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index.php
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index.php
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<?php
/*
#############################################################
# >>> PHP Surveyor #
#############################################################
# > 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. #
#############################################################
*/
session_start();
ini_set("session.bug_compat_warn", 0); //Turn this off until first "Next" warning is worked out
require_once("./admin/config.php");
if (!isset($sid)) {$sid=returnglobal('sid');}
//This next line is for security reasons. It ensures that the $sid value is never anything but a number.
if (phpversion() >= '4.2.0') {settype($sid, "int");} else {settype($sid, "integer");}
//DEFAULT SETTINGS FOR TEMPLATES
if (!$publicdir) {$publicdir=".";}
$tpldir="$publicdir/templates";
//CHECK FOR REQUIRED INFORMATION (sid)
if (!$sid)
{
$langfilename="$publicdir/lang/$defaultlang.lang.php";
require($langfilename);
//A nice exit
sendcacheheaders();
echo "<html>\n";
$output=file("$tpldir/default/startpage.pstpl");
foreach($output as $op)
{
echo templatereplace($op);
}
echo "\t\t<center><br />\n"
."\t\t\t<font color='RED'><b>ERROR</b></font><br />\n"
."\t\t\tYou have not provided a survey identification number.<br /><br />\n"
."\t\t\tPlease contact <i>$siteadminname</i> at <i>$siteadminemail</i> for further assistance.<br /><br />\n";
$output=file("$tpldir/default/endpage.pstpl");
foreach($output as $op)
{
echo templatereplace($op);
}
echo "</html>\n";
exit;
}
//GET BASIC INFORMATION ABOUT THIS SURVEY
if (!isset($token)) {$token=returnglobal('token');}
$query="SELECT * FROM {$dbprefix}surveys WHERE sid=$sid";
$result=mysql_query($query) or die ("Couldn't access surveys<br />$query<br />".mysql_error());
$surveyexists=mysql_num_rows($result);
while ($row=mysql_fetch_array($result))
{
$thissurvey=array("name"=>$row['short_title'],
"description"=>$row['description'],
"welcome"=>$row['welcome'],
"templatedir"=>$row['template'],
"adminname"=>$row['admin'],
"adminemail"=>$row['adminemail'],
"active"=>$row['active'],
"expiry"=>$row['expires'],
"private"=>$row['private'],
"tablename"=>$dbprefix."survey_".$row['sid'],
"url"=>$row['url'],
"urldescrip"=>$row['urldescrip'],
"format"=>$row['format'],
"language"=>$row['language'],
"datestamp"=>$row['datestamp'],
"usecookie"=>$row['usecookie'],
"sendnotification"=>$row['notification']);
if (!$thissurvey['adminname']) {$thissurvey['adminname']=$siteadminname;}
if (!$thissurvey['adminemail']) {$thissurvey['adminemail']=$siteadminemail;}
if (!$thissurvey['urldescrip']) {$thissurvey['urldescrip']=$thissurvey['url'];}
}
//SEE IF SURVEY USES TOKENS
$i = 0; $tokensexist = 0;
$tresult = @mysql_list_tables($databasename) or die ("Error getting tokens<br />".mysql_error());
while($tbl = @mysql_tablename($tresult, $i++))
{
if ($tbl == "{$dbprefix}tokens_$sid") {$tokensexist = 1;}
}
//SET THE TEMPLATE DIRECTORY
if (!$thissurvey['templatedir']) {$thistpl=$tpldir."/default";} else {$thistpl=$tpldir."/{$thissurvey['templatedir']}";}
if (!is_dir($thistpl)) {$thistpl=$tpldir."/default";}
//REQUIRE THE LANGUAGE FILE
$langdir="$publicdir/lang";
$langfilename="$langdir/{$thissurvey['language']}.lang.php";
//Use the default language file if the $thissurvey['language'] file doesn't exist
if (!is_file($langfilename)) {$langfilename="$langdir/$defaultlang.lang.php";}
require_once($langfilename);
//MAKE SURE SURVEY HASN'T EXPIRED
if ($thissurvey['expiry'] < date("Y-m-d") && $thissurvey['expiry'] != "0000-00-00")
{
sendcacheheaders();
echo "<html>\n";
$output=file("$tpldir/default/startpage.pstpl");
foreach ($output as $op)
{
echo templatereplace($op);
}
echo "\t\t<center><br />\n"
."\t\t\t"._SURVEYEXPIRED."<br /><br />\n"
."\t\t\t"._CONTACT1." <i>{$thissurvey['adminname']}</i> (<i>{$thissurvey['adminemail']}</i>) "
._CONTACT2."<br /><br />\n";
$output=file("$tpldir/default/endpage.pstpl");
