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common.php
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<?php
/*
* LimeSurvey
* Copyright (C) 2007 The LimeSurvey Project Team / Carsten Schmitz
* All rights reserved.
* License: GNU/GPL License v2 or later, see LICENSE.php
* LimeSurvey is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*
* $Id$
*/
//Security Checked: POST, GET, SESSION, DB, REQUEST, returnglobal
//Ensure script is not run directly, avoid path disclosure
if (!isset($dbprefix) || isset($_REQUEST['dbprefix'])) {safe_die("Cannot run this script directly");}
// Include version information
require($rootdir.'/version.php');
// Check for most necessary requirements
// Now check for PHP & db version
// Do not localize/translate this!
$ver = explode( '.', PHP_VERSION );
$ver_num = $ver[0] . $ver[1] . $ver[2];
$dieoutput='';
if ( $ver_num < 500 )
{
$dieoutput .= 'This script can only be run on PHP version 5.x or later! Your version: '.phpversion().'<br />';
}
if (!function_exists('mb_convert_encoding'))
{
$dieoutput .= "This script needs the PHP Multibyte String Functions library installed: See <a href='http://docs.limesurvey.org/tiki-index.php?page=Installation+FAQ'>FAQ</a> and <a href='http://de.php.net/manual/en/ref.mbstring.php'>PHP documentation</a><br />";
}
if ($dieoutput!='') die($dieoutput);
if (!isset($debug)) {$debug=0;} // for some older config.php's
if ($debug>0) {//For debug purposes - switch on in config.php
@ini_set("display_errors", 1);
error_reporting(E_ALL);
}
if ($debug>2) {//For debug purposes - switch on in config.php
error_reporting(E_ALL | E_STRICT);
}
if (ini_get("max_execution_time")<600) @set_time_limit(600); // Maximum execution time - works only if safe_mode is off
@ini_set("memory_limit",$memorylimit); // Set Memory Limit for big surveys
$maildebug='';
// The following function (when called) includes FireBug Lite if true
define('FIREBUG' , $use_firebug_lite);
define('ADODB_ASSOC_CASE', 2); // needed to set proper upper/lower casing for mssql
##################################################################################
require_once ($rootdir.'/classes/adodb/adodb.inc.php');
require_once ($rootdir.'/classes/datetimeconverter/class.datetimeconverter.php');
require_once ($rootdir.'/classes/phpmailer/class.phpmailer.php');
require_once ($rootdir.'/classes/php-gettext/gettext.inc');
require_once ($rootdir.'/classes/core/surveytranslator.php');
require_once ($rootdir.'/classes/core/sanitize.php');
$dbprefix=strtolower($dbprefix);
define("_PHPVERSION", phpversion()); // This is the same as the server defined 'PHP_VERSION'
//Deal with Xitami server issues
//Todo: find out if this still is an issue with the latest Xitami server version
if(isset($_SERVER['SERVER_SOFTWARE']) && $_SERVER['SERVER_SOFTWARE'] == "Xitami")
{
$_SERVER['PHP_SELF'] = substr($_SERVER['SERVER_URL'], 0, -1) .$_SERVER['SCRIPT_NAME'];
}
// Deal with server systems having not set a default time zone
if(function_exists("date_default_timezone_set") and function_exists("date_default_timezone_get"))
@date_default_timezone_set(@date_default_timezone_get());
//Every 50th time clean up the temp directory of old files (older than 1 day)
//depending on the load the probability might be set higher or lower
if (rand(1,50)==25)
{
cleanTempDirectory();
}
// Array of JS and CSS scripts to include in client header
$js_header_includes = array();
$css_header_includes = array();
// JS scripts and CSS to include in admin header
// updated by admin scripts
$js_adminheader_includes = array();
$css_adminheader_includes = array();
/*
* $sourcefrom variable checks the location of the current script against
* the administration directory, and if the current script is running
* in the administration directory, it is set to "admin". Otherwise it is set
* to "public". When $sourcefrom is "admin" certain administration only functions
* are loaded.
