chamilo / chamilo-lms

main/tracking/courseLog.php

Spacing +14 added lines, -14 removed lines

@@ -112,7 +112,7 @@ 
                             get_lang('HideColumn'),
                             array('align' => 'absmiddle', 'hspace' => '3px'),
                             ICON_SIZE_SMALL
-                         ) . "</div>'
+                         )."</div>'
                     );
                 }
             );
@@ -147,7 +147,7 @@ 
 $TABLETRACK_LINKS       = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LINKS);
 $TABLETRACK_DOWNLOADS   = Database::get_main_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
 $TABLETRACK_ACCESS_2    = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ACCESS);
-$TABLETRACK_EXERCISES 	= Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
+$TABLETRACK_EXERCISES = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
 $TABLECOURSUSER = Database::get_main_table(TABLE_MAIN_COURSE_USER);
 $TABLECOURSE = Database::get_main_table(TABLE_MAIN_COURSE);
 $table_user = Database::get_main_table(TABLE_MAIN_USER);
@@ -157,8 +157,8 @@ 
 
 // Breadcrumbs.
 if (isset($_GET['origin']) && $_GET['origin'] == 'resume_session') {
-    $interbreadcrumb[] = array('url' => '../admin/index.php','name' => get_lang('PlatformAdmin'));
-    $interbreadcrumb[] = array('url' => '../session/session_list.php','name' => get_lang('SessionList'));
+    $interbreadcrumb[] = array('url' => '../admin/index.php', 'name' => get_lang('PlatformAdmin'));
+    $interbreadcrumb[] = array('url' => '../session/session_list.php', 'name' => get_lang('SessionList'));
     $interbreadcrumb[] = array('url' => '../session/resume_session.php?id_session='.$sessionId, 'name' => get_lang('SessionOverview'));
 }
 
@@ -229,21 +229,21 @@ 
 if (!empty($sessionId)) {
     $actionsLeft .= Display::url(
         Display::return_icon('attendance_list.png', get_lang('Logins'), '', ICON_SIZE_MEDIUM),
-        api_get_path(WEB_CODE_PATH) . 'attendance/index.php?' . api_get_cidreq() . '&action=calendar_logins'
+        api_get_path(WEB_CODE_PATH).'attendance/index.php?'.api_get_cidreq().'&action=calendar_logins'
     );
 }
 
 $actionsRight = '<div class="pull-right">';
 $actionsRight .= '<a href="javascript: void(0);" onclick="javascript: window.print();">'.
-    Display::return_icon('printer.png', get_lang('Print'),'',ICON_SIZE_MEDIUM).'</a>';
+    Display::return_icon('printer.png', get_lang('Print'), '', ICON_SIZE_MEDIUM).'</a>';
 
 $addional_param = '';
 if (isset($_GET['additional_profile_field'])) {
-    $addional_param ='additional_profile_field='.intval($_GET['additional_profile_field']);
+    $addional_param = 'additional_profile_field='.intval($_GET['additional_profile_field']);
 }
 $users_tracking_per_page = '';
 if (isset($_GET['users_tracking_per_page'])) {
-    $users_tracking_per_page= '&users_tracking_per_page='.intval($_GET['users_tracking_per_page']);
+    $users_tracking_per_page = '&users_tracking_per_page='.intval($_GET['users_tracking_per_page']);
 }
 $actionsRight .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&export=csv&'.$addional_param.$users_tracking_per_page.'">
      '.Display::return_icon('export_csv.png', get_lang('ExportAsCSV'), '', ICON_SIZE_MEDIUM).'</a>';
@@ -264,13 +264,13 @@ 
 $form_search->addButtonSearch(get_lang('SearchUsers'));
 
 
-echo Display::toolbarAction('toolbar-courselog', array( 0 => $actionsLeft, 1 => $form_search->returnForm(), 2 => $actionsRight ), 3);
+echo Display::toolbarAction('toolbar-courselog', array(0 => $actionsLeft, 1 => $form_search->returnForm(), 2 => $actionsRight), 3);
 
 $course_name = get_lang('Course').' '.$courseInfo['name'];
 
 if ($session_id) {
     $titleSession = Display::return_icon('session.png', get_lang('Session'), array(), ICON_SIZE_SMALL).' '.api_get_session_name($session_id);
-    $titleCourse =  Display::return_icon('course.png', get_lang('Course'), array(), ICON_SIZE_SMALL).' '.$course_name;
+    $titleCourse = Display::return_icon('course.png', get_lang('Course'), array(), ICON_SIZE_SMALL).' '.$course_name;
 
 } else {
     $titleSession = Display::return_icon('course.png', get_lang('Course'), array(), ICON_SIZE_SMALL).' '.$courseInfo['name'];
@@ -312,7 +312,7 @@ 
     $html .= '<ul class="session-list">';
     foreach ($sessionList as $session) {
         $url = api_get_path(WEB_CODE_PATH).'mySpace/course.php?session_id='.$session['id'].'&cidReq='.$courseInfo['code'];
-        $html .= Display::tag('li', $iconCourse . ' ' . Display::url($session['name'], $url));
+        $html .= Display::tag('li', $iconCourse.' '.Display::url($session['name'], $url));
     }
     $html .= '</ul>';
 }
@@ -327,12 +327,12 @@ 
     $form = new FormValidator(
         'reminder_form',
         'get',
-        api_get_path(WEB_CODE_PATH).'announcements/announcements.php?' . api_get_cidreq(),
+        api_get_path(WEB_CODE_PATH).'announcements/announcements.php?'.api_get_cidreq(),
         null,
         ['style' => 'margin-bottom: 10px'],
         FormValidator::LAYOUT_INLINE
     );
-    $options = array (
+    $options = array(
         2 => sprintf($getLangXDays, 2),
         3 => sprintf($getLangXDays, 3),
         4 => sprintf($getLangXDays, 4),
@@ -345,7 +345,7 @@ 
     );
     $el = $form->addSelect(
         'since',
-        Display::returnFontAwesomeIcon('warning') . get_lang('RemindInactivesLearnersSince'),
+        Display::returnFontAwesomeIcon('warning').get_lang('RemindInactivesLearnersSince'),
         $options,
         ['class' => 'col-sm-3']
     );

main/inc/lib/exercise.lib.php

Spacing +115 added lines, -115 removed lines

@@ -65,7 +65,7 @@ 
                 if ($show_title) {
                     TestCategory::displayCategoryAndTitle($objQuestionTmp->id);
                     echo Display::div(
-                        $current_item . '. ' . $objQuestionTmp->selectTitle(),
+                        $current_item.'. '.$objQuestionTmp->selectTitle(),
                         array('class' => 'question_title')
                     );
                 }
@@ -161,8 +161,8 @@ 
                 $config = array(
                     'ToolbarSet' => 'TestFreeAnswer'
                 );
-                $form->addHtmlEditor("choice[" . $questionId . "]", null, false, false, $config);
-                $form->setDefaults(array("choice[" . $questionId . "]" => $fck_content));
+                $form->addHtmlEditor("choice[".$questionId."]", null, false, false, $config);
+                $form->setDefaults(array("choice[".$questionId."]" => $fck_content));
                 $s .= $form->returnForm();
             } elseif ($answerType == ORAL_EXPRESSION) {
                 // Add nanog
@@ -191,7 +191,7 @@ 
                 $config = array(
                     'ToolbarSet' => 'TestFreeAnswer'
                 );
-                $form->addHtmlEditor("choice[" . $questionId . "]", null, false, false, $config);
+                $form->addHtmlEditor("choice[".$questionId."]", null, false, false, $config);
                 //$form->setDefaults(array("choice[" . $questionId . "]" => $fck_content));
                 $s .= $form->returnForm();
             }
@@ -272,7 +272,7 @@ 
 
                 // Unique answer
                 if (in_array($answerType, [UNIQUE_ANSWER, UNIQUE_ANSWER_NO_OPTION, UNIQUE_ANSWER_IMAGE])) {
-                    $input_id = 'choice-' . $questionId . '-' . $answerId;
+                    $input_id = 'choice-'.$questionId.'-'.$answerId;
                     if (isset($user_choice[0]['answer']) && $user_choice[0]['answer'] == $numAnswer) {
                         $attributes = array(
                             'id' => $input_id,
@@ -297,14 +297,14 @@ 
                     if ($answerType == UNIQUE_ANSWER_IMAGE) {
                         if ($show_comment) {
                             if (empty($comment)) {
-                                $s .= '<div id="answer' . $questionId . $numAnswer . '" '
+                                $s .= '<div id="answer'.$questionId.$numAnswer.'" '
                                     . 'class="exercise-unique-answer-image" style="text-align: center">';
                             } else {
-                                $s .= '<div id="answer' . $questionId . $numAnswer . '" '
+                                $s .= '<div id="answer'.$questionId.$numAnswer.'" '
                                     . 'class="exercise-unique-answer-image col-xs-6 col-sm-12" style="text-align: center">';
                             }
                         } else {
-                            $s .= '<div id="answer' . $questionId . $numAnswer . '" '
+                            $s .= '<div id="answer'.$questionId.$numAnswer.'" '
                                 . 'class="exercise-unique-answer-image col-xs-6 col-md-3" style="text-align: center">';
                         }
                     }
@@ -312,7 +312,7 @@ 
                     $answer = Security::remove_XSS($answer, STUDENT);
                     $s .= Display::input(
                         'hidden',
-                        'choice2[' . $questionId . ']',
+                        'choice2['.$questionId.']',
                         '0'
                     );
 
@@ -320,13 +320,13 @@ 
 
                     if ($answerType == UNIQUE_ANSWER_IMAGE) {
                         $attributes['style'] = 'display: none;';
-                        $answer = '<div class="thumbnail">' . $answer . '</div>';
+                        $answer = '<div class="thumbnail">'.$answer.'</div>';
                     }
 
                     $answer_input .= '<label class="radio">';
                     $answer_input .= Display::input(
                         'radio',
-                        'choice[' . $questionId . ']',
+                        'choice['.$questionId.']',
                         $numAnswer,
                         $attributes
                     );
@@ -353,7 +353,7 @@ 
                     $answerType == MULTIPLE_ANSWER_TRUE_FALSE ||
                     $answerType == GLOBAL_MULTIPLE_ANSWER
                 ) {
-                    $input_id = 'choice-' . $questionId . '-' . $answerId;
+                    $input_id = 'choice-'.$questionId.'-'.$answerId;
                     $answer = Security::remove_XSS($answer, STUDENT);
 
                     if (in_array($numAnswer, $user_choice_array)) {
@@ -374,12 +374,12 @@ 
                     }
 
                     if ($answerType == MULTIPLE_ANSWER || $answerType == GLOBAL_MULTIPLE_ANSWER) {
-                        $s .= '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
+                        $s .= '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
 
                         $answer_input = '<label class="checkbox">';
                         $answer_input .= Display::input(
                             'checkbox',
-                            'choice[' . $questionId . '][' . $numAnswer . ']',
+                            'choice['.$questionId.']['.$numAnswer.']',
                             $numAnswer,
                             $attributes
                         );
@@ -432,7 +432,7 @@ 
                                     'td',
                                     Display::input(
                                         'radio',
-                                        'choice[' . $questionId . '][' . $numAnswer . ']',
+                                        'choice['.$questionId.']['.$numAnswer.']',
                                         $id,
                                         $attributes
                                     ),
@@ -450,7 +450,7 @@ 
                     }
                 } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION) {
                     // multiple answers
-                    $input_id = 'choice-' . $questionId . '-' . $answerId;
+                    $input_id = 'choice-'.$questionId.'-'.$answerId;
 
                     if (in_array($numAnswer, $user_choice_array)) {
                         $attributes = array(
@@ -470,11 +470,11 @@ 
                     }
 
                     $answer = Security::remove_XSS($answer, STUDENT);
-                    $answer_input = '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
+                    $answer_input = '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
                     $answer_input .= '<label class="checkbox">';
                     $answer_input .= Display::input(
                         'checkbox',
-                        'choice[' . $questionId . '][' . $numAnswer . ']',
+                        'choice['.$questionId.']['.$numAnswer.']',
                         1,
                         $attributes
                     );
@@ -495,7 +495,7 @@ 
                     }
 
                 } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
-                    $s .= '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
+                    $s .= '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
 
                     $my_choice = array();
                     if (!empty($user_choice_array)) {
@@ -530,7 +530,7 @@ 
                             'td',
                             Display::input(
                                 'radio',
-                                'choice[' . $questionId . '][' . $numAnswer . ']',
+                                'choice['.$questionId.']['.$numAnswer.']',
                                 $key,
                                 $attributes
                             )
@@ -626,8 +626,8 @@ 
                         $trackAttempts = Database::get_main_table(
                             TABLE_STATISTIC_TRACK_E_ATTEMPT
                         );
-                        $sql = 'SELECT answer FROM ' . $trackAttempts . '
-                                WHERE exe_id=' . $exe_id . ' AND question_id=' . $questionId;
+                        $sql = 'SELECT answer FROM '.$trackAttempts.'
+                                WHERE exe_id=' . $exe_id.' AND question_id='.$questionId;
                         $rsLastAttempt = Database::query($sql);
                         $rowLastAttempt = Database::fetch_array($rsLastAttempt);
                         $answer = $rowLastAttempt['answer'];
@@ -682,7 +682,7 @@ 
                                 '',
                                 $answerCorrected
                             );
-                            $answerCorrected = '[' . $answerCorrected . ']';
+                            $answerCorrected = '['.$answerCorrected.']';
                             $studentAnswerList[] = $answerCorrected;
                         }
                     }
@@ -701,7 +701,7 @@ 
                     */
                     $tabComments = api_preg_split(
                         '/\[[^]]+\]/',
-                        ' ' . $answer . ' '
+                        ' '.$answer.' '
                     );
                     if (!empty($correctAnswerList) && !empty($studentAnswerList)) {
                         $answer = "";
@@ -718,7 +718,7 @@ 
                                 $size
                             );
 
-                            $answer .= $tabComments[$i] .
+                            $answer .= $tabComments[$i].
                                 Display::input(
                                     'text',
                                     "choice[$questionId][]",
@@ -764,12 +764,12 @@ 
                         $s .= '<tr><td width="45%" valign="top">';
                         $parsed_answer = $answer;
                         //left part questions
-                        $s .= '<p class="indent">' . $lines_count . '.&nbsp;' . $parsed_answer . '</p></td>';
+                        $s .= '<p class="indent">'.$lines_count.'.&nbsp;'.$parsed_answer.'</p></td>';
                         //middle part (matches selects)
 
                         $s .= '<td width="10%" valign="top" align="center" >
                                 <div class="select-matching">
-                                <select name="choice[' . $questionId . '][' . $numAnswer . ']">';
+                                <select name="choice[' . $questionId.']['.$numAnswer.']">';
 
                         // fills the list-box
                         foreach ($select_items as $key => $val) {
@@ -785,14 +785,14 @@ 
                             if (isset($user_choice_array_position[$numAnswer]) && $val['id'] == $user_choice_array_position[$numAnswer]) {
                                 $selected = 'selected="selected"';
                             }
-                            $s .= '<option value="' . $val['id'] . '" ' . $selected . '>' . $val['letter'] . '</option>';
+                            $s .= '<option value="'.$val['id'].'" '.$selected.'>'.$val['letter'].'</option>';
 
                         }  // end foreach()
 
                         $s .= '</select></div></td><td width="5%" class="separate">&nbsp;</td>';
                         $s .= '<td width="40%" valign="top" >';
                         if (isset($select_items[$lines_count])) {
-                            $s .= '<div class="text-right"><p class="indent">' . $select_items[$lines_count]['letter'].'.&nbsp; '. $select_items[$lines_count]['answer'].'</p></div>';
+                            $s .= '<div class="text-right"><p class="indent">'.$select_items[$lines_count]['letter'].'.&nbsp; '.$select_items[$lines_count]['answer'].'</p></div>';
                         } else {
                             $s .= '&nbsp;';
                         }
@@ -807,7 +807,7 @@ 
                                 $s .= '<tr>
                                       <td colspan="2"></td>
                                       <td valign="top">';
-                                $s .= '<b>' . $select_items[$lines_count]['letter'] . '.</b> ' . $select_items[$lines_count]['answer'];
+                                $s .= '<b>'.$select_items[$lines_count]['letter'].'.</b> '.$select_items[$lines_count]['answer'];
                                 $s .= "</td>
                                 </tr>";
                                 $lines_count++;
@@ -823,9 +823,9 @@ 
                         $data = $objAnswerTmp->getAnswerByAutoId($data['correct']);
                         $lines_count = $data['answer'];*/
 
-                        $windowId = $questionId . '_' . $lines_count;
+                        $windowId = $questionId.'_'.$lines_count;
 
-                        $s .= '<li class="touch-items" id="' . $windowId . '">';
+                        $s .= '<li class="touch-items" id="'.$windowId.'">';
                         $s .= Display::div(
                             $parsed_answer,
                             [
@@ -883,7 +883,7 @@ 
                                 Display::tag(
                                     'b',
                                     $select_items[$lines_count]['letter']
-                                ) . $select_items[$lines_count]['answer'],
+                                ).$select_items[$lines_count]['answer'],
                                 [
                                     'id' => "window_{$windowId}_answer",
                                     'style' => 'display: none;'
@@ -1027,7 +1027,7 @@ 
 
             if ($show_comment) {
                 $s .= '</table>';
-            } elseif(
+            } elseif (
                 in_array(
                     $answerType,
                     [
@@ -1052,7 +1052,7 @@ 
 
                 for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
                     $answerCorrect = $objAnswerTmp->isCorrect($answerId);
-                    $windowId = $questionId . '_' . $counterAnswer;
+                    $windowId = $questionId.'_'.$counterAnswer;
 
                     if ($answerCorrect) {
                         $s .= Display::div(
@@ -1097,7 +1097,7 @@ 
                 $course = api_get_course_info();
                 $doc_id = DocumentManager::get_document_id(
                     $course,
-                    '/images/' . $pictureName
+                    '/images/'.$pictureName
                 );
                 if (is_numeric($doc_id)) {
                     $images_folder_visibility = api_get_item_visibility(
@@ -1122,7 +1122,7 @@ 
                 echo "
                     <script>
                         $(document).on('ready', function () {
-                            new " . ($answerType == HOT_SPOT ?  "HotspotQuestion" : "DelineationQuestion" ) . "({
+                            new " . ($answerType == HOT_SPOT ? "HotspotQuestion" : "DelineationQuestion")."({
                                 questionId: $questionId,
                                 exerciseId: $exerciseId,
                                 selector: '#hotspot-preview-$questionId',
@@ -1156,7 +1156,7 @@ 
             if ($answerType != HOT_SPOT_DELINEATION) {
                 $answerList = '
                     <div class="well well-sm">
-                        <h5 class="page-header">' . get_lang('HotspotZones') . '</h5>
+                        <h5 class="page-header">' . get_lang('HotspotZones').'</h5>
                         <ol>
                 ';
 
@@ -1181,7 +1181,7 @@ 
             if (!$only_questions) {
                 if ($show_title) {
                     TestCategory::displayCategoryAndTitle($objQuestionTmp->id);
-                    echo '<div class="question_title">' . $current_item . '. ' . $questionName . '</div>';
+                    echo '<div class="question_title">'.$current_item.'. '.$questionName.'</div>';
                 }
                 //@todo I need to the get the feedback type
                 echo <<<HOTSPOT
@@ -1199,7 +1199,7 @@ 
                                 <div class=\"hotspot-image\"></div>
                                 <script>
                                     $(document).on('ready', function () {
-                                        new " . ($answerType == HOT_SPOT_DELINEATION ? 'DelineationQuestion' : 'HotspotQuestion') . "({
+                                        new " . ($answerType == HOT_SPOT_DELINEATION ? 'DelineationQuestion' : 'HotspotQuestion')."({
                                             questionId: $questionId,
                                             exerciseId: $exe_id,
                                             selector: '#question_div_' + $questionId + ' .hotspot-image',
@@ -1318,11 +1318,11 @@ 
         $lp_id = intval($lp_id);
         $lp_item_id = intval($lp_item_id);
         return
-            api_get_course_int_id() . '_' .
-            api_get_session_id() . '_' .
-            $exercise_id . '_' .
-            api_get_user_id() . '_' .
-            $lp_id . '_' .
+            api_get_course_int_id().'_'.
+            api_get_session_id().'_'.
+            $exercise_id.'_'.
+            api_get_user_id().'_'.
+            $lp_id.'_'.
             $lp_item_id;
     }
 
@@ -1434,14 +1434,14 @@ 
         $res = Database::query($sql);
         $result = array();
         $apiIsAllowedToEdit = api_is_allowed_to_edit();
-        $urlBase = api_get_path(WEB_CODE_PATH) .
-            'exercice/hotpotatoes_exercise_report.php?action=delete&' .
-            api_get_cidreq() . '&id=';
+        $urlBase = api_get_path(WEB_CODE_PATH).
+            'exercice/hotpotatoes_exercise_report.php?action=delete&'.
+            api_get_cidreq().'&id=';
         while ($data = Database::fetch_array($res)) {
             $actions = null;
 
             if ($apiIsAllowedToEdit) {
-                $url = $urlBase . $data['id'] . '&path=' . $data['exe_name'];
+                $url = $urlBase.$data['id'].'&path='.$data['exe_name'];
                 $actions = Display::url(
                     Display::return_icon('delete.png', get_lang('Delete')),
                     $url
@@ -1457,7 +1457,7 @@ 
                     GroupManager::get_user_group_name($data['user_id'])
                 ),
                 'exe_date' => $data['exe_date'],
-                'score' => $data['exe_result'] . ' / ' . $data['exe_weighting'],
+                'score' => $data['exe_result'].' / '.$data['exe_weighting'],
                 'actions' => $actions,
             );
         }
@@ -1540,18 +1540,18 @@ 
         $TBL_TRACK_HOTPOTATOES = Database:: get_main_table(TABLE_STATISTIC_TRACK_E_HOTPOTATOES);
         $TBL_TRACK_ATTEMPT_RECORDING = Database:: get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT_RECORDING);
 
-        $session_id_and = ' AND te.session_id = ' . $sessionId . ' ';
+        $session_id_and = ' AND te.session_id = '.$sessionId.' ';
         $exercise_id = intval($exercise_id);
 
         $exercise_where = '';
         if (!empty($exercise_id)) {
-            $exercise_where .= ' AND te.exe_exo_id = ' . $exercise_id . '  ';
+            $exercise_where .= ' AND te.exe_exo_id = '.$exercise_id.'  ';
         }
 
         $hotpotatoe_where = '';
         if (!empty($_GET['path'])) {
             $hotpotatoe_path = Database::escape_string($_GET['path']);
-            $hotpotatoe_where .= ' AND exe_name = "' . $hotpotatoe_path . '"  ';
+            $hotpotatoe_where .= ' AND exe_name = "'.$hotpotatoe_path.'"  ';
         }
 
         // sql for chamilo-type tests for teacher / tutor view
@@ -1563,7 +1563,7 @@ 
             WHERE
                 c_id = $course_id AND
                 exe_exo_id = $exercise_id AND
-                ttte.session_id = " . $sessionId . "
+                ttte.session_id = ".$sessionId."
         )";
 
         if ($is_allowedToEdit) {
@@ -1586,9 +1586,9 @@ 
                         g.id as group_id
                     FROM $TBL_USER u
                     INNER JOIN $TBL_GROUP_REL_USER gru
-                    ON (gru.user_id = u.user_id AND gru.c_id=" . $course_id . ")
+                    ON (gru.user_id = u.user_id AND gru.c_id=".$course_id.")
                     INNER JOIN $TBL_GROUP g
-                    ON (gru.group_id = g.id AND g.c_id=" . $course_id . ")
+                    ON (gru.group_id = g.id AND g.c_id=".$course_id.")
                 )";
             }
 
@@ -1650,9 +1650,9 @@ 
                     g.id as group_id
                 FROM $TBL_USER u
                 LEFT OUTER JOIN $TBL_GROUP_REL_USER gru
-                ON ( gru.user_id = u.user_id AND gru.c_id=" . $course_id . " )
+                ON ( gru.user_id = u.user_id AND gru.c_id=".$course_id." )
                 LEFT OUTER JOIN $TBL_GROUP g
-                ON (gru.group_id = g.id AND g.c_id = " . $course_id . ")
+                ON (gru.group_id = g.id AND g.c_id = ".$course_id.")
             )";
             }
 
@@ -1665,12 +1665,12 @@ 
             (
                 SELECT u.user_id, firstname, lastname, email, username, ' ' as group_name, '' as group_id, official_code
                 FROM $TBL_USER u
-                WHERE u.status NOT IN(" . api_get_users_status_ignored_in_reports('string') . ")
+                WHERE u.status NOT IN(".api_get_users_status_ignored_in_reports('string').")
             )";
             }
 
             $sqlFromOption = " , $TBL_GROUP_REL_USER AS gru ";
-            $sqlWhereOption = "  AND gru.c_id = " . $course_id ." AND gru.user_id = user.user_id ";
+            $sqlWhereOption = "  AND gru.c_id = ".$course_id." AND gru.user_id = user.user_id ";
             $first_and_last_name = api_is_western_name_order() ? "firstname, lastname" : "lastname, firstname";
 
             if ($get_count) {
@@ -1707,8 +1707,8 @@ 
                 ON (user.user_id = exe_user_id)
                 WHERE
                     te.status != 'incomplete' AND
-                    te.c_id = " . $course_id . " $session_id_and AND
-                    ce.active <>-1 AND ce.c_id = " . $course_id . "
+                    te.c_id = ".$course_id." $session_id_and AND
+                    ce.active <>-1 AND ce.c_id = ".$course_id."
                     $exercise_where
                     $extra_where_conditions
                 ";
@@ -1735,12 +1735,12 @@ 
                     $sqlFromOption
                 WHERE
                     user.user_id=tth.exe_user_id
-                    AND tth.c_id = " . $course_id . "
+                    AND tth.c_id = ".$course_id."
                     $hotpotatoe_where
                     $sqlWhereOption
-                    AND user.status NOT IN(" . api_get_users_status_ignored_in_reports(
+                    AND user.status NOT IN(".api_get_users_status_ignored_in_reports(
                     'string'
-                ) . ")
+                ).")
                 ORDER BY
                     tth.c_id ASC,
                     tth.exe_date DESC";
@@ -1813,12 +1813,12 @@ 
 
                     if ($from_gradebook && ($is_allowedToEdit)) {
                         if (in_array(
-                            $results[$i]['username'] . $results[$i]['firstname'] . $results[$i]['lastname'],
+                            $results[$i]['username'].$results[$i]['firstname'].$results[$i]['lastname'],
                             $users_array_id
                         )) {
                             continue;
                         }
-                        $users_array_id[] = $results[$i]['username'] . $results[$i]['firstname'] . $results[$i]['lastname'];
+                        $users_array_id[] = $results[$i]['username'].$results[$i]['firstname'].$results[$i]['lastname'];
                     }
 
                     $lp_obj = isset($results[$i]['orig_lp_id']) && isset($lp_list[$results[$i]['orig_lp_id']]) ? $lp_list[$results[$i]['orig_lp_id']] : null;
@@ -1827,8 +1827,8 @@ 
                     if ($lp_obj) {
                         $url = api_get_path(
                                 WEB_CODE_PATH
-                            ) . 'newscorm/lp_controller.php?' . api_get_cidreq(
-                            ) . '&action=view&lp_id=' . $results[$i]['orig_lp_id'];
+                            ).'newscorm/lp_controller.php?'.api_get_cidreq(
+                            ).'&action=view&lp_id='.$results[$i]['orig_lp_id'];
                         $lp_name = Display::url(
                             $lp_obj['lp_name'],
                             $url,
@@ -1846,7 +1846,7 @@ 
                         );
 
                         foreach ($group_list as $id) {
-                            $group_name_list .= $clean_group_list[$id] . '<br/>';
+                            $group_name_list .= $clean_group_list[$id].'<br/>';
                         }
                         $results[$i]['group_name'] = $group_name_list;
                     }
@@ -1902,8 +1902,8 @@ 
                                 }
                             }
                             if ($revised) {
-                                $actions .= "<a href='exercise_show.php?" . api_get_cidreq(
-                                    ) . "&action=edit&id=$id'>" .
+                                $actions .= "<a href='exercise_show.php?".api_get_cidreq(
+                                    )."&action=edit&id=$id'>".
                                     Display:: return_icon(
                                         'edit.png',
                                         get_lang('Edit'),
@@ -1912,8 +1912,8 @@ 
                                     );
                                 $actions .= '&nbsp;';
                             } else {
-                                $actions .= "<a href='exercise_show.php?" . api_get_cidreq(
-                                    ) . "&action=qualify&id=$id'>" .
+                                $actions .= "<a href='exercise_show.php?".api_get_cidreq(
+                                    )."&action=qualify&id=$id'>".
                                     Display:: return_icon(
                                         'quiz.gif',
                                         get_lang('Qualify')
@@ -1923,12 +1923,12 @@ 
                             $actions .= "</a>";
 
                             if ($filter == 2) {
-                                $actions .= ' <a href="exercise_history.php?' . api_get_cidreq(
-                                    ) . '&exe_id=' . $id . '">' .
+                                $actions .= ' <a href="exercise_history.php?'.api_get_cidreq(
+                                    ).'&exe_id='.$id.'">'.
                                     Display:: return_icon(
                                         'history.gif',
                                         get_lang('ViewHistoryChange')
-                                    ) . '</a>';
+                                    ).'</a>';
                             }
 
                             //Admin can always delete the attempt
@@ -1940,32 +1940,32 @@ 
                                     date('Y-m-d h:i:s'),
                                     false
                                 );
-                                $actions .= '<a href="http://www.whatsmyip.org/ip-geo-location/?ip=' . $ip . '" target="_blank">
+                                $actions .= '<a href="http://www.whatsmyip.org/ip-geo-location/?ip='.$ip.'" target="_blank">
                                 '.Display::return_icon('info.png', $ip).'
                                 </a>';
 
-                                $delete_link = '<a href="exercise_report.php?' . api_get_cidreq() . '&filter_by_user=' . intval($_GET['filter_by_user']) . '&filter=' . $filter . '&exerciseId=' . $exercise_id . '&delete=delete&did=' . $id . '"
+                                $delete_link = '<a href="exercise_report.php?'.api_get_cidreq().'&filter_by_user='.intval($_GET['filter_by_user']).'&filter='.$filter.'&exerciseId='.$exercise_id.'&delete=delete&did='.$id.'"
                                 onclick="javascript:if(!confirm(\'' . sprintf(
                                         get_lang('DeleteAttempt'),
                                         $results[$i]['username'],
                                         $dt
-                                    ) . '\')) return false;">' . Display:: return_icon(
+                                    ).'\')) return false;">'.Display:: return_icon(
                                         'delete.png',
                                         get_lang('Delete')
-                                    ) . '</a>';
+                                    ).'</a>';
                                 $delete_link = utf8_encode($delete_link);
 
                                 if (api_is_drh() && !api_is_platform_admin()) {
                                     $delete_link = null;
                                 }
-                                $actions .= $delete_link . '&nbsp;';
+                                $actions .= $delete_link.'&nbsp;';
                             }
 
                         } else {
                             $attempt_url = api_get_path(
                                     WEB_CODE_PATH
-                                ) . 'exercice/result.php?' . api_get_cidreq(
-                                ) . '&id=' . $results[$i]['exe_id'] . '&id_session=' . $sessionId;
+                                ).'exercice/result.php?'.api_get_cidreq(
+                                ).'&id='.$results[$i]['exe_id'].'&id_session='.$sessionId;
                             $attempt_link = Display::url(
                                 get_lang('Show'),
                                 $attempt_url,
@@ -2022,7 +2022,7 @@ 
                     $hp_result = round(
                             ($hpresults[$i][4] / ($hpresults[$i][5] != 0 ? $hpresults[$i][5] : 1)) * 100,
                             2
-                        ) . '% (' . $hpresults[$i][4] . ' / ' . $hpresults[$i][5] . ')';
+                        ).'% ('.$hpresults[$i][4].' / '.$hpresults[$i][5].')';
                     if ($is_allowedToEdit) {
                         $list_info[] = array(
                             $hpresults[$i][0],
@@ -2095,13 +2095,13 @@ 
 
         $html = null;
         if ($show_percentage) {
-            $parent = '(' . $score . ' / ' . $weight . ')';
-            $html = $percentage . "%  $parent";
+            $parent = '('.$score.' / '.$weight.')';
+            $html = $percentage."%  $parent";
             if ($show_only_percentage) {
-                $html = $percentage . "% ";
+                $html = $percentage."% ";
             }
         } else {
-            $html = $score . ' / ' . $weight;
+            $html = $score.' / '.$weight;
         }
         $html = Display::span($html, array('class' => 'score_exercise'));
 
@@ -2195,7 +2195,7 @@ 
     {
         $return = '-';
         if ($value != '') {
-            $return = float_format($value * 100, 1) . ' %';
+            $return = float_format($value * 100, 1).' %';
         }
         return $return;
     }
@@ -2273,7 +2273,7 @@ 
         }
 
         $needle_where = !empty($search) ? " AND title LIKE '?' " : '';
-        $needle = !empty($search) ? "%" . $search . "%" : '';
+        $needle = !empty($search) ? "%".$search."%" : '';
 
         // Show courses by active status
         $active_sql = '';
@@ -2288,7 +2288,7 @@ 
         if ($search_all_sessions == true) {
             $conditions = array(
                 'where' => array(
-                    $active_sql . ' c_id = ? ' . $needle_where . $time_conditions => array(
+                    $active_sql.' c_id = ? '.$needle_where.$time_conditions => array(
                         $course_id,
                         $needle
                     )
@@ -2299,7 +2299,7 @@ 
             if ($session_id == 0) {
                 $conditions = array(
                     'where' => array(
-                        $active_sql . ' session_id = ? AND c_id = ? ' . $needle_where . $time_conditions => array(
+                        $active_sql.' session_id = ? AND c_id = ? '.$needle_where.$time_conditions => array(
                             $session_id,
                             $course_id,
                             $needle
@@ -2310,7 +2310,7 @@ 
             } else {
                 $conditions = array(
                     'where' => array(
-                        $active_sql . ' (session_id = 0 OR session_id = ? ) AND c_id = ? ' . $needle_where . $time_conditions => array(
+                        $active_sql.' (session_id = 0 OR session_id = ? ) AND c_id = ? '.$needle_where.$time_conditions => array(
                             $session_id,
                             $course_id,
                             $needle
@@ -2489,7 +2489,7 @@ 
 
             if ($return_string) {
                 if (!empty($position) && !empty($my_ranking)) {
-                    $return_value = $position . '/' . count($my_ranking);
+                    $return_value = $position.'/'.count($my_ranking);
                 } else {
                     $return_value = '-';
                 }
@@ -2569,7 +2569,7 @@ 
 
             if ($return_string) {
                 if (!empty($position) && !empty($my_ranking)) {
-                    return $position . '/' . count($my_ranking);
+                    return $position.'/'.count($my_ranking);
                 }
             }
             return $return_value;
@@ -2969,7 +2969,7 @@ 
             $courseCondition = "
             INNER JOIN $courseUser cu
             ON cu.c_id = c.id AND cu.user_id  = exe_user_id";
-            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = " . STUDENT;
+            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = ".STUDENT;
         } else {
             $courseCondition = "
             INNER JOIN $courseUserSession cu
@@ -3044,7 +3044,7 @@ 
             $courseCondition = "
             INNER JOIN $courseUser cu
             ON cu.c_id = c.id AND cu.user_id  = exe_user_id";
-            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = " . STUDENT;
+            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = ".STUDENT;
         } else {
             $courseCondition = "
             INNER JOIN $courseUserSession cu
@@ -3136,7 +3136,7 @@ 
             $courseCondition = "
             INNER JOIN $courseUser cu
             ON cu.c_id = c.id AND cu.user_id  = exe_user_id";
-            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = " . STUDENT;
+            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = ".STUDENT;
         } else {
             $courseCondition = "
             INNER JOIN $courseUserSession cu
@@ -3318,7 +3318,7 @@ 
                 }
             }
             // adds the correct word, followed by ] to close the blank
-            $answer .= ' / <font color="green"><b>' . $real_correct_tags[$i] . '</b></font>]';
+            $answer .= ' / <font color="green"><b>'.$real_correct_tags[$i].'</b></font>]';
             if (isset ($real_text[$i + 1])) {
                 $answer .= $real_text[$i + 1];
             }
@@ -3377,13 +3377,13 @@ 
         // check the default value of option
         $tabSelected = array($in_default => " selected='selected' ");
         $res = "";
-        $res .= "<select name='$in_name' id='$in_name' onchange='" . $in_onchange . "' >";
-        $res .= "<option value='-1'" . $tabSelected["-1"] . ">-- " . get_lang(
+        $res .= "<select name='$in_name' id='$in_name' onchange='".$in_onchange."' >";
+        $res .= "<option value='-1'".$tabSelected["-1"].">-- ".get_lang(
                 'AllGroups'
-            ) . " --</option>";
-        $res .= "<option value='0'" . $tabSelected["0"] . ">- " . get_lang(
+            )." --</option>";
+        $res .= "<option value='0'".$tabSelected["0"].">- ".get_lang(
                 'NotInAGroup'
-            ) . " -</option>";
+            )." -</option>";
         $tabGroups = GroupManager::get_group_list();
         $currentCatId = 0;
         for ($i = 0; $i < count($tabGroups); $i++) {
@@ -3391,10 +3391,10 @@ 
                 $tabGroups[$i]["id"]
             );
             if ($tabCategory["id"] != $currentCatId) {
-                $res .= "<option value='-1' disabled='disabled'>" . $tabCategory["title"] . "</option>";
+                $res .= "<option value='-1' disabled='disabled'>".$tabCategory["title"]."</option>";
                 $currentCatId = $tabCategory["id"];
             }
-            $res .= "<option " . $tabSelected[$tabGroups[$i]["id"]] . "style='margin-left:40px' value='" . $tabGroups[$i]["id"] . "'>" . $tabGroups[$i]["name"] . "</option>";
+            $res .= "<option ".$tabSelected[$tabGroups[$i]["id"]]."style='margin-left:40px' value='".$tabGroups[$i]["id"]."'>".$tabGroups[$i]["name"]."</option>";
         }
         $res .= "</select>";
         return $res;
@@ -3599,14 +3599,14 @@ 
                 if ($show_results) {
                     $comnt = Event::get_comments($exe_id, $questionId);
                     if (!empty($comnt)) {
-                        echo '<b>' . get_lang('Feedback') . '</b>';
-                        echo '<div id="question_feedback">' . $comnt . '</div>';
+                        echo '<b>'.get_lang('Feedback').'</b>';
+                        echo '<div id="question_feedback">'.$comnt.'</div>';
                     }
                 }
 
                 if ($show_results) {
                     $score = array(
-                        'result' => get_lang('Score') . " : " . self::show_score(
+                        'result' => get_lang('Score')." : ".self::show_score(
                                 $my_total_score,
                                 $my_total_weight,
                                 false,
@@ -3680,13 +3680,13 @@ 
         }
 
         if ($show_all_but_expected_answer) {
-            $exercise_content .= "<div class='normal-message'>" . get_lang(
+            $exercise_content .= "<div class='normal-message'>".get_lang(
                     "ExerciseWithFeedbackWithoutCorrectionComment"
-                ) . "</div>";
+                )."</div>";
         }
         // Remove audio auto play from questions on results page - refs BT#7939
         $exercise_content = preg_replace(
-            ['/autoplay[\=\".+\"]+/','/autostart[\=\".+\"]+/'],
+            ['/autoplay[\=\".+\"]+/', '/autostart[\=\".+\"]+/'],
             '',
             $exercise_content
         );
@@ -3780,11 +3780,11 @@ 
                     $ribbon_total_success_or_error = ' ribbon-total-error';
                 }
             }
-            $ribbon .= '<div class="total ' . $ribbon_total_success_or_error . '">';
+            $ribbon .= '<div class="total '.$ribbon_total_success_or_error.'">';
         } else {
             $ribbon .= '<div class="total">';
         }
-        $ribbon .= '<h3>' . get_lang('YourTotalScore') . ":&nbsp;";
+        $ribbon .= '<h3>'.get_lang('YourTotalScore').":&nbsp;";
         $ribbon .= self::show_score($score, $weight, false, true);
         $ribbon .= '</h3>';
         $ribbon .= '</div>';

main/inc/lib/grade_model.lib.php

Spacing +13 added lines, -13 removed lines

@@ -15,7 +15,7 @@ 
      */
     public function __construct()
     {
-        $this->table =  Database::get_main_table(TABLE_GRADE_MODEL);
+        $this->table = Database::get_main_table(TABLE_GRADE_MODEL);
     }
 
     /**
@@ -54,8 +54,8 @@ 
     {
 		// action links
 		echo '<div class="actions" style="margin-bottom:20px">';
-        echo '<a href="grade_models.php">'.Display::return_icon('back.png',get_lang('Back'),'','32').'</a>';
-		echo '<a href="'.api_get_self().'?action=add">'.Display::return_icon('add.png',get_lang('Add'),'','32').'</a>';
+        echo '<a href="grade_models.php">'.Display::return_icon('back.png', get_lang('Back'), '', '32').'</a>';
+		echo '<a href="'.api_get_self().'?action=add">'.Display::return_icon('add.png', get_lang('Add'), '', '32').'</a>';
 		echo '</div>';
         echo Display::grid_html('grade_model');
 	}
@@ -110,7 +110,7 @@ 
 
         if ($action == 'edit') {
             if (!empty($components)) {
-                $nr_items = count($components) -1;
+                $nr_items = count($components) - 1;
             }
         }
 
@@ -123,12 +123,12 @@ 
         for ($i = 0; $i <= $max; $i++) {
             $counter = $i;
             $form->addElement('text', 'components['.$i.'][percentage]', null);
-            $form->addElement('text', 'components['.$i.'][acronym]',    null);
-            $form->addElement('text', 'components['.$i.'][title]',      null);
-            $form->addElement('hidden', 'components['.$i.'][id]',       null);
+            $form->addElement('text', 'components['.$i.'][acronym]', null);
+            $form->addElement('text', 'components['.$i.'][title]', null);
+            $form->addElement('hidden', 'components['.$i.'][id]', null);
 
              $template_percentage =
-            '<div id=' . $i . ' style="display: '.(($i<=$nr_items)?'inline':'none').';" class="control-group">
+            '<div id='.$i.' style="display: '.(($i <= $nr_items) ? 'inline' : 'none').';" class="control-group">
                 <p>
                 <label class="control-label">{label}</label>
                 <div class="controls">
@@ -141,11 +141,11 @@ 
 
             $template_title =
             '&nbsp{element} <!-- BEGIN error --> <span class="form_error">{error}</span><!-- END error -->
-             <a href="javascript:plusItem(' . ($counter+1) . ')">
-                <img style="display: '.(($counter>=$nr_items)?'inline':'none').';" id="plus-' . ($counter+1) . '" src="'.Display::return_icon('add.png').'" alt="'.get_lang('Add').'" title="'.get_lang('Add').'">
+             <a href="javascript:plusItem(' . ($counter + 1).')">
+                <img style="display: '.(($counter >= $nr_items) ? 'inline' : 'none').';" id="plus-'.($counter + 1).'" src="'.Display::return_icon('add.png').'" alt="'.get_lang('Add').'" title="'.get_lang('Add').'">
             </a>
-            <a href="javascript:minItem(' . ($counter) . ')">
-                <img style="display: '.(($counter>=$nr_items)?'inline':'none').';" id="min-' . $counter . '" src="'.Display::return_icon('delete.png').'" alt="'.get_lang('Delete').'" title="'.get_lang('Delete').'">
+            <a href="javascript:minItem(' . ($counter).')">
+                <img style="display: '.(($counter >= $nr_items) ? 'inline' : 'none').';" id="min-'.$counter.'" src="'.Display::return_icon('delete.png').'" alt="'.get_lang('Delete').'" title="'.get_lang('Delete').'">
             </a>
             </div></p></div>';
 
