chamilo / chamilo-lms

main/exercise/MatchingDraggable.php

Spacing +14 added lines, -14 removed lines

@@ -67,12 +67,12 @@ 
                 for ($i = 1; $i <= $answer->nbrAnswers; $i++) {
                     if ($answer->isCorrect($i)) {
                         $nb_matches++;
-                        $defaults['answer[' . $nb_matches . ']'] = $answer->selectAnswer($i);
-                        $defaults['weighting[' . $nb_matches . ']'] = float_format($answer->selectWeighting($i), 1);
-                        $defaults['matches[' . $nb_matches . ']'] = $answer->correct[$i];
+                        $defaults['answer['.$nb_matches.']'] = $answer->selectAnswer($i);
+                        $defaults['weighting['.$nb_matches.']'] = float_format($answer->selectWeighting($i), 1);
+                        $defaults['matches['.$nb_matches.']'] = $answer->correct[$i];
                     } else {
                         $nb_options++;
-                        $defaults['option[' . $nb_options . ']'] = $answer->selectAnswer($i);
+                        $defaults['option['.$nb_options.']'] = $answer->selectAnswer($i);
                     }
                 }
             }
@@ -103,10 +103,10 @@ 
         $html = '<table class="table table-striped table-hover">
             <thead>
                 <tr>
-                    <th width="10">' . get_lang('Number') . '</th>
-                    <th width="85%">' . get_lang('Answer') . '</th>
-                    <th width="15%">' . get_lang('MatchesTo') . '</th>
-                    <th width="10">' . get_lang('Weighting') . '</th>
+                    <th width="10">' . get_lang('Number').'</th>
+                    <th width="85%">' . get_lang('Answer').'</th>
+                    <th width="15%">' . get_lang('MatchesTo').'</th>
+                    <th width="10">' . get_lang('Weighting').'</th>
                 </tr>
             </thead>
             <tbody>';
@@ -154,8 +154,8 @@ 
         $html = '<table class="table table-striped table-hover">
             <thead>
                 <tr>
-                    <th width="15%">' . get_lang('Number') . '</th>
-                    <th width="85%">' . get_lang('Answer') . '</th>
+                    <th width="15%">' . get_lang('Number').'</th>
+                    <th width="85%">' . get_lang('Answer').'</th>
                 </tr>
             </thead>
             <tbody>';
@@ -176,7 +176,7 @@ 
             );
 
             $form->addHtml('<tr>');
-            $form->addHtml('<td>' . chr(64 + $i) . '</td>');
+            $form->addHtml('<td>'.chr(64 + $i).'</td>');
             $form->addText("option[$i]", null);
             $form->addHtml('</tr>');
         }
@@ -258,10 +258,10 @@ 
     public function return_header($feedback_type = null, $counter = null, $score = null)
     {
         $header = parent::return_header($feedback_type, $counter, $score);
-        $header .= '<table class="' . $this->question_table_class . '">
+        $header .= '<table class="'.$this->question_table_class.'">
                 <tr>
-                    <th>' . get_lang('ElementList') . '</th>
-                    <th>' . get_lang('CorrespondsTo') . '</th>
+                    <th>' . get_lang('ElementList').'</th>
+                    <th>' . get_lang('CorrespondsTo').'</th>
                 </tr>';
 
         return $header;

main/exercise/multiple_answer_true_false.class.php

Spacing +30 added lines, -30 removed lines

@@ -44,14 +44,14 @@ 
         $html = '<table class="table table-striped table-hover">';
         $html .= '<thead>';
         $html .= '<tr>';
-        $html .= '<th>' . get_lang('Number') . '</th>';
-        $html .= '<th>' . get_lang('True') . '</th>';
-        $html .= '<th>' . get_lang('False') . '</th>';
-        $html .= '<th>' . get_lang('Answer') . '</th>';
+        $html .= '<th>'.get_lang('Number').'</th>';
+        $html .= '<th>'.get_lang('True').'</th>';
+        $html .= '<th>'.get_lang('False').'</th>';
+        $html .= '<th>'.get_lang('Answer').'</th>';
 