*/
$scriptlocation=realpath(".");
$slashlesspath=str_replace(array("\\", "/"), "", $scriptlocation);
$slashlesshome=str_replace(array("\\", "/"), "", $homedir);
// Uncomment the following line for debug purposes
// echo $slashlesspath." - ".$slashlesshome;
if (strcasecmp($slashlesshome, $slashlesspath) == 0) {
if (strcasecmp($slashlesshome."install", $slashlesspath) != 0)
{
$sourcefrom="admin";
}
else
{
$sourcefrom="install";
}
} else {
$sourcefrom="public";
}
// Set path for captcha verification.php
if ($sourcefrom == "admin")
{
$captchapath='../';
}
else
{
$captchapath='';
}
//BEFORE SESSIONCONTOL BECAUSE OF THE CONNECTION
//CACHE DATA
$connect=ADONewConnection($databasetype);
$database_exists = FALSE;
switch ($databasetype)
{
case "postgres":
case "mysqli":
case "mysql": if ($databaseport!="default") {$dbhost="$databaselocation:$databaseport";}
else {$dbhost=$databaselocation;}
break;
case "mssql_n":
case "mssql": if ($databaseport!="default") {$dbhost="$databaselocation,$databaseport";}
else {$dbhost=$databaselocation;}
break;
case "odbc_mssql": $dbhost="Driver={SQL Server};Server=$databaselocation;Database=".$databasename;
break;
default: safe_die("Unknown database type");
}
// Now try connecting to the database
if ($databasepersistent==true)
{
if (@$connect->PConnect($dbhost, $databaseuser, $databasepass, $databasename))
{
$database_exists = TRUE;
}
else {
// If that doesnt work try connection without database-name
$connect->database = '';
if (!@$connect->PConnect($dbhost, $databaseuser, $databasepass))
{
safe_die("Can't connect to LimeSurvey database. Reason: ".$connect->ErrorMsg());
}
}
}
else
{
if (@$connect->Connect($dbhost, $databaseuser, $databasepass, $databasename))
{
$database_exists = TRUE;
}
else {
// If that doesnt work try connection without database-name
$connect->database = '';
if (!@$connect->Connect($dbhost, $databaseuser, $databasepass))
{
safe_die("Can't connect to LimeSurvey database. Reason: ".$connect->ErrorMsg());
}
}
}
// AdoDB seems to be defaulting to ADODB_FETCH_NUM and we want to be sure that the right default mode is set
$connect->SetFetchMode(ADODB_FETCH_ASSOC);
$dbexistsbutempty=($database_exists && !tableExists('surveys'));
if ($databasetype=='mysql' || $databasetype=='mysqli') {
if ($debug>1) { @$connect->Execute("SET SESSION SQL_MODE='STRICT_ALL_TABLES,ANSI'"); } //for development - use mysql in the strictest mode //Checked
$infoarray=$connect->ServerInfo();
if (version_compare ($infoarray['version'],'4.1','<'))
{
safe_die ("<br />Error: You need at least MySQL version 4.1 to run LimeSurvey. Your version:".$infoarray['version']);
}
@$connect->Execute("SET CHARACTER SET 'utf8'"); //Checked
@$connect->Execute("SET NAMES 'utf8'"); //Checked
}
// Setting dateformat for mssql driver. It seems if you don't do that the in- and output format could be different
if ($databasetype=='odbc_mssql' || $databasetype=='odbtp' || $databasetype=='mssql_n') {
@$connect->Execute('SET DATEFORMAT ymd;'); //Checked
@$connect->Execute('SET QUOTED_IDENTIFIER ON;'); //Checked
}
// Check if the DB is up to date
If ($dbexistsbutempty && $sourcefrom=='admin') {
die ("<br />The LimeSurvey database does exist but it seems to be empty. Please run the <a href='$homeurl/install/index.php'>install script</a> to create the necessary tables.");
}
// Default global values that should not appear in config-defaults.php
$updateavailable=0;
$updatebuild='';
$updateversion='';
$updatelastcheck='';
$updatekey='';
$updatekeyvaliduntil='';
require ($homedir.'/globalsettings.php');
// Check if the DB is up to date
If (!$dbexistsbutempty && $sourcefrom=='admin')
{
$usrow = getGlobalSetting('DBVersion');
if (intval($usrow)<$dbversionnumber)
{
