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common_functions.php
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common_functions.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: common_functions.php 12418 2012-02-09 11:54:10Z mennodekker $
* Files Purpose: lots of common functions
*/
if (version_compare(PHP_VERSION,'5.1.2')<0)
{
die('Your PHP version is outdated. LimeSurvey needs PHP 5.2 or later.');
}
require_once('replacements.php');
/**
* This function gives back an array that defines which survey permissions and what part of the CRUD+Import+Export subpermissions is available.
* - for example it would not make sense to have a 'create' permissions for survey locale settings as they exist with every survey
* so the editor for survey permission should not show a checkbox here, therfore the create element of that permission is set to 'false'
* If you want to generally add a new permission just add it here.
*
*/
function aGetBaseSurveyPermissions()
{
global $clang;
$aPermissions=array(
'assessments'=>array('create'=>true,'read'=>true,'update'=>true,'delete'=>true,'import'=>false,'export'=>false,'title'=>$clang->gT("Assessments"),'description'=>$clang->gT("Permission to create/view/update/delete assessments rules for a survey"),'img'=>'assessments'), // Checked
'quotas'=>array('create'=>true,'read'=>true,'update'=>true,'delete'=>true,'import'=>false,'export'=>false,'title'=>$clang->gT("Quotas"),'description'=>$clang->gT("Permission to create/view/update/delete quota rules for a survey"),'img'=>'quota'), // Checked
'responses'=>array('create'=>true,'read'=>true,'update'=>true,'delete'=>true,'import'=>true,'export'=>true,'title'=>$clang->gT("Responses"),'description'=>$clang->gT("Permission to create(data entry)/view/update/delete/import/export responses"),'img'=>'browse'),
'statistics'=>array('create'=>false,'read'=>true,'update'=>false,'delete'=>false,'import'=>false,'export'=>false,'title'=>$clang->gT("Statistics"),'description'=>$clang->gT("Permission to view statistics"),'img'=>'statistics'), //Checked
'survey'=>array('create'=>false,'read'=>true,'update'=>false,'delete'=>true,'import'=>false,'export'=>false,'title'=>$clang->gT("Survey deletion"),'description'=>$clang->gT("Permission to delete a survey"),'img'=>'delete'), //Checked
'surveyactivation'=>array('create'=>false,'read'=>false,'update'=>true,'delete'=>false,'import'=>false,'export'=>false,'title'=>$clang->gT("Survey activation"),'description'=>$clang->gT("Permission to activate/deactivate a survey"),'img'=>'activate_deactivate'), //Checked
'surveycontent'=>array('create'=>true,'read'=>true,'update'=>true,'delete'=>true,'import'=>true,'export'=>true,'title'=>$clang->gT("Survey content"),'description'=>$clang->gT("Permission to create/view/update/delete/import/export the questions, groups, answers & conditions of a survey"),'img'=>'add'),
'surveylocale'=>array('create'=>false,'read'=>true,'update'=>true,'delete'=>false,'import'=>false,'export'=>false,'title'=>$clang->gT("Survey locale settings"),'description'=>$clang->gT("Permission to view/update the survey locale settings"),'img'=>'edit'),
'surveysecurity'=>array('create'=>true,'read'=>true,'update'=>true,'delete'=>true,'import'=>false,'export'=>false,'title'=>$clang->gT("Survey security"),'description'=>$clang->gT("Permission to modify survey security settings"),'img'=>'survey_security'),
'surveysettings'=>array('create'=>false,'read'=>true,'update'=>true,'delete'=>false,'import'=>false,'export'=>false,'title'=>$clang->gT("Survey settings"),'description'=>$clang->gT("Permission to view/update the survey settings including token table creation"),'img'=>'survey_settings'),
'tokens'=>array('create'=>true,'read'=>true,'update'=>true,'delete'=>true,'import'=>true,'export'=>true,'title'=>$clang->gT("Tokens"),'description'=>$clang->gT("Permission to create/update/delete/import/export token entries"),'img'=>'tokens'),
