mirror of
https://github.com/ACSPRI/queXS
synced 2024-04-02 12:12:16 +00:00
541 lines
21 KiB
PHP
541 lines
21 KiB
PHP
<?php
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/*
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* LimeSurvey
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* Copyright (C) 2007 The LimeSurvey Project Team / Carsten Schmitz
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* All rights reserved.
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* License: GNU/GPL License v2 or later, see LICENSE.php
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* LimeSurvey is free software. This version may have been modified pursuant
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* to the GNU General Public License, and as distributed it includes or
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* is derivative of works licensed under the GNU General Public License or
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* other free or open source software licenses.
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* See COPYRIGHT.php for copyright notices and details.
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*
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* $Id: export_data_functions.php 11664 2011-12-16 05:19:42Z tmswhite $
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*/
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/**
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* Strips html tags and replaces new lines
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*
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* @param $string
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* @return $string
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*/
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function strip_tags_full($string) {
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$string=html_entity_decode($string, ENT_QUOTES, "UTF-8");
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//combining these into one mb_ereg_replace call ought to speed things up
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//$string = str_replace(array("\r\n","\r","\n",'-oth-'), '', $string);
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//The backslashes must be escaped twice, once for php, and again for the regexp
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//$string = str_replace("'|\\\\'", "'", $string);
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return FlattenText($string);
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}
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/**
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* Returns true if passed $value is numeric
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*
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* @param $value
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* @return bool
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*/
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function my_is_numeric($value) {
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if (empty($value)) return true;
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$eng_or_world = preg_match
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('/^[+-]?'. // start marker and sign prefix
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'(((([0-9]+)|([0-9]{1,4}(,[0-9]{3,4})+)))?(\\.[0-9])?([0-9]*)|'. // american
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'((([0-9]+)|([0-9]{1,4}(\\.[0-9]{3,4})+)))?(,[0-9])?([0-9]*))'. // world
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'(e[0-9]+)?'. // exponent
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'$/', // end marker
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$value) == 1;
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return ($eng_or_world);
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}
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function spss_export_data ($na = null) {
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global $length_data;
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// Build array that has to be returned
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$fields = spss_fieldmap();
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//Now get the query string with all fields to export
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$query = spss_getquery();
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$result=db_execute_num($query) or safe_die("Couldn't get results<br />$query<br />".$connect->ErrorMsg()); //Checked
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$num_fields = $result->FieldCount();
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//This shouldn't occur, but just to be safe:
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if (count($fields)<>$num_fields) safe_die("Database inconsistency error");
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while (!$result->EOF) {
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$row = $result->GetRowAssoc(true); //Get assoc array, use uppercase
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reset($fields); //Jump to the first element in the field array
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$i = 1;
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foreach ($fields as $field)
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{
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$fieldno = strtoupper($field['sql_name']);
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if ($field['SPSStype']=='DATETIME23.2'){
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#convert mysql datestamp (yyyy-mm-dd hh:mm:ss) to SPSS datetime (dd-mmm-yyyy hh:mm:ss) format
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if (isset($row[$fieldno]))
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{
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list( $year, $month, $day, $hour, $minute, $second ) = preg_split( '([^0-9])', $row[$fieldno] );
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if ($year != '' && (int)$year >= 1970)
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{
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echo "'".date('d-m-Y H:i:s', mktime( $hour, $minute, $second, $month, $day, $year ) )."'";
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} else
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{
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echo ($na);
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}
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} else
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{
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echo ($na);
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}
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} else if ($field['LStype'] == 'Y')
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{
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if ($row[$fieldno] == 'Y') // Yes/No Question Type
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{
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echo( "'1'");
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} else if ($row[$fieldno] == 'N'){
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echo( "'2'");
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} else {
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echo($na);
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}
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} else if ($field['LStype'] == 'G') //Gender
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{
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if ($row[$fieldno] == 'F')
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{
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echo( "'1'");