$action='';
require_once($rootdir.'/classes/core/language.php');
$clang = new limesurvey_lang($defaultlang);
include_once($homedir.'/update/updater.php');
$output=CheckForDBUpgrades();
echo $output;
echo "<br /><a href='$homeurl'>".$clang->gT("Back to main menu")."</a>";
updatecheck();
die();
}
if (is_dir($homedir."/install") && $debug<2)
{
die ("<br />Everything is fine - you just forgot to delete or rename your LimeSurvey installation directory (/admin/install). <br />Please do so since it may be a security risk.");
}
}
//Admin menus and standards
//IF THIS IS AN ADMIN SCRIPT, RUN THE SESSIONCONTROL SCRIPT
if ($sourcefrom == "admin")
{
include($homedir."/sessioncontrol.php");
/**
* @param string $htmlheader
* This is the html header text for all administration pages
*
*/
$htmlheader = getAdminHeader();
}
//SET LANGUAGE DIRECTORY
if ($sourcefrom == "admin")
{
$langdir="$publicurl/locale/".$_SESSION['adminlang']."/help";
$langdirlocal="$rootdir/locale/".$_SESSION['adminlang']."/help";
if (!is_dir($langdirlocal)) // is_dir only works on local dirs
{
$langdir="$publicurl/locale/en/help"; //default to english if there is no matching language dir
}
}
if ($sourcefrom == "admin" && $buildnumber != "" && $updatecheckperiod>0 && $updatelastcheck<date_shift(date("Y-m-d H:i:s"), "Y-m-d H:i:s", "-".$updatecheckperiod." days"))
{
updatecheck();
}
//SET LOCAL TIME
if (substr($timeadjust,0,1)!='-' && substr($timeadjust,0,1)!='+') {$timeadjust='+'.$timeadjust;}
if (strpos($timeadjust,'hours')===false && strpos($timeadjust,'minutes')===false && strpos($timeadjust,'days')===false)
{
$timeadjust=$timeadjust.' hours';
}
// SITE STYLES
$setfont = "<font size='2' face='verdana'>";
$singleborderstyle = "style='border: 1px solid #111111'";
/**
* getqtypelist() Returns list of question types available in LimeSurvey. Edit this if you are adding a new
* question type
*
* @global string $publicurl
* @global string $sourcefrom
*
* @param string $SelectedCode Value of the Question Type (defaults to "T")
* @param string $ReturnType Type of output from this function (defaults to selector)
*
* @return depending on $ReturnType param, returns a straight "array" of question types, or an <option></option> list
*
* Explanation of questiontype array:
*
* description : Question description
* subquestions : 0= Does not support subquesitons 1=Supports subquestions
* answerscales : 0= Does not need answers x=Number of answer scales (usually 1, but e.g. for dual scale question set to 2)
*/
function getqtypelist($SelectedCode = "T", $ReturnType = "selector")
{
global $publicurl;
global $sourcefrom, $clang;
if (!isset($clang))
{
$clang = new limesurvey_lang("en");
}
$qtypes = array(
"1"=>array('description'=>$clang->gT("Array Dual Scale"),
'subquestions'=>1,
'assessable'=>0,
'hasdefaultvalues'=>0,
'answerscales'=>2),
"5"=>array('description'=>$clang->gT("5 Point Choice"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"A"=>array('description'=>$clang->gT("Array (5 Point Choice)"),
'subquestions'=>1,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>0),
"B"=>array('description'=>$clang->gT("Array (10 Point Choice)"),
'subquestions'=>1,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>0),
"C"=>array('description'=>$clang->gT("Array (Yes/No/Uncertain)"),
'subquestions'=>1,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>0),
"D"=>array('description'=>$clang->gT("Date"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"E"=>array('description'=>$clang->gT("Array (Increase/Same/Decrease)"),
'subquestions'=>1,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>0),
"F"=>array('description'=>$clang->gT("Array"),
'subquestions'=>1,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>1),