'translations'=>array('create'=>false,'read'=>true,'update'=>true,'delete'=>false,'import'=>false,'export'=>false,'title'=>$clang->gT("Quick translation"),'description'=>$clang->gT("Permission to view & update the translations using the quick-translation feature"),'img'=>'translate')
);
uasort($aPermissions,"aComparePermission");
return $aPermissions;
}
/**
* Simple function to sort the permissions by title
*
* @param mixed $aPermissionA Permission A to compare
* @param mixed $aPermissionB Permission B to compare
*/
function aComparePermission($aPermissionA,$aPermissionB)
{
if($aPermissionA['title'] >$aPermissionB['title']) {
return 1;
}
else {
return -1;
}
}
/**
* 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 $ReturnType param, returns a straight "array" of question types, or an <option></option> list
*
* Explanation of questiontype array:
*
* description : Question description
* subquestions : 0= Does not support subquestions x=Number of subquestion scales
* answerscales : 0= Does not need answers x=Number of answer scales (usually 1, but e.g. for dual scale question set to 2)
* assessable : 0=Does not support assessment values when editing answerd 1=Support assessment values
*/
function getqtypelist($SelectedCode = "T", $ReturnType = "selector")
{
global $publicurl;
global $sourcefrom, $clang;
if (!isset($clang))
{
$clang = new limesurvey_lang("en");
}
$group['Arrays'] = $clang->gT('Arrays');
$group['MaskQuestions'] = $clang->gT("Mask questions");
$group['SinChoiceQues'] = $clang->gT("Single choice questions");
$group['MulChoiceQues'] = $clang->gT("Multiple choice questions");
$group['TextQuestions'] = $clang->gT("Text questions");
$qtypes = array(
"1"=>array('description'=>$clang->gT("Array dual scale"),
'group'=>$group['Arrays'],
'subquestions'=>1,
'assessable'=>1,
'hasdefaultvalues'=>0,
'answerscales'=>2),
"5"=>array('description'=>$clang->gT("5 Point Choice"),
'group'=>$group['SinChoiceQues'],
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"A"=>array('description'=>$clang->gT("Array (5 Point Choice)"),
'group'=>$group['Arrays'],
'subquestions'=>1,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>0),
"B"=>array('description'=>$clang->gT("Array (10 Point Choice)"),
'group'=>$group['Arrays'],
'subquestions'=>1,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>0),
"C"=>array('description'=>$clang->gT("Array (Yes/No/Uncertain)"),
'group'=>$group['Arrays'],
'subquestions'=>1,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>0),
"D"=>array('description'=>$clang->gT("Date"),
'group'=>$group['MaskQuestions'],
'subquestions'=>0,
'hasdefaultvalues'=>1,
'assessable'=>0,
'answerscales'=>0),
"E"=>array('description'=>$clang->gT("Array (Increase/Same/Decrease)"),
'group'=>$group['Arrays'],
'subquestions'=>1,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>0),
"F"=>array('description'=>$clang->gT("Array"),
'group'=>$group['Arrays'],
'subquestions'=>1,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>1),
"G"=>array('description'=>$clang->gT("Gender"),
'group'=>$group['MaskQuestions'],
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"H"=>array('description'=>$clang->gT("Array by column"),
'group'=>$group['Arrays'],
'hasdefaultvalues'=>0,
'subquestions'=>1,
'assessable'=>1,
'answerscales'=>1),
"I"=>array('description'=>$clang->gT("Language Switch"),
'group'=>$group['MaskQuestions'],
'hasdefaultvalues'=>0,
'subquestions'=>0,
'assessable'=>0,
'answerscales'=>0),
"K"=>array('description'=>$clang->gT("Multiple Numerical Input"),
'group'=>$group['MaskQuestions'],
'hasdefaultvalues'=>1,
'subquestions'=>1,
'assessable'=>1,
'answerscales'=>0),
"L"=>array('description'=>$clang->gT("List (Radio)"),
'group'=>$group['SinChoiceQues'],
'subquestions'=>0,