@@ -292,7 +292,7 @@ 
 
 	public function __construct()
     {
-        $this->table =  Database::get_main_table(TABLE_GRADE_MODEL_COMPONENTS);
+        $this->table = Database::get_main_table(TABLE_GRADE_MODEL_COMPONENTS);
 	}
 
     public function save($params, $show_query = false)

main/mySpace/myStudents.php

Spacing +85 added lines, -85 removed lines

@@ -63,53 +63,53 @@ 
     if ($origin == 'user_course') {
         $course_info = CourseManager :: get_course_information($get_course_code);
         if (empty ($cidReq)) {
-            $interbreadcrumb[] = array (
-                "url" => api_get_path(WEB_COURSE_PATH) . $course_info['directory'],
+            $interbreadcrumb[] = array(
+                "url" => api_get_path(WEB_COURSE_PATH).$course_info['directory'],
                 'name' => $course_info['title']
             );
         }
-        $interbreadcrumb[] = array (
-            "url" => "../user/user.php?cidReq=" . $get_course_code,
+        $interbreadcrumb[] = array(
+            "url" => "../user/user.php?cidReq=".$get_course_code,
             "name" => get_lang("Users")
         );
     } else
         if ($origin == 'tracking_course') {
             $course_info = CourseManager :: get_course_information($get_course_code);
-            $interbreadcrumb[] = array (
-                "url" => "../tracking/courseLog.php?cidReq=".$get_course_code.'&id_session=' . api_get_session_id(),
+            $interbreadcrumb[] = array(
+                "url" => "../tracking/courseLog.php?cidReq=".$get_course_code.'&id_session='.api_get_session_id(),
                 "name" => get_lang("Tracking")
             );
         } else
             if ($origin == 'resume_session') {
-                $interbreadcrumb[] = array (
+                $interbreadcrumb[] = array(
                     'url' => "../session/session_list.php",
                     "name" => get_lang('SessionList')
                 );
-                $interbreadcrumb[] = array (
-                    'url' => "../session/resume_session.php?id_session=" . $sessionId,
+                $interbreadcrumb[] = array(
+                    'url' => "../session/resume_session.php?id_session=".$sessionId,
                     "name" => get_lang('SessionOverview')
                 );
             } else {
-                $interbreadcrumb[] = array (
+                $interbreadcrumb[] = array(
                     "url" => "index.php",
                     "name" => get_lang('MySpace')
                 );
                 if (isset ($_GET['id_coach']) && intval($_GET['id_coach']) != 0) {
-                    $interbreadcrumb[] = array (
-                        "url" => "student.php?id_coach=" . Security :: remove_XSS($_GET['id_coach']),
+                    $interbreadcrumb[] = array(
+                        "url" => "student.php?id_coach=".Security :: remove_XSS($_GET['id_coach']),
                         "name" => get_lang("CoachStudents")
                     );
-                    $interbreadcrumb[] = array (
-                        "url" => "myStudents.php?student=" . Security :: remove_XSS($_GET['student']) . '&id_coach=' . Security :: remove_XSS($_GET['id_coach']),
+                    $interbreadcrumb[] = array(
+                        "url" => "myStudents.php?student=".Security :: remove_XSS($_GET['student']).'&id_coach='.Security :: remove_XSS($_GET['id_coach']),
                         "name" => get_lang("StudentDetails")
                     );
                 } else {
-                    $interbreadcrumb[] = array (
+                    $interbreadcrumb[] = array(
                         "url" => "student.php",
                         "name" => get_lang("MyStudents")
                     );
-                    $interbreadcrumb[] = array (
-                        "url" => "myStudents.php?student=" . Security :: remove_XSS($_GET['student']),
+                    $interbreadcrumb[] = array(
+                        "url" => "myStudents.php?student=".Security :: remove_XSS($_GET['student']),
                         "name" => get_lang("StudentDetails")
                     );
                 }
@@ -117,7 +117,7 @@ 
     $nameTools = get_lang("DetailsStudentInCourse");
 } else {
     if ($origin == 'resume_session') {
-        $interbreadcrumb[] = array (
+        $interbreadcrumb[] = array(
             'url' => "../session/session_list.php",
             "name" => get_lang('SessionList')
         );
@@ -128,24 +128,24 @@ 
             );
         }
     } else {
-        $interbreadcrumb[] = array (
+        $interbreadcrumb[] = array(
             "url" => "index.php",
             "name" => get_lang('MySpace')
         );
         if (isset ($_GET['id_coach']) && intval($_GET['id_coach']) != 0) {
             if ($sessionId) {
-                $interbreadcrumb[] = array (
-                    "url" => "student.php?id_coach=" . Security :: remove_XSS($_GET['id_coach']) . "&id_session=" . $sessionId,
+                $interbreadcrumb[] = array(
+                    "url" => "student.php?id_coach=".Security :: remove_XSS($_GET['id_coach'])."&id_session=".$sessionId,
                     "name" => get_lang("CoachStudents")
                 );
             } else {
-                $interbreadcrumb[] = array (
-                    "url" => "student.php?id_coach=" . Security :: remove_XSS($_GET['id_coach']),
+                $interbreadcrumb[] = array(
+                    "url" => "student.php?id_coach=".Security :: remove_XSS($_GET['id_coach']),
                     "name" => get_lang("CoachStudents")
                 );
             }
         } else {
-            $interbreadcrumb[] = array (
+            $interbreadcrumb[] = array(
                 "url" => "student.php",
                 "name" => get_lang("MyStudents")
             );
@@ -316,28 +316,28 @@ 
     // Actions bar
     echo '<div class="actions">';
     echo '<a href="javascript: window.history.go(-1);">'.
-            Display::return_icon('back.png', get_lang('Back'),'',ICON_SIZE_MEDIUM).'</a>';
+            Display::return_icon('back.png', get_lang('Back'), '', ICON_SIZE_MEDIUM).'</a>';
 
     echo '<a href="javascript: void(0);" onclick="javascript: window.print();">'.
-            Display::return_icon('printer.png', get_lang('Print'),'',ICON_SIZE_MEDIUM).'</a>';
+            Display::return_icon('printer.png', get_lang('Print'), '', ICON_SIZE_MEDIUM).'</a>';
 
-    echo '<a href="' . api_get_self() . '?' . Security :: remove_XSS($_SERVER['QUERY_STRING']) . '&export=csv">'.
-            Display::return_icon('export_csv.png', get_lang('ExportAsCSV'),'',ICON_SIZE_MEDIUM).'</a> ';
+    echo '<a href="'.api_get_self().'?'.Security :: remove_XSS($_SERVER['QUERY_STRING']).'&export=csv">'.
+            Display::return_icon('export_csv.png', get_lang('ExportAsCSV'), '', ICON_SIZE_MEDIUM).'</a> ';
 
-    echo '<a href="' . api_get_self() . '?' . Security :: remove_XSS($_SERVER['QUERY_STRING']) . '&export=xls">'.
-    Display::return_icon('export_excel.png', get_lang('ExportAsXLS'),'',ICON_SIZE_MEDIUM).'</a> ';
+    echo '<a href="'.api_get_self().'?'.Security :: remove_XSS($_SERVER['QUERY_STRING']).'&export=xls">'.
+    Display::return_icon('export_excel.png', get_lang('ExportAsXLS'), '', ICON_SIZE_MEDIUM).'</a> ';
 
     if (!empty ($user_info['email'])) {
         $send_mail = '<a href="mailto:'.$user_info['email'].'">'.
-            Display :: return_icon('mail_send.png', get_lang('SendMail'),'',ICON_SIZE_MEDIUM).'</a>';
+            Display :: return_icon('mail_send.png', get_lang('SendMail'), '', ICON_SIZE_MEDIUM).'</a>';
     } else {
-        $send_mail = Display :: return_icon('mail_send_na.png', get_lang('SendMail'),'',ICON_SIZE_MEDIUM);
+        $send_mail = Display :: return_icon('mail_send_na.png', get_lang('SendMail'), '', ICON_SIZE_MEDIUM);
     }
     echo $send_mail;
     if (!empty($student_id) && !empty($_GET['course'])) {
         // Only show link to connection details if course and student were defined in the URL
-        echo '<a href="access_details.php?student=' . $student_id . '&course=' . Security :: remove_XSS($_GET['course']) . '&origin=' . $origin. '&cidReq='.Security::remove_XSS($_GET['course']).'&id_session='.$sessionId.'">'.
-            Display :: return_icon('statistics.png', get_lang('AccessDetails'),'',ICON_SIZE_MEDIUM).'</a>';
+        echo '<a href="access_details.php?student='.$student_id.'&course='.Security :: remove_XSS($_GET['course']).'&origin='.$origin.'&cidReq='.Security::remove_XSS($_GET['course']).'&id_session='.$sessionId.'">'.
+            Display :: return_icon('statistics.png', get_lang('AccessDetails'), '', ICON_SIZE_MEDIUM).'</a>';
     }
     if (api_can_login_as($student_id)) {
         echo '<a href="'.api_get_path(WEB_CODE_PATH).'admin/user_list.php?action=login_as&user_id='.$student_id.'&sec_token='.$token.'">'.
@@ -406,7 +406,7 @@ 
     $csv_content[] = array(
         get_lang('Information', '')
     );
-    $csv_content[] = array (
+    $csv_content[] = array(
         get_lang('Name', ''),
         get_lang('Email', ''),
         get_lang('Tel', '')
@@ -434,7 +434,7 @@ 
         strip_tags($first_connection_date),
         strip_tags($last_connection_date),
         $time_spent_on_the_course,
-        $avg_student_progress . '%',
+        $avg_student_progress.'%',
         $avg_student_score
     );
 
@@ -454,7 +454,7 @@ 
             foreach ($course_coachs as $course_coach) {
                 $info_tutor_name[] = api_get_person_name($course_coach['firstname'], $course_coach['lastname']);
             }
-            $info_course['tutor_name'] = implode(",",$info_tutor_name);
+            $info_course['tutor_name'] = implode(",", $info_tutor_name);
         } elseif ($session_coach_id != 0) {
             $session_coach_id = intval($session_info['id_coach']);
             $coach_info = api_get_user_info($session_coach_id);
@@ -464,7 +464,7 @@ 
         $session_name = $session_info['name'];
     } // end
 
-    $info_course  = CourseManager :: get_course_information($get_course_code);
+    $info_course = CourseManager :: get_course_information($get_course_code);
     $table_title = Display::return_icon('user.png', get_lang('User'), array(), ICON_SIZE_SMALL).$user_info['complete_name'];
 
     echo Display::page_subheader($table_title);
@@ -485,19 +485,19 @@ 
             </thead>
             <tbody>
             <tr>
-                <td><?php echo get_lang('Name') . ' : '.$user_info['complete_name']; ?></td>
+                <td><?php echo get_lang('Name').' : '.$user_info['complete_name']; ?></td>
             </tr>
             <tr>
-                <td><?php echo get_lang('Email') . ' : ';
+                <td><?php echo get_lang('Email').' : ';
                     if (!empty ($user_info['email'])) {
-                        echo '<a href="mailto:' . $user_info['email'] . '">' . $user_info['email'] . '</a>';
+                        echo '<a href="mailto:'.$user_info['email'].'">'.$user_info['email'].'</a>';
                     } else {
                         echo get_lang('NoEmail');
                     } ?>
                 </td>
             </tr>
             <tr>
-                <td> <?php echo get_lang('Tel') . ' : ';
+                <td> <?php echo get_lang('Tel').' : ';
                     if (!empty ($user_info['phone'])) {
                         echo $user_info['phone'];
                     } else {
@@ -507,7 +507,7 @@ 
                 </td>
             </tr>
             <tr>
-                <td> <?php echo get_lang('OfficialCode') . ' : ';
+                <td> <?php echo get_lang('OfficialCode').' : ';
                     if (!empty ($user_info['official_code'])) {
                         echo $user_info['official_code'];
                     } else {
@@ -517,13 +517,13 @@ 
                 </td>
             </tr>
             <tr>
-                <td><?php echo get_lang('OnLine') . ' : '.$online; ?> </td>
+                <td><?php echo get_lang('OnLine').' : '.$online; ?> </td>
             </tr>
             <?php
 
             // Display timezone if the user selected one and if the admin allows the use of user's timezone
             $timezone = null;
-            $timezone_user = UserManager::get_extra_user_data_by_field($user_info['user_id'],'timezone');
+            $timezone_user = UserManager::get_extra_user_data_by_field($user_info['user_id'], 'timezone');
             $use_users_timezone = api_get_setting('use_users_timezone', 'timezones');
             if ($timezone_user['timezone'] != null && $use_users_timezone == 'true') {
                 $timezone = $timezone_user['timezone'];
@@ -531,7 +531,7 @@ 
             if ($timezone !== null) {
                 ?>
                 <tr>
-                    <td> <?php echo get_lang('Timezone') . ' : '.$timezone; ?> </td>
+                    <td> <?php echo get_lang('Timezone').' : '.$timezone; ?> </td>
                 </tr>
             <?php
             }
@@ -563,7 +563,7 @@ 
                     <td align="right">
                         <?php
                         echo get_lang('Progress').' ';
-                        Display :: display_icon('info3.gif', get_lang('ScormAndLPProgressTotalAverage'), array ('align' => 'absmiddle', 'hspace' => '3px'));?>
+                        Display :: display_icon('info3.gif', get_lang('ScormAndLPProgressTotalAverage'), array('align' => 'absmiddle', 'hspace' => '3px')); ?>
                     </td>
                     <td align="left"><?php echo $avg_student_progress.'%' ?></td>
                 </tr>
@@ -571,9 +571,9 @@ 
                     <td align="right">
                         <?php
                         echo get_lang('Score').' ';
-                        Display :: display_icon('info3.gif', get_lang('ScormAndLPTestTotalAverage'), array ('align' => 'absmiddle', 'hspace' => '3px')); ?>
+                        Display :: display_icon('info3.gif', get_lang('ScormAndLPTestTotalAverage'), array('align' => 'absmiddle', 'hspace' => '3px')); ?>
                     </td>
-                    <td align="left"><?php if (is_numeric($avg_student_score)) { echo $avg_student_score.'%';} else { echo $avg_student_score ;}  ?></td>
+                    <td align="left"><?php if (is_numeric($avg_student_score)) { echo $avg_student_score.'%'; } else { echo $avg_student_score; }  ?></td>
                 </tr>
                 <?php
                 if (!empty($nb_login)) {
@@ -607,10 +607,10 @@ 
     $table_title = '';
     if (!empty($sessionId)) {
         $session_name = api_get_session_name($sessionId);
-        $table_title  = $session_name ? Display::return_icon('session.png', get_lang('Session'), array(), ICON_SIZE_SMALL).' '.$session_name.' ':'';
+        $table_title  = $session_name ? Display::return_icon('session.png', get_lang('Session'), array(), ICON_SIZE_SMALL).' '.$session_name.' ' : '';
     }
     if (!empty($info_course['title'])) {
-        $table_title .= $info_course ? Display::return_icon('course.png', get_lang('Course'), array(), ICON_SIZE_SMALL).' '.$info_course['title'].'  ':'';
+        $table_title .= $info_course ? Display::return_icon('course.png', get_lang('Course'), array(), ICON_SIZE_SMALL).' '.$info_course['title'].'  ' : '';
     }
 
     echo Display::page_subheader($table_title);
@@ -648,13 +648,13 @@ 
             }
             $date_session = '';
             if (!empty($access_start_date) && !empty($access_end_date)) {
-                $date_session = get_lang('From') . ' ' . $access_start_date . ' ' . get_lang('Until') . ' ' . $access_end_date;
+                $date_session = get_lang('From').' '.$access_start_date.' '.get_lang('Until').' '.$access_end_date;
             }
             $title = '';
             if (empty($sessionId)) {
                 $title = Display::return_icon('course.png', get_lang('Courses'), array(), ICON_SIZE_SMALL).' '.get_lang('Courses');
             } else {
-                $title = Display::return_icon('session.png', get_lang('Session'), array(), ICON_SIZE_SMALL).' '.$session_name.($date_session?' ('.$date_session.')':'');
+                $title = Display::return_icon('session.png', get_lang('Session'), array(), ICON_SIZE_SMALL).' '.$session_name.($date_session ? ' ('.$date_session.')' : '');
             }
 
             // Courses
@@ -705,9 +705,9 @@ 
                         $scoretotal = array();
                         if (isset($cats) && isset($cats[0])) {
                             if (!empty($sessionId)) {
-                                $scoretotal= $cats[0]->calc_score($student_id, null, $course_code, $sessionId);
+                                $scoretotal = $cats[0]->calc_score($student_id, null, $course_code, $sessionId);
                             } else {
-                                $scoretotal= $cats[0]->calc_score($student_id, null, $course_code);
+                                $scoretotal = $cats[0]->calc_score($student_id, null, $course_code);
                             }
                         }
 
@@ -740,8 +740,8 @@ 
                         );
 
                         echo '<tr>
-                        <td ><a href="' . api_get_path(WEB_COURSE_PATH) . $course_info['directory'] .'/?id_session=' . $sessionId . '">'.$course_info['title'].'</a></td>
-                        <td >'.$time_spent_on_course .'</td>
+                        <td ><a href="' . api_get_path(WEB_COURSE_PATH).$course_info['directory'].'/?id_session='.$sessionId.'">'.$course_info['title'].'</a></td>
+                        <td >'.$time_spent_on_course.'</td>
                         <td >'.$progress.'</td>
                         <td >'.$score.'</td>
                         <td >'.$attendances_faults_avg.'</td>
@@ -807,22 +807,22 @@ 
                 <table class="table table-striped table-hover">
                 <thead>
                 <tr>
-                    <th><?php echo get_lang('Learnpaths');?></th>
+                    <th><?php echo get_lang('Learnpaths'); ?></th>
                     <th><?php
                         echo get_lang('Time').' ';
-                        Display :: display_icon('info3.gif', get_lang('TotalTimeByCourse'), array ('align' => 'absmiddle', 'hspace' => '3px')); ?></th>
+                        Display :: display_icon('info3.gif', get_lang('TotalTimeByCourse'), array('align' => 'absmiddle', 'hspace' => '3px')); ?></th>
                     <th><?php
                         echo get_lang('AverageScore').' ';
-                        Display :: display_icon('info3.gif', get_lang('AverageIsCalculatedBasedInAllAttempts'), array ( 'align' => 'absmiddle', 'hspace' => '3px')); ?></th>
+                        Display :: display_icon('info3.gif', get_lang('AverageIsCalculatedBasedInAllAttempts'), array('align' => 'absmiddle', 'hspace' => '3px')); ?></th>
                     <th><?php
                         echo get_lang('LatestAttemptAverageScore').' ';
-                        Display :: display_icon('info3.gif', get_lang('AverageIsCalculatedBasedInTheLatestAttempts'), array ( 'align' => 'absmiddle', 'hspace' => '3px')); ?></th>
+                        Display :: display_icon('info3.gif', get_lang('AverageIsCalculatedBasedInTheLatestAttempts'), array('align' => 'absmiddle', 'hspace' => '3px')); ?></th>
                     <th><?php
                         echo get_lang('Progress').' ';
-                        Display :: display_icon('info3.gif', get_lang('LPProgressScore'), array ('align' => 'absmiddle','hspace' => '3px')); ?></th>
+                        Display :: display_icon('info3.gif', get_lang('LPProgressScore'), array('align' => 'absmiddle', 'hspace' => '3px')); ?></th>
                     <th><?php
                         echo get_lang('LastConnexion').' ';
-                        Display :: display_icon('info3.gif', get_lang('LastTimeTheCourseWasUsed'), array ('align' => 'absmiddle','hspace' => '3px')); ?></th>
+                        Display :: display_icon('info3.gif', get_lang('LastTimeTheCourseWasUsed'), array('align' => 'absmiddle', 'hspace' => '3px')); ?></th>
                     <?php
                     echo '<th>'.get_lang('Details').'</th>';
                     if (api_is_allowed_to_edit()) {
@@ -850,7 +850,7 @@ 
 
                     if ($progress === null) {
                         $progress = '0%';
-                    }  else {
+                    } else {
                         $any_result = true;
                     }
 
@@ -877,7 +877,7 @@ 
                     if (!empty($start_time)) {
                         $start_time = api_convert_and_format_date($start_time, DATE_TIME_FORMAT_LONG);
                     } else {
-                        $start_time =  '-';
+                        $start_time = '-';
                     }
 
                     if (!empty($total_time)) $any_result = true;
@@ -906,11 +906,11 @@ 
                     $i++;
 
                     // csv export content
-                    $csv_content[] = array (
+                    $csv_content[] = array(
                         api_html_entity_decode(stripslashes($lp_name), ENT_QUOTES, $charset),
                         api_time_to_hms($total_time),
-                        $score . '%',
-                        $score_latest . '%',
+                        $score.'%',
+                        $score_latest.'%',
                         $progress.'%',
                         $start_time
                     );
@@ -948,7 +948,7 @@ 
                     if ($any_result === true) {
                         $from = '';
                         if ($from_myspace) {
-                            $from ='&from=myspace';
+                            $from = '&from=myspace';
                         }
                         $link = Display::url(
                             Display::return_icon('2rightarrow.png'),
@@ -961,14 +961,14 @@ 
                         echo '<td>';
                         if ($any_result === true) {
                             echo '<a href="myStudents.php?action=reset_lp&sec_token='.$token.'&cidReq='.Security::remove_XSS($_GET['course']).'&course='.Security::remove_XSS($_GET['course']).'&details='.Security::remove_XSS($_GET['details']).'&origin='.$origin.'&lp_id='.$learnpath->getId().'&student='.$user_info['user_id'].'&details=true&id_session='.$sessionId.'">';
-                            echo Display::return_icon('clean.png',get_lang('Clean'),'',ICON_SIZE_SMALL).'</a>';
+                            echo Display::return_icon('clean.png', get_lang('Clean'), '', ICON_SIZE_SMALL).'</a>';
                             echo '</a>';
                         }
                         echo '</td>';
                         echo '</tr>';
                     }
                     $data_learnpath[$i][] = $lp_name;
-                    $data_learnpath[$i][] = $progress . '%';
+                    $data_learnpath[$i][] = $progress.'%';
                 }
             } else {
                 //echo '<tr><td colspan="6">'.get_lang('NoLearnpath').'</td></tr>';
@@ -985,7 +985,7 @@ 
         <thead>
         <tr>
             <th><?php echo get_lang('Exercises'); ?></th>
-            <th><?php echo get_lang('LearningPath');?></th>
+            <th><?php echo get_lang('LearningPath'); ?></th>
             <th><?php echo get_lang('AvgCourseScore').' '.Display :: return_icon('info3.gif', get_lang('AverageScore'), array('align' => 'absmiddle', 'hspace' => '3px')) ?></th>
             <th><?php echo get_lang('Attempts'); ?></th>
             <th><?php echo get_lang('LatestAttempt'); ?></th>
@@ -1004,7 +1004,7 @@ 
         );
 
         $t_quiz = Database :: get_course_table(TABLE_QUIZ_TEST);
-        $sql = "SELECT quiz.title, id FROM " . $t_quiz . " AS quiz
+        $sql = "SELECT quiz.title, id FROM ".$t_quiz." AS quiz
                 WHERE
                     quiz.c_id =  ".$info_course['real_id']." AND
                     (quiz.session_id = $sessionId OR quiz.session_id = 0) AND
@@ -1047,7 +1047,7 @@ 
                 echo '<td>';
 
                 if ($count_attempts > 0) {
-                    echo $score_percentage . '%';
+                    echo $score_percentage.'%';
                 } else {
                     echo '-';
                     $score_percentage = 0;
@@ -1057,7 +1057,7 @@ 
                 echo '<td>'.$count_attempts.'</td>';
                 echo '<td>';
 
-                $sql = 'SELECT exe_id FROM ' . $tbl_stats_exercices . '
+                $sql = 'SELECT exe_id FROM '.$tbl_stats_exercices.'
                          WHERE
                             exe_exo_id      ="'.$exercise_id.'" AND
                             exe_user_id     ="'.$student_id.'" AND
@@ -1070,7 +1070,7 @@ 
                 if (Database :: num_rows($result_last_attempt) > 0) {
                     $id_last_attempt = Database :: result($result_last_attempt, 0, 0);
                     if ($count_attempts > 0)
-                        echo '<a href="../exercice/exercise_show.php?id=' . $id_last_attempt . '&cidReq='.$course_code.'&session_id='.$sessionId.'&student='.$student_id.'&origin='.(empty($origin)?'tracking':$origin).'">
+                        echo '<a href="../exercice/exercise_show.php?id='.$id_last_attempt.'&cidReq='.$course_code.'&session_id='.$sessionId.'&student='.$student_id.'&origin='.(empty($origin) ? 'tracking' : $origin).'">
                         '.Display::return_icon('quiz.gif').'
                      </a>';
                 }
@@ -1078,11 +1078,11 @@ 
 
                 echo '<td>';
                 $all_attempt_url = "../exercice/exercise_report.php?exerciseId=$exercise_id&cidReq=$course_code&filter_by_user=$student_id&id_session=$sessionId";
-                echo Display::url(Display::return_icon('test_results.png', get_lang('AllAttempts'), array(), ICON_SIZE_SMALL), $all_attempt_url );
+                echo Display::url(Display::return_icon('test_results.png', get_lang('AllAttempts'), array(), ICON_SIZE_SMALL), $all_attempt_url);
 
                 echo '</td></tr>';
                 $data_exercices[$i][] = $exercices['title'];
-                $data_exercices[$i][] = $score_percentage . '%';
+                $data_exercices[$i][] = $score_percentage.'%';
                 $data_exercices[$i][] = $count_attempts;
 
                 $csv_content[] = array(
@@ -1110,7 +1110,7 @@ 
             $survey_list = SurveyManager::get_surveys($course_code, $sessionId);
 
             $survey_data = array();
-            foreach($survey_list as $survey) {
+            foreach ($survey_list as $survey) {
                 $user_list = SurveyManager::get_people_who_filled_survey($survey['survey_id'], false, $info_course['real_id']);
                 $survey_done = Display::return_icon("accept_na.png", get_lang('NoAnswer'), array(), ICON_SIZE_SMALL);
                 if (in_array($student_id, $user_list)) {
@@ -1135,7 +1135,7 @@ 
                         $column = 0;
                         $table->setCellContents($row, $column, $data);
                         $class = 'class="row_odd"';
-                        if($row % 2) {
+                        if ($row % 2) {
                             $class = 'class="row_even"';
                         }
                         $table->setRowAttributes($row, $class, true);
@@ -1158,13 +1158,13 @@ 
             </thead>
             <tbody>
         <?php
-        $csv_content[] = array ();
-        $nb_assignments 		= Tracking::count_student_assignments($student_id, $course_code, $sessionId);
+        $csv_content[] = array();
+        $nb_assignments = Tracking::count_student_assignments($student_id, $course_code, $sessionId);
         $messages 				= Tracking::count_student_messages($student_id, $course_code, $sessionId);
-        $links 					= Tracking::count_student_visited_links($student_id, $info_course['real_id'], $sessionId);
-        $chat_last_connection 	= Tracking::chat_last_connection($student_id, $info_course['real_id'], $sessionId);
+        $links = Tracking::count_student_visited_links($student_id, $info_course['real_id'], $sessionId);
+        $chat_last_connection = Tracking::chat_last_connection($student_id, $info_course['real_id'], $sessionId);
         $documents				= Tracking::count_student_downloaded_documents($student_id, $info_course['real_id'], $sessionId);
-        $uploaded_documents		= Tracking::count_student_uploaded_documents($student_id, $course_code, $sessionId);
+        $uploaded_documents = Tracking::count_student_uploaded_documents($student_id, $course_code, $sessionId);
 
         $csv_content[] = array(
             get_lang('OtherTools')

main/gradebook/lib/fe/scoredisplayform.class.php

Spacing +27 added lines, -27 removed lines

@@ -14,28 +14,28 @@ 
 	 * @param $form_name
 	 * @param null $action
 	 */
-	public function ScoreDisplayForm($form_name, $action= null)
+	public function ScoreDisplayForm($form_name, $action = null)
 	{
 		parent :: __construct($form_name, 'post', $action);
 		$displayscore = ScoreDisplay :: instance();
 		$customdisplays = $displayscore->get_custom_score_display_settings();
 
-		$nr_items = (count($customdisplays)!='0') ? count($customdisplays) : '1';
-		$this->setDefaults(array (
+		$nr_items = (count($customdisplays) != '0') ? count($customdisplays) : '1';
+		$this->setDefaults(array(
             'scorecolpercent' => $displayscore->get_color_split_value()
 		));
 
 		$this->addElement('hidden', 'maxvalue', '100');
 		$this->addElement('hidden', 'minvalue', '0');
-		$counter= 1;
+		$counter = 1;
 
 		//setting the default values
 
-		if(is_array($customdisplays)) {
+		if (is_array($customdisplays)) {
 			foreach ($customdisplays as $customdisplay) {
-				$this->setDefaults(array (
-					'endscore[' . $counter . ']' => $customdisplay['score'],
-					'displaytext[' . $counter . ']' => $customdisplay['display']
+				$this->setDefaults(array(
+					'endscore['.$counter.']' => $customdisplay['score'],
+					'displaytext['.$counter.']' => $customdisplay['display']
 				));
 				$counter++;
 			}
@@ -46,7 +46,7 @@ 
 		$this->addElement('header', get_lang('ScoreEdit'));
 
         if ($displayscore->is_coloring_enabled()) {
-            $this->addElement('html', '<b>' . get_lang('ScoreColor') . '</b>');
+            $this->addElement('html', '<b>'.get_lang('ScoreColor').'</b>');
             $this->addElement('text', 'scorecolpercent', array(get_lang('Below'), get_lang('WillColorRed'), '%'), array(
                 'size' => 5,
                 'maxlength' => 5,
@@ -58,14 +58,14 @@ 
             }
 
             $this->addRule('scorecolpercent', get_lang('OnlyNumbers'), 'numeric');
-            $this->addRule(array('scorecolpercent','maxvalue'), get_lang('Over100'), 'compare', '<=');
-            $this->addRule(array('scorecolpercent','minvalue'), get_lang('UnderMin'), 'compare', '>');
+            $this->addRule(array('scorecolpercent', 'maxvalue'), get_lang('Over100'), 'compare', '<=');
+            $this->addRule(array('scorecolpercent', 'minvalue'), get_lang('UnderMin'), 'compare', '>');
         }
 
 		//Settings for the scoring system
 
 		if ($displayscore->is_custom()) {
-            $this->addElement('html', '<br /><b>' . get_lang('ScoringSystem') . '</b>');
+            $this->addElement('html', '<br /><b>'.get_lang('ScoringSystem').'</b>');
 			$this->addElement('static', null, null, get_lang('ScoreInfo'));
 			$this->setDefaults(array(
 				'beginscore' => '0'
@@ -77,10 +77,10 @@ 
 				'input-size' => 2
 			));
 
-			for ($counter= 1; $counter <= 20; $counter++) {
-				$renderer =& $this->defaultRenderer();
+			for ($counter = 1; $counter <= 20; $counter++) {
+				$renderer = & $this->defaultRenderer();
 				$elementTemplateTwoLabel =
-				'<div id=' . $counter . ' style="display: '.(($counter<=$nr_items)?'inline':'none').';">
+				'<div id='.$counter.' style="display: '.(($counter <= $nr_items) ? 'inline' : 'none').';">
 
 				<!-- BEGIN required --><span class="form_required">*</span> <!-- END required -->
 
@@ -105,39 +105,39 @@ 
 
 				';
 
-				$elementTemplateTwoLabel2 ='
+				$elementTemplateTwoLabel2 = '
 				<div class="col-sm-2">
 					<!-- BEGIN error --><span class="form_error">{error}</span>
 					<!-- END error -->
 					{element}
 				</div>
 				<div class="col-sm-1">
-                    <a href="javascript:plusItem(' . ($counter+1) . ')">
-                    <img style="display: '.(($counter>=$nr_items)?'inline':'none').';" id="plus-' . ($counter+1) . '" src="'.Display::returnIconPath('add.png').'" alt="'.get_lang('Add').'" title="'.get_lang('Add').'"></a>
-        			<a href="javascript:minItem(' . ($counter) . ')">
-        			<img style="display: '.(($counter>=$nr_items && $counter!=1)?'inline':'none').';" id="min-' . $counter . '" src="'.Display::returnIconPath('delete.png').'" alt="'.get_lang('Delete').'" title="'.get_lang('Delete').'"></a>
+                    <a href="javascript:plusItem(' . ($counter + 1).')">
+                    <img style="display: '.(($counter >= $nr_items) ? 'inline' : 'none').';" id="plus-'.($counter + 1).'" src="'.Display::returnIconPath('add.png').'" alt="'.get_lang('Add').'" title="'.get_lang('Add').'"></a>
+        			<a href="javascript:minItem(' . ($counter).')">
+        			<img style="display: '.(($counter >= $nr_items && $counter != 1) ? 'inline' : 'none').';" id="min-'.$counter.'" src="'.Display::returnIconPath('delete.png').'" alt="'.get_lang('Delete').'" title="'.get_lang('Delete').'"></a>
 				</div>
 				</div>
 				</div>';
 
 				$scorebetw = array();
-				$this->addElement('text', 'endscore[' . $counter . ']', null, array (
+				$this->addElement('text', 'endscore['.$counter.']', null, array(
 					'size' => 5,
 					'maxlength' => 5,
 					'id' => 'txta-'.$counter,
 					'input-size' => 2
 				));
 
-				$this->addElement('text', 'displaytext[' . $counter . ']', null,array (
+				$this->addElement('text', 'displaytext['.$counter.']', null, array(
 					'size' => 40,
 					'maxlength' => 40,
 					'id' => 'txtb-'.$counter
 				));
-				$renderer->setElementTemplate($elementTemplateTwoLabel, 'endscore[' . $counter . ']');
-				$renderer->setElementTemplate($elementTemplateTwoLabel2, 'displaytext[' . $counter . ']');
-				$this->addRule('endscore[' . $counter . ']', get_lang('OnlyNumbers'), 'numeric');
-				$this->addRule(array ('endscore[' . $counter . ']', 'maxvalue'), get_lang('Over100'), 'compare', '<=');
-				$this->addRule(array ('endscore[' . $counter . ']', 'minvalue'), get_lang('UnderMin'), 'compare', '>');
+				$renderer->setElementTemplate($elementTemplateTwoLabel, 'endscore['.$counter.']');
+				$renderer->setElementTemplate($elementTemplateTwoLabel2, 'displaytext['.$counter.']');
+				$this->addRule('endscore['.$counter.']', get_lang('OnlyNumbers'), 'numeric');
+				$this->addRule(array('endscore['.$counter.']', 'maxvalue'), get_lang('Over100'), 'compare', '<=');
+				$this->addRule(array('endscore['.$counter.']', 'minvalue'), get_lang('UnderMin'), 'compare', '>');
 			}
 		}
 

main/gradebook/lib/fe/displaygradebook.php

Spacing +126 added lines, -126 removed lines

@@ -20,37 +20,37 @@ 
         if (api_is_allowed_to_edit(null, true)) {
             $header = '<div class="actions">';
             if ($page != 'statistics') {
-                $header .= '<a href="' . Security::remove_XSS($_SESSION['gradebook_dest']) . '?selectcat=' . $selectcat . '">' .
-                    Display::return_icon(('back.png'), get_lang('FolderView'), '', ICON_SIZE_MEDIUM) . '</a>';
+                $header .= '<a href="'.Security::remove_XSS($_SESSION['gradebook_dest']).'?selectcat='.$selectcat.'">'.
+                    Display::return_icon(('back.png'), get_lang('FolderView'), '', ICON_SIZE_MEDIUM).'</a>';
                 if ($evalobj->get_course_code() == null) {
 
                 } elseif (!$evalobj->has_results()) {
-                    $header .= '<a href="gradebook_add_result.php?'.api_get_cidreq().'&selectcat=' . $selectcat . '&selecteval=' . $evalobj->get_id() . '">
-    				' . Display::return_icon('evaluation_rate.png', get_lang('AddResult'), '', ICON_SIZE_MEDIUM) . '</a>';
+                    $header .= '<a href="gradebook_add_result.php?'.api_get_cidreq().'&selectcat='.$selectcat.'&selecteval='.$evalobj->get_id().'">
+    				' . Display::return_icon('evaluation_rate.png', get_lang('AddResult'), '', ICON_SIZE_MEDIUM).'</a>';
                 }
 
                 if (api_is_platform_admin() || $evalobj->is_locked() == false) {
-                    $header .= '<a href="' . api_get_self() . '?'.api_get_cidreq().'&selecteval=' . $evalobj->get_id() . '&import=">' .
-                        Display::return_icon('import_evaluation.png', get_lang('ImportResult'), '', ICON_SIZE_MEDIUM) . '</a>';
+                    $header .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&selecteval='.$evalobj->get_id().'&import=">'.
+                        Display::return_icon('import_evaluation.png', get_lang('ImportResult'), '', ICON_SIZE_MEDIUM).'</a>';
                 }
 
                 if ($evalobj->has_results()) {
-                    $header .= '<a href="' . api_get_self() . '?'.api_get_cidreq().'&selecteval=' . $evalobj->get_id() . '&export=">' .
-                        Display::return_icon('export_evaluation.png', get_lang('ExportResult'), '', ICON_SIZE_MEDIUM) . '</a>';
+                    $header .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&selecteval='.$evalobj->get_id().'&export=">'.
+                        Display::return_icon('export_evaluation.png', get_lang('ExportResult'), '', ICON_SIZE_MEDIUM).'</a>';
 
                     if (api_is_platform_admin() || $evalobj->is_locked() == false) {
-                        $header .= '<a href="gradebook_edit_result.php?'.api_get_cidreq().'&selecteval=' . $evalobj->get_id() . '">' .
-                            Display::return_icon('edit.png', get_lang('EditResult'), '', ICON_SIZE_MEDIUM) . '</a>';
-                        $header .= '<a href="' . api_get_self() . '?'.api_get_cidreq().'&selecteval=' . $evalobj->get_id() . '&deleteall=" onclick="return confirmationall();">' .
-                            Display::return_icon('delete.png', get_lang('DeleteResult'), '', ICON_SIZE_MEDIUM) . '</a>';
+                        $header .= '<a href="gradebook_edit_result.php?'.api_get_cidreq().'&selecteval='.$evalobj->get_id().'">'.
+                            Display::return_icon('edit.png', get_lang('EditResult'), '', ICON_SIZE_MEDIUM).'</a>';
+                        $header .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&selecteval='.$evalobj->get_id().'&deleteall=" onclick="return confirmationall();">'.
+                            Display::return_icon('delete.png', get_lang('DeleteResult'), '', ICON_SIZE_MEDIUM).'</a>';
                     }
                 }
 
-                $header .= '<a href="' . api_get_self() . '?'.api_get_cidreq().'&print=&selecteval=' . $evalobj->get_id() . '" target="_blank">' .
-                    Display::return_icon('printer.png', get_lang('Print'), '', ICON_SIZE_MEDIUM) . '</a>';
+                $header .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&print=&selecteval='.$evalobj->get_id().'" target="_blank">'.
+                    Display::return_icon('printer.png', get_lang('Print'), '', ICON_SIZE_MEDIUM).'</a>';
             } else {
-                $header .= '<a href="gradebook_view_result.php?'.api_get_cidreq().'&selecteval=' . Security::remove_XSS($_GET['selecteval']) . '"> ' .
-                    Display::return_icon(('back.png'), get_lang('FolderView'), '', ICON_SIZE_MEDIUM) . '</a>';
+                $header .= '<a href="gradebook_view_result.php?'.api_get_cidreq().'&selecteval='.Security::remove_XSS($_GET['selecteval']).'"> '.
+                    Display::return_icon(('back.png'), get_lang('FolderView'), '', ICON_SIZE_MEDIUM).'</a>';
             }
             $header .= '</div>';
         }
@@ -69,17 +69,17 @@ 
             $score = $evalobj->calc_score();
 
             if ($score != null) {
-                $average = get_lang('Average') . ' :<b> ' . $scoredisplay->display_score($score, SCORE_AVERAGE) . '</b>';
+                $average = get_lang('Average').' :<b> '.$scoredisplay->display_score($score, SCORE_AVERAGE).'</b>';
                 $student_score = $evalobj->calc_score(api_get_user_id());
                 $student_score = Display::tag(
                     'h3',
-                    get_lang('Score') . ': ' . $scoredisplay->display_score($student_score, SCORE_DIV_PERCENT)
+                    get_lang('Score').': '.$scoredisplay->display_score($student_score, SCORE_DIV_PERCENT)
                 );
             }
         }
         $description = "";
         if (!$evalobj->get_description() == '') {
-            $description = get_lang('Description') . ' :<b> ' . $evalobj->get_description() . '</b><br>';
+            $description = get_lang('Description').' :<b> '.$evalobj->get_description().'</b><br>';
         }
 
         if ($evalobj->get_course_code() == null) {
@@ -89,18 +89,18 @@ 
         }
 
         $evalinfo = '<table width="100%" border="0"><tr><td>';
-        $evalinfo .= '<h2>' . $evalobj->get_name() . '</h2><hr>';
+        $evalinfo .= '<h2>'.$evalobj->get_name().'</h2><hr>';
         $evalinfo .= $description;
-        $evalinfo .= get_lang('Course') . ' :<b> ' . $course . '</b><br />';
+        $evalinfo .= get_lang('Course').' :<b> '.$course.'</b><br />';
         //'<br>' . get_lang('Weight') . ' :<b> ' . $evalobj->get_weight() . '</b><br>' . get_lang('Visible') . ' :<b> ' . $visible . '</b>
-        $evalinfo .= get_lang('QualificationNumeric') . ' :<b> ' . $evalobj->get_max() . '</b><br>' . $average;
+        $evalinfo .= get_lang('QualificationNumeric').' :<b> '.$evalobj->get_max().'</b><br>'.$average;
 
         if (!api_is_allowed_to_edit()) {
             $evalinfo .= $student_score;
         }
 
         if (!$evalobj->has_results()) {
-            $evalinfo .= '<br /><i>' . get_lang('NoResultsInEvaluation') . '</i>';
+            $evalinfo .= '<br /><i>'.get_lang('NoResultsInEvaluation').'</i>';
         } elseif ($scoredisplay->is_custom() && api_get_self() != '/main/gradebook/gradebook_statistics.php') {
             if (api_is_allowed_to_edit(null, true)) {
                 if ($page != 'statistics') {
@@ -110,7 +110,7 @@ 
         }
         if ($page != 'statistics') {
             if (api_is_allowed_to_edit(null, true)) {
-                $evalinfo .= '<br /><a href="gradebook_statistics.php?' . api_get_cidreq() . '&selecteval=' . Security::remove_XSS($_GET['selecteval']) . '"> ' . Display::return_icon(('statistics.png'), get_lang('ViewStatistics'), '', ICON_SIZE_MEDIUM) . '</a>';
+                $evalinfo .= '<br /><a href="gradebook_statistics.php?'.api_get_cidreq().'&selecteval='.Security::remove_XSS($_GET['selecteval']).'"> '.Display::return_icon(('statistics.png'), get_lang('ViewStatistics'), '', ICON_SIZE_MEDIUM).'</a>';
             }
         }
         $evalinfo .= '</td><td><img style="float:right; position:relative;" src="../img/tutorial.gif"></td></table>';
@@ -127,8 +127,8 @@ 
     public function display_header_flatview($catobj, $showeval, $showlink, $simple_search_form)
     {
         $header = '<table border="0" cellpadding="5">';
-        $header .= '<td style="vertical-align: top;"><a href="' . Security::remove_XSS($_SESSION['gradebook_dest']) . '?selectcat=' . Security::remove_XSS($_GET['selectcat']) . '">' . Display::return_icon('gradebook.gif') . get_lang('Gradebook') . '</a></td>';
-        $header .= '<td style="vertical-align: top;">' . get_lang('FilterCategory') . '</td><td style="vertical-align: top;"><form name="selector"><select name="selectcat" onchange="document.selector.submit()">';
+        $header .= '<td style="vertical-align: top;"><a href="'.Security::remove_XSS($_SESSION['gradebook_dest']).'?selectcat='.Security::remove_XSS($_GET['selectcat']).'">'.Display::return_icon('gradebook.gif').get_lang('Gradebook').'</a></td>';
+        $header .= '<td style="vertical-align: top;">'.get_lang('FilterCategory').'</td><td style="vertical-align: top;"><form name="selector"><select name="selectcat" onchange="document.selector.submit()">';
         $cats = Category :: load();
         $tree = $cats[0]->get_tree();
         unset($cats);
@@ -137,33 +137,33 @@ 
                 $line .= '&mdash;';
             }
             if ($_GET['selectcat'] == $cat[0]) {
-                $header .= '<option selected="selected" value=' . $cat[0] . '>' . $line . ' ' . $cat[1] . '</option>';
+                $header .= '<option selected="selected" value='.$cat[0].'>'.$line.' '.$cat[1].'</option>';
             } else {
-                $header .= '<option value=' . $cat[0] . '>' . $line . ' ' . $cat[1] . '</option>';
+                $header .= '<option value='.$cat[0].'>'.$line.' '.$cat[1].'</option>';
             }
             $line = '';
         }
         $header .= '</td></select></form>';
         if (!$catobj->get_id() == '0') {
-            $header .= '<td style="vertical-align: top;"><a href="' . api_get_self() . '?selectcat=' . $catobj->get_parent_id() . '"><img src="../img/gradebook.gif" border="0" alt="' . get_lang('Up') . '" /></a></td>';
+            $header .= '<td style="vertical-align: top;"><a href="'.api_get_self().'?selectcat='.$catobj->get_parent_id().'"><img src="../img/gradebook.gif" border="0" alt="'.get_lang('Up').'" /></a></td>';
         }
-        $header .= '<td style="vertical-align: top;">' . $simple_search_form->toHtml() . '</td>';
+        $header .= '<td style="vertical-align: top;">'.$simple_search_form->toHtml().'</td>';
         $header .= '<td style="vertical-align: top;">
-                    <a href="' . api_get_self() . '?exportpdf=&offset=' . Security::remove_XSS($_GET['offset']) . '&search=' . Security::remove_XSS($_GET['search']) . '&selectcat=' . $catobj->get_id() . '">
+                    <a href="' . api_get_self().'?exportpdf=&offset='.Security::remove_XSS($_GET['offset']).'&search='.Security::remove_XSS($_GET['search']).'&selectcat='.$catobj->get_id().'">
                      '.Display::return_icon('pdf.png', get_lang('ExportPDF'), [], ICON_SIZE_MEDIUM).'
-                    ' . get_lang('ExportPDF') . '</a>';
+                    ' . get_lang('ExportPDF').'</a>';
         $header .= '<td style="vertical-align: top;">
-                    <a href="' . api_get_self() . '?print=&selectcat=' . $catobj->get_id() . '" target="_blank">
+                    <a href="' . api_get_self().'?print=&selectcat='.$catobj->get_id().'" target="_blank">
                      '.Display::return_icon('printer.png', get_lang('Print'), [], ICON_SIZE_MEDIUM).'
-                    ' . get_lang('Print') . '</a>';
+                    ' . get_lang('Print').'</a>';
         $header .= '</td></tr></table>';
         if (!$catobj->get_id() == '0') {
-            $header .= '<table border="0" cellpadding="5"><tr><td><form name="itemfilter" method="post" action="' . api_get_self() . '?selectcat=' . $catobj->get_id() . '">
-            <input type="checkbox" name="showeval" onclick="document.itemfilter.submit()" ' . (($showeval == '1') ? 'checked' : '') . '>Show Evaluations &nbsp;';
-            $header .= '<input type="checkbox" name="showlink" onclick="document.itemfilter.submit()" ' . (($showlink == '1') ? 'checked' : '') . '>' . get_lang('ShowLinks') . '</form></td></tr></table>';
+            $header .= '<table border="0" cellpadding="5"><tr><td><form name="itemfilter" method="post" action="'.api_get_self().'?selectcat='.$catobj->get_id().'">
+            <input type="checkbox" name="showeval" onclick="document.itemfilter.submit()" ' . (($showeval == '1') ? 'checked' : '').'>Show Evaluations &nbsp;';
+            $header .= '<input type="checkbox" name="showlink" onclick="document.itemfilter.submit()" '.(($showlink == '1') ? 'checked' : '').'>'.get_lang('ShowLinks').'</form></td></tr></table>';
         }
         if (isset($_GET['search'])) {
-            $header .= '<b>' . get_lang('SearchResults') . ' :</b>';
+            $header .= '<b>'.get_lang('SearchResults').' :</b>';
         }
         echo $header;
     }
@@ -184,23 +184,23 @@ 
             $select_cat = $catobj->get_parent_id();
             $url = 'gradebook_flatview.php';
         }
-        $header .= '<a href="' . $url . '?' . api_get_cidreq() . '&selectcat=' . $select_cat . '">' .
-            Display::return_icon('back.png', get_lang('FolderView'), '', ICON_SIZE_MEDIUM) . '</a>';
+        $header .= '<a href="'.$url.'?'.api_get_cidreq().'&selectcat='.$select_cat.'">'.
+            Display::return_icon('back.png', get_lang('FolderView'), '', ICON_SIZE_MEDIUM).'</a>';
 