"G"=>array('description'=>$clang->gT("Gender"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"H"=>array('description'=>$clang->gT("Array by column"),
'hasdefaultvalues'=>0,
'subquestions'=>1,
'assessable'=>0,
'answerscales'=>1),
"I"=>array('description'=>$clang->gT("Language Switch"),
'hasdefaultvalues'=>0,
'subquestions'=>0,
'assessable'=>0,
'answerscales'=>0),
"K"=>array('description'=>$clang->gT("Multiple Numerical Input"),
'hasdefaultvalues'=>0,
'subquestions'=>1,
'assessable'=>1,
'answerscales'=>0),
"L"=>array('description'=>$clang->gT("List (Radio)"),
'subquestions'=>0,
'hasdefaultvalues'=>1,
'assessable'=>0,
'answerscales'=>1),
"M"=>array('description'=>$clang->gT("Multiple Options"),
'subquestions'=>1,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"N"=>array('description'=>$clang->gT("Numerical Input"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"O"=>array('description'=>$clang->gT("List with comment"),
'subquestions'=>0,
'hasdefaultvalues'=>1,
'assessable'=>0,
'answerscales'=>1),
"P"=>array('description'=>$clang->gT("Multiple Options With Comments"),
'subquestions'=>1,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"Q"=>array('description'=>$clang->gT("Multiple Short Text"),
'subquestions'=>1,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"R"=>array('description'=>$clang->gT("Ranking"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>1),
"S"=>array('description'=>$clang->gT("Short Free Text"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"T"=>array('description'=>$clang->gT("Long Free Text"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"U"=>array('description'=>$clang->gT("Huge Free Text"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"X"=>array('description'=>$clang->gT("Boilerplate Question"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"Y"=>array('description'=>$clang->gT("Yes/No"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"!"=>array('description'=>$clang->gT("List (Dropdown)"),
'subquestions'=>0,
'hasdefaultvalues'=>1,
'assessable'=>0,
'answerscales'=>1),
":"=>array('description'=>$clang->gT("Array (Numbers)"),
'subquestions'=>2,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>0),
";"=>array('description'=>$clang->gT("Array (Texts)"),
'subquestions'=>2,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
);
asort($qtypes);
if ($ReturnType == "array") {return $qtypes;}
$qtypeselecter = "";
foreach($qtypes as $TypeCode=>$TypeProperties)
{
$qtypeselecter .= "<option value='$TypeCode'";
if ($SelectedCode == $TypeCode) {$qtypeselecter .= " selected='selected'";}
$qtypeselecter .= ">{$TypeProperties['description']}</option>\n";
}
return $qtypeselecter;
}
function &db_execute_num($sql,$inputarr=false)
{
global $connect;
$connect->SetFetchMode(ADODB_FETCH_NUM);
$dataset=$connect->Execute($sql,$inputarr); //Checked
return $dataset;
}
function &db_select_limit_num($sql,$numrows=-1,$offset=-1,$inputarr=false)
{
global $connect;
$connect->SetFetchMode(ADODB_FETCH_NUM);
$dataset=$connect->SelectLimit($sql,$numrows,$offset,$inputarr=false) or safe_die($sql);
return $dataset;
}
function &db_execute_assoc($sql,$inputarr=false,$silent=false)
{
global $connect;
$connect->SetFetchMode(ADODB_FETCH_ASSOC);
$dataset=$connect->Execute($sql,$inputarr); //Checked
if (!$silent && !$dataset) {safe_die($connect->ErrorMsg().':'.$sql);}
return $dataset;
}
function &db_select_limit_assoc($sql,$numrows=-1,$offset=-1,$inputarr=false,$dieonerror=true)
{
global $connect;
$connect->SetFetchMode(ADODB_FETCH_ASSOC);
$dataset=$connect->SelectLimit($sql,$numrows,$offset,$inputarr=false);
if (!$dataset && $dieonerror) {safe_die($connect->ErrorMsg().':'.$sql);}
return $dataset;
}
/**