'hasdefaultvalues'=>1,
'assessable'=>1,
'answerscales'=>1),
"M"=>array('description'=>$clang->gT("Multiple choice"),
'group'=>$group['MulChoiceQues'],
'subquestions'=>1,
'hasdefaultvalues'=>1,
'assessable'=>1,
'answerscales'=>0),
"N"=>array('description'=>$clang->gT("Numerical Input"),
'group'=>$group['MaskQuestions'],
'subquestions'=>0,
'hasdefaultvalues'=>1,
'assessable'=>0,
'answerscales'=>0),
"O"=>array('description'=>$clang->gT("List with comment"),
'group'=>$group['SinChoiceQues'],
'subquestions'=>0,
'hasdefaultvalues'=>1,
'assessable'=>1,
'answerscales'=>1),
"P"=>array('description'=>$clang->gT("Multiple choice with comments"),
'group'=>$group['MulChoiceQues'],
'subquestions'=>1,
'hasdefaultvalues'=>1,
'assessable'=>1,
'answerscales'=>0),
"Q"=>array('description'=>$clang->gT("Multiple Short Text"),
'group'=>$group['TextQuestions'],
'subquestions'=>1,
'hasdefaultvalues'=>1,
'assessable'=>0,
'answerscales'=>0),
"R"=>array('description'=>$clang->gT("Ranking"),
'group'=>$group['MaskQuestions'],
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>1),
"S"=>array('description'=>$clang->gT("Short Free Text"),
'group'=>$group['TextQuestions'],
'subquestions'=>0,
'hasdefaultvalues'=>1,
'assessable'=>0,
'answerscales'=>0),
"T"=>array('description'=>$clang->gT("Long Free Text"),
'group'=>$group['TextQuestions'],
'subquestions'=>0,
'hasdefaultvalues'=>1,
'assessable'=>0,
'answerscales'=>0),
"U"=>array('description'=>$clang->gT("Huge Free Text"),
'group'=>$group['TextQuestions'],
'subquestions'=>0,
'hasdefaultvalues'=>1,
'assessable'=>0,
'answerscales'=>0),
"X"=>array('description'=>$clang->gT("Text display"),
'group'=>$group['MaskQuestions'],
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"Y"=>array('description'=>$clang->gT("Yes/No"),
'group'=>$group['MaskQuestions'],
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"!"=>array('description'=>$clang->gT("List (Dropdown)"),
'group'=>$group['SinChoiceQues'],
'subquestions'=>0,
'hasdefaultvalues'=>1,
'assessable'=>1,
'answerscales'=>1),
":"=>array('description'=>$clang->gT("Array (Numbers)"),
'group'=>$group['Arrays'],
'subquestions'=>2,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>0),
";"=>array('description'=>$clang->gT("Array (Texts)"),
'group'=>$group['Arrays'],
'subquestions'=>2,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"|"=>array('description'=>$clang->gT("File upload"),
'group'=>$group['MaskQuestions'],
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"*"=>array('description'=>$clang->gT("Equation"),
'group'=>$group['MaskQuestions'],
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
);
asort($qtypes);
if ($ReturnType == "array") {return $qtypes;}
if ($ReturnType == "group"){
foreach($qtypes as $qkey=>$qtype){
$newqType[$qtype['group']][$qkey] = $qtype;
}
$qtypeselecter = "";
foreach($newqType as $group=>$members)
{
$qtypeselecter .= '<optgroup label="'.$group.'">';
foreach($members as $TypeCode=>$TypeProperties){
$qtypeselecter .= "<option value='$TypeCode'";
if ($SelectedCode == $TypeCode) {$qtypeselecter .= " selected='selected'";}
$qtypeselecter .= ">{$TypeProperties['description']}</option>\n";
}
$qtypeselecter .= '</optgroup>';
}
return $qtypeselecter;
};
$qtypeselecter = "";
foreach($qtypes as $TypeCode=>$TypeProperties)
{
$qtypeselecter .= "<option value='$TypeCode'";
if ($SelectedCode == $TypeCode) {$qtypeselecter .= " selected='selected'";}
$qtypeselecter .= ">{$TypeProperties['description']}</option>\n";
}
return $qtypeselecter;
}
/**
* isStandardTemplate returns true if a template is a standard template
* This function does not check if a template actually exists
*
* @param mixed $sTemplateName template name to look for
* @return bool True if standard template, otherwise false
*/
function isStandardTemplate($sTemplateName)
{