         $pageNum = isset($_GET['flatviewlist_page_nr']) ? intval($_GET['flatviewlist_page_nr']) : '';
         $perPage = isset($_GET['flatviewlist_per_page']) ? intval($_GET['flatviewlist_per_page']) : '';
         $offset = isset($_GET['offset']) ? $_GET['offset'] : '0';
 
-        $header .= '<a href="' . api_get_self() . '?'.api_get_cidreq().'&export_format=csv&export_report=export_report&selectcat=' . $catobj->get_id() . '">' .
-            Display::return_icon('export_csv.png', get_lang('ExportAsCSV'), '', ICON_SIZE_MEDIUM) . '</a>';
-        $header .= '<a href="' . api_get_self() . '?'.api_get_cidreq().'&export_format=xls&export_report=export_report&selectcat=' . $catobj->get_id() . '">' .
-            Display::return_icon('export_excel.png', get_lang('ExportAsXLS'), '', ICON_SIZE_MEDIUM) . '</a>';
-        $header .= '<a href="' . api_get_self() . '?'.api_get_cidreq().'&export_format=doc&export_report=export_report&selectcat=' . $catobj->get_id() . '">' .
-            Display::return_icon('export_doc.png', get_lang('ExportAsDOC'), '', ICON_SIZE_MEDIUM) . '</a>';
-        $header .= '<a href="' . api_get_self() . '?'.api_get_cidreq().'&print=&selectcat=' . $catobj->get_id() . '" target="_blank">' .
-            Display::return_icon('printer.png', get_lang('Print'), '', ICON_SIZE_MEDIUM) . '</a>';
-        $header .= '<a href="' . api_get_self() . '?'.api_get_cidreq().'&exportpdf=&selectcat=' . $catobj->get_id().'&offset='.$offset.'&flatviewlist_page_nr='.$pageNum.'&flatviewlist_per_page='.$perPage.'" >' .
-            Display::return_icon('pdf.png', get_lang('ExportToPDF'), '', ICON_SIZE_MEDIUM) . '</a>';
+        $header .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&export_format=csv&export_report=export_report&selectcat='.$catobj->get_id().'">'.
+            Display::return_icon('export_csv.png', get_lang('ExportAsCSV'), '', ICON_SIZE_MEDIUM).'</a>';
+        $header .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&export_format=xls&export_report=export_report&selectcat='.$catobj->get_id().'">'.
+            Display::return_icon('export_excel.png', get_lang('ExportAsXLS'), '', ICON_SIZE_MEDIUM).'</a>';
+        $header .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&export_format=doc&export_report=export_report&selectcat='.$catobj->get_id().'">'.
+            Display::return_icon('export_doc.png', get_lang('ExportAsDOC'), '', ICON_SIZE_MEDIUM).'</a>';
+        $header .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&print=&selectcat='.$catobj->get_id().'" target="_blank">'.
+            Display::return_icon('printer.png', get_lang('Print'), '', ICON_SIZE_MEDIUM).'</a>';
+        $header .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&exportpdf=&selectcat='.$catobj->get_id().'&offset='.$offset.'&flatviewlist_page_nr='.$pageNum.'&flatviewlist_per_page='.$perPage.'" >'.
+            Display::return_icon('pdf.png', get_lang('ExportToPDF'), '', ICON_SIZE_MEDIUM).'</a>';
         $header .= '</div>';
         echo $header;
     }
@@ -241,8 +241,8 @@ 
                 $item = $evals_links[$count];
                 $score = $item->calc_score($user_id);
                 $my_score_denom = ($score[1] == 0) ? 1 : $score[1];
-                $item_value+=$score[0] / $my_score_denom * $item->get_weight();
-                $item_total+=$item->get_weight();
+                $item_value += $score[0] / $my_score_denom * $item->get_weight();
+                $item_total += $item->get_weight();
             }
             $item_value = number_format($item_value, 2, '.', ' ');
             $total_score = array($item_value, $item_total);
@@ -251,9 +251,9 @@ 
             $cattotal = Category :: load(0);
             $scoretotal = $cattotal[0]->calc_score(api_get_user_id());
             $scoretotal_display = (isset($scoretotal) ? $scoredisplay->display_score($scoretotal, SCORE_PERCENT) : get_lang('NoResultsAvailable'));
-            $scoreinfo = get_lang('StatsStudent') . ' :<b> ' . api_get_person_name($user['firstname'], $user['lastname']) . '</b><br />';
+            $scoreinfo = get_lang('StatsStudent').' :<b> '.api_get_person_name($user['firstname'], $user['lastname']).'</b><br />';
             if ((!$catobj->get_id() == '0') && (!isset($_GET['studentoverview'])) && (!isset($_GET['search']))) {
-                $scoreinfo.= '<h2>' . get_lang('Total') . ' : ' . $scorecourse_display . '</h2>';
+                $scoreinfo .= '<h2>'.get_lang('Total').' : '.$scorecourse_display.'</h2>';
             }
             Display :: display_normal_message($scoreinfo, false);
         }
@@ -263,9 +263,9 @@ 
         if (($showtree == '1') || (isset($_GET['studentoverview']))) {
             $header .= '<tr>';
             if (!$selectcat == '0') {
-                $header .= '<td style=" "><a href="' . api_get_self() . '?selectcat=' . $catobj->get_parent_id() . '">' . Display::return_icon('back.png', get_lang('BackTo') . ' ' . get_lang('RootCat'), '', ICON_SIZE_MEDIUM) . '</a></td>';
+                $header .= '<td style=" "><a href="'.api_get_self().'?selectcat='.$catobj->get_parent_id().'">'.Display::return_icon('back.png', get_lang('BackTo').' '.get_lang('RootCat'), '', ICON_SIZE_MEDIUM).'</a></td>';
             }
-            $header .= '<td style=" ">' . get_lang('CurrentCategory') . '</td>' .
+            $header .= '<td style=" ">'.get_lang('CurrentCategory').'</td>'.
                     '<td style=" "><form name="selector"><select name="selectcat" onchange="document.selector.submit()">';
             $cats = Category :: load();
 
@@ -278,15 +278,15 @@ 
                 }
                 $line = isset($line) ? $line : '';
                 if (isset($_GET['selectcat']) && $_GET['selectcat'] == $cat[0]) {
-                    $header .= '<option selected value=' . $cat[0] . '>' . $line . ' ' . $cat[1] . '</option>';
+                    $header .= '<option selected value='.$cat[0].'>'.$line.' '.$cat[1].'</option>';
                 } else {
-                    $header .= '<option value=' . $cat[0] . '>' . $line . ' ' . $cat[1] . '</option>';
+                    $header .= '<option value='.$cat[0].'>'.$line.' '.$cat[1].'</option>';
                 }
                 $line = '';
             }
             $header .= '</select></form></td>';
             if (!empty($simple_search_form) && $message_resource === false) {
-                $header .= '<td style="vertical-align: top;">' . $simple_search_form->toHtml() . '</td>';
+                $header .= '<td style="vertical-align: top;">'.$simple_search_form->toHtml().'</td>';
             } else {
                 $header .= '<td></td>';
             }
@@ -300,13 +300,13 @@ 
                     //$header .= '<td style="vertical-align: top;"><a href="'.api_get_self().'?'.api_get_cidreq().'&studentoverview=&selectcat=' . $catobj->get_id() . '"><img src="../img/view_list.gif" alt="' . get_lang('FlatView') . '" /> ' . get_lang('FlatView') . '</a>';
                 }
             } else {
-                $header .= '<td style="vertical-align: top;"><a href="' . api_get_self() . '?' . api_get_cidreq() . '&studentoverview=&exportpdf=&selectcat=' . $catobj->get_id() . '" target="_blank">
+                $header .= '<td style="vertical-align: top;"><a href="'.api_get_self().'?'.api_get_cidreq().'&studentoverview=&exportpdf=&selectcat='.$catobj->get_id().'" target="_blank">
                 '.Display::return_icon('pdf.png', get_lang('ExportPDF'), [], ICON_SIZE_MEDIUM).'
-                ' . get_lang('ExportPDF') . '</a>';
+                ' . get_lang('ExportPDF').'</a>';
             }
             $header .= '</td></tr>';
         }
-        $header.='</table></div>';
+        $header .= '</table></div>';
 
         // for course admin & platform admin add item buttons are added to the header
         $header .= '<div class="actions">';
@@ -336,7 +336,7 @@ 
                 $my_category = $catobj->shows_all_information_an_category($catobj->get_id());
                 $my_api_cidreq = api_get_cidreq();
                 if ($my_api_cidreq == '') {
-                    $my_api_cidreq = 'cidReq=' . $my_category['course_code'];
+                    $my_api_cidreq = 'cidReq='.$my_category['course_code'];
                 }
                 if ($show_add_link && !$message_resource) {
                     //$header .= '<td><a href="gradebook_add_eval.php?'.$my_api_cidreq.'&selectcat=' . $catobj->get_id() . '" >'.Display::return_icon('new_evaluation.png', get_lang('NewEvaluation'),'',ICON_SIZE_MEDIUM).'</a>';
@@ -355,28 +355,28 @@ 
                     $my_course_id = api_get_course_id();
                     $my_file = substr($_SESSION['gradebook_dest'], 0, 5);
 
-                    $header .= '<td style="vertical-align: top;"><a href="gradebook_flatview.php?' . $my_api_cidreq . '&selectcat=' . $catobj->get_id() . '">' .
-                        Display::return_icon('stats.png', get_lang('FlatView'), '', ICON_SIZE_MEDIUM) . '</a>';
-                    $header .= '<td style="vertical-align: top;"><a href="gradebook_display_certificate.php?' . $my_api_cidreq . '&amp;cat_id=' . (int) $_GET['selectcat'] . '">' .
-                        Display::return_icon('certificate_list.png', get_lang('GradebookSeeListOfStudentsCertificates'), '', ICON_SIZE_MEDIUM) . '</a>';
+                    $header .= '<td style="vertical-align: top;"><a href="gradebook_flatview.php?'.$my_api_cidreq.'&selectcat='.$catobj->get_id().'">'.
+                        Display::return_icon('stats.png', get_lang('FlatView'), '', ICON_SIZE_MEDIUM).'</a>';
+                    $header .= '<td style="vertical-align: top;"><a href="gradebook_display_certificate.php?'.$my_api_cidreq.'&amp;cat_id='.(int) $_GET['selectcat'].'">'.
+                        Display::return_icon('certificate_list.png', get_lang('GradebookSeeListOfStudentsCertificates'), '', ICON_SIZE_MEDIUM).'</a>';
 
                     $visibility_icon = ($catobj->is_visible() == 0) ? 'invisible' : 'visible';
                     $visibility_command = ($catobj->is_visible() == 0) ? 'set_visible' : 'set_invisible';
 
                     //Right icons
-                    $modify_icons = '<a href="gradebook_edit_cat.php?editcat=' . $catobj->get_id() . '&cidReq=' . $catobj->get_course_code() . '&id_session='.$catobj->get_session_id(). '">' . Display::return_icon('edit.png', get_lang('Edit'), '', ICON_SIZE_MEDIUM) . '</a>';
+                    $modify_icons = '<a href="gradebook_edit_cat.php?editcat='.$catobj->get_id().'&cidReq='.$catobj->get_course_code().'&id_session='.$catobj->get_session_id().'">'.Display::return_icon('edit.png', get_lang('Edit'), '', ICON_SIZE_MEDIUM).'</a>';
                     //$modify_icons .= '<a href="../document/document.php?curdirpath=/certificates&'.$my_api_cidreq.'&origin=gradebook&selectcat=' . $catobj->get_id() . '">'.
                     //Display::return_icon('certificate.png', get_lang('AttachCertificate'),'',ICON_SIZE_MEDIUM).'</a>';
                     //hide or delete are not options available
                     //$modify_icons .= '&nbsp;<a  href="' . api_get_self() . '?visiblecat=' . $catobj->get_id() . '&amp;' . $visibility_command . '=&amp;selectcat=0 ">'.Display::return_icon($visibility_icon.'.png', get_lang('Visible'),'',ICON_SIZE_MEDIUM).'</a>';
                     if ($catobj->get_name() != api_get_course_id()) {
-                        $modify_icons .= '&nbsp;<a  href="' . api_get_self() . '?deletecat=' . $catobj->get_id() . '&amp;selectcat=0&amp;cidReq=' . $catobj->get_course_code() . '" onclick="return confirmation();">' . Display::return_icon('delete.png', get_lang('DeleteAll'), '', ICON_SIZE_MEDIUM) . '</a>';
+                        $modify_icons .= '&nbsp;<a  href="'.api_get_self().'?deletecat='.$catobj->get_id().'&amp;selectcat=0&amp;cidReq='.$catobj->get_course_code().'" onclick="return confirmation();">'.Display::return_icon('delete.png', get_lang('DeleteAll'), '', ICON_SIZE_MEDIUM).'</a>';
                     }
                     $header .= Display::div($modify_icons, array('class' => 'right'));
                 }
             }
         } elseif (isset($_GET['search'])) {
-            $header .= '<b>' . get_lang('SearchResults') . ' :</b>';
+            $header .= '<b>'.get_lang('SearchResults').' :</b>';
         }
         $header .= '</div>';
         echo $header;
@@ -488,7 +488,7 @@ 
                     $aditionalButtons .= isset($certificateLinkInfo['badge_link']) ? $certificateLinkInfo['badge_link'] : '';
                     $aditionalButtons .= '</div>';
                 }
-                $scoreinfo .= '<strong>' . sprintf(get_lang('TotalX'), $scorecourse_display . $aditionalButtons). '</strong>';
+                $scoreinfo .= '<strong>'.sprintf(get_lang('TotalX'), $scorecourse_display.$aditionalButtons).'</strong>';
 
             }
             Display :: display_normal_message($scoreinfo, false);
@@ -499,10 +499,10 @@ 
             $header = '<div class="actions"><table>';
             $header .= '<tr>';
             if (!$selectcat == '0') {
-                $header .= '<td><a href="' . api_get_self() . '?selectcat=' . $catobj->get_parent_id() . '">' .
-                    Display::return_icon('back.png', get_lang('BackTo') . ' ' . get_lang('RootCat'), '', ICON_SIZE_MEDIUM) . '</a></td>';
+                $header .= '<td><a href="'.api_get_self().'?selectcat='.$catobj->get_parent_id().'">'.
+                    Display::return_icon('back.png', get_lang('BackTo').' '.get_lang('RootCat'), '', ICON_SIZE_MEDIUM).'</a></td>';
             }
-            $header .= '<td>' . get_lang('CurrentCategory') . '</td>' .
+            $header .= '<td>'.get_lang('CurrentCategory').'</td>'.
                     '<td><form name="selector"><select name="selectcat" onchange="document.selector.submit()">';
             $cats = Category :: load();
 
@@ -515,15 +515,15 @@ 
                 }
                 $line = isset($line) ? $line : '';
                 if (isset($_GET['selectcat']) && $_GET['selectcat'] == $cat[0]) {
-                    $header .= '<option selected value=' . $cat[0] . '>' . $line . ' ' . $cat[1] . '</option>';
+                    $header .= '<option selected value='.$cat[0].'>'.$line.' '.$cat[1].'</option>';
                 } else {
-                    $header .= '<option value=' . $cat[0] . '>' . $line . ' ' . $cat[1] . '</option>';
+                    $header .= '<option value='.$cat[0].'>'.$line.' '.$cat[1].'</option>';
                 }
                 $line = '';
             }
             $header .= '</select></form></td>';
             if (!empty($simple_search_form) && $message_resource === false) {
-                $header .= '<td style="vertical-align: top;">' . $simple_search_form->toHtml() . '</td>';
+                $header .= '<td style="vertical-align: top;">'.$simple_search_form->toHtml().'</td>';
             } else {
                 $header .= '<td></td>';
             }
@@ -540,9 +540,9 @@ 
                     //$header .= '<td style="vertical-align: top;"><a href="'.api_get_self().'?'.api_get_cidreq().'&studentoverview=&selectcat=' . $catobj->get_id() . '"><img src="../img/view_list.gif" alt="' . get_lang('FlatView') . '" /> ' . get_lang('FlatView') . '</a>';
                 }
             } else {
-                $header .= '<td style="vertical-align: top;"><a href="' . api_get_self() . '?' . api_get_cidreq() . '&studentoverview=&exportpdf=&selectcat=' . $catobj->get_id() . '" target="_blank">
+                $header .= '<td style="vertical-align: top;"><a href="'.api_get_self().'?'.api_get_cidreq().'&studentoverview=&exportpdf=&selectcat='.$catobj->get_id().'" target="_blank">
 							 '.Display::return_icon('pdf.png', get_lang('ExportPDF'), [], ICON_SIZE_MEDIUM).'
-							' . get_lang('ExportPDF') . '</a>';
+							' . get_lang('ExportPDF').'</a>';
             }
             $header .= '</td></tr>';
             $header .= '</table></div>';
@@ -557,33 +557,33 @@ 
 
         if (api_is_allowed_to_edit(null, true)) {
             if (empty($grade_model_id) || $grade_model_id == -1) {
-                $actionsLeft .= '<a href="gradebook_add_cat.php?' . api_get_cidreq() . '&selectcat=' . $catobj->get_id() . '">' .
-                    Display::return_icon('new_folder.png', get_lang('AddGradebook'), array(), ICON_SIZE_MEDIUM) . '</a></td>';
+                $actionsLeft .= '<a href="gradebook_add_cat.php?'.api_get_cidreq().'&selectcat='.$catobj->get_id().'">'.
+                    Display::return_icon('new_folder.png', get_lang('AddGradebook'), array(), ICON_SIZE_MEDIUM).'</a></td>';
             }
             if ($selectcat == '0') {
 
             } else {
                 $my_category = $catobj->shows_all_information_an_category($catobj->get_id());
                 if ($my_api_cidreq == '') {
-                    $my_api_cidreq = 'cidReq=' . $my_category['course_code'];
+                    $my_api_cidreq = 'cidReq='.$my_category['course_code'];
                 }
                 if ($show_add_link && !$message_resource) {
-                   $actionsLeft .= '<a href="gradebook_add_eval.php?' . $my_api_cidreq . '&selectcat=' . $catobj->get_id() . '" >' .
-                        Display::return_icon('new_evaluation.png', get_lang('NewEvaluation'), '', ICON_SIZE_MEDIUM) . '</a>';
+                   $actionsLeft .= '<a href="gradebook_add_eval.php?'.$my_api_cidreq.'&selectcat='.$catobj->get_id().'" >'.
+                        Display::return_icon('new_evaluation.png', get_lang('NewEvaluation'), '', ICON_SIZE_MEDIUM).'</a>';
                     $cats = Category :: load($selectcat);
 
                     if ($cats[0]->get_course_code() != null && !$message_resource) {
-                        $actionsLeft .= '<a href="gradebook_add_link.php?' . $my_api_cidreq . '&selectcat=' . $catobj->get_id() . '">' .
-                            Display::return_icon('new_online_evaluation.png', get_lang('MakeLink'), '', ICON_SIZE_MEDIUM) . '</a>';
+                        $actionsLeft .= '<a href="gradebook_add_link.php?'.$my_api_cidreq.'&selectcat='.$catobj->get_id().'">'.
+                            Display::return_icon('new_online_evaluation.png', get_lang('MakeLink'), '', ICON_SIZE_MEDIUM).'</a>';
                     } else {
-                        $actionsLeft .= '<a href="gradebook_add_link_select_course.php?' . $my_api_cidreq . '&selectcat=' . $catobj->get_id() . '">' .
-                            Display::return_icon('new_online_evaluation.png', get_lang('MakeLink'), '', ICON_SIZE_MEDIUM) . '</a>';
+                        $actionsLeft .= '<a href="gradebook_add_link_select_course.php?'.$my_api_cidreq.'&selectcat='.$catobj->get_id().'">'.
+                            Display::return_icon('new_online_evaluation.png', get_lang('MakeLink'), '', ICON_SIZE_MEDIUM).'</a>';
                     }
                 }
 
                 if (!$message_resource) {
-                    $actionsLeft .= '<a href="gradebook_flatview.php?' . $my_api_cidreq . '&selectcat=' . $catobj->get_id() . '">' .
-                        Display::return_icon('stats.png', get_lang('FlatView'), '', ICON_SIZE_MEDIUM) . '</a>';
+                    $actionsLeft .= '<a href="gradebook_flatview.php?'.$my_api_cidreq.'&selectcat='.$catobj->get_id().'">'.
+                        Display::return_icon('stats.png', get_lang('FlatView'), '', ICON_SIZE_MEDIUM).'</a>';
 
                     if ($my_category['generate_certificates'] == 1) {
                         $actionsLeft .= Display::url(
@@ -593,7 +593,7 @@ 
                                         '',
                                         ICON_SIZE_MEDIUM
                                         ),
-                                "gradebook_display_certificate.php?$my_api_cidreq&cat_id=" . intval($_GET['selectcat'])
+                                "gradebook_display_certificate.php?$my_api_cidreq&cat_id=".intval($_GET['selectcat'])
                             );
                     }
 
@@ -604,30 +604,30 @@ 
                                     '',
                                     ICON_SIZE_MEDIUM
                                     ),
-                            "gradebook_display_summary.php?$my_api_cidreq&selectcat=" . intval($_GET['selectcat'])
+                            "gradebook_display_summary.php?$my_api_cidreq&selectcat=".intval($_GET['selectcat'])
                         );
 
 
                     // Right icons
-                    $actionsRight = '<a href="gradebook_edit_cat.php?editcat=' . $catobj->get_id() . '&amp;cidReq=' . $catobj->get_course_code() . '&id_session='.$catobj->get_session_id(). '">' .
-                        Display::return_icon('edit.png', get_lang('Edit'), '', ICON_SIZE_MEDIUM) . '</a>';
-                    $actionsRight .= '<a href="../document/document.php?curdirpath=/certificates&' . $my_api_cidreq . '&origin=gradebook&selectcat=' . $catobj->get_id() . '">' .
-                            Display::return_icon('certificate.png', get_lang('AttachCertificate'), '', ICON_SIZE_MEDIUM) . '</a>';
+                    $actionsRight = '<a href="gradebook_edit_cat.php?editcat='.$catobj->get_id().'&amp;cidReq='.$catobj->get_course_code().'&id_session='.$catobj->get_session_id().'">'.
+                        Display::return_icon('edit.png', get_lang('Edit'), '', ICON_SIZE_MEDIUM).'</a>';
+                    $actionsRight .= '<a href="../document/document.php?curdirpath=/certificates&'.$my_api_cidreq.'&origin=gradebook&selectcat='.$catobj->get_id().'">'.
+                            Display::return_icon('certificate.png', get_lang('AttachCertificate'), '', ICON_SIZE_MEDIUM).'</a>';
 
                     if (empty($categories)) {
-                        $actionsRight .= '<a href="gradebook_edit_all.php?id_session=' . api_get_session_id() . '&amp;' . $my_api_cidreq . '&selectcat=' . $catobj->get_id() . '">' .
-                            Display::return_icon('percentage.png', get_lang('EditAllWeights'), '', ICON_SIZE_MEDIUM) . '</a>';
+                        $actionsRight .= '<a href="gradebook_edit_all.php?id_session='.api_get_session_id().'&amp;'.$my_api_cidreq.'&selectcat='.$catobj->get_id().'">'.
+                            Display::return_icon('percentage.png', get_lang('EditAllWeights'), '', ICON_SIZE_MEDIUM).'</a>';
                     }
                     $score_display_custom = api_get_setting('gradebook_score_display_custom');
                     if (api_get_setting('teachers_can_change_score_settings') == 'true' && $score_display_custom['my_display_custom'] == 'true') {
-                        $actionsRight .= '<a href="gradebook_scoring_system.php?' . $my_api_cidreq . '&selectcat=' . $catobj->get_id() . '">' .
-                            Display::return_icon('ranking.png', get_lang('ScoreEdit'), '', ICON_SIZE_MEDIUM) . '</a>';
+                        $actionsRight .= '<a href="gradebook_scoring_system.php?'.$my_api_cidreq.'&selectcat='.$catobj->get_id().'">'.
+                            Display::return_icon('ranking.png', get_lang('ScoreEdit'), '', ICON_SIZE_MEDIUM).'</a>';
                     }
 
                 }
             }
         } elseif (isset($_GET['search'])) {
-            echo $header = '<b>' . get_lang('SearchResults') . ' :</b>';
+            echo $header = '<b>'.get_lang('SearchResults').' :</b>';
         }
 
         $isDrhOfCourse = CourseManager::isUserSubscribedInCourseAsDrh(
@@ -636,26 +636,26 @@ 
         );
 
         if ($isDrhOfCourse) {
-            $$actionsLeft .= '<a href="gradebook_flatview.php?' . $my_api_cidreq . '&selectcat=' . $catobj->get_id() . '">' .
-                Display::return_icon('stats.png', get_lang('FlatView'), '', ICON_SIZE_MEDIUM) . '</a>';
+            $$actionsLeft .= '<a href="gradebook_flatview.php?'.$my_api_cidreq.'&selectcat='.$catobj->get_id().'">'.
+                Display::return_icon('stats.png', get_lang('FlatView'), '', ICON_SIZE_MEDIUM).'</a>';
         }
 
-        if (api_is_allowed_to_edit(null, true)){
-            echo $toolbar = Display::toolbarAction('gradebook-actions', array(0 => $actionsLeft, 1 => $actionsRight ));
+        if (api_is_allowed_to_edit(null, true)) {
+            echo $toolbar = Display::toolbarAction('gradebook-actions', array(0 => $actionsLeft, 1 => $actionsRight));
         }
 
         if (api_is_allowed_to_edit(null, true)) {
             $weight = intval($catobj->get_weight()) > 0 ? $catobj->get_weight() : 0;
-            $weight = '<strong>' . get_lang('TotalWeight') . ' : </strong>' . $weight;
+            $weight = '<strong>'.get_lang('TotalWeight').' : </strong>'.$weight;
 
             $min_certification = (intval($catobj->get_certificate_min_score() > 0) ? $catobj->get_certificate_min_score() : 0);
-            $min_certification = get_lang('CertificateMinScore') . ' : ' . $min_certification;
-            $edit_icon = '<a href="gradebook_edit_cat.php?editcat=' . $catobj->get_id() . '&amp;cidReq=' . $catobj->get_course_code() . '&id_session='.$catobj->get_session_id(). '">' .
-                Display::return_icon('edit.png', get_lang('Edit'), array(), ICON_SIZE_SMALL) . '</a>';
+            $min_certification = get_lang('CertificateMinScore').' : '.$min_certification;
+            $edit_icon = '<a href="gradebook_edit_cat.php?editcat='.$catobj->get_id().'&amp;cidReq='.$catobj->get_course_code().'&id_session='.$catobj->get_session_id().'">'.
+                Display::return_icon('edit.png', get_lang('Edit'), array(), ICON_SIZE_SMALL).'</a>';
             //$msg = Display::tag('h3', $weight.' - '.$min_certification);
-            $msg = $weight . ' - ' . $min_certification . $edit_icon;
+            $msg = $weight.' - '.$min_certification.$edit_icon;
             //@todo show description
-            $description = (($catobj->get_description() == "" || is_null($catobj->get_description())) ? '' : '<strong>' . get_lang('GradebookDescriptionLog') . '</strong>' . ': ' . $catobj->get_description());
+            $description = (($catobj->get_description() == "" || is_null($catobj->get_description())) ? '' : '<strong>'.get_lang('GradebookDescriptionLog').'</strong>'.': '.$catobj->get_description());
             Display::display_normal_message($msg, false);
             if (!empty($description)) {
                 echo Display::div($description, array());
@@ -683,24 +683,24 @@ 
             $cattotal = Category :: load(0);
             $scoretotal = $cattotal[0]->calc_score(api_get_user_id());
             $scoretotal_display = (isset($scoretotal) ? $scoredisplay->display_score($scoretotal, SCORE_PERCENT) : get_lang('NoResultsAvailable'));
-            $scoreinfo = get_lang('StatsStudent') . ' :<b> ' . $user['complete_name']. '</b><br />';
+            $scoreinfo = get_lang('StatsStudent').' :<b> '.$user['complete_name'].'</b><br />';
             if ((!$catobj->get_id() == '0') && (!isset($_GET['studentoverview'])) && (!isset($_GET['search'])))
-                $scoreinfo.= '<br />' . get_lang('TotalForThisCategory') . ' : <b>' . $scorecourse_display . '</b>';
-            $scoreinfo.= '<br />' . get_lang('Total') . ' : <b>' . $scoretotal_display . '</b>';
+                $scoreinfo .= '<br />'.get_lang('TotalForThisCategory').' : <b>'.$scorecourse_display.'</b>';
+            $scoreinfo .= '<br />'.get_lang('Total').' : <b>'.$scoretotal_display.'</b>';
             Display :: display_normal_message($scoreinfo, false);
         }
         // show navigation tree and buttons?
         $header = '<div class="actions">';
 
         if ($is_course_admin) {
-            $header .= '<a href="gradebook_flatview.php?' . api_get_cidreq() . '&selectcat=' . $catobj->get_id() . '">' . Display::return_icon('stats.png', get_lang('FlatView'), '', ICON_SIZE_MEDIUM) . '</a>';
-            $header .= '<a href="gradebook_scoring_system.php?' . api_get_cidreq() . '&selectcat=' . $catobj->get_id() . '">' . Display::return_icon('settings.png', get_lang('ScoreEdit'), '', ICON_SIZE_MEDIUM) . '</a>';
+            $header .= '<a href="gradebook_flatview.php?'.api_get_cidreq().'&selectcat='.$catobj->get_id().'">'.Display::return_icon('stats.png', get_lang('FlatView'), '', ICON_SIZE_MEDIUM).'</a>';
+            $header .= '<a href="gradebook_scoring_system.php?'.api_get_cidreq().'&selectcat='.$catobj->get_id().'">'.Display::return_icon('settings.png', get_lang('ScoreEdit'), '', ICON_SIZE_MEDIUM).'</a>';
         } elseif (!(isset($_GET['studentoverview']))) {
-            $header .= '<a href="' . api_get_self() . '?' . api_get_cidreq() . '&studentoverview=&selectcat=' . $catobj->get_id() . '">' . Display::return_icon('view_list.gif', get_lang('FlatView')) . ' ' . get_lang('FlatView') . '</a>';
+            $header .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&studentoverview=&selectcat='.$catobj->get_id().'">'.Display::return_icon('view_list.gif', get_lang('FlatView')).' '.get_lang('FlatView').'</a>';
         } else {
-            $header .= '<a href="' . api_get_self() . '?' . api_get_cidreq() . '&studentoverview=&exportpdf=&selectcat=' . $catobj->get_id() . '" target="_blank">' . Display::return_icon('pdf.png', get_lang('ExportPDF'), '', ICON_SIZE_MEDIUM) . '</a>';
+            $header .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&studentoverview=&exportpdf=&selectcat='.$catobj->get_id().'" target="_blank">'.Display::return_icon('pdf.png', get_lang('ExportPDF'), '', ICON_SIZE_MEDIUM).'</a>';
         }
-        $header.='</div>';
+        $header .= '</div>';
         echo $header;
     }
 
@@ -727,8 +727,8 @@ 
             $item = $evals_links[$count];
             $score = $item->calc_score($user_id);
             $my_score_denom = ($score[1] == 0) ? 1 : $score[1];
-            $item_value+=$score[0] / $my_score_denom * $item->get_weight();
-            $item_total+=$item->get_weight();
+            $item_value += $score[0] / $my_score_denom * $item->get_weight();
+            $item_total += $item->get_weight();
             //$row[] = $scoredisplay->display_score($score,SCORE_DIV_PERCENT);
         }
         $item_value = number_format($item_value, 2, '.', ' ');
@@ -743,17 +743,17 @@ 
         $imageUrl = UserManager::getUserPicture($userid);
 
         $info = '<div class="row"><div class="col-md-3">';
-        $info .= '<div class="thumbnail"><img src="' . $imageUrl . '" /></div>';
+        $info .= '<div class="thumbnail"><img src="'.$imageUrl.'" /></div>';
         $info .= '</div>';
         $info .= '<div class="col-md-6">';
-        $info .= get_lang('Name') . ' :  <a target="_blank" href="' . api_get_path(WEB_CODE_PATH) . 'social/profile.php?u=' . $userid . '"> ' .
-            $user['complete_name'] . '</a><br />';
+        $info .= get_lang('Name').' :  <a target="_blank" href="'.api_get_path(WEB_CODE_PATH).'social/profile.php?u='.$userid.'"> '.
+            $user['complete_name'].'</a><br />';
 
         if (api_get_setting('show_email_addresses') == 'true') {
-            $info .= get_lang('Email') . ' : <a href="mailto:' . $user['email'] . '">' . $user['email'] . '</a><br />';
+            $info .= get_lang('Email').' : <a href="mailto:'.$user['email'].'">'.$user['email'].'</a><br />';
         }
 
-        $info .= get_lang('TotalUser') . ' : <b>' . $scorecourse_display . '</b>';
+        $info .= get_lang('TotalUser').' : <b>'.$scorecourse_display.'</b>';
         $info .= '</div>';
         $info .= '</div>';
 

main/newscorm/learnpath.class.php

Spacing +685 added lines, -685 removed lines

@@ -53,7 +53,7 @@ 
     // Percentage progress as saved in the db.
     public $progress_db = '0';
     public $proximity; // Wether the content is distant or local or unknown.
-    public $refs_list = array (); //list of items by ref => db_id. Used only for prerequisites match.
+    public $refs_list = array(); //list of items by ref => db_id. Used only for prerequisites match.
     // !!!This array (refs_list) is built differently depending on the nature of the LP.
     // If SCORM, uses ref, if Chamilo, uses id to keep a unique value.
     public $type; //type of learnpath. Could be 'dokeos', 'scorm', 'scorm2004', 'aicc', ...
@@ -154,7 +154,7 @@ 
                 }
 
                 if ($row['expired_on'] != '0000-00-00 00:00:00') {
-                    $this->expired_on  = $row['expired_on'];
+                    $this->expired_on = $row['expired_on'];
                 }
                 if ($this->type == 2) {
                     if ($row['force_commit'] == 1) {
@@ -198,12 +198,12 @@ 
                 ORDER BY view_count DESC";
         $res = Database::query($sql);
         if ($this->debug > 2) {
-            error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - querying lp_view: ' . $sql, 0);
+            error_log('New LP - learnpath::__construct() '.__LINE__.' - querying lp_view: '.$sql, 0);
         }
 
         if (Database :: num_rows($res) > 0) {
             if ($this->debug > 2) {
-                error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - Found previous view', 0);
+                error_log('New LP - learnpath::__construct() '.__LINE__.' - Found previous view', 0);
             }
             $row = Database :: fetch_array($res);
             $this->attempt = $row['view_count'];
@@ -213,7 +213,7 @@ 
             $this->lp_view_session_id = $row['session_id'];
         } else if (!api_is_invitee()) {
             if ($this->debug > 2) {
-                error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - NOT Found previous view', 0);
+                error_log('New LP - learnpath::__construct() '.__LINE__.' - NOT Found previous view', 0);
             }
             $this->attempt = 1;
             $params = [
@@ -228,7 +228,7 @@ 
             $this->lp_view_id = Database::insert_id();
 
             if ($this->debug > 2) {
-                error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - inserting new lp_view: ' . $sql, 0);
+                error_log('New LP - learnpath::__construct() '.__LINE__.' - inserting new lp_view: '.$sql, 0);
             }
 
             $sql = "UPDATE $lp_table SET id = iid WHERE iid = ".$this->lp_view_id;
@@ -244,7 +244,7 @@ 
         $res = Database::query($sql);
 
         if ($this->debug > 2) {
-            error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - query lp items: ' . $sql, 0);
+            error_log('New LP - learnpath::__construct() '.__LINE__.' - query lp items: '.$sql, 0);
             error_log('-- Start while--', 0);
         }
 
@@ -264,8 +264,8 @@ 
                         $this->refs_list[$oItem->ref] = $my_item_id;
                         if ($this->debug > 2) {
                             error_log(
-                                'New LP - learnpath::__construct() - ' .
-                                'aicc object with id ' . $my_item_id .
+                                'New LP - learnpath::__construct() - '.
+                                'aicc object with id '.$my_item_id.
                                 ' set in items[]',
                                 0
                             );
@@ -284,19 +284,19 @@ 
 
                         $this->refs_list[$oItem->ref] = $my_item_id;
                         if ($this->debug > 2) {
-                            error_log('New LP - object with id ' . $my_item_id . ' set in items[]', 0);
+                            error_log('New LP - object with id '.$my_item_id.' set in items[]', 0);
                         }
                     }
                     break;
                 case 1:
                 default:
                     if ($this->debug > 2) {
-                        error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - calling learnpathItem', 0);
+                        error_log('New LP - learnpath::__construct() '.__LINE__.' - calling learnpathItem', 0);
                     }
                     $oItem = new learnpathItem($row['id'], $user_id, $course_id, $row);
 
                     if ($this->debug > 2) {
-                        error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - end calling learnpathItem', 0);
+                        error_log('New LP - learnpath::__construct() '.__LINE__.' - end calling learnpathItem', 0);
                     }
                     if (is_object($oItem)) {
                         $my_item_id = $oItem->get_id();
@@ -307,8 +307,8 @@ 
                         $this->refs_list[$my_item_id] = $my_item_id;
                         if ($this->debug > 2) {
                             error_log(
-                                'New LP - learnpath::__construct() ' . __LINE__ .
-                                ' - object with id ' . $my_item_id . ' set in items[]',
+                                'New LP - learnpath::__construct() '.__LINE__.
+                                ' - object with id '.$my_item_id.' set in items[]',
                                 0);
                         }
                     }
@@ -326,13 +326,13 @@ 
                 $this->items[$row['id']]->set_lp_view($this->lp_view_id, $course_id);
                 if ($this->items[$row['id']]->get_type() == TOOL_HOTPOTATOES) {
                     $this->items[$row['id']]->current_start_time = 0;
-                    $this->items[$row['id']]->current_stop_time	= 0;
+                    $this->items[$row['id']]->current_stop_time = 0;
                 }
             }
         }
 
         if ($this->debug > 2) {
-            error_log('New LP - learnpath::__construct() ' . __LINE__ . ' ----- end while ----', 0);
+            error_log('New LP - learnpath::__construct() '.__LINE__.' ----- end while ----', 0);
         }
 
         if (!empty($lp_item_id_list)) {
@@ -424,7 +424,7 @@ 
         // TODO: Define the current item better.
         $this->first();
         if ($this->debug > 2) {
-            error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - End of learnpath constructor for learnpath ' . $this->get_id(), 0);
+            error_log('New LP - learnpath::__construct() '.__LINE__.' - End of learnpath constructor for learnpath '.$this->get_id(), 0);
         }
         return true;
     }
@@ -498,7 +498,7 @@ 
     ) {
         $course_id = $this->course_info['real_id'];
         if ($this->debug > 0) {
-            error_log('New LP - In learnpath::add_item(' . $parent . ',' . $previous . ',' . $type . ',' . $id . ',' . $title . ')', 0);
+            error_log('New LP - In learnpath::add_item('.$parent.','.$previous.','.$type.','.$id.','.$title.')', 0);
         }
         if (empty($course_id)) {
             // Sometimes Oogie doesn't catch the course info but sets $this->cc
@@ -518,7 +518,7 @@ 
                 FROM $tbl_lp_item
                 WHERE
                     c_id = $course_id AND
-                    lp_id = " . $this->get_id() . " AND
+                    lp_id = ".$this->get_id()." AND
                     parent_item_id = " . $parent;
 
         $res_count = Database::query($sql);
@@ -528,11 +528,11 @@ 
         if ($num > 0) {
             if ($previous == 0) {
                 $sql = "SELECT id, next_item_id, display_order
-                        FROM " . $tbl_lp_item . "
+                        FROM " . $tbl_lp_item."
                         WHERE
                             c_id = $course_id AND
-                            lp_id = " . $this->get_id() . " AND
-                            parent_item_id = " . $parent . " AND
+                            lp_id = ".$this->get_id()." AND
+                            parent_item_id = " . $parent." AND
                             previous_item_id = 0 OR
                             previous_item_id=" . $parent;
                 $result = Database::query($sql);
@@ -547,7 +547,7 @@ 
 						FROM $tbl_lp_item
                         WHERE
                             c_id = $course_id AND
-                            lp_id = " . $this->get_id() . " AND
+                            lp_id = ".$this->get_id()." AND
                             id = " . $previous;
 
                 $result = Database::query($sql);
@@ -567,8 +567,8 @@ 
         $typeCleaned = Database::escape_string($type);
         if ($type == 'quiz') {
             $sql = 'SELECT SUM(ponderation)
-                    FROM ' . Database :: get_course_table(TABLE_QUIZ_QUESTION) . ' as quiz_question
-                    INNER JOIN  ' . Database :: get_course_table(TABLE_QUIZ_TEST_QUESTION) . ' as quiz_rel_question
+                    FROM ' . Database :: get_course_table(TABLE_QUIZ_QUESTION).' as quiz_question
+                    INNER JOIN  ' . Database :: get_course_table(TABLE_QUIZ_TEST_QUESTION).' as quiz_rel_question
                     ON
                         quiz_question.id = quiz_rel_question.question_id AND
                         quiz_question.c_id = quiz_rel_question.c_id
@@ -614,7 +614,7 @@ 
         $new_item_id = Database::insert($tbl_lp_item, $params);
 
         if ($this->debug > 2) {
-            error_log('New LP - Inserting chapter: ' . $new_item_id, 0);
+            error_log('New LP - Inserting chapter: '.$new_item_id, 0);
         }
 
         if ($new_item_id) {
@@ -631,28 +631,28 @@ 
             Database::query($sql);
 
             // Update all the items after the new item.
-            $sql = "UPDATE " . $tbl_lp_item . "
+            $sql = "UPDATE ".$tbl_lp_item."
                         SET display_order = display_order + 1
                     WHERE
                         c_id = $course_id AND
-                        lp_id = " . $this->get_id() . " AND
-                        id <> " . $new_item_id . " AND
-                        parent_item_id = " . $parent . " AND
+                        lp_id = ".$this->get_id()." AND
+                        id <> " . $new_item_id." AND
+                        parent_item_id = " . $parent." AND
                         display_order > " . $display_order;
             Database::query($sql);
 