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} else if ($row[$fieldno] == 'M'){
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echo( "'2'");
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} else {
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echo($na);
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}
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} else if ($field['LStype'] == 'C') //Yes/No/Uncertain
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{
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if ($row[$fieldno] == 'Y')
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{
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echo( "'1'");
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} else if ($row[$fieldno] == 'N'){
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echo( "'2'");
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} else if ($row[$fieldno] == 'U'){
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echo( "'3'");
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} else {
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echo($na);
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}
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} else if ($field['LStype'] == 'E') //Increase / Same / Decrease
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{
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if ($row[$fieldno] == 'I')
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{
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echo( "'1'");
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} else if ($row[$fieldno] == 'S'){
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echo( "'2'");
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} else if ($row[$fieldno] == 'D'){
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echo( "'3'");
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} else {
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echo($na);
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}
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} elseif (($field['LStype'] == 'P' || $field['LStype'] == 'M') && (substr($field['code'],-7) != 'comment' && substr($field['code'],-5) != 'other'))
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{
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if ($row[$fieldno] == 'Y')
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{
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echo("'1'");
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} else
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{
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echo("'0'");
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}
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} elseif (!$field['hide']) {
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$strTmp=mb_substr(strip_tags_full($row[$fieldno]), 0, $length_data);
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if (trim($strTmp) != ''){
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$strTemp=str_replace(array("'","\n","\r"),array("''",' ',' '),trim($strTmp));
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/*
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* Temp quick fix for replacing decimal dots with comma's
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if (my_is_numeric($strTemp)) {
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$strTemp = str_replace('.',',',$strTemp);
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}
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*/
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echo "'$strTemp'";
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}
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else
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{
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echo $na;
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}
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}
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if ($i<$num_fields && !$field['hide']) echo ',';
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$i++;
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}
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echo "\n";
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$result->MoveNext();
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}
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}
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/**
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* Check it the gives field has a labelset and return it as an array if true
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*
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* @param $field array field from spss_fieldmap
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* @return array or false
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*/
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function spss_getvalues ($field = array(), $qidattributes = null ) {
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global $surveyid, $dbprefix, $connect, $clang, $language, $length_vallabel;
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if (!isset($field['LStype']) || empty($field['LStype'])) return false;
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$answers=array();
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if (strpos("!LORFWZWH1",$field['LStype']) !== false) {
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if (substr($field['code'],-5) == 'other' || substr($field['code'],-7) == 'comment') {
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//We have a comment field, so free text
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} else {
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$query = "SELECT {$dbprefix}answers.code, {$dbprefix}answers.answer,
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{$dbprefix}questions.type FROM {$dbprefix}answers, {$dbprefix}questions WHERE";
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if (isset($field['scale_id'])) $query .= " {$dbprefix}answers.scale_id = " . (int) $field['scale_id'] . " AND";
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$query .= " {$dbprefix}answers.qid = '".$field["qid"]."' and {$dbprefix}questions.language='".$language."' and {$dbprefix}answers.language='".$language."'
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and {$dbprefix}questions.qid='".$field['qid']."' ORDER BY sortorder ASC";
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$result=db_execute_assoc($query) or safe_die("Couldn't lookup value labels<br />$query<br />".$connect->ErrorMsg()); //Checked
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$num_results = $result->RecordCount();
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if ($num_results > 0)
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{
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$displayvaluelabel = 0;
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# Build array that has to be returned
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for ($i=0; $i < $num_results; $i++)
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{
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$row = $result->FetchRow();
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$answers[] = array('code'=>$row['code'], 'value'=>mb_substr(strip_tags_full($row["answer"]),0,$length_vallabel));
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}
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}
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}
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} elseif ($field['LStype'] == ':') {
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$displayvaluelabel = 0;
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//Get the labels that could apply!