return in_array($sTemplateName,array('basic',
'bluengrey',
'business_grey',
'citronade',
'clear_logo',
'default',
'eirenicon',
'limespired',
'mint_idea',
'sherpa',
'vallendar'));
}
function &db_execute_num($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 alphanumeric 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 "mssqlnative" :
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
* Be aware that you have to escape underscor chars by using a backslash
* otherwise you might get table names returned you don't want
*
* @param mixed $table
*/
function db_select_tables_like($table)
{
global $databasetype;
switch ($databasetype) {
case 'mysqli':
case 'mysql' :
return "SHOW TABLES LIKE '$table'";
case 'odbtp' :
case 'mssql_n' :
case 'mssqlnative':
case 'odbc_mssql' :
return "SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES where TABLE_TYPE='BASE TABLE' and TABLE_NAME LIKE '$table'";
case 'postgres' :
$table=str_replace('\\','\\\\',$table);
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,$returnwithouturl=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 (!bHasGlobalPermission('USER_RIGHT_SUPERADMIN'))
{
$surveyidquery .= "WHERE a.sid in (select sid from ".db_table_name('survey_permissions')." where uid={$_SESSION['loginID']} and permission='survey' and read_p=1) ";
}
$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)
{
$surveylstitle=FlattenText($sv['surveyls_title']);
if (strlen($surveylstitle)>45)
{
$surveylstitle = htmlspecialchars(mb_strcut(html_entity_decode($surveylstitle,ENT_QUOTES,'UTF-8'), 0, 45, 'UTF-8'))."...";
}
if($sv['active']!='Y')
{
$inactivesurveys .= "<option ";
if($_SESSION['loginID'] == $sv['owner_id'])
{
$inactivesurveys .= " style=\"font-weight: bold;\"";
}
if ($sv['sid'] == $surveyid)
{
$inactivesurveys .= " selected='selected'"; $svexist = 1;
}
if ($returnwithouturl===false)
{
$inactivesurveys .=" value='$scriptname?sid={$sv['sid']}'>{$surveylstitle}</option>\n";
} else
{
$inactivesurveys .=" value='{$sv['sid']}'>{$surveylstitle}</option>\n";
}
} elseif($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'"; $svexist = 1;
}
if ($returnwithouturl===false)
{
$expiredsurveys .=" value='$scriptname?sid={$sv['sid']}'>{$surveylstitle}</option>\n";
} else
{
$expiredsurveys .=" value='{$sv['sid']}'>{$surveylstitle}</option>\n";
}
} else
{
$activesurveys .= "<option ";
if($_SESSION['loginID'] == $sv['owner_id'])
{
$activesurveys .= " style=\"font-weight: bold;\"";
}
if ($sv['sid'] == $surveyid)
{
$activesurveys .= " selected='selected'"; $svexist = 1;
}
if ($returnwithouturl===false)
{
$activesurveys .=" value='$scriptname?sid={$sv['sid']}'>{$surveylstitle}</option>\n";
} else
{
$activesurveys .=" value='{$sv['sid']}'>{$surveylstitle}</option>\n";
}
}
} // End Foreach
}
//Only show each activesurvey group if there are some
if ($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))
{
$surveyselecter = "<option selected='selected' value=''>".$clang->gT("Please choose...")."</option>\n".$surveyselecter;
} else
{
if ($returnwithouturl===false)
{
$surveyselecter = "<option value='$scriptname?sid='>".$clang->gT("None")."</option>\n".$surveyselecter;
} else
{
$surveyselecter = "<option value=''>".$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 $scriptname, $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;
}
/**
* getGidPrevious() returns the Gid of the group prior to the current active group
*
* @param string $surveyid
* @param string $gid
*
* @return The Gid of the previous group
*/
function getGidPrevious($surveyid, $gid)
{
global $scriptname, $clang;
if (!$surveyid) {$surveyid=returnglobal('sid');}
$s_lang = GetBaseLanguageFromSurveyID($surveyid);
$gquery = "SELECT gid FROM ".db_table_name('groups')." WHERE sid=$surveyid AND language='{$s_lang}' ORDER BY group_order";
$qresult = db_execute_assoc($gquery); //checked