             // Update the item that should come after the new item.
-            $sql = "UPDATE " . $tbl_lp_item . "
-                    SET ref = " . $new_item_id . "
-                    WHERE c_id = $course_id AND id = " . $new_item_id;
+            $sql = "UPDATE ".$tbl_lp_item."
+                    SET ref = " . $new_item_id."
+                    WHERE c_id = $course_id AND id = ".$new_item_id;
             Database::query($sql);
 
             // Upload audio.
             if (!empty($_FILES['mp3']['name'])) {
                 // Create the audio folder if it does not exist yet.
-                $filepath = api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document/';
-                if (!is_dir($filepath . 'audio')) {
-                    mkdir($filepath . 'audio', api_get_permissions_for_new_directories());
+                $filepath = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document/';
+                if (!is_dir($filepath.'audio')) {
+                    mkdir($filepath.'audio', api_get_permissions_for_new_directories());
                     $audio_id = add_document(
                         $_course,
                         '/audio',
@@ -689,7 +689,7 @@ 
                 $file_path = handle_uploaded_document(
                     $_course,
                     $_FILES['mp3'],
-                    api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document',
+                    api_get_path(SYS_COURSE_PATH).$_course['path'].'/document',
                     '/audio',
                     api_get_user_id(),
                     '',
@@ -705,8 +705,8 @@ 
 
                 // Store the mp3 file in the lp_item table.
                 $sql = "UPDATE $tbl_lp_item SET
-                            audio = '" . Database::escape_string($file) . "'
-                        WHERE id = '" . intval($new_item_id) . "'";
+                            audio = '".Database::escape_string($file)."'
+                        WHERE id = '" . intval($new_item_id)."'";
                 Database::query($sql);
             }
         }
@@ -782,7 +782,7 @@ 
         while (Database :: num_rows($res_name)) {
             // There is already one such name, update the current one a bit.
             $i++;
-            $name = $name . ' - ' . $i;
+            $name = $name.' - '.$i;
             $check_name = "SELECT * FROM $tbl_lp WHERE c_id = $course_id AND name = '$name'";
             $res_name = Database::query($check_name);
         }
@@ -894,7 +894,7 @@ 
                 // if $item points to an object and there is a parent.
                 if ($debug) {
                     error_log(
-                        'Autocompleting parent of item ' . $item . ' "'.$currentItem->get_title().'" (item ' . $parent_id . ' "'.$parent->get_title().'") ',
+                        'Autocompleting parent of item '.$item.' "'.$currentItem->get_title().'" (item '.$parent_id.' "'.$parent->get_title().'") ',
                         0
                     );
                 }
@@ -922,7 +922,7 @@ 
                         if ($childItemId != $item) {
                             if ($debug) {
                                 error_log(
-                                    'Looking at brother #'.$childItemId . ' "' . $childItem->get_title() . '", status is ' . $childItem->get_status(),
+                                    'Looking at brother #'.$childItemId.' "'.$childItem->get_title().'", status is '.$childItem->get_status(),
                                     0
                                 );
                             }
@@ -942,7 +942,7 @@ 
                             } else {
                                 if ($debug > 2) {
                                     error_log(
-                                        'Found one incomplete child of parent #' . $parent_id . ': child #'.$childItemId . ' "' . $childItem->get_title() . '", is ' . $childItem->get_status().' db_item_view_id:#'.$childItem->db_item_view_id,
+                                        'Found one incomplete child of parent #'.$parent_id.': child #'.$childItemId.' "'.$childItem->get_title().'", is '.$childItem->get_status().' db_item_view_id:#'.$childItem->db_item_view_id,
                                         0
                                     );
                                 }
@@ -1047,15 +1047,15 @@ 
         // Delete lp item id.
         foreach ($this->items as $id => $dummy) {
             $sql = "DELETE FROM $lp_item_view
-                    WHERE c_id = $course_id AND lp_item_id = '" . $id . "'";
+                    WHERE c_id = $course_id AND lp_item_id = '".$id."'";
             Database::query($sql);
         }
 
         // Proposed by Christophe (nickname: clefevre)
-        $sql = "DELETE FROM $lp_item WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
+        $sql = "DELETE FROM $lp_item WHERE c_id = ".$course_id." AND lp_id = ".$this->lp_id;
         Database::query($sql);
 
-        $sql = "DELETE FROM $lp_view WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
+        $sql = "DELETE FROM $lp_view WHERE c_id = ".$course_id." AND lp_id = ".$this->lp_id;
         Database::query($sql);
 
         self::toggle_publish($this->lp_id, 'i');
@@ -1063,32 +1063,32 @@ 
         if ($this->type == 2 || $this->type == 3) {
             // This is a scorm learning path, delete the files as well.
             $sql = "SELECT path FROM $lp
-                    WHERE c_id = ".$course_id." AND id = " . $this->lp_id;
+                    WHERE c_id = ".$course_id." AND id = ".$this->lp_id;
             $res = Database::query($sql);
             if (Database :: num_rows($res) > 0) {
                 $row = Database :: fetch_array($res);
                 $path = $row['path'];
                 $sql = "SELECT id FROM $lp
-                        WHERE c_id = ".$course_id." AND path = '$path' AND id != " . $this->lp_id;
+                        WHERE c_id = ".$course_id." AND path = '$path' AND id != ".$this->lp_id;
                 $res = Database::query($sql);
                 if (Database :: num_rows($res) > 0) { // Another learning path uses this directory, so don't delete it.
                     if ($this->debug > 2) {
-                        error_log('New LP - In learnpath::delete(), found other LP using path ' . $path . ', keeping directory', 0);
+                        error_log('New LP - In learnpath::delete(), found other LP using path '.$path.', keeping directory', 0);
                     }
                 } else {
                     // No other LP uses that directory, delete it.
-                    $course_rel_dir = api_get_course_path() . '/scorm/'; // scorm dir web path starting from /courses
-                    $course_scorm_dir = api_get_path(SYS_COURSE_PATH) . $course_rel_dir; // The absolute system path for this course.
-                    if ($delete == 'remove' && is_dir($course_scorm_dir . $path) and !empty ($course_scorm_dir)) {
+                    $course_rel_dir = api_get_course_path().'/scorm/'; // scorm dir web path starting from /courses
+                    $course_scorm_dir = api_get_path(SYS_COURSE_PATH).$course_rel_dir; // The absolute system path for this course.
+                    if ($delete == 'remove' && is_dir($course_scorm_dir.$path) and !empty ($course_scorm_dir)) {
                         if ($this->debug > 2) {
-                            error_log('New LP - In learnpath::delete(), found SCORM, deleting directory: ' . $course_scorm_dir . $path, 0);
+                            error_log('New LP - In learnpath::delete(), found SCORM, deleting directory: '.$course_scorm_dir.$path, 0);
                         }
                         // Proposed by Christophe (clefevre).
                         if (strcmp(substr($path, -2), "/.") == 0) {
                             $path = substr($path, 0, -1); // Remove "." at the end.
                         }
                         //exec('rm -rf ' . $course_scorm_dir . $path); // See Bug #5208, this is not OS-portable way.
-                        rmdirr($course_scorm_dir . $path);
+                        rmdirr($course_scorm_dir.$path);
                     }
                 }
             }
@@ -1101,7 +1101,7 @@ 
                 WHERE c_id = ".$course_id." AND (link LIKE '$link%' AND image='scormbuilder.gif')";
         Database::query($sql);
 
-        $sql = "DELETE FROM $lp WHERE c_id = ".$course_id." AND id = " . $this->lp_id;
+        $sql = "DELETE FROM $lp WHERE c_id = ".$course_id." AND id = ".$this->lp_id;
         Database::query($sql);
         // Updates the display order of all lps.
         $this->update_display_order();
@@ -1114,7 +1114,7 @@ 
             api_get_user_id()
         );
 
-        $link_info = GradebookUtils::is_resource_in_course_gradebook(api_get_course_id(), 4 , $id, api_get_session_id());
+        $link_info = GradebookUtils::is_resource_in_course_gradebook(api_get_course_id(), 4, $id, api_get_session_id());
         if ($link_info !== false) {
             GradebookUtils::remove_resource_from_course_gradebook($link_info['id']);
         }
@@ -1134,7 +1134,7 @@ 
     {
         $course_id = $this->course_info['real_id'];
         if ($this->debug > 0) {
-            error_log('New LP - In learnpath::delete_children_items(' . $id . ')', 0);
+            error_log('New LP - In learnpath::delete_children_items('.$id.')', 0);
         }
         $num = 0;
         if (empty ($id) || $id != strval(intval($id))) {
@@ -1145,7 +1145,7 @@ 
         $res = Database::query($sql);
         while ($row = Database :: fetch_array($res)) {
             $num += $this->delete_children_items($row['id']);
-            $sql_del = "DELETE FROM $lp_item WHERE c_id = ".$course_id." AND id = " . $row['id'];
+            $sql_del = "DELETE FROM $lp_item WHERE c_id = ".$course_id." AND id = ".$row['id'];
             Database::query($sql_del);
             $num++;
         }
@@ -1186,12 +1186,12 @@ 
         // Delete children items.
         $num = $this->delete_children_items($id);
         if ($this->debug > 2) {
-            error_log('New LP - learnpath::delete_item() - deleted ' . $num . ' children of element ' . $id, 0);
+            error_log('New LP - learnpath::delete_item() - deleted '.$num.' children of element '.$id, 0);
         }
         // Now delete the item.
         $sql_del = "DELETE FROM $lp_item WHERE c_id = $course_id AND id = $id";
         if ($this->debug > 2) {
-            error_log('New LP - Deleting item: ' . $sql_del, 0);
+            error_log('New LP - Deleting item: '.$sql_del, 0);
         }
         Database::query($sql_del);
         // Now update surrounding items.
@@ -1266,15 +1266,15 @@ 
         }
 
         $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
-        $sql_select = "SELECT * FROM " . $tbl_lp_item . " WHERE c_id = ".$course_id." AND id = " . $id;
+        $sql_select = "SELECT * FROM ".$tbl_lp_item." WHERE c_id = ".$course_id." AND id = ".$id;
         $res_select = Database::query($sql_select);
         $row_select = Database :: fetch_array($res_select);
         $audio_update_sql = '';
         if (is_array($audio) && !empty ($audio['tmp_name']) && $audio['error'] === 0) {
             // Create the audio folder if it does not exist yet.
-            $filepath = api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document/';
-            if (!is_dir($filepath . 'audio')) {
-                mkdir($filepath . 'audio', api_get_permissions_for_new_directories());
+            $filepath = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document/';
+            if (!is_dir($filepath.'audio')) {
+                mkdir($filepath.'audio', api_get_permissions_for_new_directories());
                 $audio_id = add_document(
                     $_course,
                     '/audio',
@@ -1312,11 +1312,11 @@ 
             $pi = pathinfo($audio['name']);
             if ($pi['extension'] == 'mp3') {
                 $c_det = api_get_course_info($this->cc);
-                $bp = api_get_path(SYS_COURSE_PATH) . $c_det['path'] . '/document';
+                $bp = api_get_path(SYS_COURSE_PATH).$c_det['path'].'/document';
                 $path = handle_uploaded_document($c_det, $audio, $bp, '/audio', api_get_user_id(), 0, null, 0, 'rename', false, 0);
                 $path = substr($path, 7);
                 // Update reference in lp_item - audio path is the path from inside de document/audio/ dir.
-                $audio_update_sql = ", audio = '" . Database::escape_string($path) . "' ";
+                $audio_update_sql = ", audio = '".Database::escape_string($path)."' ";
             }
         }
 
@@ -1326,13 +1326,13 @@ 
         // TODO: htmlspecialchars to be checked for encoding related problems.
         if ($same_parent && $same_previous) {
             // Only update title and description.
-            $sql = "UPDATE " . $tbl_lp_item . "
-                    SET title = '" . Database::escape_string($title) . "',
-                        prerequisite = '" . $prerequisites . "',
-                        description = '" . Database::escape_string($description) . "'
-                        " . $audio_update_sql . ",
-                        max_time_allowed = '" . Database::escape_string($max_time_allowed) . "'
-                    WHERE c_id = ".$course_id." AND id = " . $id;
+            $sql = "UPDATE ".$tbl_lp_item."
+                    SET title = '" . Database::escape_string($title)."',
+                        prerequisite = '" . $prerequisites."',
+                        description = '" . Database::escape_string($description)."'
+                        " . $audio_update_sql.",
+                        max_time_allowed = '" . Database::escape_string($max_time_allowed)."'
+                    WHERE c_id = ".$course_id." AND id = ".$id;
             Database::query($sql);
         } else {
             $old_parent = $row_select['parent_item_id'];
@@ -1347,27 +1347,27 @@ 
 
             if ($old_previous != 0) {
                 // Next
-                $sql = "UPDATE " . $tbl_lp_item . "
-                        SET next_item_id = " . $old_next . "
-                        WHERE c_id = ".$course_id." AND id = " . $old_previous;
+                $sql = "UPDATE ".$tbl_lp_item."
+                        SET next_item_id = " . $old_next."
+                        WHERE c_id = ".$course_id." AND id = ".$old_previous;
                 Database::query($sql);
             }
 
             if ($old_next != 0) {
                 // Previous
-                $sql = "UPDATE " . $tbl_lp_item . "
-                        SET previous_item_id = " . $old_previous . "
-                        WHERE c_id = ".$course_id." AND id = " . $old_next;
+                $sql = "UPDATE ".$tbl_lp_item."
+                        SET previous_item_id = " . $old_previous."
+                        WHERE c_id = ".$course_id." AND id = ".$old_next;
                 Database::query($sql);
             }
 
             // display_order - 1 for every item with a display_order bigger then the display_order of the current item.
-            $sql = "UPDATE " . $tbl_lp_item . "
+            $sql = "UPDATE ".$tbl_lp_item."
                     SET display_order = display_order - 1
                     WHERE
                         c_id = ".$course_id." AND
-                        display_order > " . $old_order . " AND
-                        lp_id = " . $this->lp_id . " AND
+                        display_order > " . $old_order." AND
+                        lp_id = " . $this->lp_id." AND
                         parent_item_id = " . $old_parent;
             Database::query($sql);
             /* END -- virtually remove the current item id */
@@ -1377,11 +1377,11 @@ 
             if ($previous == 0) {
                 // Select the data of the item that should come after the current item.
                 $sql = "SELECT id, display_order
-                        FROM " . $tbl_lp_item . "
+                        FROM " . $tbl_lp_item."
                         WHERE
                             c_id = ".$course_id." AND
-                            lp_id = " . $this->lp_id . " AND
-                            parent_item_id = " . $parent . " AND
+                            lp_id = " . $this->lp_id." AND
+                            parent_item_id = " . $parent." AND
                             previous_item_id = " . $previous;
                 $res_select_old = Database::query($sql);
                 $row_select_old = Database::fetch_array($res_select_old);
@@ -1397,8 +1397,8 @@ 
             } else {
                 // Select the data of the item that should come before the current item.
                 $sql = "SELECT next_item_id, display_order
-                        FROM " . $tbl_lp_item . "
-                        WHERE c_id = ".$course_id." AND id = " . $previous;
+                        FROM " . $tbl_lp_item."
+                        WHERE c_id = ".$course_id." AND id = ".$previous;
                 $res_select_old = Database::query($sql);
                 $row_select_old = Database :: fetch_array($res_select_old);
                 $new_next = $row_select_old['next_item_id'];
@@ -1407,57 +1407,57 @@ 
 
             // TODO: htmlspecialchars to be checked for encoding related problems.
             // Update the current item with the new data.
-            $sql = "UPDATE " . $tbl_lp_item . "
+            $sql = "UPDATE ".$tbl_lp_item."
                     SET
-                        title = '" . Database::escape_string($title) . "',
-                        description = '" . Database::escape_string($description) . "',
-                        parent_item_id = " . $parent . ",
-                        previous_item_id = " . $previous . ",
-                        next_item_id = " . $new_next . ",
-                        display_order = " . $new_order . "
-                        " . $audio_update_sql . "
-                    WHERE c_id = ".$course_id." AND id = " . $id;
+                        title = '" . Database::escape_string($title)."',
+                        description = '" . Database::escape_string($description)."',
+                        parent_item_id = " . $parent.",
+                        previous_item_id = " . $previous.",
+                        next_item_id = " . $new_next.",
+                        display_order = " . $new_order."
+                        " . $audio_update_sql."
+                    WHERE c_id = ".$course_id." AND id = ".$id;
             Database::query($sql);
 
             if ($previous != 0) {
                 // Update the previous item's next_item_id.
-                $sql = "UPDATE " . $tbl_lp_item . "
-                        SET next_item_id = " . $id . "
-                        WHERE c_id = ".$course_id." AND id = " . $previous;
+                $sql = "UPDATE ".$tbl_lp_item."
+                        SET next_item_id = " . $id."
+                        WHERE c_id = ".$course_id." AND id = ".$previous;
                 Database::query($sql);
             }
 
             if ($new_next != 0) {
                 // Update the next item's previous_item_id.
-                $sql = "UPDATE " . $tbl_lp_item . "
-                        SET previous_item_id = " . $id . "
-                        WHERE c_id = ".$course_id." AND id = " . $new_next;
+                $sql = "UPDATE ".$tbl_lp_item."
+                        SET previous_item_id = " . $id."
+                        WHERE c_id = ".$course_id." AND id = ".$new_next;
                 Database::query($sql);
             }
 
             if ($old_prerequisite != $prerequisites) {
-                $sql = "UPDATE " . $tbl_lp_item . "
-                        SET prerequisite = '" . $prerequisites . "'
-                        WHERE c_id = ".$course_id." AND id = " . $id;
+                $sql = "UPDATE ".$tbl_lp_item."
+                        SET prerequisite = '" . $prerequisites."'
+                        WHERE c_id = ".$course_id." AND id = ".$id;
                 Database::query($sql);
             }
 
             if ($old_max_time_allowed != $max_time_allowed) {
                 // update max time allowed
-                $sql = "UPDATE " . $tbl_lp_item . "
-                        SET max_time_allowed = " . $max_time_allowed . "
-                        WHERE c_id = ".$course_id." AND id = " . $id;
+                $sql = "UPDATE ".$tbl_lp_item."
+                        SET max_time_allowed = " . $max_time_allowed."
+                        WHERE c_id = ".$course_id." AND id = ".$id;
                 Database::query($sql);
             }
 
             // Update all the items with the same or a bigger display_order than the current item.
-            $sql = "UPDATE " . $tbl_lp_item . "
+            $sql = "UPDATE ".$tbl_lp_item."
                     SET display_order = display_order + 1
                     WHERE
                        c_id = ".$course_id." AND
-                       lp_id = " . $this->get_id() . " AND
-                       id <> " . $id . " AND
-                       parent_item_id = " . $parent . " AND
+                       lp_id = " . $this->get_id()." AND
+                       id <> " . $id." AND
+                       parent_item_id = " . $parent." AND
                        display_order >= " . $new_order;
 
             Database::query($sql);
@@ -1483,7 +1483,7 @@ 
     {
         $course_id = api_get_course_int_id();
         if ($this->debug > 0) {
-            error_log('New LP - In learnpath::edit_item_prereq(' . $id . ',' . $prerequisite_id . ',' . $mastery_score . ',' . $max_score . ')', 0);
+            error_log('New LP - In learnpath::edit_item_prereq('.$id.','.$prerequisite_id.','.$mastery_score.','.$max_score.')', 0);
         }
 
         if (empty($id) || ($id != strval(intval($id))) || empty ($prerequisite_id)) {
@@ -1581,8 +1581,8 @@ 
             error_log('New LP - In learnpath::get_brother_chapters()', 0);
         }
 
-        if (empty($id)|| $id != strval(intval($id))) {
-            return array ();
+        if (empty($id) || $id != strval(intval($id))) {
+            return array();
         }
 
         $lp_item = Database :: get_course_table(TABLE_LP_ITEM);
@@ -1600,13 +1600,13 @@ 
                             item_type='dokeos_chapter'
                         ORDER BY display_order";
             $res_bros = Database::query($sql_bros);
-            $list = array ();
+            $list = array();
             while ($row_bro = Database :: fetch_array($res_bros)) {
                 $list[] = $row_bro;
             }
             return $list;
         }
-        return array ();
+        return array();
     }
 
     /**
@@ -1619,11 +1619,11 @@ 
     {
         $course_id = api_get_course_int_id();
         if ($this->debug > 0) {
-            error_log('New LP - In learnpath::get_brother_items(' . $id . ')', 0);
+            error_log('New LP - In learnpath::get_brother_items('.$id.')', 0);
         }
 
         if (empty ($id) || $id != strval(intval($id))) {
-            return array ();
+            return array();
         }
 
         $lp_item = Database :: get_course_table(TABLE_LP_ITEM);
@@ -1635,13 +1635,13 @@ 
             $sql_bros = "SELECT * FROM $lp_item WHERE c_id = ".$course_id." AND parent_item_id = $parent
                          ORDER BY display_order";
             $res_bros = Database::query($sql_bros);
-            $list = array ();
+            $list = array();
             while ($row_bro = Database :: fetch_array($res_bros)) {
                 $list[] = $row_bro;
             }
             return $list;
         }
-        return array ();
+        return array();
     }
 
     /**
@@ -1711,7 +1711,7 @@ 
             $current = $this->current;
         }
         if ($this->debug > 2) {
-            error_log('New LP - In learnpath::get_current_item_id() - Returning ' . $current, 0);
+            error_log('New LP - In learnpath::get_current_item_id() - Returning '.$current, 0);
         }
         return $current;
     }
@@ -1792,7 +1792,7 @@ 
         ) {
 
             if ($this->debug > 2) {
-                error_log('New LP - In learnpath::first() - Last item seen is ' . $this->last_item_seen.' of type '.$this->items[$this->last_item_seen]->get_type(), 0);
+                error_log('New LP - In learnpath::first() - Last item seen is '.$this->last_item_seen.' of type '.$this->items[$this->last_item_seen]->get_type(), 0);
             }
             $index = -1;
             foreach ($this->ordered_items as $myindex => $item_id) {
@@ -1804,7 +1804,7 @@ 
             if ($index == -1) {
                 // Index hasn't changed, so item not found - panic (this shouldn't happen).
                 if ($this->debug > 2) {
-                    error_log('New LP - Last item (' . $this->last_item_seen . ') was found in items but not in ordered_items, panic!', 0);
+                    error_log('New LP - Last item ('.$this->last_item_seen.') was found in items but not in ordered_items, panic!', 0);
                 }
                 return false;
             } else {
@@ -1819,7 +1819,7 @@ 
             $index = 0;
             // Loop through all ordered items and stop at the first item that is
             // not a directory *and* that has not been completed yet.
-            while ( !empty($this->ordered_items[$index]) AND
+            while (!empty($this->ordered_items[$index]) AND
                 is_a($this->items[$this->ordered_items[$index]], 'learnpathItem') AND
                 (
                     $this->items[$this->ordered_items[$index]]->get_type() == 'dir' OR
@@ -1833,14 +1833,14 @@ 
             $this->current  = isset($this->ordered_items[$index]) ? $this->ordered_items[$index] : null;
             $this->index    = $index;
             if ($this->debug > 2) {
-                error_log('$index ' . $index);
+                error_log('$index '.$index);
             }
             if ($this->debug > 2) {
-                error_log('New LP - In learnpath::first() - No last item seen. New last = ' . $this->last . '(' . $this->ordered_items[$index] . ')', 0);
+                error_log('New LP - In learnpath::first() - No last item seen. New last = '.$this->last.'('.$this->ordered_items[$index].')', 0);
             }
         }
         if ($this->debug > 2) {
-            error_log('New LP - In learnpath::first() - First item is ' . $this->get_current_item_id());
+            error_log('New LP - In learnpath::first() - First item is '.$this->get_current_item_id());
         }
     }
 
@@ -1853,7 +1853,7 @@ 
     public function get_js_info($item_id = '')
     {
         if ($this->debug > 0) {
-            error_log('New LP - In learnpath::get_js_info(' . $item_id . ')', 0);
+            error_log('New LP - In learnpath::get_js_info('.$item_id.')', 0);
         }
 
         $info = '';
@@ -1863,17 +1863,17 @@ 
             //if item is defined, return values from DB
             $oItem = $this->items[$item_id];
             $info .= '<script language="javascript">';
-            $info .= "top.set_score(" . $oItem->get_score() . ");\n";
-            $info .= "top.set_max(" . $oItem->get_max() . ");\n";
-            $info .= "top.set_min(" . $oItem->get_min() . ");\n";
-            $info .= "top.set_lesson_status('" . $oItem->get_status() . "');";
-            $info .= "top.set_session_time('" . $oItem->get_scorm_time('js') . "');";
-            $info .= "top.set_suspend_data('" . $oItem->get_suspend_data() . "');";
-            $info .= "top.set_saved_lesson_status('" . $oItem->get_status() . "');";
+            $info .= "top.set_score(".$oItem->get_score().");\n";
+            $info .= "top.set_max(".$oItem->get_max().");\n";
+            $info .= "top.set_min(".$oItem->get_min().");\n";
+            $info .= "top.set_lesson_status('".$oItem->get_status()."');";
+            $info .= "top.set_session_time('".$oItem->get_scorm_time('js')."');";
+            $info .= "top.set_suspend_data('".$oItem->get_suspend_data()."');";
+            $info .= "top.set_saved_lesson_status('".$oItem->get_status()."');";
             $info .= "top.set_flag_synchronized();";
             $info .= '</script>';
             if ($this->debug > 2) {
-                error_log('New LP - in learnpath::get_js_info(' . $item_id . ') - returning: ' . $info, 0);
+                error_log('New LP - in learnpath::get_js_info('.$item_id.') - returning: '.$info, 0);
             }
             return $info;
 
@@ -1881,17 +1881,17 @@ 
 
             // If item_id is empty, just update to default SCORM data.
             $info .= '<script language="javascript">';
-            $info .= "top.set_score(" . learnpathItem :: get_score() . ");\n";
-            $info .= "top.set_max(" . learnpathItem :: get_max() . ");\n";
-            $info .= "top.set_min(" . learnpathItem :: get_min() . ");\n";
-            $info .= "top.set_lesson_status('" . learnpathItem :: get_status() . "');";
-            $info .= "top.set_session_time('" . learnpathItem :: getScormTimeFromParameter('js') . "');";
-            $info .= "top.set_suspend_data('" . learnpathItem :: get_suspend_data() . "');";
-            $info .= "top.set_saved_lesson_status('" . learnpathItem :: get_status() . "');";
+            $info .= "top.set_score(".learnpathItem :: get_score().");\n";
+            $info .= "top.set_max(".learnpathItem :: get_max().");\n";
+            $info .= "top.set_min(".learnpathItem :: get_min().");\n";
+            $info .= "top.set_lesson_status('".learnpathItem :: get_status()."');";
+            $info .= "top.set_session_time('".learnpathItem :: getScormTimeFromParameter('js')."');";
+            $info .= "top.set_suspend_data('".learnpathItem :: get_suspend_data()."');";
+            $info .= "top.set_saved_lesson_status('".learnpathItem :: get_status()."');";
             $info .= "top.set_flag_synchronized();";
             $info .= '</script>';
             if ($this->debug > 2) {
-                error_log('New LP - in learnpath::get_js_info(' . $item_id . ') - returning: ' . $info, 0);
+                error_log('New LP - in learnpath::get_js_info('.$item_id.') - returning: '.$info, 0);
             }
             return $info;
         }
@@ -1945,12 +1945,12 @@ 
      * Gets the navigation bar for the learnpath display screen
      * @return	string	The HTML string to use as a navigation bar
      */
-    public function get_navigation_bar($idBar = null, $display=null) {
+    public function get_navigation_bar($idBar = null, $display = null) {
         if ($this->debug > 0) {
             error_log('New LP - In learnpath::get_navigation_bar()', 0);
         }
-        if(empty($idBar)){
-            $idBar='control-top';
+        if (empty($idBar)) {
+            $idBar = 'control-top';
         }
         /* if(empty($display)){
             $display='display:block';
@@ -1963,16 +1963,16 @@ 
             $navbar = '
                   <span id="'.$idBar.'" class="buttons">
                     <a class="icon-toolbar" href="lp_controller.php?action=stats&'.api_get_cidreq(true).'&lp_id='.$lp_id.'" onclick="window.parent.API.save_asset();return true;" target="content_name" title="stats" id="stats_link">
-                        <span class="fa fa-info"></span><span class="sr-only">' . get_lang('Reporting') . '</span>
+                        <span class="fa fa-info"></span><span class="sr-only">' . get_lang('Reporting').'</span>
                     </a>
-                    <a class="icon-toolbar" id="scorm-previous" href="#" onclick="switch_item(' . $mycurrentitemid . ',\'previous\');return false;" title="previous">
-                        <span class="fa fa-chevron-left"></span><span class="sr-only">' . get_lang('ScormPrevious') . '</span>
+                    <a class="icon-toolbar" id="scorm-previous" href="#" onclick="switch_item(' . $mycurrentitemid.',\'previous\');return false;" title="previous">
+                        <span class="fa fa-chevron-left"></span><span class="sr-only">' . get_lang('ScormPrevious').'</span>
                     </a>
-                    <a class="icon-toolbar" id="scorm-next" href="#" onclick="switch_item(' . $mycurrentitemid . ',\'next\');return false;" title="next">
-                        <span class="fa fa-chevron-right"></span><span class="sr-only">' . get_lang('ScormNext') . '</span>
+                    <a class="icon-toolbar" id="scorm-next" href="#" onclick="switch_item(' . $mycurrentitemid.',\'next\');return false;" title="next">
+                        <span class="fa fa-chevron-right"></span><span class="sr-only">' . get_lang('ScormNext').'</span>
                     </a>
                     <a class="icon-toolbar" id="view-embedded" href="lp_controller.php?action=mode&mode=embedded" target="_top" title="embedded mode">
-                        <span class="fa fa-columns"></span><span class="sr-only">' . get_lang('ScormExitFullScreen') . '</span>
+                        <span class="fa fa-columns"></span><span class="sr-only">' . get_lang('ScormExitFullScreen').'</span>
                     </a>
                   </span>';
 
@@ -1980,13 +1980,13 @@ 
             $navbar = '
                 <span id="'.$idBar.'" class="buttons text-right">
                     <a class="icon-toolbar" href="lp_controller.php?action=stats&'.api_get_cidreq(true).'&lp_id='.$lp_id.'" onclick="window.parent.API.save_asset();return true;" target="content_name" title="stats" id="stats_link">
-                        <span class="fa fa-info"></span><span class="sr-only">' . get_lang('Reporting') . '</span>
+                        <span class="fa fa-info"></span><span class="sr-only">' . get_lang('Reporting').'</span>
                     </a>
-                    <a class="icon-toolbar" id="scorm-previous" href="#" onclick="switch_item(' . $mycurrentitemid . ',\'previous\');return false;" title="previous">
-                        <span class="fa fa-chevron-left"></span><span class="sr-only">' . get_lang('ScormPrevious') . '</span>
+                    <a class="icon-toolbar" id="scorm-previous" href="#" onclick="switch_item(' . $mycurrentitemid.',\'previous\');return false;" title="previous">
+                        <span class="fa fa-chevron-left"></span><span class="sr-only">' . get_lang('ScormPrevious').'</span>
                     </a>
-                    <a class="icon-toolbar" id="scorm-next" href="#" onclick="switch_item(' . $mycurrentitemid . ',\'next\');return false;" title="next">
-                        <span class="fa fa-chevron-right"></span><span class="sr-only">' . get_lang('ScormNext') . '</span>
+                    <a class="icon-toolbar" id="scorm-next" href="#" onclick="switch_item(' . $mycurrentitemid.',\'next\');return false;" title="next">
+                        <span class="fa fa-chevron-right"></span><span class="sr-only">' . get_lang('ScormNext').'</span>
                     </a>
                 </span>';
         }
@@ -2007,11 +2007,11 @@ 
         $index = $this->index;
         $index++;
         if ($this->debug > 2) {
-            error_log('New LP - Now looking at ordered_items[' . ($index) . '] - type is ' . $this->items[$this->ordered_items[$index]]->type, 0);
+            error_log('New LP - Now looking at ordered_items['.($index).'] - type is '.$this->items[$this->ordered_items[$index]]->type, 0);
         }
         while (!empty ($this->ordered_items[$index]) AND ($this->items[$this->ordered_items[$index]]->get_type() == 'dir' || $this->items[$this->ordered_items[$index]]->get_type() == 'dokeos_chapter') AND $index < $this->max_ordered_items) {
             $index++;
-            if ($index == $this->max_ordered_items){
+            if ($index == $this->max_ordered_items) {
                 if ($this->items[$this->ordered_items[$index]]->get_type() == 'dir' || $this->items[$this->ordered_items[$index]]->get_type() == 'dokeos_chapter') {
                     return $this->index;
                 } else {
@@ -2023,7 +2023,7 @@ 
             return $this->index;
         }
         if ($this->debug > 2) {
-            error_log('New LP - index is now ' . $index, 0);
+            error_log('New LP - index is now '.$index, 0);
         }
         return $index;
     }
@@ -2041,7 +2041,7 @@ 
         if (!empty ($new_index)) {
             if (isset ($this->ordered_items[$new_index])) {
                 if ($this->debug > 2) {
-                    error_log('New LP - In learnpath::get_next_index() - Returning ' . $this->ordered_items[$new_index], 0);
+                    error_log('New LP - In learnpath::get_next_index() - Returning '.$this->ordered_items[$new_index], 0);
                 }
                 return $this->ordered_items[$new_index];
             }
@@ -2083,7 +2083,7 @@ 
         }
 
         // Filename without its extension.
-        $file_base_name = str_replace('.' . $extension, '', $filename);
+        $file_base_name = str_replace('.'.$extension, '', $filename);
 
         $zipFile = new PclZip($file_path);
         // Check the zip content (real size and file extension).
@@ -2107,7 +2107,7 @@ 
                     break; // Exit the foreach loop.
                 } elseif (
                     preg_match('/aicc\//i', $thisContent['filename']) ||
-                    in_array(strtolower(pathinfo($thisContent['filename'], PATHINFO_EXTENSION)), array( 'crs','au','des','cst'))
+                    in_array(strtolower(pathinfo($thisContent['filename'], PATHINFO_EXTENSION)), array('crs', 'au', 'des', 'cst'))
                 ) {
                     $ext = strtolower(pathinfo($thisContent['filename'], PATHINFO_EXTENSION));
                     switch ($ext) {
@@ -2149,7 +2149,7 @@ 
             error_log('New LP - In learnpath::get_previous_index()', 0);
         }
         $index = $this->index;
-        if (isset ($this->ordered_items[$index -1])) {
+        if (isset ($this->ordered_items[$index - 1])) {
             $index--;
             while (isset($this->ordered_items[$index]) && ($this->items[$this->ordered_items[$index]]->get_type() == 'dir' || $this->items[$this->ordered_items[$index]]->get_type() == 'dokeos_chapter')) {
                 $index--;
@@ -2159,7 +2159,7 @@ 
             }
         } else {
             if ($this->debug > 2) {
-                error_log('New LP - get_previous_index() - there was no previous index available, reusing ' . $index, 0);
+                error_log('New LP - get_previous_index() - there was no previous index available, reusing '.$index, 0);
             }
             // There is no previous item.
         }
@@ -2202,8 +2202,8 @@ 
     {
         $course_id = api_get_course_int_id();
         $_course = api_get_course_info();
-        $tbl_lp_item 		= Database :: get_course_table(TABLE_LP_ITEM);
-        $tbl_lp_item_view 	= Database :: get_course_table(TABLE_LP_ITEM_VIEW);
+        $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
+        $tbl_lp_item_view = Database :: get_course_table(TABLE_LP_ITEM_VIEW);
 
         // Getting all the information about the item.
         $sql = "SELECT * FROM ".$tbl_lp_item." as lp
@@ -2214,7 +2214,7 @@ 
                     lp.c_id = $course_id AND
                     lp_view.c_id = $course_id";
         $result = Database::query($sql);
-        $row 	= Database::fetch_assoc($result);
+        $row = Database::fetch_assoc($result);
         $output = '';
 
         if (!empty ($row['audio'])) {
@@ -2222,8 +2222,8 @@ 
             $list = $_SESSION['oLP']->get_toc();
             $type_quiz = false;
 
-            foreach($list as $toc) {
-                if ($toc['id'] == $_SESSION['oLP']->current && ($toc['type']=='quiz') ) {
+            foreach ($list as $toc) {
+                if ($toc['id'] == $_SESSION['oLP']->current && ($toc['type'] == 'quiz')) {
                     $type_quiz = true;
                 }
             }
@@ -2286,7 +2286,7 @@ 
         $courseCode = null,
         $sessionId = null
     ) {
-        $lp_id = (int)$lp_id;
+        $lp_id = (int) $lp_id;
         $courseInfo = api_get_course_info($courseCode);
         $sessionId = intval($sessionId);
 
@@ -2452,10 +2452,10 @@ 
      */
     public static function get_progress_bar($percentage = -1, $text_add = '')
     {
-        $text = $percentage . $text_add;
+        $text = $percentage.$text_add;
         $output = '<div class="progress">
-                        <div id="progress_bar_value" class="progress-bar progress-bar-warning" role="progressbar" aria-valuenow="' .$percentage. '" aria-valuemin="0" aria-valuemax="100" style="width: '.$text.';">
-                        '. $text .'
+                        <div id="progress_bar_value" class="progress-bar progress-bar-warning" role="progressbar" aria-valuenow="' .$percentage.'" aria-valuemin="0" aria-valuemax="100" style="width: '.$text.';">
+                        '. $text.'
                         </div>
                     </div>';
 
@@ -2491,16 +2491,16 @@ 
         }
         $total_items = $this->get_total_items_count_without_chapters();
         if ($this->debug > 2) {
-            error_log('New LP - Total items available in this learnpath: ' . $total_items, 0);
+            error_log('New LP - Total items available in this learnpath: '.$total_items, 0);
         }
         $completeItems = $this->get_complete_items_count();
         if ($this->debug > 2) {
-            error_log('New LP - Items completed so far: ' . $completeItems, 0);
+            error_log('New LP - Items completed so far: '.$completeItems, 0);
         }
         if ($add != 0) {
             $completeItems += $add;
             if ($this->debug > 2) {
-                error_log('New LP - Items completed so far (+modifier): ' . $completeItems, 0);
+                error_log('New LP - Items completed so far (+modifier): '.$completeItems, 0);
             }
         }
         $text = '';
@@ -2518,7 +2518,7 @@ 
             $text = '%';
         } elseif ($mode == 'abs') {
             $percentage = $completeItems;
-            $text = '/' . $total_items;
+            $text = '/'.$total_items;
         }
 
         return array(
@@ -2714,7 +2714,7 @@ 
                 // and replace them, one by one, by the internal IDs (chamilo db)
                 // TODO: Modify the '*' replacement to replace the multiplier in front of it
                 // by a space as well.
-                $find = array (
+                $find = array(
                     '&',
                     '|',
                     '~',
@@ -2726,7 +2726,7 @@ 
                     '(',
                     ')'
                 );
-                $replace = array (
+                $replace = array(
                     ' ',
                     ' ',
                     ' ',
@@ -2743,7 +2743,7 @@ 
                 foreach ($ids as $id) {
                     $id = trim($id);
                     if (isset ($this->refs_list[$id])) {
-                        $prereq = preg_replace('/[^a-zA-Z_0-9](' . $id . ')[^a-zA-Z_0-9]/', 'ITEM_' . $this->refs_list[$id], $prereq);
+                        $prereq = preg_replace('/[^a-zA-Z_0-9]('.$id.')[^a-zA-Z_0-9]/', 'ITEM_'.$this->refs_list[$id], $prereq);
                     }
                 }
 
@@ -2851,9 +2851,9 @@ 
         if ($this->debug > 0) {
             error_log('New LP - In learnpath::get_items_status_list()', 0);
         }
-        $list = array ();
+        $list = array();
         foreach ($this->ordered_items as $item_id) {
-            $list[] = array (
+            $list[] = array(
                 $item_id => $this->items[$item_id]->get_status()
             );
         }
@@ -2907,7 +2907,7 @@ 
         $res = Database::query($sql);
         $num = Database :: num_rows($res);
         if ($num > 0) {
-            $list[] = array (
+            $list[] = array(
                 'order_id' => api_htmlentities(get_lang('Order'), ENT_QUOTES),
                 'id' => api_htmlentities(get_lang('InteractionID'), ENT_QUOTES),
                 'type' => api_htmlentities(get_lang('Type'), ENT_QUOTES),
@@ -2918,7 +2918,7 @@ 
                 'latency' => api_htmlentities(get_lang('LatencyTimeSpent'), ENT_QUOTES)
             );
             while ($row = Database :: fetch_array($res)) {
-                $list[] = array (
+                $list[] = array(
                     'order_id' => ($row['order_id'] + 1),
                     'id' => urldecode($row['interaction_id']), //urldecode because they often have %2F or stuff like that
                     'type' => $row['interaction_type'],
@@ -2986,7 +2986,7 @@ 
                 'status' => api_htmlentities(get_lang('ObjectiveStatus'), ENT_QUOTES)
             );
             while ($row = Database :: fetch_array($res)) {
-                $list[] = array (
+                $list[] = array(
                     'order_id' => ($row['order_id'] + 1),
                     'objective_id' => urldecode($row['objective_id']), // urldecode() because they often have %2F or stuff like that.
                     'score_raw' => $row['score_raw'],
@@ -3013,10 +3013,10 @@ 
         $toc = array();
         foreach ($this->ordered_items as $item_id) {
             if ($this->debug > 2) {
-                error_log('learnpath::get_toc(): getting info for item ' . $item_id, 0);
+                error_log('learnpath::get_toc(): getting info for item '.$item_id, 0);
             }
             // TODO: Change this link generation and use new function instead.
-            $toc[] = array (
+            $toc[] = array(
                 'id'            => $item_id,
                 'title'         => $this->items[$item_id]->get_title(),
                 'status'        => $this->items[$item_id]->get_status(),
@@ -3027,7 +3027,7 @@ 
             );
         }
         if ($this->debug > 2) {
-            error_log('New LP - In learnpath::get_toc() - TOC array: ' . print_r($toc, true), 0);
+            error_log('New LP - In learnpath::get_toc() - TOC array: '.print_r($toc, true), 0);
         }
         return $toc;
     }
@@ -3044,10 +3044,10 @@ 
         }
         $toc = $varname.' = new Array();';
         foreach ($this->ordered_items as $item_id) {
-            $toc.= $varname."['i$item_id'] = '".$this->items[$item_id]->get_type()."';";
+            $toc .= $varname."['i$item_id'] = '".$this->items[$item_id]->get_type()."';";
         }
         if ($this->debug > 2) {
-            error_log('New LP - In learnpath::get_items_details_as_js() - TOC array: ' . print_r($toc, true), 0);
+            error_log('New LP - In learnpath::get_items_details_as_js() - TOC array: '.print_r($toc, true), 0);
         }
         return $toc;
     }
@@ -3071,7 +3071,7 @@ 
             }
         }
         if ($this->debug > 2) {
-            error_log('New LP - In learnpath::get_type() - Returning ' . ($res ? $res : 'false'), 0);
+            error_log('New LP - In learnpath::get_type() - Returning '.($res ? $res : 'false'), 0);
         }
         return $res;
     }
@@ -3087,7 +3087,7 @@ 
         $tbl_lp = Database :: get_course_table(TABLE_LP_MAIN);
         $lp_id = intval($lp_id);
         $sql = "SELECT lp_type FROM $tbl_lp
-                WHERE c_id = $course_id AND id = '" . $lp_id . "'";
+                WHERE c_id = $course_id AND id = '".$lp_id."'";
         $res = Database::query($sql);
         if ($res === false) {
             return null;
@@ -3179,7 +3179,7 @@ 
 
         foreach ($toc_list as $item) {
             // TODO: Complete this
-            $icon_name = array (
+            $icon_name = array(
                 'not attempted' => '../img/notattempted.gif',
                 'incomplete'    => '../img/incomplete.png',
                 'failed'        => '../img/delete.png',
@@ -3191,7 +3191,7 @@ 
 
             // Style Status
 
-            $class_name = array (
+            $class_name = array(
                 'not attempted' => 'scorm_not_attempted',
                 'incomplete'    => 'scorm_not_attempted',
                 'failed'        => 'scorm_failed',
@@ -3211,7 +3211,7 @@ 
             $dirTypes = self::getChapterTypes();
 
             if (in_array($item['type'], $dirTypes)) {
-                $scorm_color_background ='scorm_item_section ';
+                $scorm_color_background = 'scorm_item_section ';
                 $style_item = '';
             }
             if ($item['id'] == $this->current) {
@@ -3220,7 +3220,7 @@ 
                 $scorm_color_background = 'scorm_item_normal '.$scorm_color_background.' ';
             }
 
-            $html .= '<div id="toc_' . $item['id'] . '" class="' . $scorm_color_background . ' '.$class_name[$item['status']].' ">';
+            $html .= '<div id="toc_'.$item['id'].'" class="'.$scorm_color_background.' '.$class_name[$item['status']].' ">';
 
             // Learning path title
             $title = $item['title'];
@@ -3250,7 +3250,7 @@ 
                 $html .= stripslashes($title);
             } else {
                 $this->get_link('http', $item['id'], $toc_list);
-                $html .= '<a class="items-list" href="#" onclick="switch_item(' .$mycurrentitemid . ',' .$item['id'] . ');' .'return false;" >' . stripslashes($title) . '</a>';
+                $html .= '<a class="items-list" href="#" onclick="switch_item('.$mycurrentitemid.','.$item['id'].');'.'return false;" >'.stripslashes($title).'</a>';
             }
             $html .= "</div>";
 