         // show column comment when feedback is enable
         if ($obj_ex->selectFeedbackType() != EXERCISE_FEEDBACK_TYPE_EXAM) {
-            $html .= '<th>' . get_lang('Comment') . '</th>';
+            $html .= '<th>'.get_lang('Comment').'</th>';
         }
 
         $html .= '</tr>';
@@ -89,19 +89,19 @@ 
 
             $renderer->setElementTemplate(
                 '<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
-                'correct[' . $i . ']'
+                'correct['.$i.']'
             );
             $renderer->setElementTemplate(
                 '<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
-                'counter[' . $i . ']'
+                'counter['.$i.']'
             );
             $renderer->setElementTemplate(
                 '<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
-                'answer[' . $i . ']'
+                'answer['.$i.']'
             );
             $renderer->setElementTemplate(
                 '<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
-                'comment[' . $i . ']'
+                'comment['.$i.']'
             );
 
             $answer_number = $form->addElement(
@@ -114,15 +114,15 @@ 
             $answer_number->freeze();
 
             if (is_object($answer)) {
-                $defaults['answer[' . $i . ']'] = $answer->answer[$i];
-                $defaults['comment[' . $i . ']'] = $answer->comment[$i];
+                $defaults['answer['.$i.']'] = $answer->answer[$i];
+                $defaults['comment['.$i.']'] = $answer->comment[$i];
                 $correct = $answer->correct[$i];
-                $defaults['correct[' . $i . ']'] = $correct;
+                $defaults['correct['.$i.']'] = $correct;
 
                 $j = 1;
                 if (!empty($optionData)) {
                     foreach ($optionData as $id => $data) {
-                        $form->addElement('radio', 'correct[' . $i . ']', null, null, $id);
+                        $form->addElement('radio', 'correct['.$i.']', null, null, $id);
                         $j++;
                         if ($j == 3) {
                             break;
@@ -130,15 +130,15 @@ 
                     }
                 }
             } else {
-                $form->addElement('radio', 'correct[' . $i . ']', null, null, 1);
-                $form->addElement('radio', 'correct[' . $i . ']', null, null, 2);
+                $form->addElement('radio', 'correct['.$i.']', null, null, 1);
+                $form->addElement('radio', 'correct['.$i.']', null, null, 2);
 
-                $defaults['answer[' . $i . ']'] = '';
-                $defaults['comment[' . $i . ']'] = '';
-                $defaults['correct[' . $i . ']'] = '';
+                $defaults['answer['.$i.']'] = '';
+                $defaults['comment['.$i.']'] = '';
+                $defaults['correct['.$i.']'] = '';
             }
 
-            $boxes_names[] = 'correct[' . $i . ']';
+            $boxes_names[] = 'correct['.$i.']';
 
             $form->addHtmlEditor(
                 "answer[$i]",
@@ -152,7 +152,7 @@ 
             if ($obj_ex->selectFeedbackType() != EXERCISE_FEEDBACK_TYPE_EXAM) {
                 $form->addElement(
                     'html_editor',
-                    'comment[' . $i . ']',
+                    'comment['.$i.']',
                     null,
                     array(),
                     array(
@@ -170,22 +170,22 @@ 
 
         $correctInputTemplate = '<div class="form-group">';
         $correctInputTemplate .= '<label class="col-sm-2 control-label">';
-        $correctInputTemplate .= '<span class="form_required">*</span>' . get_lang('Score');
+        $correctInputTemplate .= '<span class="form_required">*</span>'.get_lang('Score');
         $correctInputTemplate .= '</label>';
         $correctInputTemplate .= '<div class="col-sm-8">';
         $correctInputTemplate .= '<table>';
         $correctInputTemplate .= '<tr>';
         $correctInputTemplate .= '<td>';
-        $correctInputTemplate .= get_lang('Correct') . '{element}';
+        $correctInputTemplate .= get_lang('Correct').'{element}';
         $correctInputTemplate .= '<!-- BEGIN error --><span class="form_error">{error}</span><!-- END error -->';
         $correctInputTemplate .= '</td>';
 