foreach ($output as $op)
{
echo templatereplace($op);
}
echo "</html>\n";
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();
echo "<html>\n";
$output=file("$tpldir/default/startpage.pstpl");
foreach($output as $op)
{
echo templatereplace($op);
}
echo "\t\t<center><br />\n"
."\t\t\t<font color='RED'><b>"._ERROR_PS."</b></font><br />\n"
."\t\t\t"._SURVEYCOMPLETE."<br /><br />\n"
."\t\t\t"._CONTACT1." <i>{$thissurvey['adminname']}</i> (<i>{$thissurvey['adminemail']}</i>) "
._CONTACT2."<br /><br />\n";
$output=file("$tpldir/default/endpage.pstpl");
foreach($output as $op)
{
echo templatereplace($op);
}
echo "</html>\n";
exit;
}
//CHECK IF SURVEY ID DETAILS HAVE CHANGED
if (isset($_SESSION['oldsid'])) {$oldsid=$_SESSION['oldsid'];}
if (!isset($oldsid)) {$_SESSION['oldsid'] = $sid;}
if (isset($oldsid) && $oldsid && $oldsid != $sid)
{
session_unset();
$_SESSION['oldsid']=$sid;
}
//CLEAR SESSION IF REQUESTED
if (isset($_GET['move']) && $_GET['move'] == "clearall")
{
sendcacheheaders();
echo "<html>\n";
foreach(file("$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";
echo "\t<br />\n"
."\t<table align='center' cellpadding='30'><tr><td align='center' bgcolor='white'>\n"
."\t\t<font face='arial' size='2'>\n"
."\t\t<b><font color='red'>"._ANSCLEAR."</b></font><br /><br />"
."<a href='{$_SERVER['PHP_SELF']}?sid=$sid";
if (returnglobal('token')) {
echo "&token=".returnglobal('token');
}
echo "'>"._RESTART."</a><br />\n"
."\t\t<a href='javascript: window.close()'>"._CLOSEWIN_PS."</a>\n"
."\t\t</font>\n"
."\t</td></tr>\n"
."\t</table>\n\t<br />\n";
foreach(file("$thistpl/endpage.pstpl") as $op)
{
echo templatereplace($op);
}
echo "</html>\n";
session_unset();
session_destroy();
exit;
}
if (isset($_GET['newtest']) && $_GET['newtest'] == "Y")
{
foreach ($_SESSION as $SES)
{
session_unset();
}
//DELETE COOKIE (allow to use multiple times)
setcookie("$cookiename", "INCOMPLETE", time()-120);
//echo "Reset Cookie!";
}
sendcacheheaders();
//CALL APPROPRIATE SCRIPT
switch ($thissurvey['format'])
{
case "A": //All in one
require_once("survey.php");
break;
case "S": //One at a time
require_once("question.php");
break;
case "G": //Group at a time
require_once("group.php");
break;
default:
require_once("question.php");
}
function templatereplace($line)
{
global $thissurvey;
global $percentcomplete;
global $groupname, $groupdescription, $question;
global $questioncode, $answer, $navigator;
global $help, $totalquestions, $surveyformat;
global $completed;
global $notanswered, $privacy, $sid;
global $publicurl, $templatedir, $token;
if ($thissurvey['templatedir']) {$templateurl="$publicurl/templates/{$thissurvey['templatedir']}/";}
else {$templateurl="$publicurl/templates/default/";}
$clearall = "\t\t\t\t\t<div class='clearall'>"
. "<a href='{$_SERVER['PHP_SELF']}?sid=$sid&move=clearall";
if (returnglobal('token')) {
$clearall .= "&token=".returnglobal('token');
}
$clearall .="' onClick='return confirm(\""
. _CONFIRMCLEAR."\")'>["
. _EXITCLEAR."]</a></div>\n";
if (ereg("^<body", $line))
{
if (isset($_SESSION['step']) && !ereg("^checkconditions()", $line) && ($_SESSION['step'] || $_SESSION['step'] > 0) && (isset($_POST['move']) && ($_POST['move'] != " "._LAST." " || ($_POST['move'] == " "._LAST." " && $notanswered)) && ($_POST['move'] != " "._SUBMIT." " || ($_POST['move']== " "._SUBMIT." " && $notanswered))))
{
$line=str_replace("<body", "<body onload=\"checkconditions()\"", $line);
}
//elseif ($thissurvey['format'] == "A")
// {
// $line=str_replace("<body", "<body onload=\"checkconditions()\"", $line);
// }
}
$line=str_replace("{SURVEYNAME}", $thissurvey['name'], $line);
$line=str_replace("{SURVEYDESCRIPTION}", $thissurvey['description'], $line);
$line=str_replace("{WELCOME}", $thissurvey['welcome'], $line);
$line=str_replace("{PERCENTCOMPLETE}", $percentcomplete, $line);
$line=str_replace("{GROUPNAME}", $groupname, $line);
$line=str_replace("{GROUPDESCRIPTION}", $groupdescription, $line);
$line=str_replace("{QUESTION}", $question, $line);