@@ -3284,12 +3284,12 @@ 
             if ($this->get_lp_session_id() == api_get_session_id()) {
                 $html .= '<div id="actions_lp" class="actions_lp"><hr>';
                 $html .= '<div class="btn-group">';
-                $html .= "<a class='btn btn-sm btn-default' href='lp_controller.php?" . api_get_cidreq()."&gradebook=$gradebook&action=build&lp_id=" . $this->lp_id . "&isStudentView=false' target='_parent'>" .
-                    Display::returnFontAwesomeIcon('street-view') . get_lang('Overview') . "</a>";
-                $html .= "<a class='btn btn-sm btn-default' href='lp_controller.php?" . api_get_cidreq()."&action=add_item&type=step&lp_id=" . $this->lp_id . "&isStudentView=false' target='_parent'>" .
-                    Display::returnFontAwesomeIcon('pencil') . get_lang('Edit') . "</a>";
-                $html .= '<a class="btn btn-sm btn-default" href="lp_controller.php?'.api_get_cidreq()."&gradebook=$gradebook&action=edit&lp_id=" . $this->lp_id.'&isStudentView=false">' .
-                    Display::returnFontAwesomeIcon('cog') . get_lang('Settings').'</a>';
+                $html .= "<a class='btn btn-sm btn-default' href='lp_controller.php?".api_get_cidreq()."&gradebook=$gradebook&action=build&lp_id=".$this->lp_id."&isStudentView=false' target='_parent'>".
+                    Display::returnFontAwesomeIcon('street-view').get_lang('Overview')."</a>";
+                $html .= "<a class='btn btn-sm btn-default' href='lp_controller.php?".api_get_cidreq()."&action=add_item&type=step&lp_id=".$this->lp_id."&isStudentView=false' target='_parent'>".
+                    Display::returnFontAwesomeIcon('pencil').get_lang('Edit')."</a>";
+                $html .= '<a class="btn btn-sm btn-default" href="lp_controller.php?'.api_get_cidreq()."&gradebook=$gradebook&action=edit&lp_id=".$this->lp_id.'&isStudentView=false">'.
+                    Display::returnFontAwesomeIcon('cog').get_lang('Settings').'</a>';
                 $html .= '</div>';
                 $html .= '</div>';
             }
@@ -3340,11 +3340,11 @@ 
         $course_id = $this->get_course_int_id();
 
         if ($this->debug > 0) {
-            error_log('New LP - In learnpath::get_link(' . $type . ',' . $item_id . ')', 0);
+            error_log('New LP - In learnpath::get_link('.$type.','.$item_id.')', 0);
         }
         if (empty($item_id)) {
             if ($this->debug > 2) {
-                error_log('New LP - In learnpath::get_link() - no item id given in learnpath::get_link(), using current: ' . $this->get_current_item_id(), 0);
+                error_log('New LP - In learnpath::get_link() - no item id given in learnpath::get_link(), using current: '.$this->get_current_item_id(), 0);
             }
             $item_id = $this->get_current_item_id();
         }
@@ -3376,7 +3376,7 @@ 
                     ON (li.lp_id = l.id AND l.c_id = $course_id AND li.c_id = $course_id )
         		WHERE li.id = $item_id ";
         if ($this->debug > 2) {
-            error_log('New LP - In learnpath::get_link() - selecting item ' . $sql, 0);
+            error_log('New LP - In learnpath::get_link() - selecting item '.$sql, 0);
         }
         $res = Database::query($sql);
         if (Database :: num_rows($res) > 0) {
@@ -3390,9 +3390,9 @@ 
             if (empty($lp_item_params) && strpos($lp_item_path, '?') !== false) {
                 list($lp_item_path, $lp_item_params) = explode('?', $lp_item_path);
             }
-            $sys_course_path = api_get_path(SYS_COURSE_PATH) . api_get_course_path();
+            $sys_course_path = api_get_path(SYS_COURSE_PATH).api_get_course_path();
             if ($type == 'http') {
-                $course_path = api_get_path(WEB_COURSE_PATH) . api_get_course_path(); //web path
+                $course_path = api_get_path(WEB_COURSE_PATH).api_get_course_path(); //web path
             } else {
                 $course_path = $sys_course_path; //system path
             }
@@ -3403,8 +3403,8 @@ 
             }
 
             if ($this->debug > 2) {
-                error_log('New LP - In learnpath::get_link() - $lp_type ' . $lp_type, 0);
-                error_log('New LP - In learnpath::get_link() - $lp_item_type ' . $lp_item_type, 0);
+                error_log('New LP - In learnpath::get_link() - $lp_type '.$lp_type, 0);
+                error_log('New LP - In learnpath::get_link() - $lp_item_type '.$lp_item_type, 0);
             }
 
             // Now go through the specific cases to get the end of the path
@@ -3423,7 +3423,7 @@ 
                         );
 
                         if ($this->debug > 0) {
-                            error_log('rl_get_resource_link_for_learnpath - file: ' . $file, 0);
+                            error_log('rl_get_resource_link_for_learnpath - file: '.$file, 0);
                         }
 
                         if ($lp_item_type == 'link') {
@@ -3443,7 +3443,7 @@ 
                                     $linkProtocol = substr($file, 0, 5);
                                     if ($linkProtocol === 'http:') {
                                         //this is the special intervention case
-                                        $file = api_get_path(WEB_CODE_PATH).'newscorm/embed.php?type=nonhttps&source=' .  urlencode($file);
+                                        $file = api_get_path(WEB_CODE_PATH).'newscorm/embed.php?type=nonhttps&source='.urlencode($file);
                                     }
                                 }
                             }
@@ -3483,8 +3483,8 @@ 
                                 $sql = "SELECT count(*) FROM $lp_item_view_table
                                         WHERE
                                             c_id = $course_id AND
-                                            lp_item_id='" . $lp_item_id . "' AND
-                                            lp_view_id ='" . $lp_view_id . "' AND
+                                            lp_item_id='".$lp_item_id."' AND
+                                            lp_view_id ='" . $lp_view_id."' AND
                                             status='completed'";
                                 $result = Database::query($sql);
                                 $row_count = Database :: fetch_row($result);
@@ -3493,7 +3493,7 @@ 
                                 if ($prevent_reinit === 1 && $count_item_view > 0) {
                                     $not_multiple_attempt = 1;
                                 }
-                                $file .= '&not_multiple_attempt=' . $not_multiple_attempt;
+                                $file .= '&not_multiple_attempt='.$not_multiple_attempt;
                             }
 
                             $tmp_array = explode('/', $file);
@@ -3506,7 +3506,7 @@ 
                     break;
                 case 2 :
                     if ($this->debug > 2) {
-                        error_log('New LP - In learnpath::get_link() ' . __LINE__ . ' - Item type: ' . $lp_item_type, 0);
+                        error_log('New LP - In learnpath::get_link() '.__LINE__.' - Item type: '.$lp_item_type, 0);
                     }
 
                     if ($lp_item_type != 'dir') {
@@ -3520,19 +3520,19 @@ 
                         //if ($this->prerequisites_match($item_id)) {
                         if (preg_match('#^[a-zA-Z]{2,5}://#', $lp_item_path) != 0) {
                             if ($this->debug > 2) {
-                                error_log('New LP - In learnpath::get_link() ' . __LINE__ . ' - Found match for protocol in ' . $lp_item_path, 0);
+                                error_log('New LP - In learnpath::get_link() '.__LINE__.' - Found match for protocol in '.$lp_item_path, 0);
                             }
                             // Distant url, return as is.
                             $file = $lp_item_path;
                         } else {
                             if ($this->debug > 2) {
-                                error_log('New LP - In learnpath::get_link() ' . __LINE__ . ' - No starting protocol in ' . $lp_item_path, 0);
+                                error_log('New LP - In learnpath::get_link() '.__LINE__.' - No starting protocol in '.$lp_item_path, 0);
                             }
                             // Prevent getting untranslatable urls.
                             $lp_item_path = preg_replace('/%2F/', '/', $lp_item_path);
                             $lp_item_path = preg_replace('/%3A/', ':', $lp_item_path);
                             // Prepare the path.
-                            $file = $course_path . '/scorm/' . $lp_path . '/' . $lp_item_path;
+                            $file = $course_path.'/scorm/'.$lp_path.'/'.$lp_item_path;
                             // TODO: Fix this for urls with protocol header.
                             $file = str_replace('//', '/', $file);
                             $file = str_replace(':/', '://', $file);
@@ -3540,11 +3540,11 @@ 
                                 $lp_path = substr($lp_path, 0, -1);
                             }
 
-                            if (!is_file(realpath($sys_course_path . '/scorm/' . $lp_path . '/' . $lp_item_path))) {
+                            if (!is_file(realpath($sys_course_path.'/scorm/'.$lp_path.'/'.$lp_item_path))) {
                                 // if file not found.
                                 $decoded = html_entity_decode($lp_item_path);
                                 list ($decoded) = explode('?', $decoded);
-                                if (!is_file(realpath($sys_course_path . '/scorm/' . $lp_path . '/' . $decoded))) {
+                                if (!is_file(realpath($sys_course_path.'/scorm/'.$lp_path.'/'.$decoded))) {
                                     require_once 'resourcelinker.inc.php';
                                     $file = rl_get_resource_link_for_learnpath(
                                         $course_id,
@@ -3564,14 +3564,14 @@ 
                                         }
                                     }
                                 } else {
-                                    $file = $course_path . '/scorm/' . $lp_path . '/' . $decoded;
+                                    $file = $course_path.'/scorm/'.$lp_path.'/'.$decoded;
                                 }
                             }
                         }
 
                         // We want to use parameters if they were defined in the imsmanifest
                         if (strpos($file, 'blank.php') === false) {
-                            $file .= (strstr($file, '?') === false ? '?' : '') . $lp_item_params;
+                            $file .= (strstr($file, '?') === false ? '?' : '').$lp_item_params;
                         }
                     } else {
                         $file = 'lp_content.php?type=dir';
@@ -3579,12 +3579,12 @@ 
                     break;
                 case 3 :
                     if ($this->debug > 2) {
-                        error_log('New LP - In learnpath::get_link() ' . __LINE__ . ' - Item type: ' . $lp_item_type, 0);
+                        error_log('New LP - In learnpath::get_link() '.__LINE__.' - Item type: '.$lp_item_type, 0);
                     }
                     // Formatting AICC HACP append URL.
-                    $aicc_append = '?aicc_sid=' . urlencode(session_id()) . '&aicc_url=' . urlencode(api_get_path(WEB_CODE_PATH) . 'newscorm/aicc_hacp.php') . '&';
+                    $aicc_append = '?aicc_sid='.urlencode(session_id()).'&aicc_url='.urlencode(api_get_path(WEB_CODE_PATH).'newscorm/aicc_hacp.php').'&';
                     if (!empty($lp_item_params)) {
-                        $aicc_append .= $lp_item_params . '&';
+                        $aicc_append .= $lp_item_params.'&';
                     }
                     if ($lp_item_type != 'dir') {
                         // Quite complex here:
@@ -3596,7 +3596,7 @@ 
 
                         if (preg_match('#^[a-zA-Z]{2,5}://#', $lp_item_path) != 0) {
                             if ($this->debug > 2) {
-                                error_log('New LP - In learnpath::get_link() ' . __LINE__ . ' - Found match for protocol in ' . $lp_item_path, 0);
+                                error_log('New LP - In learnpath::get_link() '.__LINE__.' - Found match for protocol in '.$lp_item_path, 0);
                             }
                             // Distant url, return as is.
                             $file = $lp_item_path;
@@ -3609,19 +3609,19 @@ 
                             if (stripos($file, '<servername>') !== false) {
                                 //$file = str_replace('<servername>',$course_path.'/scorm/'.$lp_path.'/',$lp_item_path);
                                 $web_course_path = str_replace('https://', '', str_replace('http://', '', $course_path));
-                                $file = str_replace('<servername>', $web_course_path . '/scorm/' . $lp_path, $lp_item_path);
+                                $file = str_replace('<servername>', $web_course_path.'/scorm/'.$lp_path, $lp_item_path);
                             }
                             //
                             $file .= $aicc_append;
                         } else {
                             if ($this->debug > 2) {
-                                error_log('New LP - In learnpath::get_link() ' . __LINE__ . ' - No starting protocol in ' . $lp_item_path, 0);
+                                error_log('New LP - In learnpath::get_link() '.__LINE__.' - No starting protocol in '.$lp_item_path, 0);
                             }
                             // Prevent getting untranslatable urls.
                             $lp_item_path = preg_replace('/%2F/', '/', $lp_item_path);
                             $lp_item_path = preg_replace('/%3A/', ':', $lp_item_path);
                             // Prepare the path - lp_path might be unusable because it includes the "aicc" subdir name.
-                            $file = $course_path . '/scorm/' . $lp_path . '/' . $lp_item_path;
+                            $file = $course_path.'/scorm/'.$lp_path.'/'.$lp_item_path;
                             // TODO: Fix this for urls with protocol header.
                             $file = str_replace('//', '/', $file);
                             $file = str_replace(':/', '://', $file);
@@ -3640,7 +3640,7 @@ 
             $file = !empty($file) ? str_replace('&amp;', '&', $file) : '';
         }
         if ($this->debug > 2) {
-            error_log('New LP - In learnpath::get_link() - returning "' . $file . '" from get_link', 0);
+            error_log('New LP - In learnpath::get_link() - returning "'.$file.'" from get_link', 0);
         }
         return $file;
     }
@@ -3658,7 +3658,7 @@ 
         $search = '';
         // Use $attempt_num to enable multi-views management (disabled so far).
         if ($attempt_num != 0 AND intval(strval($attempt_num)) == $attempt_num) {
-            $search = 'AND view_count = ' . $attempt_num;
+            $search = 'AND view_count = '.$attempt_num;
         }
         // When missing $attempt_num, search for a unique lp_view record for this lp and user.
         $lp_view_table = Database :: get_course_table(TABLE_LP_VIEW);
@@ -3668,9 +3668,9 @@ 
 
         $sql = "SELECT id, view_count FROM $lp_view_table
         		WHERE
-        		    c_id = " . $course_id . " AND
-        		    lp_id = " . $this->get_id() . " AND
-        		    user_id = " . $this->get_user_id() . " AND
+        		    c_id = ".$course_id." AND
+        		    lp_id = " . $this->get_id()." AND
+        		    user_id = " . $this->get_user_id()." AND
         		    session_id = $sessionId
         		    $search
                 ORDER BY view_count DESC";
@@ -3681,7 +3681,7 @@ 
         } else if (!api_is_invitee()) {
             // There is no database record, create one.
             $sql = "INSERT INTO $lp_view_table (c_id, lp_id,user_id, view_count, session_id) VALUES
-            		($course_id, " . $this->get_id() . "," . $this->get_user_id() . ", 1, $sessionId)";
+            		($course_id, ".$this->get_id().",".$this->get_user_id().", 1, $sessionId)";
             Database::query($sql);
             $id = Database :: insert_id();
             $this->lp_view_id = $id;
@@ -3781,15 +3781,15 @@ 
     {
         $course_id = api_get_course_int_id();
         if ($this->debug > 0) {
-            error_log('New LP - In learnpath::move_item(' . $id . ',' . $direction . ')', 0);
+            error_log('New LP - In learnpath::move_item('.$id.','.$direction.')', 0);
         }
         if (empty($id) || empty($direction)) {
             return false;
         }
         $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
         $sql_sel = "SELECT *
-                    FROM " . $tbl_lp_item . "
-                    WHERE c_id = ".$course_id." AND id = " . $id;
+                    FROM " . $tbl_lp_item."
+                    WHERE c_id = ".$course_id." AND id = ".$id;
         $res_sel = Database::query($sql_sel);
         // Check if elem exists.
         if (Database :: num_rows($res_sel) < 1) {
@@ -3814,7 +3814,7 @@ 
                                  WHERE c_id = ".$course_id." AND id = $previous";
 
                     if ($this->debug > 2) {
-                        error_log('Selecting previous: ' . $sql_sel2, 0);
+                        error_log('Selecting previous: '.$sql_sel2, 0);
                     }
                     $res_sel2 = Database::query($sql_sel2);
                     if (Database :: num_rows($res_sel2) < 1) {
@@ -3867,7 +3867,7 @@ 
                         }
                         Database::query($sql_upd2);
                     }
-                    $display = $display -1;
+                    $display = $display - 1;
                 }
                 break;
             case 'down':
@@ -3878,7 +3878,7 @@ 
                 } else {
                     $sql_sel2 = "SELECT * FROM $tbl_lp_item WHERE c_id = ".$course_id." AND id = $next";
                     if ($this->debug > 2) {
-                        error_log('Selecting next: ' . $sql_sel2, 0);
+                        error_log('Selecting next: '.$sql_sel2, 0);
                     }
                     $res_sel2 = Database::query($sql_sel2);
                     if (Database :: num_rows($res_sel2) < 1) {
@@ -3916,7 +3916,7 @@ 
                                      WHERE c_id = ".$course_id." AND id = $next_next";
                         Database::query($sql_upd2);
                     }
-                    $display = $display +1;
+                    $display = $display + 1;
                 }
                 break;
             default :
@@ -3939,8 +3939,8 @@ 
         $res = Database::query($sql);
         if ($res === false)
             return false;
-        $lps = array ();
-        $lp_order = array ();
+        $lps = array();
+        $lp_order = array();
         $num = Database :: num_rows($res);
         // First check the order is correct, globally (might be wrong because
         // of versions < 1.8.4)
@@ -3950,7 +3950,7 @@ 
                 if ($row['display_order'] != $i) { // If we find a gap in the order, we need to fix it.
                     $need_fix = true;
                     $sql_u = "UPDATE $lp_table SET display_order = $i
-                              WHERE c_id = ".$course_id." AND id = " . $row['id'];
+                              WHERE c_id = ".$course_id." AND id = ".$row['id'];
                     Database::query($sql_u);
                 }
                 $row['display_order'] = $i;
@@ -3963,10 +3963,10 @@ 
             $order = $lps[$lp_id]['display_order'];
             if ($order > 1) { // If it's the first element, no need to move up.
                 $sql_u1 = "UPDATE $lp_table SET display_order = $order
-                           WHERE c_id = ".$course_id." AND id = " . $lp_order[$order - 1];
+                           WHERE c_id = ".$course_id." AND id = ".$lp_order[$order - 1];
                 Database::query($sql_u1);
-                $sql_u2 = "UPDATE $lp_table SET display_order = " . ($order - 1) . "
-                           WHERE c_id = ".$course_id." AND id = " . $lp_id;
+                $sql_u2 = "UPDATE $lp_table SET display_order = ".($order - 1)."
+                           WHERE c_id = ".$course_id." AND id = ".$lp_id;
                 Database::query($sql_u2);
             }
         }
@@ -3987,8 +3987,8 @@ 
         if ($res === false) {
             return false;
         }
-        $lps = array ();
-        $lp_order = array ();
+        $lps = array();
+        $lp_order = array();
         $num = Database :: num_rows($res);
         $max = 0;
         // First check the order is correct, globally (might be wrong because
@@ -4000,7 +4000,7 @@ 
                 if ($row['display_order'] != $i) { // If we find a gap in the order, we need to fix it.
                     $need_fix = true;
                     $sql_u = "UPDATE $lp_table SET display_order = $i
-                              WHERE c_id = ".$course_id." AND id = " . $row['id'];
+                              WHERE c_id = ".$course_id." AND id = ".$row['id'];
                     Database::query($sql_u);
                 }
                 $row['display_order'] = $i;
@@ -4013,10 +4013,10 @@ 
             $order = $lps[$lp_id]['display_order'];
             if ($order < $max) { // If it's the first element, no need to move up.
                 $sql_u1 = "UPDATE $lp_table SET display_order = $order
-                           WHERE c_id = ".$course_id." AND id = " . $lp_order[$order + 1];
+                           WHERE c_id = ".$course_id." AND id = ".$lp_order[$order + 1];
                 Database::query($sql_u1);
-                $sql_u2 = "UPDATE $lp_table SET display_order = " . ($order + 1) . "
-                           WHERE c_id = ".$course_id." AND id = " . $lp_id;
+                $sql_u2 = "UPDATE $lp_table SET display_order = ".($order + 1)."
+                           WHERE c_id = ".$course_id." AND id = ".$lp_id;
                 Database::query($sql_u2);
             }
         }
@@ -4036,15 +4036,15 @@ 
         $this->autocomplete_parents($this->last);
         $new_index = $this->get_next_index();
         if ($this->debug > 2) {
-            error_log('New LP - New index: ' . $new_index, 0);
+            error_log('New LP - New index: '.$new_index, 0);
         }
         $this->index = $new_index;
         if ($this->debug > 2) {
-            error_log('New LP - Now having orderedlist[' . $new_index . '] = ' . $this->ordered_items[$new_index], 0);
+            error_log('New LP - Now having orderedlist['.$new_index.'] = '.$this->ordered_items[$new_index], 0);
         }
         $this->current = $this->ordered_items[$new_index];
         if ($this->debug > 2) {
-            error_log('New LP - new item id is ' . $this->current . '-' . $this->get_current_item_id(), 0);
+            error_log('New LP - new item id is '.$this->current.'-'.$this->get_current_item_id(), 0);
         }
     }
 
@@ -4108,7 +4108,7 @@ 
             // Clean spaces.
             $prereq_string = str_replace(' ', '', $prereq_string);
             if ($debug > 0) {
-                error_log('Found prereq_string: ' . $prereq_string, 0);
+                error_log('Found prereq_string: '.$prereq_string, 0);
             }
             // Now send to the parse_prereq() function that will check this component's prerequisites.
             $result = $currentItem->parse_prereq(
@@ -4124,12 +4124,12 @@ 
         } else {
             $result = true;
             if ($debug > 1) {
-                error_log('$this->items[' . $itemId . '] was not an object', 0);
+                error_log('$this->items['.$itemId.'] was not an object', 0);
             }
         }
 
         if ($debug > 1) {
-            error_log('End of prerequisites_match(). Error message is now ' . $this->error, 0);
+            error_log('End of prerequisites_match(). Error message is now '.$this->error, 0);
         }
         return $result;
     }
@@ -4195,12 +4195,12 @@ 
             $row = Database :: fetch_array($result);
             $name = domesticate($row['name']);
             if ($set_visibility == 'i') {
-                $s = $name . " " . get_lang('LearnpathNotPublished');
+                $s = $name." ".get_lang('LearnpathNotPublished');
                 $dialogBox = $s;
                 $v = 0;
             }
             if ($set_visibility == 'v') {
-                $s = $name . " " . get_lang('LearnpathPublished');
+                $s = $name." ".get_lang('LearnpathPublished');
                 $dialogBox = $s;
                 $v = 1;
             }
@@ -4283,9 +4283,9 @@ 
         $course_id = api_get_course_int_id();
         $lp_view_table = Database :: get_course_table(TABLE_LP_VIEW);
         $sql = "INSERT INTO $lp_view_table (c_id, lp_id, user_id, view_count, session_id)
-                VALUES ($course_id, " . $this->lp_id . "," . $this->get_user_id() . "," . ($this->attempt + 1) . ", $session_id)";
+                VALUES ($course_id, ".$this->lp_id.",".$this->get_user_id().",".($this->attempt + 1).", $session_id)";
         if ($this->debug > 2) {
-            error_log('New LP - Inserting new lp_view for restart: ' . $sql, 0);
+            error_log('New LP - Inserting new lp_view for restart: '.$sql, 0);
         }
         $res = Database::query($sql);
         $view_id = Database::insert_id();
@@ -4323,10 +4323,10 @@ 
         // TODO: Do a better check on the index pointing to the right item (it is supposed to be working
         // on $ordered_items[] but not sure it's always safe to use with $items[]).
         if ($this->debug > 2) {
-            error_log('New LP - save_current() saving item ' . $this->current, 0);
+            error_log('New LP - save_current() saving item '.$this->current, 0);
         }
         if ($this->debug > 2) {
-            error_log('' . print_r($this->items, true), 0);
+            error_log(''.print_r($this->items, true), 0);
         }
         if (isset($this->items[$this->current]) &&
             is_object($this->items[$this->current])
@@ -4350,7 +4350,7 @@ 
     {
         $debug = $this->debug;
         if ($debug) {
-            error_log('In learnpath::save_item(' . $item_id . ',' . intval($from_outside). ')', 0);
+            error_log('In learnpath::save_item('.$item_id.','.intval($from_outside).')', 0);
         }
         // TODO: Do a better check on the index pointing to the right item (it is supposed to be working
         // on $ordered_items[] but not sure it's always safe to use with $items[]).
@@ -4373,7 +4373,7 @@ 
 
             if ($debug) {
                 error_log('update_queue before:');
-                error_log(print_r($this->update_queue,1));
+                error_log(print_r($this->update_queue, 1));
             }
             $this->autocomplete_parents($item_id);
 
@@ -4381,9 +4381,9 @@ 
             $this->update_queue[$item_id] = $status;
 
             if ($debug) {
-                error_log('get_status(): ' . $status);
+                error_log('get_status(): '.$status);
                 error_log('update_queue after:');
-                error_log(print_r($this->update_queue,1));
+                error_log(print_r($this->update_queue, 1));
             }
             return $res;
         }
@@ -4404,17 +4404,17 @@ 
 
         if (isset($this->current) && !api_is_invitee()) {
             if ($this->debug > 2) {
-                error_log('New LP - Saving current item (' . $this->current . ') for later review', 0);
+                error_log('New LP - Saving current item ('.$this->current.') for later review', 0);
             }
             $sql = "UPDATE $table SET
-                        last_item = " . intval($this->get_current_item_id()). "
+                        last_item = ".intval($this->get_current_item_id())."
                     WHERE
                         c_id = $course_id AND
-                        lp_id = " . $this->get_id() . " AND
+                        lp_id = ".$this->get_id()." AND
                         user_id = " . $this->get_user_id()." ".$session_condition;
 
             if ($this->debug > 2) {
-                error_log('New LP - Saving last item seen : ' . $sql, 0);
+                error_log('New LP - Saving last item seen : '.$sql, 0);
             }
             Database::query($sql);
         }
@@ -4428,7 +4428,7 @@ 
                             progress = $progress
                         WHERE
                             c_id = ".$course_id." AND
-                            lp_id = " . $this->get_id() . " AND
+                            lp_id = " . $this->get_id()." AND
                             user_id = " . $this->get_user_id()." ".$session_condition;
                 // Ignore errors as some tables might not have the progress field just yet.
                 Database::query($sql);
@@ -4444,7 +4444,7 @@ 
     public function set_current_item($item_id = null)
     {
         if ($this->debug > 0) {
-            error_log('New LP - In learnpath::set_current_item(' . $item_id . ')', 0);
+            error_log('New LP - In learnpath::set_current_item('.$item_id.')', 0);
         }
         if (empty ($item_id)) {
             if ($this->debug > 2) {
@@ -4453,7 +4453,7 @@ 
             // Do nothing.
         } else {
             if ($this->debug > 2) {
-                error_log('New LP - New current item given is ' . $item_id . '...', 0);
+                error_log('New LP - New current item given is '.$item_id.'...', 0);
             }
             if (is_numeric($item_id)) {
                 $item_id = intval($item_id);
@@ -4468,10 +4468,10 @@ 
                     }
                 }
                 if ($this->debug > 2) {
-                    error_log('New LP - set_current_item(' . $item_id . ') done. Index is now : ' . $this->index, 0);
+                    error_log('New LP - set_current_item('.$item_id.') done. Index is now : '.$this->index, 0);
                 }
             } else {
-                error_log('New LP - set_current_item(' . $item_id . ') failed. Not a numeric value: ', 0);
+                error_log('New LP - set_current_item('.$item_id.') failed. Not a numeric value: ', 0);
             }
         }
     }
@@ -4496,7 +4496,7 @@ 
             $lp = $this->get_id();
             if ($lp != 0) {
                 $tbl_lp = Database :: get_course_table(TABLE_LP_MAIN);
-                $sql = "UPDATE $tbl_lp SET default_encoding = '$enc' WHERE c_id = ".$course_id." AND id = " . $lp;
+                $sql = "UPDATE $tbl_lp SET default_encoding = '$enc' WHERE c_id = ".$course_id." AND id = ".$lp;
                 $res = Database::query($sql);
                 return $res;
             }
@@ -4520,7 +4520,7 @@ 
 
         if ($lp != 0) {
             $tbl_lp = Database :: get_course_table(TABLE_LP_MAIN);
-            $sql = "UPDATE $tbl_lp SET js_lib = '$lib' WHERE c_id = ".$course_id." AND id = " . $lp;
+            $sql = "UPDATE $tbl_lp SET js_lib = '$lib' WHERE c_id = ".$course_id." AND id = ".$lp;
             $res = Database::query($sql);
             return $res;
         } else {
@@ -4545,10 +4545,10 @@ 
         $course_id = api_get_course_int_id();
         $lp_id = $this->get_id();
         $sql = "UPDATE $lp_table SET
-                content_maker = '" . Database::escape_string($this->maker) . "'
+                content_maker = '".Database::escape_string($this->maker)."'
                 WHERE c_id = ".$course_id." AND id = '$lp_id'";
         if ($this->debug > 2) {
-            error_log('New LP - lp updated with new content_maker : ' . $this->maker, 0);
+            error_log('New LP - lp updated with new content_maker : '.$this->maker, 0);
         }
         Database::query($sql);
         return true;
@@ -4572,10 +4572,10 @@ 
         $lp_id = $this->get_id();
         $course_id = $this->course_info['real_id'];
         $sql = "UPDATE $lp_table SET
-                name = '" . Database::escape_string($this->name). "'
+                name = '".Database::escape_string($this->name)."'
                 WHERE c_id = ".$course_id." AND id = '$lp_id'";
         if ($this->debug > 2) {
-            error_log('New LP - lp updated with new name : ' . $this->name, 0);
+            error_log('New LP - lp updated with new name : '.$this->name, 0);
         }
         $result = Database::query($sql);
         // If the lp is visible on the homepage, change his name there.
@@ -4583,7 +4583,7 @@ 
             $session_id = api_get_session_id();
             $session_condition = api_get_session_condition($session_id);
             $tbl_tool = Database :: get_course_table(TABLE_TOOL_LIST);
-            $link = 'newscorm/lp_controller.php?action=view&lp_id=' . $lp_id.'&id_session='.$session_id;
+            $link = 'newscorm/lp_controller.php?action=view&lp_id='.$lp_id.'&id_session='.$session_id;
             $sql = "UPDATE $tbl_tool SET name = '$this->name'
             	    WHERE
             	        c_id = $course_id AND
@@ -4661,10 +4661,10 @@ 
 
                 // Save it to search engine.
                 foreach ($missing_terms as $term) {
-                    $doc->add_term($prefix . $term, 1);
+                    $doc->add_term($prefix.$term, 1);
                 }
                 foreach ($deprecated_terms as $term) {
-                    $doc->remove_term($prefix . $term);
+                    $doc->remove_term($prefix.$term);
                 }
                 $di->getDb()->replace_document((int) $se_ref['search_did'], $doc);
                 $di->getDb()->flush();
@@ -4689,10 +4689,10 @@ 
         $this->theme = $name;
         $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
         $lp_id = $this->get_id();
-        $sql = "UPDATE $lp_table SET theme = '" . Database::escape_string($this->theme). "'
+        $sql = "UPDATE $lp_table SET theme = '".Database::escape_string($this->theme)."'
                 WHERE c_id = ".$course_id." AND id = '$lp_id'";
         if ($this->debug > 2) {
-            error_log('New LP - lp updated with new theme : ' . $this->theme, 0);
+            error_log('New LP - lp updated with new theme : '.$this->theme, 0);
         }
         Database::query($sql);
 
@@ -4715,10 +4715,10 @@ 
         $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
         $lp_id = $this->get_id();
         $sql = "UPDATE $lp_table SET
-                preview_image = '" . Database::escape_string($this->preview_image). "'
+                preview_image = '".Database::escape_string($this->preview_image)."'
                 WHERE c_id = ".$course_id." AND id = '$lp_id'";
         if ($this->debug > 2) {
-            error_log('New LP - lp updated with new preview image : ' . $this->preview_image, 0);
+            error_log('New LP - lp updated with new preview image : '.$this->preview_image, 0);
         }
         Database::query($sql);
         return true;
@@ -4738,10 +4738,10 @@ 
         $this->author = $name;
         $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
         $lp_id = $this->get_id();
-        $sql = "UPDATE $lp_table SET author = '" . Database::escape_string($name). "'
+        $sql = "UPDATE $lp_table SET author = '".Database::escape_string($name)."'
                 WHERE c_id = ".$course_id." AND id = '$lp_id'";
         if ($this->debug > 2) {
-            error_log('New LP - lp updated with new preview author : ' . $this->author, 0);
+            error_log('New LP - lp updated with new preview author : '.$this->author, 0);
         }
         Database::query($sql);
 
@@ -4759,15 +4759,15 @@ 
         if ($this->debug > 0) {
             error_log('New LP - In learnpath::set_hide_toc_frame()', 0);
         }
-        if (intval($hide) == $hide){
+        if (intval($hide) == $hide) {
             $this->hide_toc_frame = $hide;
             $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
             $lp_id = $this->get_id();
             $sql = "UPDATE $lp_table SET
-                    hide_toc_frame = '" . $this->hide_toc_frame . "'
+                    hide_toc_frame = '".$this->hide_toc_frame."'
                     WHERE c_id = ".$course_id." AND id = '$lp_id'";
             if ($this->debug > 2) {
-                error_log('New LP - lp updated with new preview hide_toc_frame : ' . $this->author, 0);
+                error_log('New LP - lp updated with new preview hide_toc_frame : '.$this->author, 0);
             }
             Database::query($sql);
 
@@ -4794,7 +4794,7 @@ 
         $sql = "UPDATE $lp_table SET prerequisite = '".$this->prerequisite."'
                 WHERE c_id = ".$course_id." AND id = '$lp_id'";
         if ($this->debug > 2) {
-            error_log('New LP - lp updated with new preview requisite : ' . $this->requisite, 0);
+            error_log('New LP - lp updated with new preview requisite : '.$this->requisite, 0);
         }
         Database::query($sql);
         return true;
@@ -4818,10 +4818,10 @@ 
         $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
         $lp_id = $this->get_id();
         $sql = "UPDATE $lp_table SET
-                    content_local = '" . Database::escape_string($name) . "'
+                    content_local = '".Database::escape_string($name)."'
                 WHERE c_id = ".$course_id." AND id = '$lp_id'";
         if ($this->debug > 2) {
-            error_log('New LP - lp updated with new proximity : ' . $this->proximity, 0);
+            error_log('New LP - lp updated with new proximity : '.$this->proximity, 0);
         }
         Database::query($sql);
         return true;
@@ -4855,11 +4855,11 @@ 
         $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
         $lp_id = $this->get_id();
         $sql = "UPDATE $lp_table SET
-                    use_max_score = '" . $this->use_max_score . "'
+                    use_max_score = '".$this->use_max_score."'
                 WHERE c_id = ".$course_id." AND id = '$lp_id'";
 
         if ($this->debug > 2) {
-            error_log('New LP - lp updated with new use_max_score : ' . $this->use_max_score, 0);
+            error_log('New LP - lp updated with new use_max_score : '.$this->use_max_score, 0);
         }
         Database::query($sql);
 
@@ -4886,10 +4886,10 @@ 
         $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
         $lp_id = $this->get_id();
         $sql = "UPDATE $lp_table SET
-                expired_on = '" . Database::escape_string($this->expired_on) . "'
+                expired_on = '".Database::escape_string($this->expired_on)."'
                 WHERE c_id = ".$course_id." AND id = '$lp_id'";
         if ($this->debug > 2) {
-            error_log('New LP - lp updated with new expired_on : ' . $this->expired_on, 0);
+            error_log('New LP - lp updated with new expired_on : '.$this->expired_on, 0);
         }
         Database::query($sql);
 
@@ -4915,10 +4915,10 @@ 
         $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
         $lp_id = $this->get_id();
         $sql = "UPDATE $lp_table SET
-                publicated_on = '" . Database::escape_string($this->publicated_on) . "'
+                publicated_on = '".Database::escape_string($this->publicated_on)."'
                 WHERE c_id = ".$course_id." AND id = '$lp_id'";
         if ($this->debug > 2) {
-            error_log('New LP - lp updated with new publicated_on : ' . $this->publicated_on, 0);
+            error_log('New LP - lp updated with new publicated_on : '.$this->publicated_on, 0);
         }
         Database::query($sql);
 
@@ -4938,10 +4938,10 @@ 
         $this->modified_on = api_get_utc_datetime();
         $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
         $lp_id = $this->get_id();
-        $sql = "UPDATE $lp_table SET modified_on = '" . $this->modified_on . "'
+        $sql = "UPDATE $lp_table SET modified_on = '".$this->modified_on."'
                 WHERE c_id = ".$course_id." AND id = '$lp_id'";
         if ($this->debug > 2) {
-            error_log('New LP - lp updated with new expired_on : ' . $this->modified_on, 0);
+            error_log('New LP - lp updated with new expired_on : '.$this->modified_on, 0);
         }
         Database::query($sql);
         return true;
@@ -5012,13 +5012,13 @@ 
 
         if ($this->last != 0 && $this->last != $this->current && is_object($this->items[$this->last])) {
             if ($this->debug > 2) {
-                error_log('New LP - In learnpath::stop_previous_item() - ' . $this->last . ' is object', 0);
+                error_log('New LP - In learnpath::stop_previous_item() - '.$this->last.' is object', 0);
             }
             switch ($this->get_type()) {
                 case '3' :
                     if ($this->items[$this->last]->get_type() != 'au') {
                         if ($this->debug > 2) {
-                            error_log('New LP - In learnpath::stop_previous_item() - ' . $this->last . ' in lp_type 3 is <> au', 0);
+                            error_log('New LP - In learnpath::stop_previous_item() - '.$this->last.' in lp_type 3 is <> au', 0);
                         }
                         $this->items[$this->last]->close();
                         //$this->autocomplete_parents($this->last);
@@ -5031,7 +5031,7 @@ 
                 case '2' :
                     if ($this->items[$this->last]->get_type() != 'sco') {
                         if ($this->debug > 2) {
-                            error_log('New LP - In learnpath::stop_previous_item() - ' . $this->last . ' in lp_type 2 is <> sco', 0);
+                            error_log('New LP - In learnpath::stop_previous_item() - '.$this->last.' in lp_type 2 is <> sco', 0);
                         }
                         $this->items[$this->last]->close();
                         //$this->autocomplete_parents($this->last);
@@ -5045,7 +5045,7 @@ 
                 case '1' :
                 default :
                     if ($this->debug > 2) {
-                        error_log('New LP - In learnpath::stop_previous_item() - ' . $this->last . ' in lp_type 1 is asset', 0);
+                        error_log('New LP - In learnpath::stop_previous_item() - '.$this->last.' in lp_type 1 is asset', 0);
                     }
                     $this->items[$this->last]->close();
                     break;
@@ -5071,7 +5071,7 @@ 
         }
         $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
         $sql = "SELECT * FROM $lp_table
-                WHERE c_id = ".$course_id." AND id = " . $this->get_id();
+                WHERE c_id = ".$course_id." AND id = ".$this->get_id();
         $res = Database::query($sql);
         if (Database :: num_rows($res) > 0) {
             $row = Database :: fetch_array($res);
@@ -5092,14 +5092,14 @@ 
                     break;
             }
             $sql = "UPDATE $lp_table SET default_view_mod = '$view_mode'
-                    WHERE c_id = ".$course_id." AND id = " . $this->get_id();
+                    WHERE c_id = ".$course_id." AND id = ".$this->get_id();
             Database::query($sql);
             $this->mode = $view_mode;
 
             return $view_mode;
         } else {
             if ($this->debug > 2) {
-                error_log('New LP - Problem in update_default_view() - could not find LP ' . $this->get_id() . ' in DB', 0);
+                error_log('New LP - Problem in update_default_view() - could not find LP '.$this->get_id().' in DB', 0);
             }
         }
         return -1;
@@ -5117,7 +5117,7 @@ 
         }
         $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
         $sql = "SELECT * FROM $lp_table
-                WHERE c_id = ".$course_id." AND id = " . $this->get_id();
+                WHERE c_id = ".$course_id." AND id = ".$this->get_id();
         $res = Database::query($sql);
         if (Database :: num_rows($res) > 0) {
             $row = Database :: fetch_array($res);
@@ -5130,14 +5130,14 @@ 
                 $force_return = true;
             }
             $sql = "UPDATE $lp_table SET force_commit = $force
-                    WHERE c_id = ".$course_id." AND id = " . $this->get_id();
+                    WHERE c_id = ".$course_id." AND id = ".$this->get_id();
             Database::query($sql);
             $this->force_commit = $force_return;
 
             return $force_return;
         } else {
             if ($this->debug > 2) {
-                error_log('New LP - Problem in update_default_scorm_commit() - could not find LP ' . $this->get_id() . ' in DB', 0);
+                error_log('New LP - Problem in update_default_scorm_commit() - could not find LP '.$this->get_id().' in DB', 0);
             }
         }
         return -1;
@@ -5166,7 +5166,7 @@ 
                 if ($row['display_order'] != $i) { // If we find a gap in the order, we need to fix it.
                     $need_fix = true;
                     $sql = "UPDATE $lp_table SET display_order = $i
-                            WHERE c_id = ".$course_id." AND id = " . $row['id'];
+                            WHERE c_id = ".$course_id." AND id = ".$row['id'];
                     Database::query($sql);
                 }
                 $i++;
@@ -5187,7 +5187,7 @@ 
         }
         $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
         $sql = "SELECT * FROM $lp_table
-                WHERE c_id = ".$course_id." AND id = " . $this->get_id();
+                WHERE c_id = ".$course_id." AND id = ".$this->get_id();
         $res = Database::query($sql);
         if (Database :: num_rows($res) > 0) {
             $row = Database :: fetch_array($res);
@@ -5198,13 +5198,13 @@ 
                 $force = 1;
             }
             $sql = "UPDATE $lp_table SET prevent_reinit = $force
-                    WHERE c_id = ".$course_id." AND id = " . $this->get_id();
+                    WHERE c_id = ".$course_id." AND id = ".$this->get_id();
             Database::query($sql);
             $this->prevent_reinit = $force;
             return $force;
         } else {
             if ($this->debug > 2) {
-                error_log('New LP - Problem in update_reinit() - could not find LP ' . $this->get_id() . ' in DB', 0);
+                error_log('New LP - Problem in update_reinit() - could not find LP '.$this->get_id().' in DB', 0);
             }
         }
         return -1;
@@ -5220,11 +5220,11 @@ 
     {
         //Set default value for seriousgame_mode
         if (!isset($this->seriousgame_mode)) {
-            $this->seriousgame_mode=0;
+            $this->seriousgame_mode = 0;
         }
         // Set default value for prevent_reinit
         if (!isset($this->prevent_reinit)) {
-            $this->prevent_reinit =1;
+            $this->prevent_reinit = 1;
         }
         if ($this->seriousgame_mode == 1 && $this->prevent_reinit == 1) {
             return 'seriousgame';
@@ -5272,7 +5272,7 @@ 
         $sql = "UPDATE $lp_table SET
                 prevent_reinit = $prevent_reinit ,
                 seriousgame_mode = $sg_mode
-                WHERE c_id = ".$course_id." AND id = " . $this->get_id();
+                WHERE c_id = ".$course_id." AND id = ".$this->get_id();
         $res = Database::query($sql);
         if ($res) {
             return true;
@@ -5324,7 +5324,7 @@ 
             error_log('New LP - In learnpath::set_seriousgame_mode()', 0);
         }
         $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
-        $sql = "SELECT * FROM $lp_table WHERE c_id = ".$course_id." AND id = " . $this->get_id();
+        $sql = "SELECT * FROM $lp_table WHERE c_id = ".$course_id." AND id = ".$this->get_id();
         $res = Database::query($sql);
         if (Database :: num_rows($res) > 0) {
             $row = Database :: fetch_array($res);
@@ -5335,13 +5335,13 @@ 
                 $force = 1;
             }
             $sql = "UPDATE $lp_table SET seriousgame_mode = $force
-			        WHERE c_id = ".$course_id." AND id = " . $this->get_id();
+			        WHERE c_id = ".$course_id." AND id = ".$this->get_id();
             Database::query($sql);
             $this->seriousgame_mode = $force;
             return $force;
         } else {
             if ($this->debug > 2) {
-                error_log('New LP - Problem in set_seriousgame_mode() - could not find LP ' . $this->get_id() . ' in DB', 0);
+                error_log('New LP - Problem in set_seriousgame_mode() - could not find LP '.$this->get_id().' in DB', 0);
             }
         }
         return -1;
@@ -5359,7 +5359,7 @@ 
         }
         $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
         $sql = "SELECT * FROM $lp_table
-                WHERE c_id = ".$course_id." AND id = " . $this->get_id();
+                WHERE c_id = ".$course_id." AND id = ".$this->get_id();
         $res = Database::query($sql);
         if (Database :: num_rows($res) > 0) {
             $row = Database :: fetch_array($res);
@@ -5370,13 +5370,13 @@ 
                 $force = 1;
             }
             $sql = "UPDATE $lp_table SET debug = $force
-                    WHERE c_id = ".$course_id." AND id = " . $this->get_id();
+                    WHERE c_id = ".$course_id." AND id = ".$this->get_id();
             $res = Database::query($sql);
             $this->scorm_debug = $force;
             return $force;
         } else {
             if ($this->debug > 2) {
-                error_log('New LP - Problem in update_scorm_debug() - could not find LP ' . $this->get_id() . ' in DB', 0);
+                error_log('New LP - Problem in update_scorm_debug() - could not find LP '.$this->get_id().' in DB', 0);
             }
         }
         return -1;
@@ -5405,7 +5405,7 @@ 
      * @param int $depth
      * @param array $tmp
      */
-    public function create_tree_array($array, $parent = 0, $depth = -1, $tmp = array ())
+    public function create_tree_array($array, $parent = 0, $depth = -1, $tmp = array())
     {
         if ($this->debug > 1) {
             error_log('New LP - In learnpath::create_tree_array())', 0);
@@ -5491,7 +5491,7 @@ 
 