         $wrongInputTemplate = '<td>';
-        $wrongInputTemplate .= get_lang('Wrong') . '{element}';
+        $wrongInputTemplate .= get_lang('Wrong').'{element}';
         $wrongInputTemplate .= '<!-- BEGIN error --><span class="form_error">{error}</span><!-- END error -->';
         $wrongInputTemplate .= '</td>';
 
-        $doubtScoreInputTemplate = '<td>' . get_lang('DoubtScore') . '<br>{element}';
+        $doubtScoreInputTemplate = '<td>'.get_lang('DoubtScore').'<br>{element}';
         $doubtScoreInputTemplate .= '<!-- BEGIN error --><span class="form_error">{error}</span><!-- END error -->';
         $doubtScoreInputTemplate .= '</td>';
         $doubtScoreInputTemplate .= '</tr>';
@@ -214,7 +214,7 @@ 
 
             if (!empty($scores)) {
                 for ($i = 1; $i <= 3; $i++) {
-                    $defaults['option[' . $i . ']'] = $scores[$i - 1];
+                    $defaults['option['.$i.']'] = $scores[$i - 1];
                 }
             }
         }
@@ -262,7 +262,7 @@ 
                 Question::updateQuestionOption($id, $optionData, $course_id);
             }
         } else {
-            for ($i=1 ; $i <= 3 ; $i++) {
+            for ($i = 1; $i <= 3; $i++) {
                 $last_id = Question::saveQuestionOption(
                     $this->id,
                     $this->options[$i],
@@ -287,9 +287,9 @@ 
         the true, false, doubt options registered in this format
         XX:YY:ZZZ where XX is a float score value.*/
         $extra_values = array();
-        for ($i=1 ; $i <= 3 ; $i++) {
+        for ($i = 1; $i <= 3; $i++) {
             $score = trim($form -> getSubmitValue('option['.$i.']'));
-            $extra_values[]= $score;
+            $extra_values[] = $score;
         }
         $this->setExtra(implode(':', $extra_values));
 
@@ -304,7 +304,7 @@ 
             }
     	    $questionWeighting += $extra_values[0]; //By default 0 has the correct answers
 
-        	$objAnswer->createAnswer($answer, $goodAnswer, $comment,'',$i);
+        	$objAnswer->createAnswer($answer, $goodAnswer, $comment, '', $i);
         }
 
     	// saves the answers into the data base
@@ -324,7 +324,7 @@ 
     function return_header($feedback_type = null, $counter = null, $score = null)
     {
         $header = parent::return_header($feedback_type, $counter, $score);
-  	    $header .= '<table class="'.$this->question_table_class .'">
+  	    $header .= '<table class="'.$this->question_table_class.'">
 		<tr>
 			<th>'.get_lang("Choice").'</th>
 			<th>'. get_lang("ExpectedChoice").'</th>

main/exercise/hotspot_save.inc.php

Spacing +4 added lines, -4 removed lines

@@ -12,7 +12,7 @@ 
 
 $TBL_ANSWER = Database::get_course_table(TABLE_QUIZ_ANSWER);
 $questionId = intval($_GET['questionId']);
-$answerId 	= intval($_GET['answerId']);
+$answerId = intval($_GET['answerId']);
 
 if ($_GET['type'] == "square" || $_GET['type'] == "circle") {
 	$hotspot_type = $_GET['type'];
@@ -20,11 +20,11 @@ 
 }
 if ($_GET['type'] == "poly" || $_GET['type'] == "delineation" || $_GET['type'] == "oar") {
 	$hotspot_type = $_GET['type'];
-	$tmp_coord = explode(",",$_GET['co']);
+	$tmp_coord = explode(",", $_GET['co']);
 	$i = 0;
 	$hotspot_coordinates = "";
 	foreach ($tmp_coord as $coord) {
-		if ($i%2 == 0) {
+		if ($i % 2 == 0) {
 			$delimiter = ";";
 		} else {
 			$delimiter = "|";
@@ -32,7 +32,7 @@ 
 		$hotspot_coordinates .= $coord.$delimiter;
 		$i++;
 	}
-	$hotspot_coordinates = api_substr($hotspot_coordinates,0,-2);
+	$hotspot_coordinates = api_substr($hotspot_coordinates, 0, -2);
 }
 $course_id = api_get_course_int_id();
 $sql = "UPDATE $TBL_ANSWER SET

main/exercise/hotspot_lang_conversion.php

Spacing +9 added lines, -9 removed lines

@@ -13,13 +13,13 @@ 
 
 $hotspot_lang_file = api_get_path(SYS_LANG_PATH);
 