$line=str_replace("{QUESTION_CODE}", $questioncode, $line);
$line=str_replace("{ANSWER}", $answer, $line);
$line=str_replace("{NUMBEROFQUESTIONS}", $totalquestions, $line);
$line=str_replace("{TOKEN}", $token, $line);
$line=str_replace("{SID}", $sid, $line);
if ($help) {
$line=str_replace("{QUESTIONHELP}", "<img src='".$publicurl."/help.gif' alt='Help' align='left'>".$help, $line);
$line=str_replace("{QUESTIONHELPPLAINTEXT}", strip_tags(addslashes($help)), $line);
}
else
{$line=str_replace("{QUESTIONHELP}", $help, $line);}
$line=str_replace("{NAVIGATOR}", $navigator, $line);
$submitbutton="<input class='submit' type='submit' value=' "._SUBMIT." ' name='move'>";
$line=str_replace("{SUBMITBUTTON}", $submitbutton, $line);
$line=str_replace("{COMPLETED}", $completed, $line);
$linkreplace="<a href='{$thissurvey['url']}'>{$thissurvey['urldescrip']}</a>";
$line=str_replace("{URL}", $linkreplace, $line);
$line=str_replace("{PRIVACY}", $privacy, $line);
$line=str_replace("{CLEARALL}", $clearall, $line);
$line=str_replace("{TEMPLATEURL}", $templateurl, $line);
return $line;
}
function makegraph($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);
$graph .= "<td width='100' align='left'><img src='$shchart' height='12' width='$size' align='left' alt='$size% "._COMPLETE."'></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;
$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 != $countConditionalQuestionsInThisGroup)
{
unset($checkConditions); // We can safely delete this variable because it won't be needed.
return true;
}
else
{
$totalands=0;
foreach ($checkConditions as $cc)
{
$query = "SELECT * FROM {$dbprefix}conditions WHERE qid=$cc[0] ORDER BY cqid";
$result = mysql_query($query) or die("Couldn't check conditions<br />$query<br />".mysql_error());
while($row=mysql_fetch_array($result))
{
$query2="SELECT type FROM {$dbprefix}questions WHERE qid={$row['cqid']}";
$result2=mysql_query($query2) or die ("Coudn't get type from questions<br />$ccquery<br />".mysql_error());
while($row2=mysql_fetch_array($result2))
{
$thistype=$row2['type'];
}
if ($thistype == "M" || $thistype == "P")
{
$fieldname=$row['cfieldname'].$row['value'];
if (isset($_SESSION[$fieldname]))
{
$cfieldname=$_SESSION[$fieldname];
$cvalue="Y";
}
}
else
{
if (isset($_SESSION[$row['cfieldname']]))
{
$cfieldname=$_SESSION[$row['cfieldname']];
$cvalue=$row['value'];
}
}
if ($cfieldname == $cvalue)
{
$distinctcqids[$row['cqid']]=1;
}
else
{
if (!isset($distinctcqids[$row['cqid']]))
{
$distinctcqids[$row['cqid']]=0;
}
}
} // while
foreach($distinctcqids as $key=>$val)
{
$totalands=$totalands+$val;
}
}
if ($totalands == count($distinctcqids))
{
return true;
}
else
{
return false;
}
}
}
function checkconfield($value)
{
global $dbprefix;
foreach ($_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";
$result=mysql_query($query) or die($query."<br />".mysql_error());
while($rows = mysql_fetch_array($result))
{
if($rows['type'] == "M" || $rows['type'] == "A" || $rows['type'] == "B" || $rows['type'] == "C" || $rows['type'] == "E" || $rows['type'] == "F" || $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[$mi]";}
if (isset($_SESSION[$cm]) && ($_SESSION[$cm] == "0" || $_SESSION[$cm]))
{
}
elseif (!isset($_POST[$multiname]) || !$_POST[$multiname])
{
//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[$mi]";
if (isset($_SESSION[$ccm]) && ($_SESSION[$ccm] == "0" || $_SESSION[$ccm]) && isset($_POST[$dccm]) && $_POST[$dccm] == "on") //There is an answer
{
}
elseif ((isset($_POST[$dccm]) && $_POST[$dccm] == "on") && (!isset($_POST[$multiname]) || !$_POST[$multiname])) //Question 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 $notanswered;
}
function addtoarray_single($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, $thistpl;
if (isset($_SESSION['insertarray']) && is_array($_SESSION['insertarray']))
{
foreach ($_SESSION['insertarray'] as $value)
{
//Iterate through possible responses
if (isset($_SESSION[$value]))
{
//Only create column name and data entry if there is actually data!
