions(value, name, type)\n"
."\t\t\t{\n"
."\t\t\t}\n"
."\t//-->\n"
."\t</script>\n\n";
//Present the clear all page using clearall.pstpl template
foreach(file("$thistpl/clearall.pstpl") as $op)
{
echo templatereplace($op);
}
foreach(file("$thistpl/endpage.pstpl") as $op)
{
echo templatereplace($op);
}
doFooter();
exit;
}
if (isset($_GET['newtest']) && $_GET['newtest'] == "Y")
{
session_unset();
//DELETE COOKIE (allow to use multiple times)
setcookie("$cookiename", "INCOMPLETE", time()-120);
//echo "Reset Cookie!";
}
// --> START NEW FEATURE - SAVE
// SAVE POSTED ANSWERS TO DATABASE IF MOVE (NEXT,PREV,LAST, or SUBMIT) or RETURNING FROM SAVE FORM
if (isset($_POST['move']) || isset($_POST['saveprompt']))
{
require_once("save.php");
// RELOAD THE ANSWERS INCASE SOMEONE ELSE CHANGED THEM
if ($thissurvey['active'] == "Y" && $thissurvey['allowsave'] == "Y") {
loadanswers();
}
}
// --> END NEW FEATURE - SAVE
sendcacheheaders();
//CALL APPROPRIATE SCRIPT
switch ($thissurvey['format'])
{
case "A": //All in one
require_once("survey.php");
break;
case "S": //One at a time
require_once("question.php");
break;
case "G": //Group at a time
require_once("group.php");
break;
default:
require_once("question.php");
}
// --> START NEW FEATURE - SAVE
function loadanswers()
{
global $dbprefix,$surveyid,$errormsg;
global $thissurvey;
if (!isset($_POST['srid']))
{
return true;
}
if (isset($_POST['scid']))
{
$query = "SELECT * FROM {$dbprefix}saved_control INNER JOIN {$thissurvey['tablename']}
ON {$dbprefix}saved_control.srid = {$thissurvey['tablename']}.id
WHERE {$dbprefix}saved_control.sid=$surveyid\n";
if (isset($_POST['scid']))
{
$query .= "AND {$dbprefix}saved_control.scid=".auto_escape($_POST['scid'])."\n";
}
$query .="AND {$dbprefix}saved_control.identifier='".auto_escape($_SESSION['holdname'])."'
AND {$dbprefix}saved_control.access_code='".md5(auto_unescape($_SESSION['holdpass']))."'\n";
}
else
{
$query = "SELECT * FROM {$thissurvey['tablename']}
WHERE {$thissurvey['tablename']}.srid=".$_SESSION['srid']."\n";
}
$result = mysql_query($query) or die ("Error loading results<br />$query<br />".mysql_error());
if (mysql_num_rows($result) < 1)
{
$errormsg .= _("There is no matching saved survey")."<br />\n";
}
else
{
//A match has been found. Let's load the values!
//If this is from an email, build surveysession first
$row=mysql_fetch_row($result);
foreach ($row as $i => $value)
{
$column = mysql_field_name($result,$i);
if ($column == "token")
{
$_POST['token']=$value;
$token=$value;
}
if ($column == "saved_thisstep")
{
$_SESSION['step']=$value;
}
if ($column == "scid")
{
$_SESSION['scid']=$value;
}
if ($column == "srid")
{
$_SESSION['srid']=$value;
}
if ($column == "datestamp")
{
$_SESSION['datestamp']=$value;
}
else
{
//Only make session variables for those in insertarray[]
if (in_array($column, $_SESSION['insertarray']))
{
$_SESSION[$column]=$value;
}
}
} // foreach
}
return true;
}
// --> END NEW FEATURE - SAVE
function getTokenData($surveyid, $token)
{
global $dbprefix, $connect;
$query = "SELECT * FROM ".db_table_name('tokens_$surveyid')." WHERE token='$token'";
$result = db_execute_assoc($query) or die("Couldn't get token info in getTokenData()<br />".$query."<br />".htmlspecialchars($connect->ErrorMsg()));
while($row=$result->FetchRow())
{
$thistoken=array("firstname"=>$row['firstname'],
"lastname"=>$row['lastname'],
"email"=>$row['email'],
"attribute_1"=>$row['attribute_1'],
"attribute_2"=>$row['attribute_2']);
} // while
return $thistoken;
}
function makegraph($thisstep, $total)
{
global $thissurvey;
global $thistpl, $publicurl;
$chart=$thistpl."/chart.jpg";
if (!is_file($chart)) {$shchart="chart.jpg";}
else {$shchart = "$publicurl/templates/{$thissurvey['templatedir']}/chart.jpg";}
$graph = "<table class='graph' width='100' align='center' cellpadding='2'><tr><td>\n"
. "<table width='180' align='center' cellpadding='0' cellspacing='0' border='0' class='innergraph'>\n"
. "<tr><td align='right' width='40'>0% </td>\n";
$size=intval(($thisstep-1)/$total*100);
$graph .= "<td width='100' align='left'>\n"
. "<table cellspacing='0' cellpadding='0' border='0' width='100%'>\n"
. "<tr><td class='progressbar'>\n"
. "<img src='$shchart' height='12' width='$size' align='left' alt='$size% "._("complete")."'>\n"
. "</td></tr>\n"
. "</table>\n"
. "</td>\n"
. "<td align='left' width='40'> 100%</td></tr>\n"
. "</table>\n"
. "</td></tr>\n</table>\n";
return $graph;
}
function checkgroupfordisplay($gid)
{
//This function checks all the questions in a group to see if they have
//conditions, and if the do - to see if the conditions are met.