         // we need to start a form when we want to update all the mp3 files
         if ($update_audio == 'true') {
-            $return .= '<form action="' . api_get_self() . '?cidReq=' . Security :: remove_XSS($_GET['cidReq']) . '&updateaudio=' . Security :: remove_XSS($_GET['updateaudio']) .'&action=' . Security :: remove_XSS($_GET['action']) . '&lp_id=' . $_SESSION['oLP']->lp_id . '" method="post" enctype="multipart/form-data" name="updatemp3" id="updatemp3">';
+            $return .= '<form action="'.api_get_self().'?cidReq='.Security :: remove_XSS($_GET['cidReq']).'&updateaudio='.Security :: remove_XSS($_GET['updateaudio']).'&action='.Security :: remove_XSS($_GET['action']).'&lp_id='.$_SESSION['oLP']->lp_id.'" method="post" enctype="multipart/form-data" name="updatemp3" id="updatemp3">';
         }
         $return .= '<div id="message"></div>';
         if (count($this->items) == 0) {
@@ -5499,14 +5499,14 @@ 
         } else {
             $return_audio = '<table class="data_table">';
             $return_audio .= '<tr>';
-            $return_audio .= '<th width="40%">' . get_lang('Title') . '</th>';
-            $return_audio .= '<th>' . get_lang('Audio') . '</th>';
+            $return_audio .= '<th width="40%">'.get_lang('Title').'</th>';
+            $return_audio .= '<th>'.get_lang('Audio').'</th>';
             $return_audio .= '</tr>';
 
             if ($update_audio != 'true') {
                 $return .= '<div class="col-md-12">';
                 $return .= self::return_new_tree($update_audio);
-                $return .='</div>';
+                $return .= '</div>';
                 $return .= Display::div(Display::url(get_lang('Save'), '#', array('id'=>'listSubmit', 'class'=>'btn btn-primary')), array('style'=>'float:left; margin-top:15px;width:100%'));
             } else {
                 $return_audio .= self::return_new_tree($update_audio);
@@ -5516,7 +5516,7 @@ 
             // We need to close the form when we are updating the mp3 files.
             if ($update_audio == 'true') {
                 $return .= '<div class="footer-audio">';
-                $return .= Display::button('save_audio','<em class="fa fa-file-audio-o"></em> '. get_lang('SaveAudioAndOrganization'),array('class'=>'btn btn-primary','type'=>'submit'));
+                $return .= Display::button('save_audio', '<em class="fa fa-file-audio-o"></em> '.get_lang('SaveAudioAndOrganization'), array('class'=>'btn btn-primary', 'type'=>'submit'));
                 $return .= '</div>';
                 //$return .= '<div><button class="btn btn-primary" type="submit" name="save_audio" id="save_audio">' . get_lang('SaveAudioAndOrganization') . '</button></div>'; // TODO: What kind of language variable is this?
             }
@@ -5537,7 +5537,7 @@ 
     public function return_new_tree($update_audio = 'false', $drop_element_here = false)
     {
         $return = '';
-        $is_allowed_to_edit = api_is_allowed_to_edit(null,true);
+        $is_allowed_to_edit = api_is_allowed_to_edit(null, true);
 
         $course_id = api_get_course_int_id();
         $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
@@ -5585,7 +5585,7 @@ 
 
             // Link for the documents
             if ($arrLP[$i]['item_type'] == 'document') {
-                $url = api_get_self() . '?'.api_get_cidreq().'&action=view_item&mode=preview_document&id=' . $arrLP[$i]['id'] . '&lp_id=' . $this->lp_id;
+                $url = api_get_self().'?'.api_get_cidreq().'&action=view_item&mode=preview_document&id='.$arrLP[$i]['id'].'&lp_id='.$this->lp_id;
                 $title_cut = Display::url(
                     $title_cut,
                     $url,
@@ -5601,14 +5601,14 @@ 
             } else {
                 $oddClass = 'row_even';
             }
-            $return_audio .= '<tr id ="lp_item_'.$arrLP[$i]['id'] .'" class="' . $oddClass . '">';
+            $return_audio .= '<tr id ="lp_item_'.$arrLP[$i]['id'].'" class="'.$oddClass.'">';
 
             $icon_name = str_replace(' ', '', $arrLP[$i]['item_type']);
 
-            if (file_exists('../img/lp_' . $icon_name . '.png')) {
+            if (file_exists('../img/lp_'.$icon_name.'.png')) {
                 $icon = Display::return_icon('lp_'.$icon_name.'.png');
             } else {
-                if (file_exists('../img/lp_' . $icon_name . '.gif')) {
+                if (file_exists('../img/lp_'.$icon_name.'.gif')) {
                     $icon = Display::return_icon('lp_'.$icon_name.'.gif');
                 } else {
                     $icon = Display::return_icon('folder_document.gif');
@@ -5616,7 +5616,7 @@ 
             }
 
             // The audio column.
-            $return_audio  .= '<td align="left" style="padding-left:10px;">';
+            $return_audio .= '<td align="left" style="padding-left:10px;">';
 
             $audio = '';
 
@@ -5628,10 +5628,10 @@ 
             } else {
                 $types = self::getChapterTypes();
                 if (!in_array($arrLP[$i]['item_type'], $types)) {
-                    $audio .= '<input type="file" name="mp3file' . $arrLP[$i]['id'] . '" id="mp3file" />';
+                    $audio .= '<input type="file" name="mp3file'.$arrLP[$i]['id'].'" id="mp3file" />';
                     if (!empty ($arrLP[$i]['audio'])) {
                         $audio .= '<br />'.Security::remove_XSS($arrLP[$i]['audio']).'<br />
-                        <input type="checkbox" name="removemp3' . $arrLP[$i]['id'] . '" id="checkbox' . $arrLP[$i]['id'] . '" />' . get_lang('RemoveAudio');
+                        <input type="checkbox" name="removemp3' . $arrLP[$i]['id'].'" id="checkbox'.$arrLP[$i]['id'].'" />'.get_lang('RemoveAudio');
                     }
                 }
             }
@@ -5655,7 +5655,7 @@ 
                 // No edit for this item types
                 if (!in_array($arrLP[$i]['item_type'], array('sco', 'asset'))) {
                     if (!in_array($arrLP[$i]['item_type'], array('dokeos_chapter', 'dokeos_module'))) {
-                        $edit_icon .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=edit_item&view=build&id=' . $arrLP[$i]['id'] . '&lp_id=' . $this->lp_id . '&path_item=' . $arrLP[$i]['path'] . '" class="btn btn-default">';
+                        $edit_icon .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=edit_item&view=build&id='.$arrLP[$i]['id'].'&lp_id='.$this->lp_id.'&path_item='.$arrLP[$i]['path'].'" class="btn btn-default">';
                         $edit_icon .= Display::return_icon('edit.png', get_lang('LearnpathEditModule'), array(), ICON_SIZE_TINY);
                         $edit_icon .= '</a>';
 
@@ -5668,7 +5668,7 @@ 
                                 $this->lp_session_id
                             )
                             ) {
-                                $forumIconUrl = api_get_self() . '?' . api_get_cidreq() . '&' . http_build_query([
+                                $forumIconUrl = api_get_self().'?'.api_get_cidreq().'&'.http_build_query([
                                     'action' => 'dissociate_forum',
                                     'id' => $arrLP[$i]['id'],
                                     'lp_id' => $this->lp_id
@@ -5679,7 +5679,7 @@ 
                                     ['class' => 'btn btn-default lp-btn-dissociate-forum']
                                 );
                             } else {
-                                $forumIconUrl = api_get_self() . '?' . api_get_cidreq() . '&' . http_build_query([
+                                $forumIconUrl = api_get_self().'?'.api_get_cidreq().'&'.http_build_query([
                                     'action' => 'create_forum',
                                     'id' => $arrLP[$i]['id'],
                                     'lp_id' => $this->lp_id
@@ -5692,17 +5692,17 @@ 
                             }
                         }
                     } else {
-                        $edit_icon .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=edit_item&id=' . $arrLP[$i]['id'] . '&lp_id=' . $this->lp_id . '&path_item=' . $arrLP[$i]['path'] . '" class="btn btn-default">';
+                        $edit_icon .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=edit_item&id='.$arrLP[$i]['id'].'&lp_id='.$this->lp_id.'&path_item='.$arrLP[$i]['path'].'" class="btn btn-default">';
                         $edit_icon .= Display::return_icon('edit.png', get_lang('LearnpathEditModule'), array(), ICON_SIZE_TINY);
                         $edit_icon .= '</a>';
                     }
                 }
 
-                $delete_icon .= ' <a href="'.api_get_self().'?'.api_get_cidreq().'&action=delete_item&id=' . $arrLP[$i]['id'] . '&lp_id=' . $this->lp_id . '" onclick="return confirmation(\'' . addslashes($title) . '\');" class="btn btn-default">';
+                $delete_icon .= ' <a href="'.api_get_self().'?'.api_get_cidreq().'&action=delete_item&id='.$arrLP[$i]['id'].'&lp_id='.$this->lp_id.'" onclick="return confirmation(\''.addslashes($title).'\');" class="btn btn-default">';
                 $delete_icon .= Display::return_icon('delete.png', get_lang('LearnpathDeleteModule'), array(), ICON_SIZE_TINY);
                 $delete_icon .= '</a>';
 
-                $url = api_get_self() . '?'.api_get_cidreq().'&view=build&id='.$arrLP[$i]['id'] .'&lp_id='.$this->lp_id;
+                $url = api_get_self().'?'.api_get_cidreq().'&view=build&id='.$arrLP[$i]['id'].'&lp_id='.$this->lp_id;
 
                 if (!in_array($arrLP[$i]['item_type'], array('dokeos_chapter', 'dokeos_module', 'dir'))) {
                     $prerequisities_icon = Display::url(Display::return_icon('accept.png', get_lang('LearnpathPrerequisites'), array(), ICON_SIZE_TINY), $url.'&action=edit_item_prereq', ['class' => 'btn btn-default']);
@@ -5711,8 +5711,8 @@ 
                 }
             }
             if ($update_audio != 'true') {
-                $row = $move_icon . ' ' . $icon .
-                    Display::span($title_cut) .
+                $row = $move_icon.' '.$icon.
+                    Display::span($title_cut).
                     Display::tag(
                         'div',
                         "<div class=\"btn-group btn-group-xs\">$audio $edit_icon $forumIcon $prerequisities_icon $move_item_icon $audio_icon $delete_icon</div>",
@@ -5733,8 +5733,8 @@ 
                 $parent_arrays = array();
                 if ($arrLP[$i]['depth'] > 1) {
                     //Getting list of parents
-                    for($j = 0; $j < $arrLP[$i]['depth']; $j++) {
-                        foreach($arrLP as $item) {
+                    for ($j = 0; $j < $arrLP[$i]['depth']; $j++) {
+                        foreach ($arrLP as $item) {
                             if ($item['id'] == $parent_id) {
                                 if ($item['parent_item_id'] == 0) {
                                     $parent_id = $item['id'];
@@ -5756,8 +5756,8 @@ 
                     $parent_arrays = array_reverse($parent_arrays);
                     $val = '$elements';
                     $x = 0;
-                    foreach($parent_arrays as $item) {
-                        if ($x != count($parent_arrays) -1) {
+                    foreach ($parent_arrays as $item) {
+                        if ($x != count($parent_arrays) - 1) {
                             $val .= '["'.$item.'"]["children"]';
                         } else {
                             $val .= '["'.$item.'"]["children"]';
@@ -5820,7 +5820,7 @@ 
                 if (isset($_REQUEST['id']) && $key == $_REQUEST['id']) {
                     $active = 'active';
                 }
-                $return  .= Display::tag('li', Display::div($item['data'], array('class'=>"item_data $active")).$sub_list, array('id'=>$key, 'class'=>'record li_container'));
+                $return .= Display::tag('li', Display::div($item['data'], array('class'=>"item_data $active")).$sub_list, array('id'=>$key, 'class'=>'record li_container'));
             } else {
                 //sections
                 if (isset($item['children'])) {
@@ -5843,17 +5843,17 @@ 
     {
         $gradebook = isset($_GET['gradebook']) ? Security :: remove_XSS($_GET['gradebook']) : null;
         $return = '<div class="actions">';
-        $return .=  '<a href="lp_controller.php?'.api_get_cidreq().'&gradebook=' . $gradebook . '&action=view&lp_id=' . $_SESSION['oLP']->lp_id . '&isStudentView=true">' . Display :: return_icon('preview_view.png', get_lang('Display'),'',ICON_SIZE_MEDIUM).'</a> ';
-        $return .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=admin_view&lp_id=' . $_SESSION['oLP']->lp_id . '&updateaudio=true">' . Display :: return_icon('upload_audio.png', get_lang('UpdateAllAudioFragments'),'',ICON_SIZE_MEDIUM).'</a>';
-        $return .= '<a href="lp_controller.php?'.api_get_cidreq().'&action=edit&lp_id=' . $_SESSION['oLP']->lp_id . '">' . Display :: return_icon('settings.png', get_lang('CourseSettings'),'',ICON_SIZE_MEDIUM).'</a>';
+        $return .= '<a href="lp_controller.php?'.api_get_cidreq().'&gradebook='.$gradebook.'&action=view&lp_id='.$_SESSION['oLP']->lp_id.'&isStudentView=true">'.Display :: return_icon('preview_view.png', get_lang('Display'), '', ICON_SIZE_MEDIUM).'</a> ';
+        $return .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=admin_view&lp_id='.$_SESSION['oLP']->lp_id.'&updateaudio=true">'.Display :: return_icon('upload_audio.png', get_lang('UpdateAllAudioFragments'), '', ICON_SIZE_MEDIUM).'</a>';
+        $return .= '<a href="lp_controller.php?'.api_get_cidreq().'&action=edit&lp_id='.$_SESSION['oLP']->lp_id.'">'.Display :: return_icon('settings.png', get_lang('CourseSettings'), '', ICON_SIZE_MEDIUM).'</a>';
         $buttons = array(
             array(
                 'title' => get_lang('SetPrerequisiteForEachItem'),
-                'href' => 'lp_controller.php?'.api_get_cidreq().'&action=set_previous_step_as_prerequisite&lp_id=' . $_SESSION['oLP']->lp_id,
+                'href' => 'lp_controller.php?'.api_get_cidreq().'&action=set_previous_step_as_prerequisite&lp_id='.$_SESSION['oLP']->lp_id,
             ),
             array(
                 'title' => get_lang('ClearAllPrerequisites'),
-                'href' => 'lp_controller.php?'.api_get_cidreq().'&action=clear_prerequisites&lp_id=' . $_SESSION['oLP']->lp_id,
+                'href' => 'lp_controller.php?'.api_get_cidreq().'&action=clear_prerequisites&lp_id='.$_SESSION['oLP']->lp_id,
             ),
         );
         $return .= Display::group_button(get_lang('PrerequisitesOptions'), $buttons);
@@ -5874,7 +5874,7 @@ 
     {
         // Creating learning_path folder
         $dir = '/learning_path';
-        $filepath = api_get_path(SYS_COURSE_PATH).$course['path'] . '/document';
+        $filepath = api_get_path(SYS_COURSE_PATH).$course['path'].'/document';
         $folder = false;
         if (!is_dir($filepath.'/'.$dir)) {
             $folderData = create_unexisting_directory(
@@ -5915,9 +5915,9 @@ 
         // Creating LP folder
         if ($folder) {
             //Limits title size
-            $title = api_substr(api_replace_dangerous_char($lp_name), 0 , 80);
+            $title = api_substr(api_replace_dangerous_char($lp_name), 0, 80);
             $dir   = $dir.$title;
-            $filepath = api_get_path(SYS_COURSE_PATH) . $course['path'] . '/document';
+            $filepath = api_get_path(SYS_COURSE_PATH).$course['path'].'/document';
             if (!is_dir($filepath.'/'.$dir)) {
                 $folderData = create_unexisting_directory(
                     $course,
@@ -5937,7 +5937,7 @@ 
             }
             $dir = $dir.'/';
             if ($folder) {
-                $filepath = api_get_path(SYS_COURSE_PATH) . $course['path'] . '/document'.$dir;
+                $filepath = api_get_path(SYS_COURSE_PATH).$course['path'].'/document'.$dir;
             }
         }
         $array = array(
@@ -5976,12 +5976,12 @@ 
             $dir = substr($dir, 1);
         }
         if (!empty($dir[0]) && $dir[0] != '/') {
-            $dir = '/' . $dir;
+            $dir = '/'.$dir;
         }
         if (isset($dir[strlen($dir) - 1]) && $dir[strlen($dir) - 1] != '/') {
             $dir .= '/';
         }
-        $filepath = api_get_path(SYS_COURSE_PATH) . $courseInfo['path'] . '/document' . $dir;
+        $filepath = api_get_path(SYS_COURSE_PATH).$courseInfo['path'].'/document'.$dir;
 
         if (empty($_POST['dir']) && empty($_GET['dir'])) {
             //Generates folder
@@ -5991,7 +5991,7 @@ 
         }
 
         if (!is_dir($filepath)) {
-            $filepath = api_get_path(SYS_COURSE_PATH) . $courseInfo['path'] . '/document/';
+            $filepath = api_get_path(SYS_COURSE_PATH).$courseInfo['path'].'/document/';
             $dir = '/';
         }
 
@@ -6014,10 +6014,10 @@ 
         $tmp_filename = $filename;
 
         $i = 0;
-        while (file_exists($filepath . $tmp_filename . '.'.$extension))
-            $tmp_filename = $filename . '_' . ++ $i;
+        while (file_exists($filepath.$tmp_filename.'.'.$extension))
+            $tmp_filename = $filename.'_'.++ $i;
 
-        $filename = $tmp_filename . '.'.$extension;
+        $filename = $tmp_filename.'.'.$extension;
         if ($extension == 'html') {
             $content = stripslashes($content);
             $content = str_replace(
@@ -6052,12 +6052,12 @@ 
             );
         }
 
-        if (!file_exists($filepath . $filename)) {
-            if ($fp = @ fopen($filepath . $filename, 'w')) {
+        if (!file_exists($filepath.$filename)) {
+            if ($fp = @ fopen($filepath.$filename, 'w')) {
                 fputs($fp, $content);
                 fclose($fp);
 
-                $file_size = filesize($filepath . $filename);
+                $file_size = filesize($filepath.$filename);
                 $save_file_path = $dir.$filename;
 
                 $document_id = add_document(
@@ -6089,12 +6089,12 @@ 
                         $tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
                         $ct = '';
                         if ($new_comment)
-                            $ct .= ", comment='" . Database::escape_string($new_comment). "'";
+                            $ct .= ", comment='".Database::escape_string($new_comment)."'";
                         if ($new_title)
-                            $ct .= ", title='" . Database::escape_string(htmlspecialchars($new_title, ENT_QUOTES, $charset))."' ";
+                            $ct .= ", title='".Database::escape_string(htmlspecialchars($new_title, ENT_QUOTES, $charset))."' ";
 
-                        $sql = "UPDATE " . $tbl_doc ." SET " . substr($ct, 1)."
-                               WHERE c_id = ".$course_id." AND id = " . $document_id;
+                        $sql = "UPDATE ".$tbl_doc." SET ".substr($ct, 1)."
+                               WHERE c_id = ".$course_id." AND id = ".$document_id;
                         Database::query($sql);
                     }
                 }
@@ -6122,42 +6122,42 @@ 
             $dir = substr($dir, 1);
 
         if ($dir[0] != '/')
-            $dir = '/' . $dir;
+            $dir = '/'.$dir;
 
         if ($dir[strlen($dir) - 1] != '/')
             $dir .= '/';
 
-        $filepath = api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document' . $dir;
+        $filepath = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document'.$dir;
 
         if (!is_dir($filepath)) {
-            $filepath = api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document/';
+            $filepath = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document/';
             $dir = '/';
         }
 
         $table_doc = Database :: get_course_table(TABLE_DOCUMENT);
         if (isset($_POST['path']) && !empty($_POST['path'])) {
             $document_id = intval($_POST['path']);
-            $sql = "SELECT path FROM " . $table_doc . "
-                    WHERE c_id = $course_id AND id = " . $document_id;
+            $sql = "SELECT path FROM ".$table_doc."
+                    WHERE c_id = $course_id AND id = ".$document_id;
             $res = Database::query($sql);
             $row = Database :: fetch_array($res);
             $content = stripslashes($_POST['content_lp']);
-            $file = $filepath . $row['path'];
+            $file = $filepath.$row['path'];
 
             if ($fp = @ fopen($file, 'w')) {
-                $content = str_replace(api_get_path(WEB_COURSE_PATH), $_configuration['url_append'] . '/courses/', $content);
+                $content = str_replace(api_get_path(WEB_COURSE_PATH), $_configuration['url_append'].'/courses/', $content);
 
                 // Change the path of mp3 to absolute.
                 // The first regexp deals with :// urls.
-                $content = preg_replace("|(flashvars=\"file=)([^:/]+)/|", "$1" . api_get_path(REL_COURSE_PATH) . $_course['path'] . '/document/', $content);
+                $content = preg_replace("|(flashvars=\"file=)([^:/]+)/|", "$1".api_get_path(REL_COURSE_PATH).$_course['path'].'/document/', $content);
                 // The second regexp deals with audio/ urls.
-                $content = preg_replace("|(flashvars=\"file=)([^:/]+)/|", "$1" . api_get_path(REL_COURSE_PATH) . $_course['path'] . '/document/$2/', $content);
+                $content = preg_replace("|(flashvars=\"file=)([^:/]+)/|", "$1".api_get_path(REL_COURSE_PATH).$_course['path'].'/document/$2/', $content);
                 fputs($fp, $content);
                 fclose($fp);
 
-                $sql = "UPDATE " . $table_doc ." SET
+                $sql = "UPDATE ".$table_doc." SET
                             title='".Database::escape_string($_POST['title'])."'
-                        WHERE c_id = ".$course_id." AND id = " . $document_id;
+                        WHERE c_id = ".$course_id." AND id = ".$document_id;
                 Database::query($sql);
             }
         }
@@ -6175,10 +6175,10 @@ 
         $return = '';
         if (is_numeric($item_id)) {
             $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
-            $sql = "SELECT lp.* FROM " . $tbl_lp_item . " as lp
-                    WHERE c_id = ".$course_id." AND lp.id = " . intval($item_id);
+            $sql = "SELECT lp.* FROM ".$tbl_lp_item." as lp
+                    WHERE c_id = ".$course_id." AND lp.id = ".intval($item_id);
             $result = Database::query($sql);
-            while ($row = Database :: fetch_array($result,'ASSOC')) {
+            while ($row = Database :: fetch_array($result, 'ASSOC')) {
                 $_SESSION['parent_item_id'] = ($row['item_type'] == 'dokeos_chapter' || $row['item_type'] == 'dokeos_module' || $row['item_type'] == 'dir') ? $item_id : 0;
 
                 // Prevents wrong parent selection for document, see Bug#1251.
@@ -6205,8 +6205,8 @@ 
                         break;
                     case TOOL_DOCUMENT:
                         $tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
-                        $sql_doc = "SELECT path FROM " . $tbl_doc . "
-                                    WHERE c_id = ".$course_id." AND id = " . intval($row['path']);
+                        $sql_doc = "SELECT path FROM ".$tbl_doc."
+                                    WHERE c_id = ".$course_id." AND id = ".intval($row['path']);
                         $result = Database::query($sql_doc);
                         $path_file = Database::result($result, 0, 0);
                         $path_parts = pathinfo($path_file);
@@ -6245,7 +6245,7 @@ 
         if (is_numeric($item_id)) {
             $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
             $sql = "SELECT * FROM $tbl_lp_item
-                    WHERE c_id = ".$course_id." AND id = " . intval($item_id);
+                    WHERE c_id = ".$course_id." AND id = ".intval($item_id);
             $res = Database::query($sql);
             $row = Database::fetch_array($res);
 
@@ -6256,21 +6256,21 @@ 
                 case 'sco' :
                     if (isset ($_GET['view']) && $_GET['view'] == 'build') {
                         $return .= $this->display_manipulate($item_id, $row['item_type']);
-                        $return .= $this->display_item_form($row['item_type'], get_lang('EditCurrentChapter') . ' :', 'edit', $item_id, $row);
+                        $return .= $this->display_item_form($row['item_type'], get_lang('EditCurrentChapter').' :', 'edit', $item_id, $row);
                     } else {
-                        $return .= $this->display_item_small_form($row['item_type'], get_lang('EditCurrentChapter') . ' :', $row);
+                        $return .= $this->display_item_small_form($row['item_type'], get_lang('EditCurrentChapter').' :', $row);
                     }
                     break;
                 case TOOL_DOCUMENT :
                     $tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
                     $sql = "SELECT lp.*, doc.path as dir
-                            FROM " . $tbl_lp_item . " as lp
-                            LEFT JOIN " . $tbl_doc . " as doc
+                            FROM " . $tbl_lp_item." as lp
+                            LEFT JOIN " . $tbl_doc." as doc
                             ON doc.id = lp.path
                             WHERE
                                 lp.c_id = $course_id AND
                                 doc.c_id = $course_id AND
-                                lp.id = " . intval($item_id);
+                                lp.id = ".intval($item_id);
                     $res_step = Database::query($sql);
                     $row_step = Database :: fetch_array($res_step);
                     $return .= $this->display_manipulate($item_id, $row['item_type']);
@@ -6280,8 +6280,8 @@ 
                     $link_id = (string) $row['path'];
                     if (ctype_digit($link_id)) {
                         $tbl_link = Database :: get_course_table(TABLE_LINK);
-                        $sql_select = 'SELECT url FROM ' . $tbl_link . '
-                                       WHERE c_id = '.$course_id.' AND id = ' . intval($link_id);
+                        $sql_select = 'SELECT url FROM '.$tbl_link.'
+                                       WHERE c_id = '.$course_id.' AND id = '.intval($link_id);
                         $res_link = Database::query($sql_select);
                         $row_link = Database :: fetch_array($res_link);
                         if (is_array($row_link)) {
@@ -6294,9 +6294,9 @@ 
                 case 'dokeos_module' :
                     if (isset ($_GET['view']) && $_GET['view'] == 'build') {
                         $return .= $this->display_manipulate($item_id, $row['item_type']);
-                        $return .= $this->display_item_form($row['item_type'], get_lang('EditCurrentModule') . ' :', 'edit', $item_id, $row);
+                        $return .= $this->display_item_form($row['item_type'], get_lang('EditCurrentModule').' :', 'edit', $item_id, $row);
                     } else {
-                        $return .= $this->display_item_small_form($row['item_type'], get_lang('EditCurrentModule') . ' :', $row);
+                        $return .= $this->display_item_small_form($row['item_type'], get_lang('EditCurrentModule').' :', $row);
                     }
                     break;
                 case TOOL_QUIZ :
@@ -6351,7 +6351,7 @@ 
 
         $headers = array(
             Display::return_icon('folder_document.png', get_lang('Documents'), array(), ICON_SIZE_BIG),
-            Display::return_icon('quiz.png',  get_lang('Quiz'), array(), ICON_SIZE_BIG),
+            Display::return_icon('quiz.png', get_lang('Quiz'), array(), ICON_SIZE_BIG),
             Display::return_icon('links.png', get_lang('Links'), array(), ICON_SIZE_BIG),
             Display::return_icon('works.png', get_lang('Works'), array(), ICON_SIZE_BIG),
             Display::return_icon('forum.png', get_lang('Forums'), array(), ICON_SIZE_BIG),
@@ -6391,16 +6391,16 @@ 
         $course_id = api_get_course_int_id();
         $return = '';
         $tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
-        $sql_doc = "SELECT * FROM " . $tbl_doc . "
-                    WHERE c_id = ".$course_id." AND id = " . $id;
+        $sql_doc = "SELECT * FROM ".$tbl_doc."
+                    WHERE c_id = ".$course_id." AND id = ".$id;
         $res_doc = Database::query($sql_doc);
         $row_doc = Database :: fetch_array($res_doc);
 
         // TODO: Add a path filter.
         if ($iframe) {
-            $return .= '<iframe id="learnpath_preview_frame" frameborder="0" height="400" width="100%" scrolling="auto" src="' . api_get_path(WEB_COURSE_PATH) . $_course['path'] . '/document' . str_replace('%2F', '/', urlencode($row_doc['path'])) . '?' . api_get_cidreq() . '"></iframe>';
+            $return .= '<iframe id="learnpath_preview_frame" frameborder="0" height="400" width="100%" scrolling="auto" src="'.api_get_path(WEB_COURSE_PATH).$_course['path'].'/document'.str_replace('%2F', '/', urlencode($row_doc['path'])).'?'.api_get_cidreq().'"></iframe>';
         } else {
-            $return .= file_get_contents(api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document' . $row_doc['path']);
+            $return .= file_get_contents(api_get_path(SYS_COURSE_PATH).$_course['path'].'/document'.$row_doc['path']);
         }
 
         return $return;
@@ -6424,8 +6424,8 @@ 
             $item_description = $extra_info['description'];
         } elseif (is_numeric($extra_info)) {
             $sql = "SELECT title, description
-                    FROM " . $tbl_quiz . "
-                    WHERE c_id = ".$course_id." AND id = " . $extra_info;
+                    FROM " . $tbl_quiz."
+                    WHERE c_id = ".$course_id." AND id = ".$extra_info;
 
             $result = Database::query($sql);
             $row = Database::fetch_array($result);
@@ -6435,8 +6435,8 @@ 
             $item_title = '';
             $item_description = '';
         }
-        $item_title			= Security::remove_XSS($item_title);
-        $item_description 	= Security::remove_XSS($item_description);
+        $item_title = Security::remove_XSS($item_title);
+        $item_description = Security::remove_XSS($item_description);
 
         $legend = '<legend>';
         if ($id != 0 && is_array($extra_info))
@@ -6444,13 +6444,13 @@ 
         else
             $parent = 0;
 
-        $sql = "SELECT * FROM " . $tbl_lp_item . "
-                WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
+        $sql = "SELECT * FROM ".$tbl_lp_item."
+                WHERE c_id = ".$course_id." AND lp_id = ".$this->lp_id;
 
         $result = Database::query($sql);
-        $arrLP = array ();
+        $arrLP = array();
         while ($row = Database :: fetch_array($result)) {
-            $arrLP[] = array (
+            $arrLP[] = array(
                 'id' => $row['id'],
                 'item_type' => $row['item_type'],
                 'title' => $row['title'],
@@ -6473,15 +6473,15 @@ 
         unset ($this->arrMenu);
 
         if ($action == 'add') {
-            $legend .= get_lang('CreateTheExercise') . '&nbsp;:';
+            $legend .= get_lang('CreateTheExercise').'&nbsp;:';
         } elseif ($action == 'move') {
-            $legend .= get_lang('MoveTheCurrentExercise') . '&nbsp;:';
+            $legend .= get_lang('MoveTheCurrentExercise').'&nbsp;:';
         } else {
-            $legend .= get_lang('EditCurrentExecice') . '&nbsp;:';
+            $legend .= get_lang('EditCurrentExecice').'&nbsp;:';
         }
 
         if (isset ($_GET['edit']) && $_GET['edit'] == 'true') {
-            $legend .= Display :: return_warning_message(get_lang('Warning') . ' ! ' . get_lang('WarningEditingDocument'));
+            $legend .= Display :: return_warning_message(get_lang('Warning').' ! '.get_lang('WarningEditingDocument'));
         }
 
         $legend .= '</legend>';
@@ -6494,34 +6494,34 @@ 
 
         if ($action != 'move') {
             $return .= '<tr>';
-            $return .= '<td class="label"><label for="idTitle">' . get_lang('Title') . '</label></td>';
-            $return .= '<td class="input"><input id="idTitle" name="title" size="44" type="text" value="' . $item_title . '" /></td>';
+            $return .= '<td class="label"><label for="idTitle">'.get_lang('Title').'</label></td>';
+            $return .= '<td class="input"><input id="idTitle" name="title" size="44" type="text" value="'.$item_title.'" /></td>';
             $return .= '</tr>';
         }
 
         $return .= '<tr>';
 
-        $return .= '<td class="label"><label for="idParent">' . get_lang('Parent') . '</label></td>';
+        $return .= '<td class="label"><label for="idParent">'.get_lang('Parent').'</label></td>';
         $return .= '<td class="input">';
 
         // Select for Parent item, root or chapter
         $return .= '<select id="idParent" style="width:100%;" name="parent" onChange="javascript: load_cbo(this.value);" size="1">';
 
-        $return .= '<option class="top" value="0">' . $this->name . '</option>';
+        $return .= '<option class="top" value="0">'.$this->name.'</option>';
 
-        $arrHide = array (
+        $arrHide = array(
             $id
         );
         for ($i = 0; $i < count($arrLP); $i++) {
             if ($action != 'add') {
                 if (($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide)) {
-                    $return .= '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
+                    $return .= '<option '.(($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '').'style="padding-left:'.($arrLP[$i]['depth'] * 10).'px;" value="'.$arrLP[$i]['id'].'">'.$arrLP[$i]['title'].'</option>';
                 } else {
                     $arrHide[] = $arrLP[$i]['id'];
                 }
             } else {
                 if ($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
-                    $return .= '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
+                    $return .= '<option '.(($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '').'style="padding-left:'.($arrLP[$i]['depth'] * 10).'px;" value="'.$arrLP[$i]['id'].'">'.$arrLP[$i]['title'].'</option>';
             }
         }
         if (is_array($arrLP)) {
@@ -6533,11 +6533,11 @@ 
         $return .= '</tr>';
         $return .= '<tr>';
 
-        $return .= '<td class="label"><label for="previous">' . get_lang('Position') . '</label></td>';
+        $return .= '<td class="label"><label for="previous">'.get_lang('Position').'</label></td>';
         $return .= '<td class="input">';
 
         $return .= '<select class="learnpath_item_form" style="width:100%;" id="previous" name="previous" size="1">';
-        $return .= '<option class="top" value="0">' . get_lang('FirstPosition') . '</option>';
+        $return .= '<option class="top" value="0">'.get_lang('FirstPosition').'</option>';
         for ($i = 0; $i < count($arrLP); $i++) {
             if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
                 if (is_array($extra_info)) {
@@ -6549,7 +6549,7 @@ 
                 } else {
                     $selected = '';
                 }
-                $return .= '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">' . get_lang('After') . ' "' . $arrLP[$i]['title'] . '"</option>';
+                $return .= '<option '.$selected.'value="'.$arrLP[$i]['id'].'">'.get_lang('After').' "'.$arrLP[$i]['title'].'"</option>';
             }
         }
         $return .= '</select>';
@@ -6566,7 +6566,7 @@ 
                     }
                 }
             }
-            $arrHide = array ();
+            $arrHide = array();
             for ($i = 0; $i < count($arrLP); $i++) {
                 if ($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter') {
                     if (is_array($extra_info)) {
@@ -6612,27 +6612,27 @@ 
 
         $return .= '<tr>';
         if ($action == 'add') {
-            $return .= '<td>&nbsp;</td><td><button class="save" name="submit_button" type="submit">' . get_lang('AddExercise') . '</button></td>';
+            $return .= '<td>&nbsp;</td><td><button class="save" name="submit_button" type="submit">'.get_lang('AddExercise').'</button></td>';
         } else {
-            $return .= '<td>&nbsp;</td><td><button class="save" name="submit_button" type="submit">' . get_lang('EditCurrentExecice') . '</button></td>';
+            $return .= '<td>&nbsp;</td><td><button class="save" name="submit_button" type="submit">'.get_lang('EditCurrentExecice').'</button></td>';
         }
 
         $return .= '</tr>';
         $return .= '</table>';
 
         if ($action == 'move') {
-            $return .= '<input name="title" type="hidden" value="' . $item_title . '" />';
-            $return .= '<input name="description" type="hidden" value="' . $item_description . '" />';
+            $return .= '<input name="title" type="hidden" value="'.$item_title.'" />';
+            $return .= '<input name="description" type="hidden" value="'.$item_description.'" />';
         }
 
         if (is_numeric($extra_info)) {
-            $return .= '<input name="path" type="hidden" value="' . $extra_info . '" />';
+            $return .= '<input name="path" type="hidden" value="'.$extra_info.'" />';
         } elseif (is_array($extra_info)) {
-            $return .= '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />';
+            $return .= '<input name="path" type="hidden" value="'.$extra_info['path'].'" />';
         }
 
-        $return .= '<input name="type" type="hidden" value="' . TOOL_QUIZ . '" />';
-        $return .= '<input name="post_time" type="hidden" value="' . time() . '" />';
+        $return .= '<input name="type" type="hidden" value="'.TOOL_QUIZ.'" />';
+        $return .= '<input name="post_time" type="hidden" value="'.time().'" />';
 
         $return .= '</form>';
         $return .= '</div>';
@@ -6659,11 +6659,11 @@ 
         } elseif (is_numeric($extra_info)) {
             $TBL_DOCUMENT = Database :: get_course_table(TABLE_DOCUMENT);
 
-            $sql = "SELECT * FROM " . $TBL_DOCUMENT . "
+            $sql = "SELECT * FROM ".$TBL_DOCUMENT."
                     WHERE
                         c_id = ".$course_id." AND
-                        path LIKE '" . $uploadPath . "/%/%htm%' AND
-                        id = " . (int) $extra_info . "
+                        path LIKE '" . $uploadPath."/%/%htm%' AND
+                        id = " . (int) $extra_info."
                     ORDER BY id ASC";
 
             $res_hot = Database::query($sql);
@@ -6687,11 +6687,11 @@ 
         }
 
         $sql = "SELECT * FROM $tbl_lp_item
-                WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
+                WHERE c_id = ".$course_id." AND lp_id = ".$this->lp_id;
         $result = Database::query($sql);
-        $arrLP = array ();
+        $arrLP = array();
         while ($row = Database :: fetch_array($result)) {
-            $arrLP[] = array (
+            $arrLP[] = array(
                 'id' => $row['id'],
                 'item_type' => $row['item_type'],
                 'title' => $row['title'],
@@ -6716,7 +6716,7 @@ 
         else
             $legend .= get_lang('EditCurrentExecice');
         if (isset ($_GET['edit']) && $_GET['edit'] == 'true') {
-            $legend .= Display :: return_warning_message(get_lang('Warning') . ' ! ' . get_lang('WarningEditingDocument'));
+            $legend .= Display :: return_warning_message(get_lang('Warning').' ! '.get_lang('WarningEditingDocument'));
         }
         $legend .= '</legend>';
 
@@ -6724,11 +6724,11 @@ 
         $return .= $legend;
         $return .= '<table cellpadding="0" cellspacing="0" class="lp_form">';
         $return .= '<tr>';
-        $return .= '<td class="label"><label for="idParent">' . get_lang('Parent') . ' :</label></td>';
+        $return .= '<td class="label"><label for="idParent">'.get_lang('Parent').' :</label></td>';
         $return .= '<td class="input">';
         $return .= '<select id="idParent" name="parent" onChange="javascript: load_cbo(this.value);" size="1">';
-        $return .= '<option class="top" value="0">' . $this->name . '</option>';
-        $arrHide = array (
+        $return .= '<option class="top" value="0">'.$this->name.'</option>';
+        $arrHide = array(
             $id
         );
 
@@ -6736,13 +6736,13 @@ 
             for ($i = 0; $i < count($arrLP); $i++) {
                 if ($action != 'add') {
                     if (($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide)) {
-                        $return .= '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
+                        $return .= '<option '.(($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '').'style="padding-left:'.($arrLP[$i]['depth'] * 10).'px;" value="'.$arrLP[$i]['id'].'">'.$arrLP[$i]['title'].'</option>';
                     } else {
                         $arrHide[] = $arrLP[$i]['id'];
                     }
                 } else {
                     if ($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
-                        $return .= '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
+                        $return .= '<option '.(($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '').'style="padding-left:'.($arrLP[$i]['depth'] * 10).'px;" value="'.$arrLP[$i]['id'].'">'.$arrLP[$i]['title'].'</option>';
                 }
             }
 
@@ -6753,10 +6753,10 @@ 
         $return .= '</td>';
         $return .= '</tr>';
         $return .= '<tr>';
-        $return .= '<td class="label"><label for="previous">' . get_lang('Position') . ' :</label></td>';
+        $return .= '<td class="label"><label for="previous">'.get_lang('Position').' :</label></td>';
         $return .= '<td class="input">';
         $return .= '<select id="previous" name="previous" size="1">';
-        $return .= '<option class="top" value="0">' . get_lang('FirstPosition') . '</option>';
+        $return .= '<option class="top" value="0">'.get_lang('FirstPosition').'</option>';
 
         for ($i = 0; $i < count($arrLP); $i++) {
             if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
@@ -6766,7 +6766,7 @@ 
                 else
                     $selected = '';
 
-                $return .= '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">' . get_lang('After') . ' "' . $arrLP[$i]['title'] . '"</option>';
+                $return .= '<option '.$selected.'value="'.$arrLP[$i]['id'].'">'.get_lang('After').' "'.$arrLP[$i]['title'].'"</option>';
             }
         }
 
@@ -6776,8 +6776,8 @@ 
 
         if ($action != 'move') {
             $return .= '<tr>';
-            $return .= '<td class="label"><label for="idTitle">' . get_lang('Title') . ' :</label></td>';
-            $return .= '<td class="input"><input id="idTitle" name="title" type="text" value="' . $item_title . '" /></td>';
+            $return .= '<td class="label"><label for="idTitle">'.get_lang('Title').' :</label></td>';
+            $return .= '<td class="input"><input id="idTitle" name="title" type="text" value="'.$item_title.'" /></td>';
             $return .= '</tr>';
             $id_prerequisite = 0;
             if (is_array($arrLP) && count($arrLP) > 0) {
@@ -6788,7 +6788,7 @@ 
                     }
                 }
 
-                $arrHide = array ();
+                $arrHide = array();
                 for ($i = 0; $i < count($arrLP); $i++) {
                     if ($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter') {
                         if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
@@ -6802,22 +6802,22 @@ 
         }
 
         $return .= '<tr>';
-        $return .= '<td>&nbsp; </td><td><button class="save" name="submit_button" action="edit" type="submit">' . get_lang('SaveHotpotatoes') . '</button></td>';
+        $return .= '<td>&nbsp; </td><td><button class="save" name="submit_button" action="edit" type="submit">'.get_lang('SaveHotpotatoes').'</button></td>';
         $return .= '</tr>';
         $return .= '</table>';
 
         if ($action == 'move') {
-            $return .= '<input name="title" type="hidden" value="' . $item_title . '" />';
-            $return .= '<input name="description" type="hidden" value="' . $item_description . '" />';
+            $return .= '<input name="title" type="hidden" value="'.$item_title.'" />';
+            $return .= '<input name="description" type="hidden" value="'.$item_description.'" />';
         }
 
         if (is_numeric($extra_info)) {
-            $return .= '<input name="path" type="hidden" value="' . $extra_info . '" />';
+            $return .= '<input name="path" type="hidden" value="'.$extra_info.'" />';
         } elseif (is_array($extra_info)) {
-            $return .= '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />';
+            $return .= '<input name="path" type="hidden" value="'.$extra_info['path'].'" />';
         }
-        $return .= '<input name="type" type="hidden" value="' . TOOL_HOTPOTATOES . '" />';
-        $return .= '<input name="post_time" type="hidden" value="' . time() . '" />';
+        $return .= '<input name="type" type="hidden" value="'.TOOL_HOTPOTATOES.'" />';
+        $return .= '<input name="post_time" type="hidden" value="'.time().'" />';
         $return .= '</form>';
 
         return $return;
@@ -6840,8 +6840,8 @@ 
             $item_title = stripslashes($extra_info['title']);
         } elseif (is_numeric($extra_info)) {
             $sql = "SELECT forum_title as title, forum_comment as comment
-                    FROM " . $tbl_forum . "
-                    WHERE c_id = ".$course_id." AND forum_id = " . $extra_info;
+                    FROM " . $tbl_forum."
+                    WHERE c_id = ".$course_id." AND forum_id = ".$extra_info;
 