$colnames[]=$value;
$values[]=mysql_escape_string($_SESSION[$value]);
}
}
$query = "INSERT INTO {$thissurvey['tablename']}\n"
."(`".implode("`, `", $colnames)."`)\n"
."VALUES ('".implode("', '", $values)."')";
return $query;
}
else
{
sendcacheheaders();
echo "<html>\n";
foreach(file("$thistpl/startpage.pstpl") as $op)
{
echo templatereplace($op);
}
echo "<br /><center><font face='verdana' size='2'><font color='red'><b>"._ERROR_PS."</b></font><br /><br />\n";
echo _BADSUBMIT1."<br /><br />\n";
echo "<font size='1'>"._BADSUBMIT2."<br />\n";
echo "</font></center><br /><br />";
exit;
}
}
function submittokens()
{
global $thissurvey;
global $dbprefix, $sid;
global $sitename, $thistpl;
$utquery = "UPDATE {$dbprefix}tokens_$sid\n"
. "SET completed='Y'\n"
. "WHERE token='{$_POST['token']}'";
$utresult = mysql_query($utquery) or die ("Couldn't update tokens table!<br />\n$utquery<br />\n".mysql_error());
$cnfquery = "SELECT * FROM {$dbprefix}tokens_$sid WHERE token='{$_POST['token']}' AND completed='Y'";
$cnfresult = mysql_query($cnfquery);
while ($cnfrow = mysql_fetch_array($cnfresult))
{
$headers = "From: {$thissurvey['adminemail']}\r\n";
$headers .= "X-Mailer: $sitename Email Inviter";
$to = $cnfrow['email'];
$subject = _CONFIRMATION.": {$thissurvey['name']} "._SURVEYCPL;
$message="";
foreach (file("$thistpl/confirmationemail.pstpl") as $ce)
{
$add=$ce;
$add = str_replace("{FIRSTNAME}", $cnfrow['firstname'], $add);
$add = str_replace("{LASTNAME}", $cnfrow['lastname'], $add);
$add = str_replace("{ADMINNAME}", $thissurvey['adminname'], $add);
$add = str_replace("{ADMINEMAIL}", $thissurvey['adminemail'], $add);
$add = str_replace("{SURVEYNAME}", $thissurvey['name'], $add);
$message .= $add;
}
//Only send confirmation email if there is a valid email address
if (validate_email($cnfrow['email'])) {mail($to, $subject, $message, $headers);}
//DEBUG INFO: CAN BE REMOVED
echo "<!-- DEBUG: MAIL INFORMATION\n"
."TO: $to\n"
."SUBJECT: $subject\n"
."MESSAGE: $message\n"
."HEADERS: $headers\n"
."-->\n";
//END DEBUG
}
}
function sendsubmitnotification($sendnotification)
{
global $thissurvey;
global $savedid;
global $sitename, $homeurl, $sid;
$subject = "$sitename Survey Submitted";
$message = _CONFIRMATION_MESSAGE1." {$thissurvey['name']}\r\n"
. _CONFIRMATION_MESSAGE2."\r\n\r\n"
. _CONFIRMATION_MESSAGE3."\r\n"
. " $homeurl/browse.php?sid=$sid&action=id&id=$savedid\r\n\r\n"
. _CONFIRMATION_MESSAGE4."\r\n"
. " $homeurl/statistics.php?sid=$sid\r\n\r\n";
if ($sendnotification > 1)
{ //Send results as well. Currently just bare-bones - will be extended in later release
$message .= "----------------------------\r\n";
foreach ($_SESSION['insertarray'] as $value)
{
$questiontitle=returnquestiontitlefromfieldcode($value);
$message .= "$questiontitle: {$_SESSION[$value]}\r\n";
}
$message .= "----------------------------\r\n\r\n";
}
$message.= "PHP Surveyor";
$headers = "From: {$thissurvey['adminemail']}\r\n";
mail($thissurvey['adminemail'], $subject, $message, $headers);
}
function submitfailed()
{
global $thissurvey;
global $thistpl, $subquery;
sendcacheheaders();
echo "<html>\n";
foreach(file("$thistpl/startpage.pstpl") as $op)
{
echo templatereplace($op);
}
$completed = "<br /><b><font size='2' color='red'>"
. _DIDNOTSAVE."</b></font><br /><br />\n\n"
. _DIDNOTSAVE2."<br /><br />\n";
if ($thissurvey['adminemail'])