-if(isset($_GET['lang'])) {
+if (isset($_GET['lang'])) {
 	//$search = array('../','\\0','\\');
 	$lang = urldecode($_GET['lang']);
 	if (preg_match('/^[a-zA-Z0-9\._-]+$/', $lang)) {
 		//$lang = str_replace($search,$replace,urldecode($_GET['lang']));
-		if(file_exists($hotspot_lang_file . $lang . '/hotspot.inc.php'))
-			$hotspot_lang_file .= $lang . '/hotspot.inc.php';
+		if (file_exists($hotspot_lang_file.$lang.'/hotspot.inc.php'))
+			$hotspot_lang_file .= $lang.'/hotspot.inc.php';
 		else
 			$hotspot_lang_file .= 'english/hotspot.inc.php';
 	} else {
@@ -33,25 +33,25 @@ 
 
 $temp = array();
 
-foreach($file as $value)
+foreach ($file as $value)
 {
 	$explode = explode('=', $value);
 
-	if(count($explode) > 1)
+	if (count($explode) > 1)
 	{
 		$explode[0] = trim($explode[0]);
-		$explode[0] = '&' . substr($explode[0], 1, strlen($explode[0]));
+		$explode[0] = '&'.substr($explode[0], 1, strlen($explode[0]));
 
 		$explode[1] = trim($explode[1]);
 		$explode[1] = substr($explode[1], 0, strlen($explode[1]) - 1);
 		$explode[1] = str_replace('"', '', $explode[1]);
 
-		$temp[] = $explode[0] . '=' . $explode[1];
+		$temp[] = $explode[0].'='.$explode[1];
 	}
 }
 
-foreach($temp as $value)
+foreach ($temp as $value)
 {
-	echo $value . ' ';
+	echo $value.' ';
 }
 ?>

main/exercise/hotpotatoes.php

Spacing +3 added lines, -3 removed lines

@@ -31,7 +31,7 @@ 
 }
 // The breadcrumbs.
 $interbreadcrumb[] = array(
-    'url' => api_get_path(WEB_CODE_PATH) . '.exercise/exercise.php?' . api_get_cidreq(),
+    'url' => api_get_path(WEB_CODE_PATH).'.exercise/exercise.php?'.api_get_cidreq(),
     'name' => get_lang('Exercises')
 );
 
@@ -153,7 +153,7 @@ 
                 $_course,
                 $_FILES['userFile'],
                 $document_sys_path,
-                $uploadPath . '/' . $fld,
+                $uploadPath.'/'.$fld,
                 api_get_user_id(),
                 null,
                 null,
@@ -165,7 +165,7 @@ 
                     $imgparams = $_POST['imgparams'];
                     $checked = CheckImageName($imgparams, $filename);
                     if ($checked) {
-                        $imgcount = $imgcount-1;
+                        $imgcount = $imgcount - 1;
                     } else {
                         $dialogBox .= $filename.' '.get_lang('NameNotEqual');
                         my_delete($document_sys_path.$uploadPath.'/'.$fld.'/'.$filename);