//If none of the questions in the group are set to display, then
//the function will return false, to indicate that the whole group
//should not display at all.
global $dbprefix, $connect;
$countQuestionsInThisGroup=0;
$countConditionalQuestionsInThisGroup=0;
foreach ($_SESSION['fieldarray'] as $ia) //Run through all the questions
{
if ($ia[5] == $gid) //If the question is in the group we are checking:
{
$countQuestionsInThisGroup++;
if ($ia[7] == "Y") //This question is conditional
{
$countConditionalQuestionsInThisGroup++;
$checkConditions[]=$ia; //Create an array containing all the conditional questions
}
}
}
if ($countQuestionsInThisGroup != $countConditionalQuestionsInThisGroup || !isset($checkConditions))
{
//One of the questions in this group is NOT conditional, therefore
//the group MUST be displayed
return true;
}
else
{
//All of the questions in this group are conditional. Now we must
//check every question, to see if the condition for each has been met.
//If 1 or more have their conditions met, then the group should
//be displayed.
foreach ($checkConditions as $cc)
{
$totalands=0;
$query = "SELECT * FROM ".db_table_name('conditions')."\n"
."WHERE qid=$cc[0] ORDER BY cqid";
$result = db_execute_assoc($query) or die("Couldn't check conditions<br />$query<br />".htmlspecialchars($connect->ErrorMsg()));
while($row=$result->FetchRow())
{
//Iterate through each condition for this question and check if it is met.
$query2= "SELECT type, gid FROM ".db_table_name('questions')."\n"
." WHERE qid={$row['cqid']}";
$result2=db_execute_assoc($query2) or die ("Coudn't get type from questions<br />$ccquery<br />".htmlspecialchars($connect->ErrorMsg()));
while($row2=$result2->FetchRow())
{
$cq_gid=$row2['gid'];
//Find out the "type" of the question this condition uses
$thistype=$row2['type'];
}
if ($gid == $cq_gid)
{
//Don't do anything - this cq is in the current group
}
elseif ($thistype == "M" || $thistype == "P")
{
// For multiple choice type questions, the "answer" value will be "Y"
// if selected, the fieldname will have the answer code appended.
$fieldname=$row['cfieldname'].$row['value'];
if (isset($_SESSION[$fieldname]))
{
$cfieldname=$_SESSION[$fieldname];
$cvalue="Y";
}
}
else
{
//For all other questions, the "answer" value will be the answer
//code.
if (isset($_SESSION[$row['cfieldname']]))
{
$cfieldname=$_SESSION[$row['cfieldname']];
$cvalue=$row['value'];
}
}
if ($cfieldname == $cvalue)
{
//This condition is met
//Bugfix provided by Zoran Avtarovski
if (!isset($distinctcqids[$row['cqid']]) || $distinctcqids[$row['cqid']] == 0)
{
$distinctcqids[$row['cqid']]=1;
}
}
else
{
if (!isset($distinctcqids[$row['cqid']]))
{
$distinctcqids[$row['cqid']]=0;
}
}
} // while
foreach($distinctcqids as $key=>$val)
{
//Because multiple cqids are treated as "AND", we only check
//one condition per conditional qid (cqid). As long as one
//match is found for each distinct cqid, then the condition is met.