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if (is_null($qidattributes)) $qidattributes=getQuestionAttributes($field["qid"], $field['LStype']);
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if (trim($qidattributes['multiflexible_max'])!='') {
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$maxvalue=$qidattributes['multiflexible_max'];
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} else {
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$maxvalue=10;
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}
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if (trim($qidattributes['multiflexible_min'])!='')
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{
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$minvalue=$qidattributes['multiflexible_min'];
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} else {
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$minvalue=1;
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}
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if (trim($qidattributes['multiflexible_step'])!='')
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{
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$stepvalue=$qidattributes['multiflexible_step'];
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} else {
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$stepvalue=1;
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}
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if ($qidattributes['multiflexible_checkbox']!=0) {
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$minvalue=0;
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$maxvalue=1;
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$stepvalue=1;
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}
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for ($i=$minvalue; $i<=$maxvalue; $i+=$stepvalue)
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{
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$answers[] = array('code'=>$i, 'value'=>$i);
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}
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} elseif ($field['LStype'] == 'M' && substr($field['code'],-5) != 'other' && $field['size'] > 0)
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{
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$answers[] = array('code'=>1, 'value'=>$clang->gT('Yes'));
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$answers[] = array('code'=>0, 'value'=>$clang->gT('Not Selected'));
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} elseif ($field['LStype'] == "P" && substr($field['code'],-5) != 'other' && substr($field['code'],-7) != 'comment')
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{
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$answers[] = array('code'=>1, 'value'=>$clang->gT('Yes'));
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$answers[] = array('code'=>0, 'value'=>$clang->gT('Not Selected'));
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} elseif ($field['LStype'] == "G" && $field['size'] > 0)
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{
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$answers[] = array('code'=>1, 'value'=>$clang->gT('Female'));
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$answers[] = array('code'=>2, 'value'=>$clang->gT('Male'));
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} elseif ($field['LStype'] == "Y" && $field['size'] > 0)
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{
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$answers[] = array('code'=>1, 'value'=>$clang->gT('Yes'));
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$answers[] = array('code'=>2, 'value'=>$clang->gT('No'));
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} elseif ($field['LStype'] == "C" && $field['size'] > 0)
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{
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$answers[] = array('code'=>1, 'value'=>$clang->gT('Yes'));
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$answers[] = array('code'=>2, 'value'=>$clang->gT('No'));
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$answers[] = array('code'=>3, 'value'=>$clang->gT('Uncertain'));
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} elseif ($field['LStype'] == "E" && $field['size'] > 0)
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{
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$answers[] = array('code'=>1, 'value'=>$clang->gT('Increase'));
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$answers[] = array('code'=>2, 'value'=>$clang->gT('Same'));
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$answers[] = array('code'=>3, 'value'=>$clang->gT('Decrease'));
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}
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if (count($answers)>0) {
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//check the max width of the answers
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$size = 0;
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$spsstype = $field['SPSStype'];
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foreach ($answers as $answer) {
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$len = mb_strlen($answer['code']);
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if ($len>$size) $size = $len;
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if ($spsstype=='F' && (my_is_numeric($answer['code'])===false || $size>16)) $spsstype='A';
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}
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$answers['SPSStype'] = $spsstype;
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$answers['size'] = $size;
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return $answers;
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} else {
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return false;
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}
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}
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/**
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* Creates a fieldmap with all information necessary to output the fields
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*
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* @param $prefix string prefix for the variable ID
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* @return array
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*/
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function spss_fieldmap($prefix = 'V') {
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global $surveyid, $dbprefix, $typeMap, $connect, $clang;
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global $surveyprivate, $tokensexist, $language;
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$fieldmap = createFieldMap($surveyid, 'full'); //Create a FULL fieldmap
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#See if tokens are being used
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$tokensexist = tableExists('tokens_'.$surveyid);
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#Lookup the names of the attributes