* Returns the first row of values of the $sql query result
* as a 1-dimensional array
*
* @param mixed $sql
*/
function &db_select_column($sql)
{
global $connect;
$connect->SetFetchMode(ADODB_FETCH_NUM);
$dataset=$connect->Execute($sql);
$resultarray=array();
while ($row = $dataset->fetchRow()) {
$resultarray[]=$row[0];
}
return $resultarray;
}
/**
* This functions quotes fieldnames accordingly
*
* @param mixed $id Fieldname to be quoted
*/
function db_quote_id($id)
{
global $databasetype;
// WE DONT HAVE nor USE other thing that alfanumeric characters in the field names
// $quote = $connect->nameQuote;
// return $quote.str_replace($quote,$quote.$quote,$id).$quote;
switch ($databasetype)
{
case "mysqli" :
case "mysql" :
return "`".$id."`";
break;
case "mssql_n" :
case "mssql" :
case "odbc_mssql" :
return "[".$id."]";
break;
case "postgres":
return "\"".$id."\"";
break;
default:
return "`".$id."`";
}
}
function db_random()
{
global $connect,$databasetype;
if ($databasetype=='odbc_mssql' || $databasetype=='mssql_n' || $databasetype=='odbtp') {$srandom='NEWID()';}
else {$srandom=$connect->random;}
return $srandom;
}
function db_quote($str,$ispostvar=false)
// This functions escapes the string only inside
{
global $connect;
if ($ispostvar) { return $connect->escape($str, get_magic_quotes_gpc());}
else {return $connect->escape($str);}
}
function db_quoteall($str,$ispostvar=false)
// This functions escapes the string inside and puts quotes around the string according to the used db type
// IF you are quoting a variable from a POST/GET then set $ispostvar to true so it doesnt get quoted twice.
{
global $connect;
if ($ispostvar) { return $connect->qstr($str, get_magic_quotes_gpc());}
else {return $connect->qstr($str);}
}
function db_table_name($name)
{
global $dbprefix;
return db_quote_id($dbprefix.$name);
}
/**
* returns the table name without quotes
*
* @param mixed $name
*/
function db_table_name_nq($name)
{
global $dbprefix;
return $dbprefix.$name;
}
/**
* Return a sql statement for finding LIKE named tables
*
* @param mixed $table
*/
function db_select_tables_like($table)
{
global $databasetype;
switch ($databasetype) {
case 'mysqli':
case 'mysql' :
return "SHOW TABLES LIKE '$table'";
case 'odbtp' :
case 'mssql_n' :
case 'odbc_mssql' :
return "SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES where TABLE_TYPE='BASE TABLE' and TABLE_NAME LIKE '$table'";
case 'postgres' :
return "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public' and table_name like '$table'";
default: safe_die ("Couldn't create 'select tables like' query for connection type 'databaseType'");
}
}
/**
* Return a boolean stating if the table(s) exist(s)
* Accepts '%' in names since it uses the 'like' statement
*
* @param mixed $table
*/
function db_tables_exist($table)
{
global $connect;
$surveyHasTokensTblQ = db_select_tables_like("$table");
$surveyHasTokensTblResult = db_execute_num($surveyHasTokensTblQ); //Checked
if ($surveyHasTokensTblResult->RecordCount() >= 1)
{
return TRUE;
}
else
{
return FALSE;
}
}
/**
* getsurveylist() Queries the database (survey table) for a list of existing surveys
*
* @param mixed $returnarray boolean - if set to true an array instead of an HTML option list is given back
*
* @global string $surveyid
* @global string $dbprefix
* @global string $scriptname
* @global string $connect
* @global string $clang
*
* @return string This string is returned containing <option></option> formatted list of existing surveys
*
*/
function getsurveylist($returnarray=false)
{
global $surveyid, $dbprefix, $scriptname, $connect, $clang, $timeadjust;
static $cached = null;
if(is_null($cached)) {
$surveyidquery = " SELECT a.*, surveyls_title, surveyls_description, surveyls_welcometext, surveyls_url "