             $result = Database::query($sql);
             $row = Database :: fetch_array($result);
@@ -6861,7 +6861,7 @@ 
             $parent = 0;
         }
 
-        $sql = "SELECT * FROM " . $tbl_lp_item . "
+        $sql = "SELECT * FROM ".$tbl_lp_item."
                 WHERE
                     c_id = ".$course_id." AND
                     lp_id = " . $this->lp_id;
@@ -6869,7 +6869,7 @@ 
         $arrLP = array();
 
         while ($row = Database :: fetch_array($result)) {
-            $arrLP[] = array (
+            $arrLP[] = array(
                 'id' => $row['id'],
                 'item_type' => $row['item_type'],
                 'title' => $row['title'],
@@ -6891,10 +6891,10 @@ 
         unset($this->arrMenu);
 
         if ($action == 'add')
-            $legend .= get_lang('CreateTheForum') . '&nbsp;:';
-        elseif ($action == 'move') $legend .= get_lang('MoveTheCurrentForum') . '&nbsp;:';
+            $legend .= get_lang('CreateTheForum').'&nbsp;:';
+        elseif ($action == 'move') $legend .= get_lang('MoveTheCurrentForum').'&nbsp;:';
         else
-            $legend .= get_lang('EditCurrentForum') . '&nbsp;:';
+            $legend .= get_lang('EditCurrentForum').'&nbsp;:';
 
         $legend .= '</legend>';
         $return = '<div class="sectioncomment">';
@@ -6904,16 +6904,16 @@ 
 
         if ($action != 'move') {
             $return .= '<tr>';
-            $return .= '<td class="label"><label for="idTitle">' . get_lang('Title') . '</label></td>';
-            $return .= '<td class="input"><input id="idTitle" size="44" name="title" type="text" value="' . $item_title . '" class="learnpath_item_form" /></td>';
+            $return .= '<td class="label"><label for="idTitle">'.get_lang('Title').'</label></td>';
+            $return .= '<td class="input"><input id="idTitle" size="44" name="title" type="text" value="'.$item_title.'" class="learnpath_item_form" /></td>';
             $return .= '</tr>';
         }
 
         $return .= '<tr>';
-        $return .= '<td class="label"><label for="idParent">' . get_lang('Parent') . '</label></td>';
+        $return .= '<td class="label"><label for="idParent">'.get_lang('Parent').'</label></td>';
         $return .= '<td class="input">';
         $return .= '<select id="idParent" style="width:100%;" name="parent" onChange="javascript: load_cbo(this.value);" class="learnpath_item_form" size="1">';
-        $return .= '<option class="top" value="0">' . $this->name . '</option>';
+        $return .= '<option class="top" value="0">'.$this->name.'</option>';
         $arrHide = array(
             $id
         );
@@ -6922,13 +6922,13 @@ 
         for ($i = 0; $i < count($arrLP); $i++) {
             if ($action != 'add') {
                 if (($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide)) {
-                    $return .= '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
+                    $return .= '<option '.(($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '').'style="padding-left:'.($arrLP[$i]['depth'] * 10).'px;" value="'.$arrLP[$i]['id'].'">'.$arrLP[$i]['title'].'</option>';
                 } else {
                     $arrHide[] = $arrLP[$i]['id'];
                 }
             } else {
                 if ($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
-                    $return .= '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
+                    $return .= '<option '.(($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '').'style="padding-left:'.($arrLP[$i]['depth'] * 10).'px;" value="'.$arrLP[$i]['id'].'">'.$arrLP[$i]['title'].'</option>';
             }
         }
         if (is_array($arrLP)) {
@@ -6939,10 +6939,10 @@ 
         $return .= '</td>';
         $return .= '</tr>';
         $return .= '<tr>';
-        $return .= '<td class="label"><label for="previous">' . get_lang('Position') . '</label></td>';
+        $return .= '<td class="label"><label for="previous">'.get_lang('Position').'</label></td>';
         $return .= '<td class="input">';
         $return .= '<select id="previous" name="previous" style="width:100%;" size="1" class="learnpath_item_form">';
-        $return .= '<option class="top" value="0">' . get_lang('FirstPosition') . '</option>';
+        $return .= '<option class="top" value="0">'.get_lang('FirstPosition').'</option>';
 
         for ($i = 0; $i < count($arrLP); $i++) {
             if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
@@ -6952,8 +6952,8 @@ 
                 else
                     $selected = '';
 
-                $return .= '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">' .
-                    get_lang('After') . ' "' . $arrLP[$i]['title'] . '"</option>';
+                $return .= '<option '.$selected.'value="'.$arrLP[$i]['id'].'">'.
+                    get_lang('After').' "'.$arrLP[$i]['title'].'"</option>';
             }
         }
 
@@ -6987,25 +6987,25 @@ 
         $return .= '<tr>';
 
         if ($action == 'add') {
-            $return .= '<td>&nbsp;</td><td><button class="save" name="submit_button" type="submit"> ' . get_lang('AddForumToCourse') . ' </button></td>';
+            $return .= '<td>&nbsp;</td><td><button class="save" name="submit_button" type="submit"> '.get_lang('AddForumToCourse').' </button></td>';
         } else {
-            $return .= '<td>&nbsp;</td><td><button class="save" name="submit_button" type="submit"> ' . get_lang('EditCurrentForum') . ' </button></td>';
+            $return .= '<td>&nbsp;</td><td><button class="save" name="submit_button" type="submit"> '.get_lang('EditCurrentForum').' </button></td>';
         }
         $return .= '</tr>';
         $return .= '</table>';
 
         if ($action == 'move') {
-            $return .= '<input name="title" type="hidden" value="' . $item_title . '" />';
-            $return .= '<input name="description" type="hidden" value="' . $item_description . '" />';
+            $return .= '<input name="title" type="hidden" value="'.$item_title.'" />';
+            $return .= '<input name="description" type="hidden" value="'.$item_description.'" />';
         }
 
         if (is_numeric($extra_info)) {
-            $return .= '<input name="path" type="hidden" value="' . $extra_info . '" />';
+            $return .= '<input name="path" type="hidden" value="'.$extra_info.'" />';
         } elseif (is_array($extra_info)) {
-            $return .= '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />';
+            $return .= '<input name="path" type="hidden" value="'.$extra_info['path'].'" />';
         }
-        $return .= '<input name="type" type="hidden" value="' . TOOL_FORUM . '" />';
-        $return .= '<input name="post_time" type="hidden" value="' . time() . '" />';
+        $return .= '<input name="type" type="hidden" value="'.TOOL_FORUM.'" />';
+        $return .= '<input name="post_time" type="hidden" value="'.time().'" />';
         $return .= '</form>';
         $return .= '</div>';
 
@@ -7032,7 +7032,7 @@ 
             $item_title = stripslashes($extra_info['title']);
         } elseif (is_numeric($extra_info)) {
             $sql = "SELECT thread_title as title FROM $tbl_forum
-                    WHERE c_id = $course_id AND thread_id = " . $extra_info;
+                    WHERE c_id = $course_id AND thread_id = ".$extra_info;
 
             $result = Database::query($sql);
             $row = Database :: fetch_array($result);
@@ -7052,15 +7052,15 @@ 
             $parent = 0;
         }
 
-        $sql = "SELECT * FROM " . $tbl_lp_item . "
-                WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
+        $sql = "SELECT * FROM ".$tbl_lp_item."
+                WHERE c_id = ".$course_id." AND lp_id = ".$this->lp_id;
 
         $result = Database::query($sql);
 
-        $arrLP = array ();
+        $arrLP = array();
 
         while ($row = Database :: fetch_array($result)) {
-            $arrLP[] = array (
+            $arrLP[] = array(
                 'id' => $row['id'],
                 'item_type' => $row['item_type'],
                 'title' => $row['title'],
@@ -7083,31 +7083,31 @@ 
 
         $return .= '<form method="POST">';
         if ($action == 'add')
-            $return .= '<legend>' . get_lang('CreateTheForum') . '</legend>';
-        elseif ($action == 'move') $return .= '<p class="lp_title">' . get_lang('MoveTheCurrentForum') . '&nbsp;:</p>';
+            $return .= '<legend>'.get_lang('CreateTheForum').'</legend>';
+        elseif ($action == 'move') $return .= '<p class="lp_title">'.get_lang('MoveTheCurrentForum').'&nbsp;:</p>';
         else
-            $return .= '<legend>' . get_lang('EditCurrentForum') . '</legend>';
+            $return .= '<legend>'.get_lang('EditCurrentForum').'</legend>';
 
         $return .= '<table cellpadding="0" cellspacing="0" class="lp_form">';
         $return .= '<tr>';
-        $return .= '<td class="label"><label for="idParent">' . get_lang('Parent') . '</label></td>';
+        $return .= '<td class="label"><label for="idParent">'.get_lang('Parent').'</label></td>';
         $return .= '<td class="input">';
         $return .= '<select id="idParent" name="parent" onChange="javascript: load_cbo(this.value);" size="1">';
-        $return .= '<option class="top" value="0">' . $this->name . '</option>';
-        $arrHide = array (
+        $return .= '<option class="top" value="0">'.$this->name.'</option>';
+        $arrHide = array(
             $id
         );
 
         for ($i = 0; $i < count($arrLP); $i++) {
             if ($action != 'add') {
                 if (($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide)) {
-                    $return .= '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
+                    $return .= '<option '.(($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '').'style="padding-left:'.($arrLP[$i]['depth'] * 10).'px;" value="'.$arrLP[$i]['id'].'">'.$arrLP[$i]['title'].'</option>';
                 } else {
                     $arrHide[] = $arrLP[$i]['id'];
                 }
             } else {
                 if ($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
-                    $return .= '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
+                    $return .= '<option '.(($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '').'style="padding-left:'.($arrLP[$i]['depth'] * 10).'px;" value="'.$arrLP[$i]['id'].'">'.$arrLP[$i]['title'].'</option>';
             }
         }
 
@@ -7119,10 +7119,10 @@ 
         $return .= '</td>';
         $return .= '</tr>';
         $return .= '<tr>';
-        $return .= '<td class="label"><label for="previous">' . get_lang('Position') . '</label></td>';
+        $return .= '<td class="label"><label for="previous">'.get_lang('Position').'</label></td>';
         $return .= '<td class="input">';
         $return .= '<select id="previous" name="previous" size="1">';
-        $return .= '<option class="top" value="0">' . get_lang('FirstPosition') . '</option>';
+        $return .= '<option class="top" value="0">'.get_lang('FirstPosition').'</option>';
         for ($i = 0; $i < count($arrLP); $i++) {
             if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
                 if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
@@ -7131,7 +7131,7 @@ 
                 else
                     $selected = '';
 
-                $return .= '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">' . get_lang('After') . ' "' . $arrLP[$i]['title'] . '"</option>';
+                $return .= '<option '.$selected.'value="'.$arrLP[$i]['id'].'">'.get_lang('After').' "'.$arrLP[$i]['title'].'"</option>';
             }
         }
         $return .= '</select>';
@@ -7139,8 +7139,8 @@ 
         $return .= '</tr>';
         if ($action != 'move') {
             $return .= '<tr>';
-            $return .= '<td class="label"><label for="idTitle">' . get_lang('Title') . '</label></td>';
-            $return .= '<td class="input"><input id="idTitle" name="title" type="text" value="' . $item_title . '" /></td>';
+            $return .= '<td class="label"><label for="idTitle">'.get_lang('Title').'</label></td>';
+            $return .= '<td class="input"><input id="idTitle" name="title" type="text" value="'.$item_title.'" /></td>';
             $return .= '</tr>';
             $return .= '<tr>';
             $return .= '</tr>';
@@ -7167,17 +7167,17 @@ 
             }
 
             $return .= '<tr>';
-            $return .= '<td class="label"><label for="idPrerequisites">' . get_lang('LearnpathPrerequisites') . '</label></td>';
-            $return .= '<td class="input"><select name="prerequisites" id="prerequisites"><option value="0">' . get_lang('NoPrerequisites') . '</option>';
+            $return .= '<td class="label"><label for="idPrerequisites">'.get_lang('LearnpathPrerequisites').'</label></td>';
+            $return .= '<td class="input"><select name="prerequisites" id="prerequisites"><option value="0">'.get_lang('NoPrerequisites').'</option>';
 
             foreach ($arrHide as $key => $value) {
                 if ($key == $s_selected_position && $action == 'add') {
-                    $return .= '<option value="' . $key . '" selected="selected">' . $value['value'] . '</option>';
+                    $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
                 }
                 elseif ($key == $id_prerequisite && $action == 'edit') {
-                    $return .= '<option value="' . $key . '" selected="selected">' . $value['value'] . '</option>';
+                    $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
                 } else {
-                    $return .= '<option value="' . $key . '">' . $value['value'] . '</option>';
+                    $return .= '<option value="'.$key.'">'.$value['value'].'</option>';
                 }
             }
             $return .= "</select></td>";
@@ -7191,19 +7191,19 @@ 
         $return .= '</table>';
 
         if ($action == 'move') {
-            $return .= '<input name="title" type="hidden" value="' . $item_title . '" />';
-            $return .= '<input name="description" type="hidden" value="' . $item_description . '" />';
+            $return .= '<input name="title" type="hidden" value="'.$item_title.'" />';
+            $return .= '<input name="description" type="hidden" value="'.$item_description.'" />';
         }
 
         if (is_numeric($extra_info)) {
-            $return .= '<input name="path" type="hidden" value="' . $extra_info . '" />';
+            $return .= '<input name="path" type="hidden" value="'.$extra_info.'" />';
         }
         elseif (is_array($extra_info)) {
-            $return .= '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />';
+            $return .= '<input name="path" type="hidden" value="'.$extra_info['path'].'" />';
         }
 
-        $return .= '<input name="type" type="hidden" value="' . TOOL_THREAD . '" />';
-        $return .= '<input name="post_time" type="hidden" value="' . time() . '" />';
+        $return .= '<input name="type" type="hidden" value="'.TOOL_THREAD.'" />';
+        $return .= '<input name="post_time" type="hidden" value="'.time().'" />';
         $return .= '</form>';
         $return .= '</div>';
 
@@ -7229,10 +7229,10 @@ 
         $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
 
         if ($id != 0 && is_array($extra_info)) {
-            $item_title 		= $extra_info['title'];
-            $item_description 	= $extra_info['description'];
-            $item_path = api_get_path(WEB_COURSE_PATH) . $_course['path'] . '/scorm/' . $this->path . '/' . stripslashes($extra_info['path']);
-            $item_path_fck = '/scorm/' . $this->path . '/' . stripslashes($extra_info['path']);
+            $item_title = $extra_info['title'];
+            $item_description = $extra_info['description'];
+            $item_path = api_get_path(WEB_COURSE_PATH).$_course['path'].'/scorm/'.$this->path.'/'.stripslashes($extra_info['path']);
+            $item_path_fck = '/scorm/'.$this->path.'/'.stripslashes($extra_info['path']);
         } else {
             $item_title = '';
             $item_description = '';
@@ -7246,17 +7246,17 @@ 
         }
 
         $id  = intval($id);
-        $sql = "SELECT * FROM " . $tbl_lp_item . "
+        $sql = "SELECT * FROM ".$tbl_lp_item."
                 WHERE
                     c_id = ".$course_id." AND
-                    lp_id = " . $this->lp_id . " AND
+                    lp_id = " . $this->lp_id." AND
                     id != $id";
 
         if ($item_type == 'module')
             $sql .= " AND parent_item_id = 0";
 
         $result = Database::query($sql);
-        $arrLP = array ();
+        $arrLP = array();
 
         while ($row = Database :: fetch_array($result)) {
             $arrLP[] = array(
@@ -7284,9 +7284,9 @@ 
 
         $gradebook = isset($_GET['gradebook']) ? Security :: remove_XSS($_GET['gradebook']) : null;
 
-        $url = api_get_self() . '?' .api_get_cidreq().'&gradeboook='.$gradebook.'&action='.$action.'&type='.$item_type.'&lp_id='.$this->lp_id;
+        $url = api_get_self().'?'.api_get_cidreq().'&gradeboook='.$gradebook.'&action='.$action.'&type='.$item_type.'&lp_id='.$this->lp_id;
 
-        $form = new FormValidator('form', 'POST',  $url);
+        $form = new FormValidator('form', 'POST', $url);
 
         $defaults['title'] = api_html_entity_decode($item_title, ENT_QUOTES, $charset);
         $defaults['description'] = $item_description;
@@ -7330,7 +7330,7 @@ 
             $parent_select = $form->addElement('select', 'parent', get_lang('Parent'), '', array('id' => 'idParent', 'onchange' => "javascript: load_cbo(this.value);"));
 
             foreach ($arrHide as $key => $value) {
-                $parent_select->addOption($value['value'], $key, 'style="padding-left:' . $value['padding'] . 'px;"');
+                $parent_select->addOption($value['value'], $key, 'style="padding-left:'.$value['padding'].'px;"');
             }
             if (!empty($s_selected_parent)) {
                 $parent_select->setSelected($s_selected_parent);
@@ -7352,16 +7352,16 @@ 
                     $s_selected_position = $arrLP[$i]['id'];
                 }
 
-                $arrHide[$arrLP[$i]['id']]['value'] = get_lang('After') . ' "' . $arrLP[$i]['title'] . '"';
+                $arrHide[$arrLP[$i]['id']]['value'] = get_lang('After').' "'.$arrLP[$i]['title'].'"';
             }
         }
 
         $position = $form->addElement('select', 'previous', get_lang('Position'), '', array('id' => 'previous'));
         $padding = isset($value['padding']) ? $value['padding'] : 0;
-        $position->addOption(get_lang('FirstPosition'), 0, 'style="padding-left:' . $padding . 'px;"');
+        $position->addOption(get_lang('FirstPosition'), 0, 'style="padding-left:'.$padding.'px;"');
 
         foreach ($arrHide as $key => $value) {
-            $position->addOption($value['value'] . '"', $key, 'style="padding-left:' . $padding . 'px;"');
+            $position->addOption($value['value'].'"', $key, 'style="padding-left:'.$padding.'px;"');
         }
 
         if (!empty ($s_selected_position)) {
@@ -7390,23 +7390,23 @@ 
         //assets can't be modified
 
         //$item_type == 'asset' ||
-        if (( $item_type == 'sco') && ($extension == 'html' || $extension == 'htm')) {
+        if (($item_type == 'sco') && ($extension == 'html' || $extension == 'htm')) {
 
             if ($item_type == 'sco') {
-                $form->addElement('html', '<script type="text/javascript">alert("' . get_lang('WarningWhenEditingScorm') . '")</script>');
+                $form->addElement('html', '<script type="text/javascript">alert("'.get_lang('WarningWhenEditingScorm').'")</script>');
             }
             $renderer = $form->defaultRenderer();
             $renderer->setElementTemplate('<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{label}<br />{element}', 'content_lp');
 
             $relative_prefix = '';
 
-            $editor_config = array( 'ToolbarSet' 			=> 'LearningPathDocuments',
+            $editor_config = array('ToolbarSet' 			=> 'LearningPathDocuments',
                 'Width' 				=> '100%',
                 'Height' 				=> '500',
                 'FullPage' 				=> true,
                 'CreateDocumentDir' 	=> $relative_prefix,
-                'CreateDocumentWebDir' 	=> api_get_path(WEB_COURSE_PATH) . api_get_course_path().'/scorm/',
-                'BaseHref' 				=> api_get_path(WEB_COURSE_PATH) . api_get_course_path().$item_path_fck
+                'CreateDocumentWebDir' 	=> api_get_path(WEB_COURSE_PATH).api_get_course_path().'/scorm/',
+                'BaseHref' 				=> api_get_path(WEB_COURSE_PATH).api_get_course_path().$item_path_fck
             );
 
             $form->addElement('html_editor', 'content_lp', '', null, $editor_config);
@@ -7415,7 +7415,7 @@ 
             $defaults['content_lp'] = file_get_contents($content_path);
         }
 
-        $form->addElement('hidden', 'type', 'dokeos_' . $item_type);
+        $form->addElement('hidden', 'type', 'dokeos_'.$item_type);
         $form->addElement('hidden', 'post_time', time());
         $form->setDefaults($defaults);
         return $form->return_form();
@@ -7453,8 +7453,8 @@ 
         // We don't display the document form if it's not an editable document (html or txt file).
         if ($action == "add") {
             if (is_numeric($extra_info)) {
-                $sql_doc = "SELECT path FROM " . $tbl_doc . "
-                            WHERE c_id = ".$course_id." AND id = " . intval($extra_info);
+                $sql_doc = "SELECT path FROM ".$tbl_doc."
+                            WHERE c_id = ".$course_id." AND id = ".intval($extra_info);
                 $result = Database::query($sql_doc);
                 $path_file = Database :: result($result, 0, 0);
                 $path_parts = pathinfo($path_file);
@@ -7472,13 +7472,13 @@ 
                 $item_title = stripslashes($path_parts['filename']);
             }
         } elseif (is_numeric($extra_info)) {
-            $sql_doc = "SELECT path, title FROM " . $tbl_doc . "
+            $sql_doc = "SELECT path, title FROM ".$tbl_doc."
                         WHERE
                             c_id = ".$course_id." AND
                             id = " . intval($extra_info);
 
             $result = Database::query($sql_doc);
-            $row 	= Database::fetch_array($result);
+            $row = Database::fetch_array($result);
             $item_title = $row['title'];
             $item_title = str_replace('_', ' ', $item_title);
             if (empty ($item_title)) {
@@ -7497,11 +7497,11 @@ 
             $parent = 0;
         }
 
-        $sql = "SELECT * FROM " . $tbl_lp_item . "
-                WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
+        $sql = "SELECT * FROM ".$tbl_lp_item."
+                WHERE c_id = ".$course_id." AND lp_id = ".$this->lp_id;
 
         $result = Database::query($sql);
-        $arrLP = array ();
+        $arrLP = array();
         while ($row = Database :: fetch_array($result)) {
             $arrLP[] = array(
                 'id' => $row['id'],
@@ -7535,9 +7535,9 @@ 
         $return .= '</legend>';
 
         if (isset ($_GET['edit']) && $_GET['edit'] == 'true') {
-            $return .= Display :: return_warning_message('<strong>' . get_lang('Warning') . ' !</strong><br />' . get_lang('WarningEditingDocument'), false);
+            $return .= Display :: return_warning_message('<strong>'.get_lang('Warning').' !</strong><br />'.get_lang('WarningEditingDocument'), false);
         }
-        $form = new FormValidator('form', 'POST', api_get_self() . '?' .$_SERVER['QUERY_STRING'], '', array('enctype'=> "multipart/form-data"));
+        $form = new FormValidator('form', 'POST', api_get_self().'?'.$_SERVER['QUERY_STRING'], '', array('enctype'=> "multipart/form-data"));
         $defaults['title'] = Security :: remove_XSS($item_title);
         if (empty($item_title)) {
             $defaults['title'] = Security::remove_XSS($item_title);
@@ -7573,15 +7573,15 @@ 
         }
 
         $parent_select = $form->addElement('select', 'parent', get_lang('Parent'), '', 'class="form-control" id="idParent" " onchange="javascript: load_cbo(this.value);"');
-        $my_count=0;
+        $my_count = 0;
         foreach ($arrHide as $key => $value) {
-            if ($my_count!=0) {
+            if ($my_count != 0) {
                 // The LP name is also the first section and is not in the same charset like the other sections.
                 $value['value'] = Security :: remove_XSS($value['value']);
-                $parent_select->addOption($value['value'], $key, 'style="padding-left:' . $value['padding'] . 'px;"');
+                $parent_select->addOption($value['value'], $key, 'style="padding-left:'.$value['padding'].'px;"');
             } else {
                 $value['value'] = Security :: remove_XSS($value['value']);
-                $parent_select->addOption($value['value'], $key, 'style="padding-left:' . $value['padding'] . 'px;"');
+                $parent_select->addOption($value['value'], $key, 'style="padding-left:'.$value['padding'].'px;"');
             }
             $my_count++;
         }
@@ -7589,7 +7589,7 @@ 
         if (!empty($id)) {
             $parent_select->setSelected($parent);
         } else {
-            $parent_item_id = isset($_SESSION['parent_item_id']) ? $_SESSION['parent_item_id'] : 0 ;
+            $parent_item_id = isset($_SESSION['parent_item_id']) ? $_SESSION['parent_item_id'] : 0;
             $parent_select->setSelected($parent_item_id);
         }
 
@@ -7606,7 +7606,7 @@ 
                 if (isset($extra_info['previous_item_id']) && $extra_info['previous_item_id'] == $arrLP[$i]['id'])
                     $s_selected_position = $arrLP[$i]['id'];
                 elseif ($action == 'add') $s_selected_position = $arrLP[$i]['id'];
-                $arrHide[$arrLP[$i]['id']]['value'] = get_lang('After') . ' "' . $arrLP[$i]['title'] . '"';
+                $arrHide[$arrLP[$i]['id']]['value'] = get_lang('After').' "'.$arrLP[$i]['title'].'"';
             }
         }
 
@@ -7614,8 +7614,8 @@ 
         $position->addOption(get_lang('FirstPosition'), 0);
 
         foreach ($arrHide as $key => $value) {
-            $padding = isset($value['padding']) ? $value['padding']: 0;
-            $position->addOption($value['value'], $key, 'style="padding-left:' . $padding . 'px;"');
+            $padding = isset($value['padding']) ? $value['padding'] : 0;
+            $position->addOption($value['value'], $key, 'style="padding-left:'.$padding.'px;"');
         }
         $position->setSelected($s_selected_position);
 
@@ -7685,7 +7685,7 @@ 
                             $relative_path 	 = array_slice($relative_path, 1, $cnt);
                             $relative_path 	 = implode('/', $relative_path);
                             if (strlen($relative_path) > 0) {
-                                $relative_path = $relative_path . '/';
+                                $relative_path = $relative_path.'/';
                             }
                         } else {
                             $result = $this->generate_lp_folder($_course);
@@ -7699,8 +7699,8 @@ 
                             'Height' 				=> '500',
                             'FullPage' 				=> true,
                             'CreateDocumentDir' 	=> $relative_prefix,
-                            'CreateDocumentWebDir' 	=> api_get_path(WEB_COURSE_PATH) . api_get_course_path().'/document/',
-                            'BaseHref' 				=> api_get_path(WEB_COURSE_PATH) . api_get_course_path().'/document/'.$relative_path
+                            'CreateDocumentWebDir' 	=> api_get_path(WEB_COURSE_PATH).api_get_course_path().'/document/',
+                            'BaseHref' 				=> api_get_path(WEB_COURSE_PATH).api_get_course_path().'/document/'.$relative_path
                         );
 
                         if ($_GET['action'] == 'add_item') {
@@ -7767,8 +7767,8 @@ 
             $item_url = stripslashes($extra_info['url']);
         } elseif (is_numeric($extra_info)) {
             $extra_info = intval($extra_info);
-            $sql = "SELECT title, description, url FROM " . $tbl_link . "
-                    WHERE c_id = ".$course_id." AND id = " . $extra_info;
+            $sql = "SELECT title, description, url FROM ".$tbl_link."
+                    WHERE c_id = ".$course_id." AND id = ".$extra_info;
             $result = Database::query($sql);
             $row = Database :: fetch_array($result);
             $item_title       = $row['title'];
@@ -7788,8 +7788,8 @@ 
             $parent = 0;
         }
 
-        $sql = "SELECT * FROM " . $tbl_lp_item . "
-                WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
+        $sql = "SELECT * FROM ".$tbl_lp_item."
+                WHERE c_id = ".$course_id." AND lp_id = ".$this->lp_id;
         $result = Database::query($sql);
         $arrLP = array();
 
@@ -7816,10 +7816,10 @@ 
         unset ($this->arrMenu);
 
         if ($action == 'add')
-            $legend .= get_lang('CreateTheLink') . '&nbsp;:';
-        elseif ($action == 'move') $legend .= get_lang('MoveCurrentLink') . '&nbsp;:';
+            $legend .= get_lang('CreateTheLink').'&nbsp;:';
+        elseif ($action == 'move') $legend .= get_lang('MoveCurrentLink').'&nbsp;:';
         else
-            $legend .= get_lang('EditCurrentLink') . '&nbsp;:';
+            $legend .= get_lang('EditCurrentLink').'&nbsp;:';
 
         $legend .= '</legend>';
 
@@ -7830,16 +7830,16 @@ 
 
         if ($action != 'move') {
             $return .= '<tr>';
-            $return .= '<td class="label"><label for="idTitle">' . get_lang('Title') . '</label></td>';
-            $return .= '<td class="input"><input id="idTitle" name="title" size="44" type="text" value="' . $item_title . '" class="learnpath_item_form"/></td>';
+            $return .= '<td class="label"><label for="idTitle">'.get_lang('Title').'</label></td>';
+            $return .= '<td class="input"><input id="idTitle" name="title" size="44" type="text" value="'.$item_title.'" class="learnpath_item_form"/></td>';
             $return .= '</tr>';
         }
 
         $return .= '<tr>';
-        $return .= '<td class="label"><label for="idParent">' . get_lang('Parent') . '</label></td>';
+        $return .= '<td class="label"><label for="idParent">'.get_lang('Parent').'</label></td>';
         $return .= '<td class="input">';
         $return .= '<select id="idParent" style="width:100%;" name="parent" onChange="javascript: load_cbo(this.value);" class="learnpath_item_form" size="1">';
-        $return .= '<option class="top" value="0">' . $this->name . '</option>';
+        $return .= '<option class="top" value="0">'.$this->name.'</option>';
         $arrHide = array(
             $id
         );
@@ -7849,13 +7849,13 @@ 
         for ($i = 0; $i < count($arrLP); $i++) {
             if ($action != 'add') {
                 if (($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide)) {
-                    $return .= '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
+                    $return .= '<option '.(($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '').'style="padding-left:'.($arrLP[$i]['depth'] * 10).'px;" value="'.$arrLP[$i]['id'].'">'.$arrLP[$i]['title'].'</option>';
                 } else {
                     $arrHide[] = $arrLP[$i]['id'];
                 }
             } else {
                 if ($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
-                    $return .= '<option ' . (($parent_item_id == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
+                    $return .= '<option '.(($parent_item_id == $arrLP[$i]['id']) ? 'selected="selected" ' : '').'style="padding-left:'.($arrLP[$i]['depth'] * 10).'px;" value="'.$arrLP[$i]['id'].'">'.$arrLP[$i]['title'].'</option>';
             }
         }
 
@@ -7867,11 +7867,11 @@ 
         $return .= '</td>';
         $return .= '</tr>';
         $return .= '<tr>';
-        $return .= '<td class="label"><label for="previous">' . get_lang('Position') . '</label></td>';
+        $return .= '<td class="label"><label for="previous">'.get_lang('Position').'</label></td>';
         $return .= '<td class="input">';
 
         $return .= '<select id="previous" name="previous" style="width:100%;" size="1" class="learnpath_item_form">';
-        $return .= '<option class="top" value="0">' . get_lang('FirstPosition') . '</option>';
+        $return .= '<option class="top" value="0">'.get_lang('FirstPosition').'</option>';
         for ($i = 0; $i < count($arrLP); $i++) {
             if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
                 if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
@@ -7881,7 +7881,7 @@ 
                 else
                     $selected = '';
 
-                $return .= '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">' . get_lang('After') . ' "' . $arrLP[$i]['title'] . '"</option>';
+                $return .= '<option '.$selected.'value="'.$arrLP[$i]['id'].'">'.get_lang('After').' "'.$arrLP[$i]['title'].'"</option>';
             }
         }
         $return .= '</select>';
@@ -7890,8 +7890,8 @@ 
 
         if ($action != 'move') {
             $return .= '<tr>';
-            $return .= '<td class="label"><label for="idURL">' . get_lang('Url') . '</label></td>';
-            $return .= '<td class="input"><input' . (is_numeric($extra_info) ? ' disabled="disabled"' : '') . ' id="idURL" name="url" style="width:99%;" type="text" value="' . $item_url . '" class="learnpath_item_form" /></td>';
+            $return .= '<td class="label"><label for="idURL">'.get_lang('Url').'</label></td>';
+            $return .= '<td class="input"><input'.(is_numeric($extra_info) ? ' disabled="disabled"' : '').' id="idURL" name="url" style="width:99%;" type="text" value="'.$item_url.'" class="learnpath_item_form" /></td>';
             $return .= '</tr>';
             $id_prerequisite = 0;
             if (is_array($arrLP)) {
@@ -7918,25 +7918,25 @@ 
 
         $return .= '<tr>';
         if ($action == 'add') {
-            $return .= '<td>&nbsp;</td><td><button class="save" name="submit_button" type="submit">' . get_lang('AddLinkToCourse') . '</button></td>';
+            $return .= '<td>&nbsp;</td><td><button class="save" name="submit_button" type="submit">'.get_lang('AddLinkToCourse').'</button></td>';
         } else {
-            $return .= '<td>&nbsp;</td><td><button class="save" name="submit_button" type="submit">' . get_lang('EditCurrentLink') . '</button></td>';
+            $return .= '<td>&nbsp;</td><td><button class="save" name="submit_button" type="submit">'.get_lang('EditCurrentLink').'</button></td>';
         }
         $return .= '</tr>';
         $return .= '</table>';
 
         if ($action == 'move') {
-            $return .= '<input name="title" type="hidden" value="' . $item_title . '" />';
-            $return .= '<input name="description" type="hidden" value="' . $item_description . '" />';
+            $return .= '<input name="title" type="hidden" value="'.$item_title.'" />';
+            $return .= '<input name="description" type="hidden" value="'.$item_description.'" />';
         }
 
         if (is_numeric($extra_info)) {
-            $return .= '<input name="path" type="hidden" value="' . $extra_info . '" />';
+            $return .= '<input name="path" type="hidden" value="'.$extra_info.'" />';
         } elseif (is_array($extra_info)) {
-            $return .= '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />';
+            $return .= '<input name="path" type="hidden" value="'.$extra_info['path'].'" />';
         }
-        $return .= '<input name="type" type="hidden" value="' . TOOL_LINK . '" />';
-        $return .= '<input name="post_time" type="hidden" value="' . time() . '" />';
+        $return .= '<input name="type" type="hidden" value="'.TOOL_LINK.'" />';
+        $return .= '<input name="post_time" type="hidden" value="'.time().'" />';
         $return .= '</form>';
         $return .= '</div>';
 
@@ -7962,8 +7962,8 @@ 
         } elseif (is_numeric($extra_info)) {
             $extra_info = intval($extra_info);
             $sql = "SELECT title, description
-                    FROM " . $tbl_publication . "
-                    WHERE c_id = ".$course_id." AND id = " . $extra_info;
+                    FROM " . $tbl_publication."
+                    WHERE c_id = ".$course_id." AND id = ".$extra_info;
 
             $result = Database::query($sql);
             $row = Database :: fetch_array($result);
@@ -7979,13 +7979,13 @@ 
             $parent = 0;
         }
 
-        $sql = "SELECT * FROM " . $tbl_lp_item . "
-                WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
+        $sql = "SELECT * FROM ".$tbl_lp_item."
+                WHERE c_id = ".$course_id." AND lp_id = ".$this->lp_id;
 
         $result = Database::query($sql);
         $arrLP = array();
         while ($row = Database :: fetch_array($result)) {
-            $arrLP[] = array (
+            $arrLP[] = array(
                 'id' => $row['id'],
                 'item_type' => $row['item_type'],
                 'title' => $row['title'],
@@ -8031,7 +8031,7 @@ 
             ]
         );
 
-        $arrHide = array (
+        $arrHide = array(
             $id
         );
 
@@ -8049,7 +8049,7 @@ 
                     $parentSelect->addOption(
                         $arrLP[$i]['title'],
                         $arrLP[$i]['id'],
-                        ['style' => 'padding-left: ' . (($arrLP[$i]['depth'] * 10) + 20) . 'px;']
+                        ['style' => 'padding-left: '.(($arrLP[$i]['depth'] * 10) + 20).'px;']
                     );
 
                     if ($parent == $arrLP[$i]['id']) {
@@ -8066,7 +8066,7 @@ 
                     $parentSelect->addOption(
                         $arrLP[$i]['title'],
                         $arrLP[$i]['id'],
-                        ['style' => 'padding-left: ' . (($arrLP[$i]['depth'] * 10) + 20) . 'px;']
+                        ['style' => 'padding-left: '.(($arrLP[$i]['depth'] * 10) + 20).'px;']
                     );
 
                     if ($parent == $arrLP[$i]['id']) {
@@ -8090,7 +8090,7 @@ 
         for ($i = 0; $i < count($arrLP); $i++) {
             if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
                 $previousSelect->addOption(
-                    get_lang('After') . ' "' . $arrLP[$i]['title'] . '"',
+                    get_lang('After').' "'.$arrLP[$i]['title'].'"',
                     $arrLP[$i]['id']
                 );
 
@@ -8112,7 +8112,7 @@ 
                     }
                 }
             }
-            $arrHide = array ();
+            $arrHide = array();
             for ($i = 0; $i < count($arrLP); $i++) {
                 if ($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter') {
                     if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
@@ -8204,8 +8204,8 @@ 
 
         $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
         $item_id = intval($item_id);
-        $sql = "SELECT * FROM " . $tbl_lp_item . " as lp
-                WHERE lp.c_id = ".$course_id." AND lp.id = " . $item_id;
+        $sql = "SELECT * FROM ".$tbl_lp_item." as lp
+                WHERE lp.c_id = ".$course_id." AND lp.id = ".$item_id;
         $result = Database::query($sql);
         $row = Database::fetch_assoc($result);
 
@@ -8219,16 +8219,16 @@ 
             $audio_player .= '<script>
                                 var s1 = new SWFObject("../inc/lib/mediaplayer/player.swf","ply","250","20","9","#FFFFFF");
                                 s1.addParam("allowscriptaccess","always");
-                                s1.addParam("flashvars","file=../../courses/' . $_course['path'] . '/document/audio/' . $row['audio'] . '&autostart=true");
+                                s1.addParam("flashvars","file=../../courses/' . $_course['path'].'/document/audio/'.$row['audio'].'&autostart=true");
                                 s1.write("container");
                             </script>';
         }
 
-        $url = api_get_self().'?cidReq='.Security::remove_XSS($_GET['cidReq']).'&view=build&id='.$item_id .'&lp_id='.$this->lp_id;
+        $url = api_get_self().'?cidReq='.Security::remove_XSS($_GET['cidReq']).'&view=build&id='.$item_id.'&lp_id='.$this->lp_id;
 
         $return .= Display::url(
             Display::return_icon('edit.png', get_lang('Edit'), array(), ICON_SIZE_SMALL),
-            $url.'&action=edit_item&path_item=' . $row['path']
+            $url.'&action=edit_item&path_item='.$row['path']
         );
 
         $return .= Display::url(
@@ -8248,12 +8248,12 @@ 
             $url.'&action=delete_item'
         );
 
-        if ($item_type == TOOL_HOTPOTATOES ) {
+        if ($item_type == TOOL_HOTPOTATOES) {
             $document_data = DocumentManager::get_document_data_by_id($row['path'], $course_code);
             $return .= get_lang('File').': '.$document_data['absolute_path_from_document'];
         }
 
-        if ($item_type == TOOL_DOCUMENT ) {
+        if ($item_type == TOOL_DOCUMENT) {
             $document_data = DocumentManager::get_document_data_by_id($row['path'], $course_code);
             $return .= get_lang('File').': '.$document_data['absolute_path_from_document'];
         }
@@ -8274,13 +8274,13 @@ 
     public function get_js_dropdown_array()
     {
         $course_id = api_get_course_int_id();
-        $return = 'var child_name = new Array();' . "\n";
-        $return .= 'var child_value = new Array();' . "\n\n";
-        $return .= 'child_name[0] = new Array();' . "\n";
-        $return .= 'child_value[0] = new Array();' . "\n\n";
+        $return = 'var child_name = new Array();'."\n";
+        $return .= 'var child_value = new Array();'."\n\n";
+        $return .= 'child_name[0] = new Array();'."\n";
+        $return .= 'child_value[0] = new Array();'."\n\n";
         $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
-        $sql_zero = "SELECT * FROM " . $tbl_lp_item . "
-                    WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id . " AND parent_item_id = 0
+        $sql_zero = "SELECT * FROM ".$tbl_lp_item."
+                    WHERE c_id = ".$course_id." AND lp_id = ".$this->lp_id." AND parent_item_id = 0
                     ORDER BY display_order ASC";
         $res_zero = Database::query($sql_zero);
         $i = 0;
@@ -8290,28 +8290,28 @@ 
                 $row_zero['title'] = Exercise::get_formated_title_variable($row_zero['title']);
             }
             $js_var = json_encode(get_lang('After').' '.$row_zero['title']);
-            $return .= 'child_name[0][' . $i . '] = '.$js_var.' ;' . "\n";
-            $return .= 'child_value[0][' . $i++ . '] = "' . $row_zero['id'] . '";' . "\n";
+            $return .= 'child_name[0]['.$i.'] = '.$js_var.' ;'."\n";
+            $return .= 'child_value[0]['.$i++.'] = "'.$row_zero['id'].'";'."\n";
         }
         $return .= "\n";
-        $sql = "SELECT * FROM " . $tbl_lp_item . "
-                WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
+        $sql = "SELECT * FROM ".$tbl_lp_item."
+                WHERE c_id = ".$course_id." AND lp_id = ".$this->lp_id;
         $res = Database::query($sql);
         while ($row = Database :: fetch_array($res)) {
-            $sql_parent = "SELECT * FROM " . $tbl_lp_item . "
+            $sql_parent = "SELECT * FROM ".$tbl_lp_item."
                            WHERE
                                 c_id = ".$course_id." AND
-                                parent_item_id = " . $row['id'] . "
+                                parent_item_id = " . $row['id']."
                            ORDER BY display_order ASC";
             $res_parent = Database::query($sql_parent);
             $i = 0;
-            $return .= 'child_name[' . $row['id'] . '] = new Array();' . "\n";
-            $return .= 'child_value[' . $row['id'] . '] = new Array();' . "\n\n";
+            $return .= 'child_name['.$row['id'].'] = new Array();'."\n";
+            $return .= 'child_value['.$row['id'].'] = new Array();'."\n\n";
 
             while ($row_parent = Database :: fetch_array($res_parent)) {
                 $js_var = json_encode(get_lang('After').' '.$row_parent['title']);
-                $return .= 'child_name[' . $row['id'] . '][' . $i . '] =   '.$js_var.' ;' . "\n";
-                $return .= 'child_value[' . $row['id'] . '][' . $i++ . '] = "' . $row_parent['id'] . '";' . "\n";
+                $return .= 'child_name['.$row['id'].']['.$i.'] =   '.$js_var.' ;'."\n";
+                $return .= 'child_value['.$row['id'].']['.$i++.'] = "'.$row_parent['id'].'";'."\n";
             }
             $return .= "\n";
         }
@@ -8332,8 +8332,8 @@ 
         if (is_numeric($item_id)) {
             $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
 
-            $sql = "SELECT * FROM " . $tbl_lp_item . "
-                    WHERE c_id = ".$course_id." AND id = " . $item_id;
+            $sql = "SELECT * FROM ".$tbl_lp_item."
+                    WHERE c_id = ".$course_id." AND id = ".$item_id;
 
             $res = Database::query($sql);
             $row = Database :: fetch_array($res);
@@ -8392,7 +8392,7 @@ 
      */
     public function display_item_small_form($item_type, $title = '', $data = array())
     {
-        $url = api_get_self() . '?' .api_get_cidreq().'&action=edit_item&lp_id='.$this->lp_id;
+        $url = api_get_self().'?'.api_get_cidreq().'&action=edit_item&lp_id='.$this->lp_id;
         $form = new FormValidator('small_form', 'post', $url);
         $form->addElement('header', $title);
         $form->addElement('text', 'title', get_lang('Title'));
@@ -8418,7 +8418,7 @@ 
         $item_id = intval($item_id);
         /* Current prerequisite */
         $sql = "SELECT * FROM $tbl_lp_item
-                WHERE c_id = $course_id AND id = " . $item_id;
+                WHERE c_id = $course_id AND id = ".$item_id;
         $result = Database::query($sql);
         $row    = Database::fetch_array($result);
         $prerequisiteId = $row['prerequisite'];
@@ -8428,20 +8428,20 @@ 
         $return .= '<form method="POST">';
         $return .= '<table class="data_table">';
         $return .= '<tr>';
-        $return .= '<th height="24">' . get_lang('LearnpathPrerequisites') . '</th>';
-        $return .= '<th width="70" >' . get_lang('Minimum') . '</th>';
-        $return .= '<th width="70">' . get_lang('Maximum') . '</th>';
+        $return .= '<th height="24">'.get_lang('LearnpathPrerequisites').'</th>';
+        $return .= '<th width="70" >'.get_lang('Minimum').'</th>';
+        $return .= '<th width="70">'.get_lang('Maximum').'</th>';
         $return .= '</tr>';
 
         // Adding the none option to the prerequisites see http://www.chamilo.org/es/node/146
         $return .= '<tr >';
         $return .= '<td colspan="3" class="radio">';
         $return .= '<input checked="checked" id="idNone" name="prerequisites"  style="margin-left:0px; margin-right:10px;" type="radio" />';
-        $return .= '<label for="idNone">' . get_lang('None') . '</label>';
+        $return .= '<label for="idNone">'.get_lang('None').'</label>';
         $return .= '</tr>';
 