$totalands=$totalands+$val;
}
if ($totalands >= count($distinctcqids))
{
//The number of matches to conditions exceeds the number of distinct
//conditional questions, therefore a condition has been met.
//As soon as any condition for a question is met, we MUST show the group.
return true;
}
unset($distinctcqids);
}
//Since we made it this far, there mustn't have been any conditions met.
//Therefore the group should not be displayed.
return false;
}
}
function checkconfield($value)
{
global $dbprefix, $connect;
foreach ($_SESSION['fieldarray'] as $sfa)
{
if ($sfa[1] == $value && $sfa[7] == "Y" && isset($_SESSION[$value]) && $_SESSION[$value])
{
$currentcfield="";
$query = "SELECT {$dbprefix}conditions.*, {$dbprefix}questions.type "
. "FROM {$dbprefix}conditions, {$dbprefix}questions "
. "WHERE {$dbprefix}conditions.cqid={$dbprefix}questions.qid "
. "AND {$dbprefix}conditions.qid=$sfa[0] "
. "ORDER BY {$dbprefix}conditions.qid";
$result=db_execute_assoc($query) or die($query."<br />".htmlspecialchars($connect->ErrorMsg()));
while($rows = $result->FetchRow())
{
if($rows['type'] == "M" || $rows['type'] == "P")
{
$matchfield=$rows['cfieldname'].$rows['value'];
$matchvalue="Y";
}
else
{
$matchfield=$rows['cfieldname'];
$matchvalue=$rows['value'];
}
$cqval[]=array("cfieldname"=>$rows['cfieldname'],
"value"=>$rows['value'],
"type"=>$rows['type'],
"matchfield"=>$matchfield,
"matchvalue"=>$matchvalue);
if ($rows['cfieldname'] != $currentcfield)
{
$container[]=$rows['cfieldname'];
}
$currentcfield=$rows['cfieldname'];
}
//At least one match must be found for each "$container"
$total=0;
foreach($container as $con)
{
$addon=0;
foreach($cqval as $cqv)
{//Go through each condition
if($cqv['cfieldname'] == $con)
{
if(isset($_SESSION[$cqv['matchfield']]) && $_SESSION[$cqv['matchfield']] == $cqv['matchvalue'])
{//plug succesful matches into appropriate container
$addon=1;
}
}
}
if($addon==1){$total++;}
}
if($total<count($container))
{
$_SESSION[$value]="";
}
unset($cqval);
unset($container);
}
}
}
function checkmandatorys($backok=null)
{
if ((isset($_POST['mandatory']) && $_POST['mandatory']) && (!isset($backok) || $backok != "Y"))
{
$chkmands=explode("|", $_POST['mandatory']); //These are the mandatory questions to check
$mfns=explode("|", $_POST['mandatoryfn']); //These are the fieldnames of the mandatory questions
$mi=0;
foreach ($chkmands as $cm)
{
if (!isset($multiname) || $multiname != "MULTI$mfns[$mi]") //no multiple type mandatory set, or does not match this question (set later on for first time)
{
if ((isset($multiname) && $multiname) && (isset($_POST[$multiname]) && $_POST[$multiname])) //This isn't the first time (multiname exists, and is a posted variable)
{
if ($$multiname == $$multiname2) //The number of questions not answered is equal to the number of questions
{
//The number of questions not answered is equal to the number of questions
//This section gets used if it is a multiple choice type question
if (isset($_POST['move']) && $_POST['move'] == " << "._("prev")." ") {$_SESSION['step'] = $_POST['thisstep'];}
if (isset($_POST['move']) && $_POST['move'] == " "._("next")." >> ") {$_SESSION['step'] = $_POST['thisstep'];}
if (isset($_POST['move']) && $_POST['move'] == " "._("last")." ") {$_SESSION['step'] = $_POST['thisstep']; $_POST['move'] == " "._("next")." >> ";}
$notanswered[]=substr($multiname, 5, strlen($multiname));
$$multiname=0;
$$multiname2=0;
}
}
$multiname="MULTI$mfns[$mi]";
$multiname2=$multiname."2"; //POSSIBLE CORRUPTION OF PROCESS - CHECK LATER
$$multiname=0;
$$multiname2=0;
}
else {$multiname="MULTI$mfns[$mi]";}
$dtcm = "tbdisp$cm";
if (isset($_SESSION[$cm]) && ($_SESSION[$cm] == "0" || $_SESSION[$cm]))