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$query="SELECT sid, anonymized, language FROM {$dbprefix}surveys WHERE sid=$surveyid";
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$result=db_execute_assoc($query) or safe_die("Couldn't count fields<br />$query<br />".$connect->ErrorMsg()); //Checked
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$num_results = $result->RecordCount();
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$num_fields = $num_results;
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# Build array that has to be returned
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for ($i=0; $i < $num_results; $i++) {
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$row = $result->FetchRow();
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$surveyprivate=$row['anonymized'];
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$language=$row['language'];
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}
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$fieldno=0;
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$fields=array();
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if (isset($tokensexist) && $tokensexist == true && $surveyprivate == 'N') {
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$tokenattributes=GetTokenFieldsAndNames($surveyid,false,false);
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foreach ($tokenattributes as $attributefield=>$attributedescription)
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{
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//Drop the token field, since it is in the survey too
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if($attributefield!='token' && $attributefield!='callattempts' && $attributefield!='onappointment') {
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$fieldno++;
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$fields[] = array('id'=>"$prefix$fieldno",'name'=>mb_substr($attributefield, 0, 8),
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'qid'=>0,'code'=>'','SPSStype'=>'A','LStype'=>'Undef',
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'VariableLabel'=>$attributedescription,'sql_name'=>$attributefield,'size'=>'100',
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'title'=>$attributefield,'hide'=>0, 'scale'=>'');
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}
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}
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}
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//queXS addition - caseid
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$fieldno++;
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$fields[] = array('id'=>"$prefix$fieldno",'name'=>'caseid',
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'qid'=>0,'code'=>'','SPSStype'=>'F','LStype'=>'Undef',
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'VariableLabel'=>'Case ID','sql_name'=>'caseid','size'=>'15',
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'title'=>'caseid','hide'=>0, 'scale'=>'');
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$tempArray = array();
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$fieldnames = array_values($connect->MetaColumnNames("{$dbprefix}survey_$surveyid", true));
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$num_results = count($fieldnames);
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$num_fields = $num_results;
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$diff = 0;
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$noQID = Array('id', 'token', 'datestamp', 'submitdate', 'startdate', 'startlanguage', 'ipaddr', 'refurl', 'lastpage');
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# Build array that has to be returned
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for ($i=0; $i < $num_results; $i++) {
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#Conditions for SPSS fields:
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# - Length may not be longer than 8 characters
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# - Name may not begin with a digit
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$fieldname = $fieldnames[$i];
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$fieldtype = '';
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$ftype='';
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$val_size = 1;
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$hide = 0;
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$export_scale = '';
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$code='';
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$scale_id = null;
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$aQuestionAttribs=array();
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#Determine field type
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if ($fieldname=='submitdate' || $fieldname=='startdate' || $fieldname == 'datestamp') {
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$fieldtype = 'DATETIME23.2';
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} elseif ($fieldname=='startlanguage') {
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$fieldtype = 'A';
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$val_size = 19;
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} elseif ($fieldname=='token') {
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$fieldtype = 'A';
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$val_size = 16;
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} elseif ($fieldname=='id') {
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$fieldtype = 'F';
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$val_size = 7; //Arbitrarilty restrict to 9,999,999 (7 digits) responses/survey
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} elseif ($fieldname == 'ipaddr') {
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$fieldtype = 'A';
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$val_size = 15;
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} elseif ($fieldname == 'refurl') {
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$fieldtype = 'A';
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$val_size = 255;
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} elseif ($fieldname == 'lastpage') {
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$hide = 1;
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}
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#Get qid (question id)
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if (in_array($fieldname, $noQID) || substr($fieldname,0,10)=='attribute_'){
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$qid = 0;
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$varlabel = $fieldname;
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$ftitle = $fieldname;
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} else{
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//GET FIELD DATA
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if (!isset($fieldmap[$fieldname])) {
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//Field in database but no longer in survey... how is this possible?
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//@TODO: think of a fix.