main/exercise/exercise_report.php

Spacing +3 added lines, -3 removed lines

@@ -248,7 +248,7 @@ 
             Display::addFlash(
                 Display::return_message(get_lang('MessageSent'))
             );
-            header('Location: ' . api_get_self().'?'.api_get_cidreq().'&exerciseId='.$exerciseId);
+            header('Location: '.api_get_self().'?'.api_get_cidreq().'&exerciseId='.$exerciseId);
             exit;
         }
     }
@@ -278,8 +278,8 @@ 
         api_is_course_tutor() || api_is_course_coach()
     ) {
         $actions .= '<a href="admin.php?exerciseId='.intval($_GET['exerciseId']).'">'.Display :: return_icon('back.png', get_lang('GoBackToQuestionList'), '', ICON_SIZE_MEDIUM).'</a>';
-        $actions .='<a href="live_stats.php?'.api_get_cidreq().'&exerciseId='.$exercise_id.'">'.Display :: return_icon('activity_monitor.png', get_lang('LiveResults'), '', ICON_SIZE_MEDIUM).'</a>';
-        $actions .='<a href="stats.php?'.api_get_cidreq().'&exerciseId='.$exercise_id.'">'.Display :: return_icon('statistics.png', get_lang('ReportByQuestion'), '', ICON_SIZE_MEDIUM).'</a>';
+        $actions .= '<a href="live_stats.php?'.api_get_cidreq().'&exerciseId='.$exercise_id.'">'.Display :: return_icon('activity_monitor.png', get_lang('LiveResults'), '', ICON_SIZE_MEDIUM).'</a>';
+        $actions .= '<a href="stats.php?'.api_get_cidreq().'&exerciseId='.$exercise_id.'">'.Display :: return_icon('statistics.png', get_lang('ReportByQuestion'), '', ICON_SIZE_MEDIUM).'</a>';
 
         $actions .= '<a id="export_opener" href="'.api_get_self().'?export_report=1&exerciseId='.intval($_GET['exerciseId']).'" >'.
         Display::return_icon('save.png', get_lang('Export'), '', ICON_SIZE_MEDIUM).'</a>';

main/exercise/Draggable.php

Spacing +13 added lines, -13 removed lines

@@ -63,13 +63,13 @@ 
                 for ($i = 1; $i <= $answer->nbrAnswers; $i++) {
                     if ($answer->isCorrect($i)) {
                         $nb_matches++;
-                        $defaults['answer[' . $nb_matches . ']'] = $answer->selectAnswer($i);
-                        $defaults['weighting[' . $nb_matches . ']'] = float_format($answer->selectWeighting($i), 1);
+                        $defaults['answer['.$nb_matches.']'] = $answer->selectAnswer($i);
+                        $defaults['weighting['.$nb_matches.']'] = float_format($answer->selectWeighting($i), 1);
                         $answerInfo = $answer->getAnswerByAutoId($answer->correct[$i]);
-                        $defaults['matches[' . $nb_matches . ']'] = isset($answerInfo['answer']) ? $answerInfo['answer'] : '';
+                        $defaults['matches['.$nb_matches.']'] = isset($answerInfo['answer']) ? $answerInfo['answer'] : '';
                     } else {
                         $nb_options++;
-                        $defaults['option[' . $nb_options . ']'] = $answer->selectAnswer($i);
+                        $defaults['option['.$nb_options.']'] = $answer->selectAnswer($i);
                     }
                 }
             }
@@ -92,9 +92,9 @@ 
         $html = '<table class="table table-striped table-hover">
             <thead>
                 <tr>
-                    <th width="85%">' . get_lang('Answer') . '</th>
-                    <th width="15%">' . get_lang('MatchesTo') . '</th>
-                    <th width="10">' . get_lang('Weighting') . '</th>
+                    <th width="85%">' . get_lang('Answer').'</th>
+                    <th width="15%">' . get_lang('MatchesTo').'</th>
+                    <th width="10">' . get_lang('Weighting').'</th>
                 </tr>
             </thead>
             <tbody>';
@@ -189,9 +189,9 @@ 
         for ($i = 1; $i <= $nb_matches; ++$i) {
             $position++;
 