{
}
elseif ((!isset($_POST[$multiname]) || !$_POST[$multiname]) && (!isset($_POST[$dtcm]) || $_POST[$dtcm] == "on"))
{
//One of the mandatory questions hasn't been asnwered
if (isset($_POST['move']) && $_POST['move'] == " << "._("prev")." ") {$_SESSION['step'] = $_POST['thisstep'];}
if (isset($_POST['move']) && $_POST['move'] == " "._("next")." >> ") {$_SESSION['step'] = $_POST['thisstep'];}
if (isset($_POST['move']) && $_POST['move'] == " "._("last")." ") {$_SESSION['step'] = $_POST['thisstep']; $_POST['move'] == " "._("next")." >> ";}
$notanswered[]=$mfns[$mi];
}
else
{
//One of the mandatory questions hasn't been answered
$$multiname++;
}
$$multiname2++;
$mi++;
}
if ($multiname && isset($_POST[$multiname]) && $_POST[$multiname]) // Catch the last multiple options question in the lot
{
if ($$multiname == $$multiname2) //so far all multiple choice options are unanswered
{
//The number of questions not answered is equal to the number of questions
if (isset($_POST['move']) && $_POST['move'] == " << "._("prev")." ") {$_SESSION['step'] = $_POST['thisstep'];}
if (isset($_POST['move']) && $_POST['move'] == " "._("next")." >> ") {$_SESSION['step'] = $_POST['thisstep'];}
if (isset($_POST['move']) && $_POST['move'] == " "._("last")." ") {$_SESSION['step'] = $_POST['thisstep']; $_POST['move'] == " "._("next")." >> ";}
$notanswered[]=substr($multiname, 5, strlen($multiname));
$$multiname="";
$$multiname2="";
}
}
}
if (!isset($notanswered)) {return false;}//$notanswered=null;}
return $notanswered;
}
function checkconditionalmandatorys($backok=null)
{
if ((isset($_POST['conmandatory']) && $_POST['conmandatory']) && (!isset($backok) || $backok != "Y")) //Mandatory conditional questions that should only be checked if the conditions for displaying that question are met
{
$chkcmands=explode("|", $_POST['conmandatory']);
$cmfns=explode("|", $_POST['conmandatoryfn']);
$mi=0;
foreach ($chkcmands as $ccm)
{
if (!isset($multiname) || $multiname != "MULTI$cmfns[$mi]") //the last multipleanswerchecked is different to this one
{
if (isset($multiname) && $multiname && isset($_POST[$multiname]) && $_POST[$multiname])
{
if ($$multiname == $$multiname2) //For this lot all multiple choice options are unanswered
{
//The number of questions not answered is equal to the number of questions
if (isset($_POST['move']) && $_POST['move'] == " << "._("prev")." ") {$_SESSION['step'] = $_POST['thisstep'];}
if (isset($_POST['move']) && $_POST['move'] == " "._("next")." >> ") {$_SESSION['step'] = $_POST['thisstep'];}
if (isset($_POST['move']) && $_POST['move'] == " "._("last")." ") {$_SESSION['step'] = $_POST['thisstep']; $_POST['move'] == " "._("next")." >> ";}
$notanswered[]=substr($multiname, 5, strlen($multiname));
$$multiname=0;
$$multiname2=0;
}
}
$multiname="MULTI$cmfns[$mi]";
$multiname2=$multiname."2"; //POSSIBLE CORRUPTION OF PROCESS - CHECK LATER
$$multiname=0;
$$multiname2=0;
}
else{$multiname="MULTI$cmfns[$mi]";}
$dccm="display$cmfns[$mi]";
$dtccm = "tbdisp$ccm";
if (isset($_SESSION[$ccm]) && ($_SESSION[$ccm] == "0" || $_SESSION[$ccm]) && isset($_POST[$dccm]) && $_POST[$dccm] == "on") //There is an answer
{
//The question has an answer, and the answer was displaying
}
elseif ((isset($_POST[$dccm]) && $_POST[$dccm] == "on") && (!isset($_POST[$multiname]) || !$_POST[$multiname]) && (!isset($_POST[$dtccm]) || $_POST[$dtccm] == "on")) // Question and Answers is on, there is no answer, but it's a multiple
{
if (isset($_POST['move']) && $_POST['move'] == " << "._("prev")." ") {$_SESSION['step'] = $_POST['thisstep'];}
if (isset($_POST['move']) && $_POST['move'] == " "._("next")." >> ") {$_SESSION['step'] = $_POST['thisstep'];}
