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<?php
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class Progress
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{
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var $topic;
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var $progress;
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var $lp_id;
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var $incorrect_answers;
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var $percentArray;
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var $maximum;
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var $passed;
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var $totalresult=array();
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function Progress() {
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$this->progress=array();
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$this->incorrect_answers=array();
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$this->maximum=5;
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$this->topic=0;
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$this->lp_id=0;
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$this->percentArray=array();
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$this->passed=0;
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}
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function setTopic($t_id){
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$this->topic=$t_id;
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}
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function setLp_id($lp_id){
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$this->lp_id=$lp_id;
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}
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function setData($value){
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$this->progress=$value;
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}
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function getProgress(){
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$sql= "SELECT lp_id,date,number,correct,wrong, passed FROM learnprogress WHERE user_id='".mysql_real_escape_string($_SESSION['profile']['id'])."' AND t_id='".mysql_real_escape_string($this->topic)."' AND root ='".mysql_real_escape_string($_SESSION['profile']['root'])."' order by date";
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$query = mysql_query($sql) OR die(mysql_error());
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$i=1;
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while($progress =mysql_fetch_array($query,MYSQL_BOTH )){
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$this->progress[$i]['lp_id']=$progress['lp_id'];
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$this->progress[$i]['date']=$progress['date'];
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$this->progress[$i]['number']=$progress['number']; // in arra speichern
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$this->progress[$i]['correct']=$progress['correct'];
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$this->progress[$i]['wrong']=$progress['wrong'];
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$this->progress[$i]['passed']=$progress['passed'];
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$i++;
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}
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}
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function count() {
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$numberOfTests=count($this->progress);
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return $numberOfTests;
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}
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function showTable() {
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$this->totalresult['count']=0;
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$this->totalresult['passed']=0;
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if(count($this->progress)==0) echo "<div class='h8'>".Global_07."</div>";
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else {
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echo"<br /> <br />";
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echo"<table class='table table_progress'>";
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echo "<tr>";
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echo"<td class='th th_pos'>".Global_10."</td>";
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echo"<td class='th th_pos_date'>".Global_04."</td>";
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echo"<td class='th th_count'>".Class_Progress_01."</td>";
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echo"<td class='th th_count'>".Global_03."</td>";
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echo"<td class='th th_count'>".Statistic_04."</td>";
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echo "<td class='th th_buttons'></td>";
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echo"</tr>";
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for ($i=1;$i<=count($this->progress);$i++){
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if (1==$this->progress[$i]['passed']) {
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$this->totalresult['passed']+=1;
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}
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echo "<tr>";
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echo"<td class='td'>$i</td>";
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echo"<td class='td'>".$this->progress[$i]['date']."</td>";
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echo"<td class='td'>".$this->progress[$i]['number']."</td>";
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if ($this->progress[$i]['number'] > 0) {
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$percent=($this->progress[$i]['correct']/$this->progress[$i]['number'])*100;
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} else {
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$percent = 0;
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}
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$percent=round ($percent,2);
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echo "<td class='td'>$percent %</td>";
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echo "<td class='td'>".$this->getPassedImage($this->progress[$i]['passed'])."</td>";
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echo "<td class='td'> <a href='?site=progress&action=showIncorrectAnswers&lp_id=";
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echo $this->progress[$i]['lp_id']."&t_id=$this->topic'><img src='images/details.png' class='linkimage' alt='' /></a></td>";
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echo "</tr>";
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}
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$this->totalresult['count']=$i-1;
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echo "<tr>";
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echo "<td class='td' colspan='6' align='center'>".Statistic_04.' '.$this->totalresult['passed'].'/'.$this->totalresult['count']."</td>";
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echo "</tr>\n";
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echo"</table>";
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if ($this->totalresult['passed'] > 0) {
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echo "<form class='info' action='index.php?site=start_test&action=requestCert' method='post'>";
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echo "<input type='hidden' name='t_id' value='$this->topic' />";
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echo "<input name='submit' class='Button_middle' type='submit' value='".Class_Quiz_11_RequestCert."' />";
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echo "</form>";
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}
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}
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}
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function checkProgressData(){
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if(count($this->progress)==0) echo "<div class='h8'>".Global_07."</div>";
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else {
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$percentArray=array();
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$limit=count($this->progress);
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if($limit>$this->maximum){
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$k=($limit-$this->maximum)+1;
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$limit=($k+$this->maximum)-1;
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echo '<h5 class="centered">'.Class_Progress_02." ".Class_Progress_03." $this->maximum ".Class_Progress_04.".</h5>";
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} else $k=1;
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$j=0;
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for ($i=$k;$i<=$limit;$i++){
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if ($this->progress[$i]['number'] > 0) {
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$percent=($this->progress[$i]['correct']/$this->progress[$i]['number'])*100;
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} else {
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$percent=0;
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}
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$this->percentArray[$j][]=$this->progress[$i]['date'];