." FROM ".db_table_name('surveys')." AS a "
. "INNER JOIN ".db_table_name('surveys_languagesettings')." on (surveyls_survey_id=a.sid and surveyls_language=a.language) ";
if ($_SESSION['USER_RIGHT_SUPERADMIN'] != 1)
{
$surveyidquery .= " INNER JOIN ".db_table_name('surveys_rights')." AS b ON a.sid = b.sid ";
$surveyidquery .= "WHERE b.uid =".$_SESSION['loginID'];
}
$surveyidquery .= " order by active DESC, surveyls_title";
$surveyidresult = db_execute_assoc($surveyidquery); //Checked
if (!$surveyidresult) {return "Database Error";}
$surveynames = $surveyidresult->GetRows();
$cached=$surveynames;
} else {
$surveynames = $cached;
}
$surveyselecter = "";
if ($returnarray===true) return $surveynames;
$activesurveys='';
$inactivesurveys='';
$expiredsurveys='';
if ($surveynames)
{
foreach($surveynames as $sv)
{
$sv['surveyls_title']=htmlspecialchars(strip_tags($sv['surveyls_title']));
if($sv['active']!='Y')
{
$inactivesurveys .= "<option ";
if($_SESSION['loginID'] == $sv['owner_id']) {$inactivesurveys .= " style=\"font-weight: bold;\"";}
if ($sv['sid'] == $surveyid) {$inactivesurveys .= " selected='selected'"; $svexist = 1;}
$inactivesurveys .=" value='$scriptname?sid={$sv['sid']}'>{$sv['surveyls_title']}</option>\n";
}
elseif($sv['expires']!='' && $sv['expires'] < date_shift(date("Y-m-d H:i:s"), "Y-m-d H:i:s", $timeadjust))
{
$expiredsurveys .="<option ";
if ($_SESSION['loginID'] == $sv['owner_id']) {$expiredsurveys .= " style=\"font-weight: bold;\"";}
if ($sv['sid'] == $surveyid) {$expiredsurveys .= " selected='selected'"; $svexist = 1;}
$expiredsurveys .=" value='$scriptname?sid={$sv['sid']}'>{$sv['surveyls_title']}</option>\n";
}
else
{
$activesurveys .= "<option ";
if($_SESSION['loginID'] == $sv['owner_id']) {$activesurveys .= " style=\"font-weight: bold;\"";}
if ($sv['sid'] == $surveyid) {$activesurveys .= " selected='selected'"; $svexist = 1;}
$activesurveys .=" value='$scriptname?sid={$sv['sid']}'>{$sv['surveyls_title']}</option>\n";
}
}
}
//Only show each activesurvey group if there are some
if ($activesurveys!='')
{
$surveyselecter .= "<optgroup label='".$clang->gT("Active")."' class='activesurveyselect'>\n";
$surveyselecter .= $activesurveys . "</optgroup>";
}
if ($expiredsurveys!='')
{
$surveyselecter .= "<optgroup label='".$clang->gT("Expired")."' class='expiredsurveyselect'>\n";
$surveyselecter .= $expiredsurveys . "</optgroup>";
}
if ($inactivesurveys!='')
{
$surveyselecter .= "<optgroup label='".$clang->gT("Inactive")."' class='inactivesurveyselect'>\n";
$surveyselecter .= $inactivesurveys . "</optgroup>";
}
if (!isset($svexist)) {$surveyselecter = "<option selected='selected'>".$clang->gT("Please Choose...")."</option>\n".$surveyselecter;}
else {$surveyselecter = "<option value='$scriptname?sid='>".$clang->gT("None")."</option>\n".$surveyselecter;}
return $surveyselecter;
}
/**
* getQuestions() queries the database for an list of all questions matching the current survey and group id
*
* @global string $surveyid
* @global string $gid
* @global string $selectedqid
*
* @return This string is returned containing <option></option> formatted list of questions in the current survey and group
*/
function getQuestions($surveyid,$gid,$selectedqid)
{
global $dbprefix, $scriptname, $connect, $clang;
$s_lang = GetBaseLanguageFromSurveyID($surveyid);
$qquery = 'SELECT * FROM '.db_table_name('questions')." WHERE sid=$surveyid AND gid=$gid AND language='{$s_lang}' and parent_qid=0 order by question_order";
$qresult = db_execute_assoc($qquery); //checked
$qrows = $qresult->GetRows();
if (!isset($questionselecter)) {$questionselecter="";}
foreach ($qrows as $qrow)
{
$qrow['title'] = strip_tags($qrow['title']);