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$fielddata = array();
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$qid=0;
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$varlabel = $fieldname;
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$ftitle = $fieldname;
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$fieldtype = "F";
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$val_size = 1;
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} else {
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$fielddata=$fieldmap[$fieldname];
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$qid=$fielddata['qid'];
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$ftype=$fielddata['type'];
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$fsid=$fielddata['sid'];
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$fgid=$fielddata['gid'];
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$code=mb_substr($fielddata['fieldname'],strlen($fsid."X".$fgid."X".$qid));
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$varlabel=$fielddata['question'];
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if (isset($fielddata['scale'])) $varlabel = "[{$fielddata['scale']}] ". $varlabel;
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if (isset($fielddata['subquestion'])) $varlabel = "[{$fielddata['subquestion']}] ". $varlabel;
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if (isset($fielddata['subquestion2'])) $varlabel = "[{$fielddata['subquestion2']}] ". $varlabel;
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if (isset($fielddata['subquestion1'])) $varlabel = "[{$fielddata['subquestion1']}] ". $varlabel;
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$ftitle=$fielddata['title'];
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if (!is_null($code) && $code<>"" ) $ftitle .= "_$code";
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if (isset($typeMap[$ftype]['size'])) $val_size = $typeMap[$ftype]['size'];
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if (isset($fielddata['scale_id'])) $scale_id = $fielddata['scale_id'];
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if($fieldtype == '') $fieldtype = $typeMap[$ftype]['SPSStype'];
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if (isset($typeMap[$ftype]['hide'])) {
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$hide = $typeMap[$ftype]['hide'];
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$diff++;
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}
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//Get default scale for this type
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if (isset($typeMap[$ftype]['Scale'])) $export_scale = $typeMap[$ftype]['Scale'];
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//But allow override
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$aQuestionAttribs = getQuestionAttributes($qid,$ftype);
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if (isset($aQuestionAttribs['scale_export'])) $export_scale = $aQuestionAttribs['scale_export'];
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}
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}
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$fieldno++;
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$fid = $fieldno - $diff;
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$lsLong = isset($typeMap[$ftype]["name"])?$typeMap[$ftype]["name"]:$ftype;
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$tempArray = array('id'=>"$prefix$fid",'name'=>mb_substr($fieldname, 0, 8),
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'qid'=>$qid,'code'=>$code,'SPSStype'=>$fieldtype,'LStype'=>$ftype,"LSlong"=>$lsLong,
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'ValueLabels'=>'','VariableLabel'=>$varlabel,"sql_name"=>$fieldname,"size"=>$val_size,
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'title'=>$ftitle,'hide'=>$hide,'scale'=>$export_scale, 'scale_id'=>$scale_id);
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//Now check if we have to retrieve value labels
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$answers = spss_getvalues($tempArray, $aQuestionAttribs);
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if (is_array($answers)) {
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//Ok we have answers
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if (isset($answers['size'])) {