if (isset($_POST['move']) && $_POST['move'] == " "._("last")." ") {$_SESSION['step'] = $_POST['thisstep']; $_POST['move'] == " "._("next")." >> ";}
$notanswered[]=$cmfns[$mi];
}
elseif (isset($_POST[$dccm]) && $_POST[$dccm] == "on")
{
//One of the conditional mandatory questions was on, but hasn't been answered
$$multiname++;
}
$$multiname2++;
$mi++;
}
if (isset($multiname) && $multiname && isset($_POST[$multiname]) && $_POST[$multiname])
{
if ($$multiname == $$multiname2) //so far all multiple choice options are unanswered
{
//The number of questions not answered is equal to the number of questions
if (isset($_POST['move']) && $_POST['move'] == " << "._("prev")." ") {$_SESSION['step'] = $_POST['thisstep'];}
if (isset($_POST['move']) && $_POST['move'] == " "._("next")." >> ") {$_SESSION['step'] = $_POST['thisstep'];}
if (isset($_POST['move']) && $_POST['move'] == " "._("last")." ") {$_SESSION['step'] = $_POST['thisstep']; $_POST['move'] == " "._("next")." >> ";}
$notanswered[]=substr($multiname, 5, strlen($multiname));
}
}
}
if (!isset($notanswered)) {return false;}//$notanswered=null;}
return $notanswered;
}
function checkpregs($backok=null)
{
global $connect;
if (!isset($backok) || $backok != "Y")
{
global $dbprefix;
$fieldmap=createFieldMap(returnglobal('sid'));
if (isset($_POST['fieldnames']))
{
$fields=explode("|", $_POST['fieldnames']);
foreach ($fields as $field)
{
//Get question information
if (isset($_POST[$field]) && ($_POST[$field] == "0" || $_POST[$field])) //Only do this if there is an answer
{
$fieldinfo=arraySearchByKey($field, $fieldmap, "fieldname", 1);
$pregquery="SELECT preg\n"
."FROM {$dbprefix}questions\n"
."WHERE qid=".$fieldinfo['qid'];
$pregresult=db_execute_assoc($pregquery) or die("ERROR: $pregquery<br />".htmlspecialchars($connect->ErrorMsg()));
while($pregrow=$pregresult->FetchRow())
{
$preg=$pregrow['preg'];
} // while
if (isset($preg) && $preg)
{
if (!preg_match($preg, $_POST[$field]))
{
$notvalidated[]=$field;
}
}
}
}
}
if (isset($notvalidated) && is_array($notvalidated))
{
if (isset($_POST['move']) && $_POST['move'] == " << "._("prev")." ") {$_SESSION['step'] = $_POST['thisstep'];}
if (isset($_POST['move']) && $_POST['move'] == " "._("next")." >> ") {$_SESSION['step'] = $_POST['thisstep'];}
if (isset($_POST['move']) && $_POST['move'] == " "._("last")." ") {$_SESSION['step'] = $_POST['thisstep']; $_POST['move'] == " "._("next")." >> ";}
return $notvalidated;
}
}
}
function addtoarray_single($array1, $array2)
{
//Takes two single element arrays and adds second to end of first if value exists
if (is_array($array2))
{
foreach ($array2 as $ar)
{
if ($ar && $ar !== null)
{
$array1[]=$ar;
}
}
}
return $array1;
}
function remove_nulls_from_array($array)
{
foreach ($array as $ar)
{
if ($ar !== null)
{
$return[]=$ar;
}
}
if (isset($return))
{
return $return;
}
else
{
return false;
}
}
//FUNCTIONS USED WHEN SUBMITTING RESULTS:
function createinsertquery()
{
global $thissurvey;
global $deletenonvalues, $thistpl;
global $surveyid, $connect;
$fieldmap=createFieldMap($surveyid); //Creates a list of the legitimate questions for this survey
if (isset($_SESSION['insertarray']) && is_array($_SESSION['insertarray']))
{
$inserts=array_unique($_SESSION['insertarray']);
foreach ($inserts as $value)
{
//Work out if the field actually exists in this survey
$fieldexists = arraySearchByKey($value, $fieldmap, "fieldname");
//Iterate through possible responses
if (isset($_SESSION[$value]) && !empty($fieldexists))
{
//If deletenonvalues is ON, delete any values that shouldn't exist
if($deletenonvalues==1) {checkconfield($value);}
//Only create column name and data entry if there is actually data!