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$this->percentArray[$j][]=$percent;
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$j++;
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}
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}
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}
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function showBalken(){
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$this->checkProgressData();
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$this->percentArray= serialize($this->percentArray);
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$this->percentArray=base64_encode ($this->percentArray);
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$titley=Global_15;
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$titlex=Global_04;
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echo " <div id=\"learnprogress\">\n";
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echo "<img src='includes/graph_bib/bar.php?data=$this->percentArray&learnpath=true&titley=$titley&titlex=$titlex' alt='' />";
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echo "</div>\n";
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}
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function showGraph(){
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$this->checkProgressData();
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$this->percentArray= serialize($this->percentArray);
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$this->percentArray=base64_encode ($this->percentArray);
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$titley=Global_15;
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$titlex=Global_04;
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echo " <div id=\"learnprogress\">\n";
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echo "<img src='includes/graph_bib/curve.php?percentArray=$this->percentArray&learnpath=true&titley=$titley&titlex=$titlex' alt='' />";
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echo "</div>\n";
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}
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function showPie(){
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echo " <div id=\"learnprogress\">\n";
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echo "<img src='includes/graph_bib/pie.php' alt='' />";
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echo "</div>\n";
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}
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function getIncorrectAnswers()
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{
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$sql="SELECT q_id FROM answers_incorrect WHERE lp_id=".intval($this->lp_id)."";
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$query = mysql_query($sql);
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$i=1;
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while($incorrect_answers =mysql_fetch_array($query,MYSQL_BOTH ))
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{
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$this->incorrect_answers[$i]['q_id']=$incorrect_answers['q_id'];
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$i++;
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}
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$this->showIncorrectAnswers();
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}
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function showIncorrectAnswers(){
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echo "<form action='?site=progress&action=showTable&t_id=$this->topic' method='post'>";
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echo "<fieldset >";
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echo " <legend class='table_show_incorrect'>".Class_Progress_08." </legend> ";
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echo "<table class='table_show_incorrect'>";
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for ($i=1;$i<=count($this->incorrect_answers);$i++){
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echo"<tr>";
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echo "<td class='nr_incorrect' valign='top'> $i.) </td>";
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$sql="SELECT question,qt_id FROM questions WHERE q_id=".intval($this->incorrect_answers[$i]['q_id'])."";
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$query = mysql_query($sql);
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while($question =mysql_fetch_array($query,MYSQL_BOTH )) {
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if( $question['qt_id']==4){
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$questionText=$this->getFIBQuestion( $question['question']);
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echo"<td class='question_incorrect' valign='top'>".$questionText."</td>";
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} else {
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echo "<td class='question_incorrect' valign='top'>". $question['question']."</td>";
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}
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}
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echo"</tr>";
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}
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if($this->progress [$this->lp_id]['wrong']>count($this->incorrect_answers)) {
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$number=$this->progress [$this->lp_id]['wrong']-count($this->incorrect_answers);
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echo"<tr>";
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echo "<td class='nr_incorrect' valign='top'> </td>";
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echo"<td class='question_incorrect' valign='top' >".Class_Progress_06." $number ".Class_Progress_07."</td>";
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echo"</tr>";
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}
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echo"<tr>";
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echo "<td class='nr_incorrect'> </td>";
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echo"<td class='Button_row' > <input name='submit' class='Button_rightColumn' type='submit' value='".Global_02."'/></td> ";
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echo"</tr>";
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echo"</table>";
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echo "</fieldset>";
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echo "</form>";
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}
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function getFIBQuestion($question){
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$addSlashes= preg_quote( $question, '[^]'); // Slash hinzuf<75>gen wenn KLammer gefunden wird
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$array=explode('\\',$addSlashes); // String teilen
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$questionText= $question;
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if(substr_count($question,"[")==substr_count($question,"]")) { // gleiche anzahl von Klammer auf und zu
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for($i=1;$i<=substr_count($question,"[");$i++){ // Wird solange durchlaufne wie Klammern vorhanden sind
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$beginPos = strpos($questionText, "["); // Anfangspunkt festlegen
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$endPos=strpos($questionText, "]"); // Endpunkt festlegen
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$length=(($endPos+1)-$beginPos) ; // L<>nge der Strings ermitteln
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$answer=substr ($questionText,$beginPos,$length );// den String zwischen den Klammern suchen
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$questionText=str_replace($answer,'(xxx)', $questionText); // gespeicherten Wert aus string l<>schen
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$answer=str_replace("]",'', $answer); // Klammer entfernen
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$key = array_search($answer, $array);
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$answer=str_replace("[",'', $answer); // Klammer entfernen
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}
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}
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return $questionText;
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}
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function getPassedImage($passed){
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// returns the image depending on the status of a test result
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$img="<img src='images/details.png' alt='' />";
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if (0==$passed) {
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$img="<img src='images/wrong.png' alt='' />";
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}
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if (1==$passed) {
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$img="<img src='images/correct.png' alt='' />";
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}
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return $img;
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}
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}
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?>
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