-            $answer = $form->getSubmitValue('answer[' . $i . ']');
-            $matches = $form->getSubmitValue('matches[' . $i . ']');
-            $weighting = $form->getSubmitValue('weighting[' . $i . ']');
+            $answer = $form->getSubmitValue('answer['.$i.']');
+            $matches = $form->getSubmitValue('matches['.$i.']');
+            $weighting = $form->getSubmitValue('weighting['.$i.']');
             $this->weighting += $weighting;
             $objAnswer->createAnswer(
                 $answer,
@@ -216,10 +216,10 @@ 
     public function return_header($feedback_type = null, $counter = null, $score = null)
     {
         $header = parent::return_header($feedback_type, $counter, $score);
-        $header .= '<table class="' . $this->question_table_class . '">
+        $header .= '<table class="'.$this->question_table_class.'">
             <tr>
-                <th>' . get_lang('ElementList') . '</th>
-                <th>' . get_lang('Status') . '</th>
+                <th>' . get_lang('ElementList').'</th>
+                <th>' . get_lang('Status').'</th>
             </tr>';
 
         return $header;

main/exercise/qti2.php

Spacing +4 added lines, -4 removed lines

@@ -21,8 +21,8 @@ 
 }
 
 // the breadcrumbs
-$interbreadcrumb[]= array (
-    "url" => api_get_path(WEB_CODE_PATH) . "exercise/exercise.php?".api_get_cidreq(),
+$interbreadcrumb[] = array(
+    "url" => api_get_path(WEB_CODE_PATH)."exercise/exercise.php?".api_get_cidreq(),
     "name" => get_lang('Exercises')
 );
 $is_allowedToEdit = api_is_allowed_to_edit(null, true);
@@ -34,7 +34,7 @@ 
 {
     $name_tools = get_lang('ImportQtiQuiz');
     $form  = '<div class="actions">';
-    $form .= '<a href="' . api_get_path(WEB_CODE_PATH) . 'exercise/exercise.php?show=test&'.api_get_cidreq().'">'.
+    $form .= '<a href="'.api_get_path(WEB_CODE_PATH).'exercise/exercise.php?show=test&'.api_get_cidreq().'">'.
         Display :: return_icon('back.png', get_lang('BackToExercisesList'), '', ICON_SIZE_MEDIUM).'</a>';
     $form .= '</div>';
     $formValidator = new FormValidator(
@@ -84,7 +84,7 @@ 
         $imported = ch_qti2_import_file($_FILES['userFile']);
 
         if (is_numeric($imported) && !empty($imported)) {
-            header('Location: '.api_get_path(WEB_CODE_PATH) . 'exercise/admin.php?'.api_get_cidreq().'&exerciseId='.$imported);
+            header('Location: '.api_get_path(WEB_CODE_PATH).'exercise/admin.php?'.api_get_cidreq().'&exerciseId='.$imported);
             exit;
         } else {
             $message = Display::return_message(get_lang($imported));

main/exercise/unique_answer.class.php

Spacing +54 added lines, -54 removed lines

@@ -59,21 +59,21 @@ 
 
         if ($obj_ex->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_DIRECT) {
             //Scenario
-            $comment_title = '<th width="20%">' . get_lang('Comment') . '</th>';
-            $feedback_title = '<th width="20%">' . get_lang('Scenario') . '</th>';
+            $comment_title = '<th width="20%">'.get_lang('Comment').'</th>';
+            $feedback_title = '<th width="20%">'.get_lang('Scenario').'</th>';
         } else {
-            $comment_title = '<th width="40%">' . get_lang('Comment') . '</th>';
+            $comment_title = '<th width="40%">'.get_lang('Comment').'</th>';
         }
 
         $html = '<table class="table table-striped table-hover">
             <thead>
                 <tr style="text-align: center;">
-                    <th width="5%">' . get_lang('Number') . '</th>
-                    <th width="5%"> ' . get_lang('True') . '</th>
-                    <th width="40%">' . get_lang('Answer') . '</th>
-                        ' . $comment_title . '
-                        ' . $feedback_title . '
-                    <th width="10%">' . get_lang('Weighting') . '</th>
+                    <th width="5%">' . get_lang('Number').'</th>
+                    <th width="5%"> ' . get_lang('True').'</th>
+                    <th width="40%">' . get_lang('Answer').'</th>
+                        ' . $comment_title.'
+                        ' . $feedback_title.'
+                    <th width="10%">' . get_lang('Weighting').'</th>
                 </tr>
             </thead>
             <tbody>';
@@ -103,7 +103,7 @@ 
                     continue;
                 }
                 $question = Question::read($questionid);
-                $select_question[$questionid] = 'Q' . $key . ' :' . cut(
+                $select_question[$questionid] = 'Q'.$key.' :'.cut(
                     $question->selectTitle(), 20
                 );
             }
@@ -134,9 +134,9 @@ 
                 if ($answer->correct[$i]) {
                     $correct = $i;
                 }
-                $defaults['answer[' . $i . ']'] = $answer->answer[$i];
-                $defaults['comment[' . $i . ']'] = $answer->comment[$i];
-                $defaults['weighting[' . $i . ']'] = float_format(
+                $defaults['answer['.$i.']'] = $answer->answer[$i];
+                $defaults['comment['.$i.']'] = $answer->comment[$i];
+                $defaults['weighting['.$i.']'] = float_format(
                     $answer->weighting[$i],
                     1
                 );
@@ -159,18 +159,18 @@ 
                     $url_result = $url;
                 }
 