$questionselecter .= "<option value='$scriptname?sid=$surveyid&gid=$gid&qid={$qrow['qid']}'";
if ($selectedqid == $qrow['qid']) {$questionselecter .= " selected='selected'"; $qexists="Y";}
$questionselecter .=">{$qrow['title']}:";
$questionselecter .= " ";
$question=FlattenText($qrow['question']);
if (strlen($question)<35)
{
$questionselecter .= $question;
}
else
{
$questionselecter .= htmlspecialchars(mb_strcut(html_entity_decode($question,ENT_QUOTES,'UTF-8'), 0, 35, 'UTF-8'))."...";
}
$questionselecter .= "</option>\n";
}
if (!isset($qexists))
{
$questionselecter = "<option selected='selected'>".$clang->gT("Please Choose...")."</option>\n".$questionselecter;
}
return $questionselecter;
}
/**
* Gets number of groups inside a particular survey
*
* @param string $surveyid
* @param mixed $lang
*/
function getGroupSum($surveyid, $lang)
{
global $surveyid,$dbprefix ;
$sumquery3 = "SELECT * FROM ".db_table_name('groups')." WHERE sid=$surveyid AND language='".$lang."'"; //Getting a count of questions for this survey
$sumresult3 = db_execute_assoc($sumquery3); //Checked
$groupscount = $sumresult3->RecordCount();
return $groupscount ;
}
/**
* Gets number of questions inside a particular group
*
* @param string $surveyid
* @param mixed $groupid
*/
function getQuestionSum($surveyid, $groupid)
{
global $surveyid,$dbprefix ;
$s_lang = GetBaseLanguageFromSurveyID($surveyid);
$sumquery3 = "SELECT * FROM ".db_table_name('questions')." WHERE gid=$groupid and sid=$surveyid AND language='{$s_lang}'"; //Getting a count of questions for this survey
$sumresult3 = db_execute_assoc($sumquery3); //Checked
$questionscount = $sumresult3->RecordCount();
return $questionscount ;
}
/**
* getMaxgrouporder($surveyid) queries the database for the maximum sortorder of a group.
*
* @param mixed $surveyid
* @global string $surveyid
*/
function getMaxgrouporder($surveyid)
{
global $surveyid ;
$s_lang = GetBaseLanguageFromSurveyID($surveyid);
$max_sql = "SELECT max( group_order ) AS max FROM ".db_table_name('groups')." WHERE sid =$surveyid AND language='{$s_lang}'" ;
$max_result =db_execute_assoc($max_sql) ; //Checked
$maxrow = $max_result->FetchRow() ;
$current_max = $maxrow['max'];
if($current_max=="")
{
return "0" ;
}
else return ++$current_max ;
}
/**
* getGroupOrder($surveyid,$gid) queries the database for the sortorder of a group.
*
* @param mixed $surveyid
* @param mixed $gid
* @return mixed
*/
function getGroupOrder($surveyid,$gid)
{
$s_lang = GetBaseLanguageFromSurveyID($surveyid);
$grporder_sql = "SELECT group_order FROM ".db_table_name('groups')." WHERE sid =$surveyid AND language='{$s_lang}' AND gid=$gid" ;
$grporder_result =db_execute_assoc($grporder_sql); //Checked
$grporder_row = $grporder_result->FetchRow() ;
$group_order = $grporder_row['group_order'];
if($group_order=="")
{
return "0" ;
}
else return $group_order ;
}
/**
* getMaxquestionorder($gid) queries the database for the maximum sortorder of a question.
*
* @global string $surveyid
*/
function getMaxquestionorder($gid)
{
global $surveyid ;
$gid=sanitize_int($gid);
$s_lang = GetBaseLanguageFromSurveyID($surveyid);
$max_sql = "SELECT max( question_order ) AS max FROM ".db_table_name('questions')." WHERE gid='$gid' AND language='$s_lang'";
$max_result =db_execute_assoc($max_sql) ; //Checked
$maxrow = $max_result->FetchRow() ;
$current_max = $maxrow['max'];
if($current_max=="")
{
return "0" ;
}
else return $current_max ;
}
/**
* question_class() returns a class name for a given question type to allow custom styling for each question type.
*
* @param string $input containing unique character representing each question type.
* @return string containing the class name for a given question type.