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$tempArray['size'] = $answers['size'];
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unset($answers['size']);
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}
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if (isset($answers['SPSStype'])) {
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$tempArray['SPSStype'] = $answers['SPSStype'];
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unset($answers['SPSStype']);
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}
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$tempArray['answers'] = $answers;
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}
|
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$fields[] = $tempArray;
|
|
}
|
|
return $fields;
|
|
}
|
|
|
|
/**
|
|
* Creates a query string with all fields for the export
|
|
*
|
|
* @return string
|
|
*/
|
|
function spss_getquery() {
|
|
global $surveyprivate, $dbprefix, $surveyid, $tokensexist;
|
|
|
|
#See if tokens are being used
|
|
if (isset($tokensexist) && $tokensexist == true && $surveyprivate == 'N') {
|
|
$query="SELECT case1.case_id as caseid, ";
|
|
$tokenattributes=GetTokenFieldsAndNames($surveyid,false,false);
|
|
foreach ($tokenattributes as $attributefield=>$attributedescription) {
|
|
//Drop the token field, since it is in the survey too
|
|
if($attributefield!='token' && $attributefield!='callattempts' && $attributefield!='onappointment') {
|
|
$query .= "{$dbprefix}tokens_$surveyid.$attributefield, ";
|
|
}
|
|
}
|
|
$query .= "{$dbprefix}survey_$surveyid.*
|
|
FROM {$dbprefix}survey_$surveyid
|
|
JOIN `case` as case1 ON ({$dbprefix}survey_$surveyid.token = case1.token)
|
|
LEFT JOIN {$dbprefix}tokens_$surveyid ON {$dbprefix}survey_$surveyid.token = {$dbprefix}tokens_$surveyid.token";
|
|
} else {
|
|
$query = "SELECT *
|
|
FROM {$dbprefix}survey_$surveyid";
|
|
}
|
|
|
|
$qfs = questionnaireSampleFilterstate();
|
|
if ($qfs != false)
|
|
{
|
|
//Limit responses by questionnaire and/or sample
|
|
$query .= " JOIN `case` AS c ON ({$dbprefix}survey_$surveyid.token = c.token AND c.questionnaire_id = '{$qfs[0]}') ";
|
|
if ($qfs[1] != 0) //if a sample is selected
|
|
$query .= " JOIN `sample` AS s ON (s.sample_id = c.sample_id AND s.import_id = '{$qfs[1]}') ";
|
|
}
|
|
|
|
switch (incompleteAnsFilterstate()) {
|
|
case 'inc':
|
|
//Inclomplete answers only
|
|
$query .= ' WHERE submitdate is null ';
|
|
break;
|
|
case 'filter':
|
|
//Inclomplete answers only
|
|
$query .= ' WHERE submitdate is not null ';
|
|
break;
|
|
}
|
|
return $query;
|
|
}
|
|
|
|
/**
|
|
* BuildXMLFromQuery() creates a datadump of a table in XML using XMLWriter
|
|
*
|
|
* @param mixed $xmlwriter The existing XMLWriter object
|
|
* @param mixed $Query The table query to build from
|
|
* @param mixed $tagname If the XML tag of the resulting question should be named differently than the table name set it here
|
|
* @param array $excludes array of columnames not to include in export
|
|
*/
|
|
function BuildXMLFromQuery($xmlwriter, $Query, $tagname='', $excludes = array())
|
|
{
|
|
global $dbprefix, $connect;
|
|
$QueryResult = db_execute_assoc($Query) or safe_die ("ERROR: $QueryResult<br />".$connect->ErrorMsg()); //safe
|
|
preg_match('/FROM (\w+)( |,)/', $Query, $MatchResults);
|
|
if ($tagname!='')
|
|
{
|
|
$TableName=$tagname;
|
|
}
|
|
else
|
|
{
|
|
$TableName = $MatchResults[1];;
|
|
$TableName = substr($TableName, strlen($dbprefix), strlen($TableName));
|
|
}
|
|
if ($QueryResult->RecordCount()>0)
|
|
{
|
|
$exclude = array_flip($excludes); //Flip key/value in array for faster checks
|
|
$xmlwriter->startElement($TableName);
|
|
$xmlwriter->startElement('fields');
|
|
$Columninfo = $QueryResult->fields;
|
|
foreach ($Columninfo as $fieldname=>$value)
|
|
{
|
|
if (!isset($exclude[$fieldname])) $xmlwriter->writeElement('fieldname',$fieldname);
|
|
}
|
|
$xmlwriter->endElement(); // close columns
|
|
$xmlwriter->startElement('rows');
|
|
while ($Row = $QueryResult->FetchRow())
|
|
{
|
|
$xmlwriter->startElement('row');
|
|
foreach ($Row as $Key=>$Value)
|
|
{
|
|
if (!isset($exclude[$Key])) {
|
|
$xmlwriter->startElement($Key);
|
|
// Remove invalid XML characters
|
|
$xmlwriter->writeCData(preg_replace('/[^\x9\xA\xD\x20-\x{D7FF}\x{E000}-\x{FFFD}\x{10000}-\x{10FFFF}]/u','',$Value));
|
|
$xmlwriter->endElement();
|
|
}
|
|
}
|
|
$xmlwriter->endElement(); // close row
|
|
}
|
|
$xmlwriter->endElement(); // close rows
|
|
$xmlwriter->endElement(); // close tablename
|
|
}
|
|
}
|