{
$completed .= _DIDNOTSAVE3."<br /><br />\n";
$email=_DNSAVEEMAIL1." $sid\n\n";
$email .= _DNSAVEEMAIL2.":\n";
foreach ($_SESSION['insertarray'] as $value)
{
$email .= "$value: {$_SESSION[$value]}\n";
}
$email .= "\n"._DNSAVEEMAIL3.":\n"
. "$subquery\n\n"
. _DNSAVEEMAIL4.":\n"
. mysql_error()."\n\n";
mail($thissurvey['adminemail'], _DNSAVEEMAIL5, $email);
}
else
{
$completed .= "<a href='javascript:location.reload()'>"._SUBMITAGAIN."</a><br /><br />\n";
$completed .= $subquery;
}
return $completed;
}
function buildsurveysession()
{
global $thissurvey;
global $tokensexist, $thistpl;
global $sid, $dbprefix;
global $register_errormsg;
//This function builds all the required session variables when a survey is first started.
//It is called from each various format script (ie: group.php, question.php, survey.php)
//if the survey has just begun. This funcion also returns the variable $totalquestions.
//BEFORE BUILDING A NEW SESSION FOR THIS SURVEY, LET'S CHECK TO MAKE SURE THE SURVEY SHOULD PROCEED!
if ($tokensexist == 1 && !returnglobal('token'))
{
sendcacheheaders();
echo "<html>\n";
//NO TOKEN PRESENTED. EXPLAIN PROBLEM AND PRESENT FORM
foreach(file("$thistpl/startpage.pstpl") as $op)
{
echo templatereplace($op);
}
foreach(file("$thistpl/survey.pstpl") as $op)
{
echo templatereplace($op);
}
if (isset($thissurevey) && $thissurvey('allowregister') == "Y")
{
define ("_RG_REGISTER1", "You must be registered to complete this survey");
define ("_RG_REGISTER2", "You may register for this survey if you wish to take part.<br />\n"
."Enter your details below, and an email containing the link to "
."participate in this survey will be sent immediately.");
define ("_RG_EMAIL", "Email Address");
define ("_RG_FIRSTNAME", "First Name");
define ("_RG_LASTNAME", "Last Name");
define ("_RG_ATTRIBUTE1", "Attribute 1");
define ("_RG_ATTRIBUTE2", "Attribute 2");
?>
<center><br />
<?php if (isset($register_errormsg))
{
echo "<font color='red'>$register_errormsg</font><br /><br />\n";
}
?>
<?php echo _RG_REGISTER1 ?><br /><br />
<?php echo _RG_REGISTER2 ?><br />
<table align='center'>
<form method='post' action='register.php'>
<input type='hidden' name='sid' value='<?php echo $sid ?>'>
<tr><td align='right'>
<?php echo _RG_FIRSTNAME ?>:</td>
<td align='left'><input class='text' type='text' name='register_firstname'<?php
if (isset($_POST['register_firstname'])) {echo " value='".returnglobal('register_firstname')."'";}
?>></td></tr>
<tr><td align='right'><?php echo _RG_LASTNAME ?>:</td>
<td align='left'><input class='text' type='text' name='register_lastname'<?php
if (isset($_POST['register_lastname'])) {echo " value='".returnglobal('register_lastname')."'";}
?>></td></tr>
<tr><td align='right'><?php echo _RG_EMAIL ?>:</td>
<td align='left'><input class='text' type='text' name='register_email'<?php
if (isset($_POST['register_email'])) {echo " value='".returnglobal('register_email')."'";}
?>></td></tr>
<tr><td align='right'><?php echo _RG_ATTRIBUTE1 ?>:</td>
<td align='left'><input class='text' type='text' name='register_attribute1'<?php
if (isset($_POST['register_attribute1'])) {echo " value='".returnglobal('register_attribute1')."'";}
?>></td></tr>
<tr><td align='right'><?php echo _RG_ATTRIBUTE2 ?>:</td>
<td align='left'><input class='text' type='text' name='register_attribute2'<?php