-                $temp_scenario['url' . $i] = $url_result;
-                $temp_scenario['try' . $i] = $try_result;
-                $temp_scenario['lp' . $i] = $lp;
-                $temp_scenario['destination' . $i] = $list_dest;
+                $temp_scenario['url'.$i] = $url_result;
+                $temp_scenario['try'.$i] = $try_result;
+                $temp_scenario['lp'.$i] = $lp;
+                $temp_scenario['destination'.$i] = $list_dest;
             } else {
                 $defaults['answer[1]'] = get_lang('DefaultUniqueAnswer1');
                 $defaults['weighting[1]'] = 10;
                 $defaults['answer[2]'] = get_lang('DefaultUniqueAnswer2');
                 $defaults['weighting[2]'] = 0;
 
-                $temp_scenario['destination' . $i] = array('0');
-                $temp_scenario['lp' . $i] = array('0');
+                $temp_scenario['destination'.$i] = array('0');
+                $temp_scenario['lp'.$i] = array('0');
             }
             $defaults['scenario'] = $temp_scenario;
 
@@ -182,62 +182,62 @@ 
             );
             $renderer->setElementTemplate(
                 '<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
-                'counter[' . $i . ']'
+                'counter['.$i.']'
             );
             $renderer->setElementTemplate(
                 '<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
-                'answer[' . $i . ']'
+                'answer['.$i.']'
             );
             $renderer->setElementTemplate(
                 '<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
-                'comment[' . $i . ']'
+                'comment['.$i.']'
             );
             $renderer->setElementTemplate(
                 '<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
-                'weighting[' . $i . ']'
+                'weighting['.$i.']'
             );
 
             $answer_number = $form->addElement(
-                'text', 'counter[' . $i . ']', null, ' value = "' . $i . '"'
+                'text', 'counter['.$i.']', null, ' value = "'.$i.'"'
             );
             $answer_number->freeze();
             $form->addElement(
                 'radio', 'correct', null, null, $i, 'class="checkbox"'
             );
 
-            $form->addHtmlEditor('answer[' . $i . ']', null, null, true, $editor_config);
+            $form->addHtmlEditor('answer['.$i.']', null, null, true, $editor_config);
 
             $form->addRule(
-                'answer[' . $i . ']', get_lang('ThisFieldIsRequired'), 'required'
+                'answer['.$i.']', get_lang('ThisFieldIsRequired'), 'required'
             );
 