*/
function question_class($input)
{
switch($input)
{ // I think this is a bad solution to adding classes to question
// DIVs but I can't think of a better solution. (eric_t_cruiser)
case 'X': return 'boilerplate'; // BOILERPLATE QUESTION
case '5': return 'choice-5-pt-radio'; // 5 POINT CHOICE radio-buttons
case 'D': return 'date'; // DATE
case 'Z': return 'list-radio-flexible'; // LIST Flexible radio-button
case 'L': return 'list-radio'; // LIST radio-button
case 'W': return 'list-dropdown-flexible'; // LIST drop-down (flexible label)
case '!': return 'list-dropdown'; // List - dropdown
case 'O': return 'list-with-comment'; // LIST radio-button + textarea
case 'R': return 'ranking'; // RANKING STYLE
case 'M': return 'multiple-opt'; // MULTIPLE OPTIONS checkbox
case 'I': return 'language'; // Language Question
case 'P': return 'multiple-opt-comments'; // MULTIPLE OPTIONS WITH COMMENTS checkbox + text
case 'Q': return 'multiple-short-txt'; // TEXT
case 'K': return 'numeric-multi'; // MULTIPLE NUMERICAL QUESTION
case 'N': return 'numeric'; // NUMERICAL QUESTION TYPE
case 'S': return 'text-short'; // SHORT FREE TEXT
case 'T': return 'text-long'; // LONG FREE TEXT
case 'U': return 'text-huge'; // HUGE FREE TEXT
case 'Y': return 'yes-no'; // YES/NO radio-buttons
case 'G': return 'gender'; // GENDER drop-down list
case 'A': return 'array-5-pt'; // ARRAY (5 POINT CHOICE) radio-buttons
case 'B': return 'array-10-pt'; // ARRAY (10 POINT CHOICE) radio-buttons
case 'C': return 'array-yes-uncertain-no'; // ARRAY (YES/UNCERTAIN/NO) radio-buttons
case 'E': return 'array-increase-same-decrease'; // ARRAY (Increase/Same/Decrease) radio-buttons
case 'F': return 'array-flexible-row'; // ARRAY (Flexible) - Row Format
case 'H': return 'array-flexible-column'; // ARRAY (Flexible) - Column Format
// case '^': return 'slider'; // SLIDER CONTROL
case ':': return 'array-multi-flexi'; // ARRAY (Multi Flexi) 1 to 10
case ";": return 'array-multi-flexi-text';
case "1": return 'array-flexible-duel-scale'; // Array dual scale
default: return 'generic_question'; // Should have a default fallback
};
};
if(!defined('COLSTYLE'))
{
/**
* The following prepares and defines the 'COLSTYLE' constant which
* dictates how columns are to be marked up for list type questions.
*
* $column_style is initialised at the end of config-defaults.php or from within config.php
*/
if( !isset($column_style) ||
$column_style != 'css' ||
$column_style != 'ul' ||
$column_style != 'table' ||
$column_style != null )
{
$column_style = 'ul';
};
define('COLSTYLE' ,strtolower($column_style), true);
};
function setup_columns($columns, $answer_count)
{
/**
* setup_columns() defines all the html tags to be wrapped around
* various list type answers.
*
* @param integer $columns - the number of columns, usually supplied by $dcols
* @param integer $answer_count - the number of answers to a question, usually supplied by $anscount
* @return array with all the various opening and closing tags to generate a set of columns.
*
* It returns an array with the following items:
* $wrapper['whole-start'] = Opening wrapper for the whole list
* $wrapper['whole-end'] = closing wrapper for the whole list
* $wrapper['col-devide'] = normal column devider
* $wrapper['col-devide-last'] = the last column devider (to allow
* for different styling of the last
* column
* $wrapper['item-start'] = opening wrapper tag for individual
* option
* $wrapper['item-start-other'] = opening wrapper tag for other
* option
* $wrapper['item-end'] = closing wrapper tag for individual
* option
* $wrapper['maxrows'] = maximum number of rows in each
* column
* $wrapper['cols'] = Number of columns to be inserted
* (and checked against)
*
* It also expect the constant COLSTYLE which sets how columns should
* be rendered.
*