if (isset($_POST['register_attribute2'])) {echo " value='".returnglobal('register_attribute2')."'";}
?>></td></tr>
<tr><td></td><td><input class='submit' type='submit' value='<?php echo _CONTINUE_PS ?>'>
</td></tr>
</form>
</table>
<br /> </center>
<?php
}
else
{
?>
<center><br />
<?php echo _NOTOKEN1 ?><br /><br />
<?php echo _NOTOKEN2 ?><br />
<table align='center'>
<form method='get' action='<?php echo $_SERVER['PHP_SELF'] ?>'>
<input type='hidden' name='sid' value='<?php echo $sid ?>'>
<tr>
<td align='center' valign='middle'>
<?php echo _TOKEN_PS ?>: <input class='text' type='text' name='token'>
<input class='submit' type='submit' value='<?php echo _CONTINUE_PS ?>'>
</td>
</tr>
</form>
</table>
<br /> </center>
<?php
}
foreach(file("$thistpl/endpage.pstpl") as $op)
{
echo templatereplace($op);
}
exit;
}
//Tokens are required, and a token has been provided.
elseif ($tokensexist == 1 && returnglobal('token'))
{
//check if token actually does exist
$tkquery = "SELECT * FROM {$dbprefix}tokens_$sid WHERE token='".returnglobal('token')."' AND completed != 'Y'";
$tkresult = mysql_query($tkquery);
$tkexist = mysql_num_rows($tkresult);
if (!$tkexist)
{
sendcacheheaders();
echo "<html>\n";
//TOKEN DOESN'T EXIST OR HAS ALREADY BEEN USED. EXPLAIN PROBLEM AND EXIT
foreach(file("$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"._NOTOKEN1."<br /><br />\n"
."\t"._NOTOKEN3."\n"
."\t"._FURTHERINFO." {$thissurvey['adminname']} "
."(<a href='mailto:{$thissurvey['adminemail']}'>"
."{$thissurvey['adminemail']}</a>)<br /><br />\n"
."\t<a href='javascript:window.close()'>"._CLOSEWIN_PS."</a><br /> \n";
foreach(file("$thistpl/endpage.pstpl") as $op)
{
echo templatereplace($op);
}
exit;
}
}
//RESET ALL THE SESSION VARIABLES AND START AGAIN
unset($_SESSION['grouplist']);
unset($_SESSION['fieldarray']);
unset($_SESSION['insertarray']);
//1. SESSION VARIABLE: grouplist
//A list of groups in this survey, ordered by group name.
$query = "SELECT * FROM {$dbprefix}groups WHERE sid=$sid ORDER BY group_name";
$result = mysql_query($query) or die ("Couldn't get group list<br />$query<br />".mysql_error());
while ($row = mysql_fetch_array($result))
{
$_SESSION['grouplist'][]=array($row['gid'], $row['group_name'], $row['description']);
}
$query = "SELECT * FROM {$dbprefix}questions, {$dbprefix}groups\n"
."WHERE {$dbprefix}questions.gid={$dbprefix}groups.gid\n"
."AND {$dbprefix}questions.sid=$sid\n"
."ORDER BY group_name";
$result = mysql_query($query);
$totalquestions = mysql_num_rows($result);
//2. SESSION VARIABLE: totalsteps
//The number of "pages" that will be presented in this survey
//The number of pages to be presented will differ depending on the survey format
switch($thissurvey['format'])
{
case "A":
$_SESSION['totalsteps']=1;
break;
case "G":
$_SESSION['totalsteps']=count($_SESSION['grouplist']);
break;
case "S":
$_SESSION['totalsteps']=$totalquestions;
}
if ($totalquestions == "0") //break out and crash if there are no questions!
{
sendcacheheaders();
echo "<html>\n";
foreach(file("$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"._NOQUESTIONS."<br /><br />\n"
."\t"._FURTHERINFO." {$thissurvey['adminname']}"
." (<a href='mailto:{$thissurvey['adminemail']}'>"
."{$thissurvey['adminemail']}</a>)<br /><br />\n"
."\t<a href='javascript:window.close()'>"._CLOSEWIN_PS."</a><br /> \n";
foreach(file("$thistpl/endpage.pstpl") as $op)
{