             if ($obj_ex->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_DIRECT) {
-                $form->addHtmlEditor('comment[' . $i . ']', null, null, false, $editor_config);
+                $form->addHtmlEditor('comment['.$i.']', null, null, false, $editor_config);
                 // Direct feedback
                 //Adding extra feedback fields
                 $group = array();
-                $group['try' . $i] = $form->createElement(
+                $group['try'.$i] = $form->createElement(
                     'checkbox',
-                    'try' . $i,
+                    'try'.$i,
                     null,
                     get_lang('TryAgain')
                 );
-                $group['lp' . $i] = $form->createElement(
+                $group['lp'.$i] = $form->createElement(
                     'select',
-                    'lp' . $i,
-                    get_lang('SeeTheory') . ': ',
+                    'lp'.$i,
+                    get_lang('SeeTheory').': ',
                     $select_lp_id
                 );
-                $group['destination' . $i] = $form->createElement(
+                $group['destination'.$i] = $form->createElement(
                     'select',
-                    'destination' . $i,
-                    get_lang('GoToQuestion') . ': ',
+                    'destination'.$i,
+                    get_lang('GoToQuestion').': ',
                     $select_question
                 );
-                $group['url' . $i] = $form->createElement(
+                $group['url'.$i] = $form->createElement(
                     'text',
-                    'url' . $i,
-                    get_lang('Other') . ': ',
+                    'url'.$i,
+                    get_lang('Other').': ',
                     array(
                         'class' => 'col-md-2',
                         'placeholder' => get_lang('Other')
@@ -250,9 +250,9 @@ 
                     'scenario'
                 );
             } else {
-                $form->addHtmlEditor('comment[' . $i . ']', null, null, false, $editor_config);
+                $form->addHtmlEditor('comment['.$i.']', null, null, false, $editor_config);
             }
-            $form->addText('weighting[' . $i . ']', null, null, array('value' => '0'));
+            $form->addText('weighting['.$i.']', null, null, array('value' => '0'));
             $form->addHtml('</tr>');
         }
 
@@ -306,19 +306,19 @@ 
         $nb_answers = $form->getSubmitValue('nb_answers');
 
         for ($i = 1; $i <= $nb_answers; $i++) {
-            $answer = trim($form->getSubmitValue('answer[' . $i . ']'));
-            $comment = trim($form->getSubmitValue('comment[' . $i . ']'));
-            $weighting = trim($form->getSubmitValue('weighting[' . $i . ']'));
+            $answer = trim($form->getSubmitValue('answer['.$i.']'));
+            $comment = trim($form->getSubmitValue('comment['.$i.']'));
+            $weighting = trim($form->getSubmitValue('weighting['.$i.']'));
 
             $scenario = $form->getSubmitValue('scenario');
 
             //$list_destination = $form -> getSubmitValue('destination'.$i);
             //$destination_str = $form -> getSubmitValue('destination'.$i);
 
-            $try = $scenario['try' . $i];
-            $lp = $scenario['lp' . $i];
-            $destination = $scenario['destination' . $i];
-            $url = trim($scenario['url' . $i]);
+            $try = $scenario['try'.$i];
+            $lp = $scenario['lp'.$i];
+            $destination = $scenario['destination'.$i];
+            $url = trim($scenario['url'.$i]);
 
             /*
             How we are going to parse the destination value
@@ -366,7 +366,7 @@ 
             }
 
             //1@@1;2;@@2;4;4;@@http://www.chamilo.org
-            $dest = $try . '@@' . $lp . '@@' . $destination . '@@' . $url;
+            $dest = $try.'@@'.$lp.'@@'.$destination.'@@'.$url;
             $objAnswer->createAnswer(
                 $answer,
                 $goodAnswer,
@@ -400,12 +400,12 @@ 
         $score = null
     ) {
         $header = parent::return_header($feedback_type, $counter, $score);
-        $header .= '<table class="' . $this->question_table_class . '">
+        $header .= '<table class="'.$this->question_table_class.'">
 			<tr>
-				<th>' . get_lang("Choice") . '</th>
-				<th>' . get_lang("ExpectedChoice") . '</th>
-				<th>' . get_lang("Answer") . '</th>';
-        $header .= '<th>' . get_lang("Comment") . '</th>';
+				<th>' . get_lang("Choice").'</th>
+				<th>' . get_lang("ExpectedChoice").'</th>
+				<th>' . get_lang("Answer").'</th>';
+        $header .= '<th>'.get_lang("Comment").'</th>';
         $header .= '</tr>';
 
         return $header;
@@ -469,7 +469,7 @@ 
         if ($correct) {
             $sql = "UPDATE $tbl_quiz_question
                     SET ponderation = (ponderation + $score)
-                    WHERE c_id = $course_id AND id = " . $question_id;
+                    WHERE c_id = $course_id AND id = ".$question_id;
             Database::query($sql);
         }
     }