$colnames[]=$value;
$values[]=$connect->qstr($_SESSION[$value]);
}
}
if (!isset($colnames) || !is_array($colnames)) //If something went horribly wrong - ie: none of the insertarray fields exist for this survey, crash out
{
echo submitfailed();
exit;
}
if ($thissurvey['datestamp'] == "Y")
{
$_SESSION['datestamp']=date("Y-m-d H:i:s");
}
// --> START NEW FEATURE - SAVE
// CHECK TO SEE IF ROW ALREADY EXISTS
if (!isset($_SESSION['srid']))
{
// INSERT NEW ROW
// TODO SQL: quote colum name correctly
$query = "INSERT INTO ".db_quote_id($thissurvey['tablename'])."\n"
."(".implode(', ', array_map('db_quote_id',$colnames));
if ($thissurvey['datestamp'] == "Y")
{
$query .= ",`datestamp`";
}
if ($thissurvey['ipaddr'] == "Y")
{
$query .= ",`ipaddr`";
}
if ($thissurvey['refurl'] == "Y")
{
$query .= ",`refurl`";
}
if ((isset($_POST['move']) && $_POST['move'] == " "._("submit")." "))
{
$query .= ",'submitdate'";
}
$query .=") ";
$query .="VALUES (".implode(", ", $values);
if ($thissurvey['datestamp'] == "Y")
{
$query .= ", '".$_SESSION['datestamp']."'";
}
if ($thissurvey['ipaddr'] == "Y")
{
$query .= ", '".$_SERVER['REMOTE_ADDR']."'";
}
if ($thissurvey['refurl'] == "Y")
{
$query .= ", '".getenv("HTTP_REFERER")."'";
}
if ((isset($_POST['move']) && $_POST['move'] == " "._("submit")." "))
{
$query .= ", '".date("Y-m-d H:i:s")."'";
}
$query .=")";
}
else
{ // UPDATE EXISTING ROW
// Updates only the MODIFIED fields posted on current page.
if (isset($_POST['modfields']) && $_POST['modfields'])
{
$query = "UPDATE {$thissurvey['tablename']} SET ";
if ($thissurvey['datestamp'] == "Y")
{
$query .= "datestamp = '".$_SESSION['datestamp']."',";
}
if ($thissurvey['ipaddr'] == "Y")
{
$query .= "ipaddr = '".$_SERVER['REMOTE_ADDR']."',";
}
$fields=explode("|", $_POST['modfields']);
foreach ($fields as $field)
{
$query .= $field." = '".mysql_escape_string($_POST[$field])."',";
}
$query .= "WHERE id=" . $_SESSION['srid'];
$query = str_replace(",WHERE", " WHERE", $query); // remove comma before WHERE clause
}
else
{
$query = "";
}
}
// <-- END NEW FEATURE - SAVE
//DEBUG START
//echo $query;
//DEBUG END
return $query;
}
else
{
sendcacheheaders();
doHeader();
foreach(file("$thistpl/startpage.pstpl") as $op)
{
echo templatereplace($op);
}
echo "<br /><center><font face='verdana' size='2'><font color='red'><strong>"._("Error")."</strong></font><br /><br />\n";
echo _("Cannot submit results - there are none to submit.")."<br /><br />\n";
echo "<font size='1'>"._("This error can occur if you have already submitted your responses and pressed 'refresh' on your browser. In this case, your responses have already been saved.<br /><br />If you receive this message in the middle of completing a survey, you should choose '<- BACK' on your browser and then refresh/reload the previous page. While you will lose answers from the last page all your others will still exist. This problem can occur if the webserver is suffering from overload or excessive use. We apologise for this problem.")."<br />\n";
echo "</font></center><br /><br />";
exit;
}
}
function submittokens()
{
global $thissurvey;
global $dbprefix, $surveyid, $connect;
global $sitename, $thistpl;
// TLR change to put date into sent and completed
// $utquery = "UPDATE {$dbprefix}tokens_$surveyid\n"
// . "SET completed='Y'\n"
$today = date("Y-m-d Hi");
$utquery = "UPDATE {$dbprefix}tokens_$surveyid\n"
. "SET completed='$today'\n"
. "WHERE token='{$_POST['token']}'";
$utresult = $connect->Execute($utquery) or die ("Couldn't update tokens table!<br />\n$utquery<br />\n".htmlspecialchars($connect->ErrorMsg()));
// TLR change to put date into sent and completed
$cnfquery = "SELECT * FROM {$dbprefix}tokens_$surveyid WHERE token='{$_POST['token']}' AND completed!='N' AND completed!=''";
$cnfresult = db_execute_assoc($cnfquery);
while ($cnfrow = $cnfresult->FetchRow())
{