$qrows = $qresult->GetRows();
$i = 0;
$iPrev = -1;
foreach ($qrows as $qrow)
{
if ($gid == $qrow['gid']) {$iPrev = $i - 1;}
$i += 1;
}
if ($iPrev >= 0) {$GidPrev = $qrows[$iPrev]['gid'];}
else {$GidPrev = "";}
return $GidPrev;
}
/**
* getQidPrevious() returns the Qid of the question prior to the current active question
*
* @param string $surveyid
* @param string $gid
* @param string $qid
*
* @return This Qid of the previous question
*/
function getQidPrevious($surveyid, $gid, $qid)
{
global $scriptname, $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();
$i = 0;
$iPrev = -1;
foreach ($qrows as $qrow)
{
if ($qid == $qrow['qid']) {$iPrev = $i - 1;}
$i += 1;
}
if ($iPrev >= 0) {$QidPrev = $qrows[$iPrev]['qid'];}
else {$QidPrev = "";}
return $QidPrev;
}
/**
* getGidNext() returns the Gid of the group next to the current active group
*
* @param string $surveyid
* @param string $gid
*
* @return The Gid of the next group
*/
function getGidNext($surveyid, $gid)
{
global $scriptname, $clang;
if (!$surveyid) {$surveyid=returnglobal('sid');}
$s_lang = GetBaseLanguageFromSurveyID($surveyid);
$gquery = "SELECT gid FROM ".db_table_name('groups')." WHERE sid=$surveyid AND language='{$s_lang}' ORDER BY group_order";
$qresult = db_execute_assoc($gquery); //checked
$qrows = $qresult->GetRows();
$GidNext="";
$i = 0;
$iNext = 1;
foreach ($qrows as $qrow)
{
if ($gid == $qrow['gid']) {$iNext = $i + 1;}
$i += 1;
}
if ($iNext < count($qrows)) {$GidNext = $qrows[$iNext]['gid'];}
else {$GidNext = "";}
return $GidNext;
}
/**
* getQidNext() returns the Qid of the question prior to the current active question
*
* @param string $surveyid
* @param string $gid
* @param string $qid
*
* @return This Qid of the previous question
*/
function getQidNext($surveyid, $gid, $qid)
{
global $scriptname, $clang;
$s_lang = GetBaseLanguageFromSurveyID($surveyid);
$qquery = 'SELECT qid FROM '.db_table_name('questions')." WHERE sid=$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();
$i = 0;
$iNext = 1;
foreach ($qrows as $qrow)
{
if ($qid == $qrow['qid']) {$iNext = $i + 1;}
$i += 1;
}
if ($iNext < count($qrows)) {$QidNext = $qrows[$iNext]['qid'];}
else {$QidNext = "";}
return $QidNext;
}
/**
* This function calculates how much space is actually used by all files uploaded
* using the File Upload question type
*
* @returns integer Actual space used in MB
*/
function fCalculateTotalFileUploadUsage(){
global $uploaddir;
$sQuery="select sid from ".db_table_name('surveys');
$oResult = db_execute_assoc($sQuery); //checked
$aRows = $oResult->GetRows();
$iTotalSize=0.0;
foreach ($aRows as $aRow)
{
$sFilesPath=$uploaddir.'/surveys/'.$aRow['sid'].'/files';
if (file_exists($sFilesPath))
{
$iTotalSize+=(float)iGetDirectorySize($sFilesPath);
}
}
return (float)$iTotalSize/1024/1024;
}
function iGetDirectorySize($directory) {
$size = 0;
foreach(new RecursiveIteratorIterator(new RecursiveDirectoryIterator($directory)) as $file){
$size+=$file->getSize();
}
return $size;
}
/**
* 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 and returns the next higher one.
*
* @param mixed $surveyid
* @global string $surveyid
*/
function getMaxgrouporder($surveyid)
{
global $surveyid, $connect ;
$s_lang = GetBaseLanguageFromSurveyID($surveyid);
$max_sql = "SELECT max( group_order ) AS max FROM ".db_table_name('groups')." WHERE sid =$surveyid AND language='{$s_lang}'" ;
$current_max = $connect->GetOne($max_sql) ;
if(is_null($current_max))
{
return "0" ;
}
else return ++$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 choice checkbox
case 'I': return 'language'; // Language Question
case 'P': return 'multiple-opt-comments'; // Multiple choice 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
case "*": return 'equation'; // Equation
default: return 'generic_question'; // Should have a default fallback
};
};