         $sql = "SELECT * FROM $tbl_lp_item
-                WHERE c_id = $course_id AND lp_id = " . $this->lp_id;
+                WHERE c_id = $course_id AND lp_id = ".$this->lp_id;
         $result = Database::query($sql);
         $arrLP = array();
 
@@ -8484,25 +8484,25 @@ 
             }
 
             $selectedMaxScoreValue = isset($selectedMaxScore[$item['id']]) ? $selectedMaxScore[$item['id']] : $item['max_score'];
-            $selectedMinScoreValue = isset($selectedMinScore[$item['id']]) ? $selectedMinScore[$item['id']]: 0;
+            $selectedMinScoreValue = isset($selectedMinScore[$item['id']]) ? $selectedMinScore[$item['id']] : 0;
 
             $return .= '<tr>';
-            $return .= '<td class="radio"' . (($item['item_type'] != TOOL_QUIZ && $item['item_type'] != TOOL_HOTPOTATOES) ? ' colspan="3"' : '') . '>';
-            $return .= '<label for="id' . $item['id'] . '">';
-            $return .= '<input' . (in_array($prerequisiteId, array($item['id'], $item['ref'])) ? ' checked="checked" ' : '') . (($item['item_type'] == 'dokeos_module' || $item['item_type'] == 'dokeos_chapter') ? ' disabled="disabled" ' : ' ') . 'id="id' . $item['id'] . '" name="prerequisites" style="margin-left:' . $item['depth'] * 10 . 'px; margin-right:10px;" type="radio" value="' . $item['id'] . '" />';
+            $return .= '<td class="radio"'.(($item['item_type'] != TOOL_QUIZ && $item['item_type'] != TOOL_HOTPOTATOES) ? ' colspan="3"' : '').'>';
+            $return .= '<label for="id'.$item['id'].'">';
+            $return .= '<input'.(in_array($prerequisiteId, array($item['id'], $item['ref'])) ? ' checked="checked" ' : '').(($item['item_type'] == 'dokeos_module' || $item['item_type'] == 'dokeos_chapter') ? ' disabled="disabled" ' : ' ').'id="id'.$item['id'].'" name="prerequisites" style="margin-left:'.$item['depth'] * 10.'px; margin-right:10px;" type="radio" value="'.$item['id'].'" />';
             $icon_name = str_replace(' ', '', $item['item_type']);
 
-            if (file_exists('../img/lp_' . $icon_name . '.png')) {
-                $return .= Display::return_icon('lp_' . $icon_name . '.png');
+            if (file_exists('../img/lp_'.$icon_name.'.png')) {
+                $return .= Display::return_icon('lp_'.$icon_name.'.png');
             } else {
-                if (file_exists('../img/lp_' . $icon_name . '.gif')) {
-                    $return .= Display::return_icon('lp_' . $icon_name . '.gif');
+                if (file_exists('../img/lp_'.$icon_name.'.gif')) {
+                    $return .= Display::return_icon('lp_'.$icon_name.'.gif');
                 } else {
                     $return .= Display::return_icon('folder_document.gif', '', array('style'=>'margin-right:5px;'));
                 }
             }
 
-            $return .=  $item['title'] . '</label>';
+            $return .= $item['title'].'</label>';
             $return .= '</td>';
 
             if ($item['item_type'] == TOOL_QUIZ) {
@@ -8516,19 +8516,19 @@ 
                 $item['max_score'] = $tmp_obj_lp_item->max_score;
 
                 $return .= '<td class="exercise">';
-                $return .= '<input size="4" maxlength="3" name="min_' . $item['id'] . '" type="number" min="0" step="any" max="'.$item['max_score'].'" value="' . $selectedMinScoreValue. '" />';
+                $return .= '<input size="4" maxlength="3" name="min_'.$item['id'].'" type="number" min="0" step="any" max="'.$item['max_score'].'" value="'.$selectedMinScoreValue.'" />';
                 $return .= '</td>';
                 $return .= '<td class="exercise">';
-                $return .= '<input size="4" maxlength="3" name="max_' . $item['id'] . '" type="number" min="0" step="any" max="'.$item['max_score'].'" value="' . $selectedMaxScoreValue . '" />';
+                $return .= '<input size="4" maxlength="3" name="max_'.$item['id'].'" type="number" min="0" step="any" max="'.$item['max_score'].'" value="'.$selectedMaxScoreValue.'" />';
                 $return .= '</td>';
             }
 
             if ($item['item_type'] == TOOL_HOTPOTATOES) {
                 $return .= '<td class="exercise">';
-                $return .= '<center><input size="4" maxlength="3" name="min_' . $item['id'] . '" type="number" min="0" step="any" max="'.$item['max_score'].'" value="' . $selectedMinScoreValue . '" /></center>';
+                $return .= '<center><input size="4" maxlength="3" name="min_'.$item['id'].'" type="number" min="0" step="any" max="'.$item['max_score'].'" value="'.$selectedMinScoreValue.'" /></center>';
                 $return .= '</td>';
                 $return .= '<td class="exercise"">';
-                $return .= '<center><input size="4" maxlength="3" name="max_' . $item['id'] . '" type="number" min="0" step="any" max="'.$item['max_score'].'"  value="'.$selectedMaxScoreValue . '" /></center>';
+                $return .= '<center><input size="4" maxlength="3" name="max_'.$item['id'].'" type="number" min="0" step="any" max="'.$item['max_score'].'"  value="'.$selectedMaxScoreValue.'" /></center>';
                 $return .= '</td>';
             }
             $return .= '</tr>';
@@ -8537,7 +8537,7 @@ 
         $return .= '</tr>';
         $return .= '</table>';
         $return .= '<div style="padding-top:3px;">';
-        $return .= '<button class="btn btn-primary" name="submit_button" type="submit">' . get_lang('ModifyPrerequisites') . '</button>';
+        $return .= '<button class="btn btn-primary" name="submit_button" type="submit">'.get_lang('ModifyPrerequisites').'</button>';
         $return .= '</form>';
 
         return $return;
@@ -8573,7 +8573,7 @@ 
                 if ($row['id'] == $lp_id) {
                     continue;
                 }
-                $return .= '<option value="'.$row['id'].'" '.(($row['id']==$prerequisiteId)?' selected ' : '').'>'.$row['name'].'</option>';
+                $return .= '<option value="'.$row['id'].'" '.(($row['id'] == $prerequisiteId) ? ' selected ' : '').'>'.$row['name'].'</option>';
             }
         }
         $return .= '</select>';
@@ -8633,8 +8633,8 @@ 
                      WHERE c_id = $course_id AND $activeCondition $condition_session
                      ORDER BY title ASC";
 
-        $sql_hot  = "SELECT * FROM $tbl_doc
-                     WHERE c_id = $course_id AND path LIKE '" . $uploadPath . "/%/%htm%'  $condition_session
+        $sql_hot = "SELECT * FROM $tbl_doc
+                     WHERE c_id = $course_id AND path LIKE '".$uploadPath."/%/%htm%'  $condition_session
                      ORDER BY id ASC";
 
         $res_quiz = Database::query($sql_quiz);
@@ -8643,8 +8643,8 @@ 
         $return = '<ul class="lp_resource">';
         $return .= '<li class="lp_resource_element">';
         $return .= Display::return_icon('new_test_small.gif');
-        $return .= '<a href="' . api_get_path(WEB_CODE_PATH) . 'exercice/exercise_admin.php?'.api_get_cidreq().'&lp_id=' . $this->lp_id . '">' .
-            get_lang('NewExercise') . '</a>';
+        $return .= '<a href="'.api_get_path(WEB_CODE_PATH).'exercice/exercise_admin.php?'.api_get_cidreq().'&lp_id='.$this->lp_id.'">'.
+            get_lang('NewExercise').'</a>';
         $return .= '</li>';
 
         // Display hotpotatoes
@@ -8656,8 +8656,8 @@ 
             $return .= '</a> ';
 
             $return .= Display::return_icon('hotpotatoes_s.png');
-            $return .= '<a href="' . api_get_self() . '?' . api_get_cidreq().'&action=add_item&type=' . TOOL_HOTPOTATOES . '&file=' . $row_hot['id'] . '&lp_id=' . $this->lp_id . '">'.
-                ((!empty ($row_hot['comment'])) ? $row_hot['comment'] : Security :: remove_XSS($row_hot['title'])) . '</a>';
+            $return .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=add_item&type='.TOOL_HOTPOTATOES.'&file='.$row_hot['id'].'&lp_id='.$this->lp_id.'">'.
+                ((!empty ($row_hot['comment'])) ? $row_hot['comment'] : Security :: remove_XSS($row_hot['title'])).'</a>';
             $return .= '</li>';
         }
 
@@ -8667,7 +8667,7 @@ 
             $return .= Display::return_icon('move_everywhere.png', get_lang('Move'), array(), ICON_SIZE_TINY);
             $return .= '</a> ';
             $return .= Display::return_icon('quizz_small.gif', '', array(), ICON_SIZE_TINY);
-            $return .= '<a href="' . api_get_self() . '?'.api_get_cidreq().'&action=add_item&type=' . TOOL_QUIZ . '&file=' . $row_quiz['id'] . '&lp_id=' . $this->lp_id . '">' .
+            $return .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=add_item&type='.TOOL_QUIZ.'&file='.$row_quiz['id'].'&lp_id='.$this->lp_id.'">'.
                 Security :: remove_XSS(cut($row_quiz['title'], 80)).
                 '</a>';
             $return .= '</li>';
@@ -8741,7 +8741,7 @@ 
         foreach ($categorizedLinks as $categoryId => $links) {
             $linkNodes = null;
             foreach ($links as $key => $title) {
-                if (api_get_item_visibility($course, TOOL_LINK, $key, $session_id) != 2)  {
+                if (api_get_item_visibility($course, TOOL_LINK, $key, $session_id) != 2) {
                     $linkNodes .=
                         '<li class="lp_resource_element" data_id="'.$key.'" data_type="'.TOOL_LINK.'" title="'.$title.'" >
                         <a class="moved" href="#">'.
@@ -8779,7 +8779,7 @@ 
         $return = '<div class="lp_resource" >';
         $return .= '<div class="lp_resource_element">';
         $return .= Display::return_icon('works_small.gif', '', array(), ICON_SIZE_TINY);
-        $return .= '<a href="' . api_get_self() . '?' . api_get_cidreq() . '&action=add_item&type=' . TOOL_STUDENTPUBLICATION . '&lp_id=' . $this->lp_id . '">' . get_lang('AddAssignmentPage') . '</a>';
+        $return .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=add_item&type='.TOOL_STUDENTPUBLICATION.'&lp_id='.$this->lp_id.'">'.get_lang('AddAssignmentPage').'</a>';
         $return .= '</div>';
         $return .= '</div>';
         return $return;
@@ -8800,7 +8800,7 @@ 
         //First add link
         $return .= '<li class="lp_resource_element">';
         $return .= Display::return_icon('forum_new_small.gif');
-        $return .= '<a href="' . api_get_path(WEB_CODE_PATH) . 'forum/index.php?' . api_get_cidreq() . '&action=add&content=forum&origin=learnpath&lp_id=' . $this->lp_id . '" title="' . get_lang('CreateANewForum') . '">' . get_lang('CreateANewForum') . '</a>';
+        $return .= '<a href="'.api_get_path(WEB_CODE_PATH).'forum/index.php?'.api_get_cidreq().'&action=add&content=forum&origin=learnpath&lp_id='.$this->lp_id.'" title="'.get_lang('CreateANewForum').'">'.get_lang('CreateANewForum').'</a>';
         $return .= '</li>';
 
         $return .= '<script>
@@ -8822,15 +8822,15 @@ 
                 $return .= Display::return_icon('move_everywhere.png', get_lang('Move'), array(), ICON_SIZE_TINY);
                 $return .= ' </a>';
                 $return .= Display::return_icon('lp_forum.png', '', array(), ICON_SIZE_TINY);
-                $return .= '<a style="cursor:hand" onclick="javascript: toggle_forum(' . $forum['forum_id'] . ')" style="vertical-align:middle">
-                                <img src="' . Display::returnIconPath('add.gif').'" id="forum_' . $forum['forum_id'] . '_opener" align="absbottom" />
+                $return .= '<a style="cursor:hand" onclick="javascript: toggle_forum('.$forum['forum_id'].')" style="vertical-align:middle">
+                                <img src="' . Display::returnIconPath('add.gif').'" id="forum_'.$forum['forum_id'].'_opener" align="absbottom" />
                             </a>
-                            <a href="' . api_get_self() . '?'.api_get_cidreq().'&action=add_item&type=' . TOOL_FORUM . '&forum_id=' . $forum['forum_id'] . '&lp_id=' . $this->lp_id . '" style="vertical-align:middle">' .
-                    Security :: remove_XSS($forum['forum_title']) . '</a>';
+                            <a href="' . api_get_self().'?'.api_get_cidreq().'&action=add_item&type='.TOOL_FORUM.'&forum_id='.$forum['forum_id'].'&lp_id='.$this->lp_id.'" style="vertical-align:middle">'.
+                    Security :: remove_XSS($forum['forum_title']).'</a>';
 
                 $return .= '</li>';
 
-                $return .= '<div style="display:none" id="forum_' . $forum['forum_id'] . '_content">';
+                $return .= '<div style="display:none" id="forum_'.$forum['forum_id'].'_content">';
                 $a_threads = get_threads($forum['forum_id']);
                 if (is_array($a_threads)) {
                     foreach ($a_threads as $thread) {
@@ -8839,8 +8839,8 @@ 
                         $return .= Display::return_icon('move_everywhere.png', get_lang('Move'), array(), ICON_SIZE_TINY);
                         $return .= ' </a>';
                         $return .= Display::return_icon('forumthread.png', get_lang('Thread'), array(), ICON_SIZE_TINY);
-                        $return .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=add_item&type=' . TOOL_THREAD . '&thread_id=' . $thread['thread_id'] . '&lp_id=' . $this->lp_id . '">' .
-                            Security :: remove_XSS($thread['thread_title']) . '</a>';
+                        $return .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=add_item&type='.TOOL_THREAD.'&thread_id='.$thread['thread_id'].'&lp_id='.$this->lp_id.'">'.
+                            Security :: remove_XSS($thread['thread_title']).'</a>';
                         $return .= '</li>';
                     }
                 }
@@ -8911,7 +8911,7 @@ 
         if (is_dir($current_course_path.'/scorm/'.$this->path) && is_file($current_course_path.'/scorm/'.$this->path.'/imsmanifest.xml')) {
             // Remove the possible . at the end of the path.
             $dest_path_to_lp = substr($this->path, -1) == '.' ? substr($this->path, 0, -1) : $this->path;
-            $dest_path_to_scorm_folder = str_replace('//','/',$temp_zip_dir.'/scorm/'.$dest_path_to_lp);
+            $dest_path_to_scorm_folder = str_replace('//', '/', $temp_zip_dir.'/scorm/'.$dest_path_to_lp);
             mkdir($dest_path_to_scorm_folder, api_get_permissions_for_new_directories(), true);
             $zip_files_dist = copyr($current_course_path.'/scorm/'.$this->path, $dest_path_to_scorm_folder, array('imsmanifest'), $zip_files);
         }
@@ -8979,7 +8979,7 @@ 
                 if ($item->type == 'sco') {
                     $inc_docs = $item->get_resources_from_source(
                         null,
-                        api_get_path(SYS_COURSE_PATH) . api_get_course_path() . '/' . 'scorm/' . $this->path . '/' . $item->get_path()
+                        api_get_path(SYS_COURSE_PATH).api_get_course_path().'/'.'scorm/'.$this->path.'/'.$item->get_path()
                     );
                 } else {
                     $inc_docs = $item->get_resources_from_source();
@@ -9195,7 +9195,7 @@ 
                                         $file_path = substr($file_path, strlen($current_dir)); // We get the relative path.
                                         $zip_files[] = $my_sub_dir.'/'.$file_path;
                                         $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $file_path);
-                                        $my_dep_file->setAttribute('href','document/'.$file_path);
+                                        $my_dep_file->setAttribute('href', 'document/'.$file_path);
                                         $my_dep->setAttribute('xml:base', '');
                                     }
                                 }
@@ -9326,7 +9326,7 @@ 
                         //$my_item->appendChild($my_max_score);
                         // Give a child element <adlcp:prerequisites> to the <item> element.
                         $my_prereqs = $xmldoc->createElement('adlcp:prerequisites', $item->get_prereq_string());
-                        $my_prereqs->setAttribute('type','aicc_script');
+                        $my_prereqs->setAttribute('type', 'aicc_script');
                         $my_item->appendChild($my_prereqs);
                         // Give a child element <adlcp:masteryscore> to the <item> element.
                         $my_masteryscore = $xmldoc->createElement('adlcp:masteryscore', $item->get_mastery_score());
@@ -9379,7 +9379,7 @@ 
                         $my_resource->appendChild($my_file);
 
                         // Get included docs.
-                        $inc_docs = $item->get_resources_from_source(null,$tmp_file_path);
+                        $inc_docs = $item->get_resources_from_source(null, $tmp_file_path);
                         // Dependency to other files - not yet supported.
                         $i = 1;
                         foreach ($inc_docs as $doc_info) {
@@ -9440,7 +9440,7 @@ 
                                         $my_dep_file->setAttribute('href', $file_path);
                                         $my_dep->setAttribute('xml:base', '');
 
-                                        if (strstr($file_path,$main_path) !== false) {
+                                        if (strstr($file_path, $main_path) !== false) {
                                             // The calculated real path is really inside the chamilo root path.
                                             // Reduce file path to what's under the DocumentRoot.
                                             $file_path = substr($file_path, strlen($root_path));
@@ -9458,7 +9458,7 @@ 
                                             $file_path = $_SERVER['DOCUMENT_ROOT'].$doc_info[0];
                                             $file_path = str_replace('//', '/', $file_path);
                                             if (file_exists($file_path)) {
-                                                $file_path = substr($file_path,strlen($current_dir)); // We get the relative path.
+                                                $file_path = substr($file_path, strlen($current_dir)); // We get the relative path.
                                                 $zip_files[] = $my_sub_dir.'/'.$file_path;
                                                 $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $file_path);
                                                 $my_dep_file->setAttribute('href', 'document/'.$file_path);
@@ -9687,7 +9687,7 @@ 
             if (strpos($extra_file, '.') === 0)
                 continue;
             else {
-                $dest_file = $archive_path . $temp_dir_short . '/' . $extra_file;
+                $dest_file = $archive_path.$temp_dir_short.'/'.$extra_file;
                 $this->create_path($dest_file);
                 copy($main_code_path.$extra_file, $dest_file);
             }
@@ -9740,7 +9740,7 @@ 
                             }
                             $file_path = api_get_path(SYS_COURSE_PATH).$course_data['path'].'/document'.$file_data['path'];
                             if (file_exists($file_path)) {
-                                $files_to_export[] = array('title'=>$item->get_title(),'path'=>$file_path);
+                                $files_to_export[] = array('title'=>$item->get_title(), 'path'=>$file_path);
                             }
                             break;
                         case 'asset': //commes from a scorm package generated by chamilo
@@ -9780,12 +9780,12 @@ 
 
         foreach ($path_bits as $bit) {
             if (!empty ($bit)) {
-                $new_path = $path_built . $bit;
+                $new_path = $path_built.$bit;
                 if (is_dir($new_path)) {
-                    $path_built = $new_path . '/';
+                    $path_built = $new_path.'/';
                 } else {
                     mkdir($new_path, api_get_permissions_for_new_directories());
-                    $path_built = $new_path . '/';
+                    $path_built = $new_path.'/';
                 }
             }
         }
@@ -9829,9 +9829,9 @@ 
 
         if ($upload_ok) {
             if ($has_attachment) {
-                $courseDir = api_get_course_path() . '/upload/learning_path/images';
+                $courseDir = api_get_course_path().'/upload/learning_path/images';
                 $sys_course_path = api_get_path(SYS_COURSE_PATH);
-                $updir = $sys_course_path . $courseDir;
+                $updir = $sys_course_path.$courseDir;
                 // Try to add an extension to the file if it hasn't one.
                 $new_file_name = add_ext_on_mime(stripslashes($image_array['name']), $image_array['type']);
 
@@ -9886,7 +9886,7 @@ 
             //Setting my lp_id to autolaunch = 1
             $attributes['autolaunch'] = 1;
             $where = array('id = ? AND session_id = ? AND c_id = ?'=> array($lp_id, api_get_session_id(), $course_id));
-            Database::update($lp_table, $attributes, $where );
+            Database::update($lp_table, $attributes, $where);
         }
     }
 
@@ -9905,13 +9905,13 @@ 
 
         // Get the max order of the items
         $sql_max_order = "SELECT max(display_order) AS display_order FROM $table_lp_item
-    	                  WHERE c_id = $course_id AND lp_id = '" . $this->lp_id . "'";
+    	                  WHERE c_id = $course_id AND lp_id = '".$this->lp_id."'";
         $rs_max_order = Database::query($sql_max_order);
         $row_max_order = Database::fetch_object($rs_max_order);
         $max_order = $row_max_order->display_order;
         // Get the previous item ID
         $sql = "SELECT id as previous FROM $table_lp_item
-                WHERE c_id = $course_id AND lp_id = '" . $this->lp_id . "' AND display_order = '".$max_order."' ";
+                WHERE c_id = $course_id AND lp_id = '".$this->lp_id."' AND display_order = '".$max_order."' ";
         $rs_max = Database::query($sql);
         $row_max = Database::fetch_object($rs_max);
 
@@ -9967,9 +9967,9 @@ 
         $documents_total_space = DocumentManager::documents_total_space();
         $course_max_space = DocumentManager::get_course_quota();
         $total_size = filesize($s) + $documents_total_space;
-        if (filesize($s)>$post_max || filesize($s)>$upl_max  || $total_size>$course_max_space ){
+        if (filesize($s) > $post_max || filesize($s) > $upl_max || $total_size > $course_max_space) {
             return true;
-        } else{
+        } else {
             return false;
         }
     }
@@ -10309,7 +10309,7 @@ 
         if ($this->debug > 0) {
             error_log('New LP - In learnpath::set_subscribe_users()', 0);
         }
-        $this->subscribeUsers = intval($value);;
+        $this->subscribeUsers = intval($value); ;
         $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
         $lp_id = $this->get_id();
         $sql = "UPDATE $lp_table SET subscribe_users = ".$this->subscribeUsers."
@@ -10655,7 +10655,7 @@ 
      */
     public function createForum($forumCategoryId)
     {
-        require_once api_get_path(SYS_CODE_PATH) . '/forum/forumfunction.inc.php';
+        require_once api_get_path(SYS_CODE_PATH).'/forum/forumfunction.inc.php';
 
         $forumId = store_forum(
             [

main/document/create_audio.php

Indentation +243 added lines, -243 removed lines

@@ -23,26 +23,26 @@ 
 $groupId = api_get_group_id();
 
 if (api_get_setting('enabled_text2audio') == 'false') {
-	api_not_allowed(true);
+    api_not_allowed(true);
 }
 
 $document_data = DocumentManager::get_document_data_by_id(
-	$_REQUEST['id'],
-	api_get_course_id()
+    $_REQUEST['id'],
+    api_get_course_id()
 );
 if (empty($document_data)) {
     if (api_is_in_group()) {
-		$group_properties = GroupManager::get_group_properties(
-			$groupId
-		);
-		$document_id = DocumentManager::get_document_id(
-			api_get_course_info(),
-			$group_properties['directory']
-		);
-		$document_data = DocumentManager::get_document_data_by_id(
-			$document_id,
-			api_get_course_id()
-		);
+        $group_properties = GroupManager::get_group_properties(
+            $groupId
+        );
+        $document_id = DocumentManager::get_document_id(
+            api_get_course_info(),
+            $group_properties['directory']
+        );
+        $document_data = DocumentManager::get_document_data_by_id(
+            $document_id,
+            api_get_course_id()
+        );
     }
 }
 $document_id = $document_data['id'];
@@ -55,53 +55,53 @@ 
 // Please, do not modify this dirname formatting
 
 if (strstr($dir, '..')) {
-	$dir = '/';
+    $dir = '/';
 }
 
 if ($dir[0] == '.') {
-	$dir = substr($dir, 1);
+    $dir = substr($dir, 1);
 }
 
 if ($dir[0] != '/') {
-	$dir = '/'.$dir;
+    $dir = '/'.$dir;
 }
 
 if ($dir[strlen($dir) - 1] != '/') {
-	$dir .= '/';
+    $dir .= '/';
 }
 
 $filepath = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document'.$dir;
 
 if (!is_dir($filepath)) {
-	$filepath = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document/';
-	$dir = '/';
+    $filepath = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document/';
+    $dir = '/';
 }
 
 //groups //TODO: clean
 if (!empty($groupId)) {
-	$interbreadcrumb[] = array("url" => "../group/group_space.php?".api_get_cidreq(), "name" => get_lang('GroupSpace'));
-	$group = GroupManager :: get_group_properties($groupId);
-	$path = explode('/', $dir);
-	if ('/'.$path[1] != $group['directory']) {
-		api_not_allowed(true);
-	}
+    $interbreadcrumb[] = array("url" => "../group/group_space.php?".api_get_cidreq(), "name" => get_lang('GroupSpace'));
+    $group = GroupManager :: get_group_properties($groupId);
+    $path = explode('/', $dir);
+    if ('/'.$path[1] != $group['directory']) {
+        api_not_allowed(true);
+    }
 }
 
 $interbreadcrumb[] = array ("url" => "./document.php?curdirpath=".urlencode($dir)."&".api_get_cidreq(), "name" => get_lang('Documents'));
 
 if (!$is_allowed_in_course) {
-	api_not_allowed(true);
+    api_not_allowed(true);
 }
 
 
 if (!($is_allowed_to_edit || $_SESSION['group_member_with_upload_rights'] ||
-	DocumentManager::is_my_shared_folder(
-		api_get_user_id(),
-		Security::remove_XSS($dir),
-		api_get_session_id()
-	))
+    DocumentManager::is_my_shared_folder(
+        api_get_user_id(),
+        Security::remove_XSS($dir),
+        api_get_session_id()
+    ))
 ) {
-	api_not_allowed(true);
+    api_not_allowed(true);
 }
 
 
@@ -110,10 +110,10 @@ 
 
 $display_dir = $dir;
 if (isset ($group)) {
-	$display_dir = explode('/', $dir);
-	unset ($display_dir[0]);
-	unset ($display_dir[1]);
-	$display_dir = implode('/', $display_dir);
+    $display_dir = explode('/', $dir);
+    unset ($display_dir[0]);
+    unset ($display_dir[1]);
+    $display_dir = implode('/', $display_dir);
 }
 
 // Interbreadcrumb for the current directory root path
@@ -123,22 +123,22 @@ 
 
 $dir_acum = '';
 for ($i = 0; $i < $array_len; $i++) {
-	$url_dir = 'document.php?&curdirpath='.$dir_acum.$dir_array[$i];
-	//Max char 80
-	$url_to_who = cut($dir_array[$i],80);
-	$interbreadcrumb[] = array('url' => $url_dir, 'name' => $url_to_who);
-	$dir_acum .= $dir_array[$i].'/';
+    $url_dir = 'document.php?&curdirpath='.$dir_acum.$dir_array[$i];
+    //Max char 80
+    $url_to_who = cut($dir_array[$i],80);
+    $interbreadcrumb[] = array('url' => $url_dir, 'name' => $url_to_who);
+    $dir_acum .= $dir_array[$i].'/';
 }
 
 Display :: display_header($nameTools, 'Doc');
 
 echo '<div class="actions">';
 echo '<a href="document.php?id='.$document_id.'">'.
-		Display::return_icon('back.png',get_lang('BackTo').' '.get_lang('DocumentsOverview'),'',ICON_SIZE_MEDIUM).'</a>';
+        Display::return_icon('back.png',get_lang('BackTo').' '.get_lang('DocumentsOverview'),'',ICON_SIZE_MEDIUM).'</a>';
 echo '<a href="create_audio.php?'.api_get_cidreq().'&amp;id='.$document_id.'&amp;dt2a=google">'.
-		Display::return_icon('google.png',get_lang('GoogleAudio'),'',ICON_SIZE_MEDIUM).'</a>';
+        Display::return_icon('google.png',get_lang('GoogleAudio'),'',ICON_SIZE_MEDIUM).'</a>';
 echo '<a href="create_audio.php?'.api_get_cidreq().'&amp;id='.$document_id.'&amp;dt2a=pediaphon">'.
-	Display::return_icon('pediaphon.png', get_lang('Pediaphon'),'',ICON_SIZE_MEDIUM).'</a>';
+    Display::return_icon('pediaphon.png', get_lang('Pediaphon'),'',ICON_SIZE_MEDIUM).'</a>';
 echo '</div>';
 
 ?>
@@ -191,9 +191,9 @@ 
 <?php
 
 if (isset($_POST['text2voice_mode']) && $_POST['text2voice_mode'] == 'google') {
-	downloadMP3_google($filepath, $dir);
+    downloadMP3_google($filepath, $dir);
 } elseif (isset($_POST['text2voice_mode']) && $_POST['text2voice_mode'] == 'pediaphon') {
-	downloadMP3_pediaphon($filepath, $dir);
+    downloadMP3_pediaphon($filepath, $dir);
 }
 
 $tbl_admin_languages = Database :: get_main_table(TABLE_MAIN_LANGUAGE);
@@ -204,65 +204,65 @@ 
 $selected_language = null;
 
 while ($row = Database::fetch_array($result_select)) {
-	$options[$row['isocode']] =$row['original_name'].' ('.$row['english_name'].')';
-	if (in_array($row['isocode'], array('de', 'en', 'es', 'fr'))){
-		$options_pedia[$row['isocode']] =$row['original_name'].' ('.$row['english_name'].')';
-	}
+    $options[$row['isocode']] =$row['original_name'].' ('.$row['english_name'].')';
+    if (in_array($row['isocode'], array('de', 'en', 'es', 'fr'))){
+        $options_pedia[$row['isocode']] =$row['original_name'].' ('.$row['english_name'].')';
+    }
 }
 
 $icon = Display::return_icon('text2audio.png', get_lang('HelpText2Audio'),'',ICON_SIZE_MEDIUM);
 echo '<div class="page-header"><h2>'.$icon.get_lang('HelpText2Audio').'</h2></div>';
 
 if (Security::remove_XSS($_GET['dt2a']) == 'google') {
-	$selected_language = api_get_language_isocode();//lang default is the course language
-	echo '<div>';
-	$form = new FormValidator('form1', 'post', null, '', array('id' => 'form1'));
-	$form->addElement('hidden', 'text2voice_mode', 'google');
-	$form->addElement('hidden', 'id', $document_id);
-	$form->addElement('text', 'title', get_lang('Title'));
-	$form->addElement('select', 'lang', get_lang('Language'), $options);
-	$form->addElement('textarea', 'text', get_lang('InsertText2Audio'), array('id' => 'textarea_google'));
-	//echo Display :: return_icon('info3.gif', get_lang('HelpGoogleAudio'), array('align' => 'absmiddle', 'hspace' => '3px'), false);
-	$form->addButtonSave(get_lang('SaveMP3'));
-	$defaults = array();
-	$defaults['lang'] = $selected_language;
-	$form->setDefaults($defaults);
-	$form->display();
-
-	echo '</div>';
+    $selected_language = api_get_language_isocode();//lang default is the course language
+    echo '<div>';
+    $form = new FormValidator('form1', 'post', null, '', array('id' => 'form1'));
+    $form->addElement('hidden', 'text2voice_mode', 'google');
+    $form->addElement('hidden', 'id', $document_id);
+    $form->addElement('text', 'title', get_lang('Title'));
+    $form->addElement('select', 'lang', get_lang('Language'), $options);
+    $form->addElement('textarea', 'text', get_lang('InsertText2Audio'), array('id' => 'textarea_google'));
+    //echo Display :: return_icon('info3.gif', get_lang('HelpGoogleAudio'), array('align' => 'absmiddle', 'hspace' => '3px'), false);
+    $form->addButtonSave(get_lang('SaveMP3'));
+    $defaults = array();
+    $defaults['lang'] = $selected_language;
+    $form->setDefaults($defaults);
+    $form->display();
+
+    echo '</div>';
 }
 
 if (Security::remove_XSS($_GET['dt2a']) == 'pediaphon') {
-	//lang default is a default message
-	$selected_language = "defaultmessage";
-	$options_pedia['defaultmessage'] =get_lang('FirstSelectALanguage');
-	$options['defaultmessage'] =get_lang('FirstSelectALanguage');
-	echo '<div>';
-
-	$form = new FormValidator('form2', 'post', null, '', array('id' => 'form2'));
-	$form->addElement('hidden', 'text2voice_mode','pediaphon');
-	$form->addElement('hidden', 'id', $document_id);
-	$form->addElement('text', 'title', get_lang('Title'));
-	$form->addElement('select', 'lang', get_lang('Language'), $options_pedia, array('onclick' => 'update_voices(this.selectedIndex);'));
-	$form->addElement('select', 'voices', get_lang('Voice'), array(get_lang('FirstSelectALanguage')), array());
-	$speed_options = array();
-	$speed_options['1']     = get_lang('Normal');
-	$speed_options['0.75']  = get_lang('GoFaster');
-	$speed_options['0.8']   = get_lang('Fast');
-	$speed_options['1.2']   = get_lang('Slow');
-	$speed_options['1.6']   = get_lang('SlowDown');
-
-	$form->addElement('select', 'speed', get_lang('Speed'), $speed_options, array());
-	$form->addElement('textarea', 'text', get_lang('InsertText2Audio'), array('id' => 'textarea_pediaphon'));
-	//echo Display :: return_icon('info3.gif', get_lang('HelpPediaphon'), array('align' => 'absmiddle', 'hspace' => '3px'), false);
-	$form->addButtonSave(get_lang('SaveMP3'));
-	$defaults = array();
-	$defaults['lang'] = $selected_language;
-	$form->setDefaults($defaults);
-	$form->display();
-	echo '</div>';
-
-	?>
+    //lang default is a default message
+    $selected_language = "defaultmessage";
+    $options_pedia['defaultmessage'] =get_lang('FirstSelectALanguage');
+    $options['defaultmessage'] =get_lang('FirstSelectALanguage');
+    echo '<div>';
+
+    $form = new FormValidator('form2', 'post', null, '', array('id' => 'form2'));
+    $form->addElement('hidden', 'text2voice_mode','pediaphon');
+    $form->addElement('hidden', 'id', $document_id);
+    $form->addElement('text', 'title', get_lang('Title'));
+    $form->addElement('select', 'lang', get_lang('Language'), $options_pedia, array('onclick' => 'update_voices(this.selectedIndex);'));
+    $form->addElement('select', 'voices', get_lang('Voice'), array(get_lang('FirstSelectALanguage')), array());
+    $speed_options = array();
+    $speed_options['1']     = get_lang('Normal');
+    $speed_options['0.75']  = get_lang('GoFaster');
+    $speed_options['0.8']   = get_lang('Fast');
+    $speed_options['1.2']   = get_lang('Slow');
+    $speed_options['1.6']   = get_lang('SlowDown');
+
+    $form->addElement('select', 'speed', get_lang('Speed'), $speed_options, array());
+    $form->addElement('textarea', 'text', get_lang('InsertText2Audio'), array('id' => 'textarea_pediaphon'));
+    //echo Display :: return_icon('info3.gif', get_lang('HelpPediaphon'), array('align' => 'absmiddle', 'hspace' => '3px'), false);
+    $form->addButtonSave(get_lang('SaveMP3'));
+    $defaults = array();
+    $defaults['lang'] = $selected_language;
+    $form->setDefaults($defaults);
+    $form->display();
+    echo '</div>';
+
+    ?>
 
 	<!-- javascript form name form2 update voices -->
 	<script type="text/javascript">
@@ -307,43 +307,43 @@ 
 {
     $location='create_audio.php?'.api_get_cidreq().'&id='.intval($_POST['id']).'&dt2a=google';
 
-	//security
-	if (!isset($_POST['lang']) && !isset($_POST['text']) && !isset($_POST['title']) && !isset($filepath) && !isset($dir)) {
-		echo '<script>window.location.href="'.$location.'"</script>';
-		return;
-	}
+    //security
+    if (!isset($_POST['lang']) && !isset($_POST['text']) && !isset($_POST['title']) && !isset($filepath) && !isset($dir)) {
+        echo '<script>window.location.href="'.$location.'"</script>';
+        return;
+    }
 
-	$_course = api_get_course_info();
-	$_user = api_get_user_info();
+    $_course = api_get_course_info();
+    $_user = api_get_user_info();
 
-	$clean_title=trim($_POST['title']);
-	$clean_text=trim($_POST['text']);
-	if(empty($clean_title) || empty($clean_text)){
-		echo '<script>window.location.href="'.$location.'"</script>';
-		return;
-	}
-	$clean_title = Security::remove_XSS($clean_title);
-	$clean_title = Database::escape_string($clean_title);
-	$clean_title = str_replace(' ', '_', $clean_title);//compound file names
-
-	$clean_text = Security::remove_XSS($clean_text);
-	$clean_lang = Security::remove_XSS($_POST['lang']);
-
-	$extension='mp3';
-	$audio_filename=$clean_title.'.'.$extension;
-	$audio_title = str_replace('_',' ',$clean_title);
-
-	//prevent duplicates
-	if (file_exists($filepath.'/'.$clean_title.'.'.$extension)){
-		$i = 1;
-		while (file_exists($filepath.'/'.$clean_title.'_'.$i.'.'.$extension)) $i++;
-		$audio_filename = $clean_title . '_' . $i . '.'.$extension;
-		$audio_title = $clean_title . '_' . $i . '.'.$extension;
-		$audio_title = str_replace('_',' ',$audio_title);
-	}
+    $clean_title=trim($_POST['title']);
+    $clean_text=trim($_POST['text']);
+    if(empty($clean_title) || empty($clean_text)){
+        echo '<script>window.location.href="'.$location.'"</script>';
+        return;
+    }
+    $clean_title = Security::remove_XSS($clean_title);
+    $clean_title = Database::escape_string($clean_title);
+    $clean_title = str_replace(' ', '_', $clean_title);//compound file names
+
+    $clean_text = Security::remove_XSS($clean_text);
+    $clean_lang = Security::remove_XSS($_POST['lang']);
+
+    $extension='mp3';
+    $audio_filename=$clean_title.'.'.$extension;
+    $audio_title = str_replace('_',' ',$clean_title);
+
+    //prevent duplicates
+    if (file_exists($filepath.'/'.$clean_title.'.'.$extension)){
+        $i = 1;
+        while (file_exists($filepath.'/'.$clean_title.'_'.$i.'.'.$extension)) $i++;
+        $audio_filename = $clean_title . '_' . $i . '.'.$extension;
+        $audio_title = $clean_title . '_' . $i . '.'.$extension;
+        $audio_title = str_replace('_',' ',$audio_title);
+    }
 
-	$documentPath = $filepath.'/'.$audio_filename;
-	/*
+    $documentPath = $filepath.'/'.$audio_filename;
+    /*
 
 	//prev for a fine unicode, borrowed from main api TODO:clean
 	// Safe replacements for some non-letter characters (whitout blank spaces)
@@ -358,52 +358,52 @@ 
 	$filename = api_transliterate($filename, 'x', $encoding);
     // Replacing remaining dangerous non-letter characters.
     $clean_text = str_replace($search, $replace, $filename);*/
-	$clean_text = api_replace_dangerous_char($clean_text);
+    $clean_text = api_replace_dangerous_char($clean_text);
 
-	// adding the file
-	// add new file to disk
+    // adding the file
+    // add new file to disk
 
-	$proxySettings = api_get_configuration_value('proxy_settings');
-	$url = "http://translate.google.com/translate_tts?tl=".$clean_lang."&q=".urlencode($clean_text)."";
+    $proxySettings = api_get_configuration_value('proxy_settings');
+    $url = "http://translate.google.com/translate_tts?tl=".$clean_lang."&q=".urlencode($clean_text)."";
 
-	if (empty($proxySettings)) {
-		$content = file_get_contents($url);
-	} else {
-		$context = stream_context_create($proxySettings);
-		$content = file_get_contents($url, false, $context);
-	}
+    if (empty($proxySettings)) {
+        $content = file_get_contents($url);
+    } else {
+        $context = stream_context_create($proxySettings);
+        $content = file_get_contents($url, false, $context);
+    }
 
     file_put_contents(
         $documentPath,
         $content
     );
 
-	// add document to database
-	$current_session_id = api_get_session_id();
-	$groupId = api_get_group_id();
-	$relativeUrlPath=$dir;
-	$doc_id = add_document(
-		$_course,
-		$relativeUrlPath.$audio_filename,
-		'file',
-		filesize($documentPath),
-		$audio_title
-	);
-	api_item_property_update(
-		$_course,
-		TOOL_DOCUMENT,
-		$doc_id,
-		'DocumentAdded',
-		$_user['user_id'],
-		$groupId,
-		null,
-		null,
-		null,
-		$current_session_id
-	);
-	Display::display_confirmation_message(get_lang('DocumentCreated'));
-	//return to location
-	echo '<script>window.location.href="'.$location.'"</script>';
+    // add document to database
+    $current_session_id = api_get_session_id();
+    $groupId = api_get_group_id();
+    $relativeUrlPath=$dir;
+    $doc_id = add_document(
+        $_course,
+        $relativeUrlPath.$audio_filename,
+        'file',
+        filesize($documentPath),
+        $audio_title
+    );
+    api_item_property_update(
+        $_course,
+        TOOL_DOCUMENT,
+        $doc_id,
+        'DocumentAdded',
+        $_user['user_id'],
+        $groupId,
+        null,
+        null,
+        null,
+        $current_session_id
+    );
+    Display::display_confirmation_message(get_lang('DocumentCreated'));
+    //return to location
+    echo '<script>window.location.href="'.$location.'"</script>';
 }
 
 /**
@@ -416,45 +416,45 @@ 
  */
 function downloadMP3_pediaphon($filepath, $dir)
 {
-	$location='create_audio.php?'.api_get_cidreq().'&id='.intval($_POST['id']).'&dt2a=pediaphon';
-	//security
-	if(!isset($_POST['lang']) && !isset($_POST['text']) && !isset($_POST['title']) && !isset($filepath) && !isset($dir)) {
-		echo '<script>window.location.href="'.$location.'"</script>';
-		return;
-	}
-	$_course = api_get_course_info();
-	$_user = api_get_user_info();
-	$clean_title=trim($_POST['title']);
-	$clean_title= Database::escape_string($clean_title);
-	$clean_text=trim($_POST['text']);
-	$clean_voices=Security::remove_XSS($_POST['voices']);
-	if(empty($clean_title) || empty($clean_text) || empty($clean_voices)){
-		echo '<script>window.location.href="'.$location.'"</script>';
-		return;
-	}
-	$clean_title = Security::remove_XSS($clean_title);
-	$clean_title = Database::escape_string($clean_title);
-	$clean_title = str_replace(' ', '_', $clean_title);//compound file names
-	$clean_text = Security::remove_XSS($clean_text);
-	$clean_lang = Security::remove_XSS($_POST['lang']);
-	$clean_speed = Security::remove_XSS($_POST['speed']);
-
-	$extension='mp3';
-	$audio_filename=$clean_title.'.'.$extension;
-	$audio_title = str_replace('_',' ',$clean_title);
-
-	//prevent duplicates
-	if (file_exists($filepath.'/'.$clean_title.'.'.$extension)){
-		$i = 1;
-		while (file_exists($filepath.'/'.$clean_title.'_'.$i.'.'.$extension)) $i++;
-		$audio_filename = $clean_title . '_' . $i . '.'.$extension;
-		$audio_title = $clean_title . '_' . $i . '.'.$extension;
-		$audio_title = str_replace('_',' ',$audio_title);
-	}
+    $location='create_audio.php?'.api_get_cidreq().'&id='.intval($_POST['id']).'&dt2a=pediaphon';
+    //security
+    if(!isset($_POST['lang']) && !isset($_POST['text']) && !isset($_POST['title']) && !isset($filepath) && !isset($dir)) {
+        echo '<script>window.location.href="'.$location.'"</script>';
+        return;
+    }
+    $_course = api_get_course_info();
+    $_user = api_get_user_info();
+    $clean_title=trim($_POST['title']);
+    $clean_title= Database::escape_string($clean_title);
+    $clean_text=trim($_POST['text']);
+    $clean_voices=Security::remove_XSS($_POST['voices']);
+    if(empty($clean_title) || empty($clean_text) || empty($clean_voices)){
+        echo '<script>window.location.href="'.$location.'"</script>';
+        return;
+    }
+    $clean_title = Security::remove_XSS($clean_title);
+    $clean_title = Database::escape_string($clean_title);
+    $clean_title = str_replace(' ', '_', $clean_title);//compound file names
+    $clean_text = Security::remove_XSS($clean_text);
+    $clean_lang = Security::remove_XSS($_POST['lang']);
+    $clean_speed = Security::remove_XSS($_POST['speed']);
+
+    $extension='mp3';
+    $audio_filename=$clean_title.'.'.$extension;
+    $audio_title = str_replace('_',' ',$clean_title);
+
+    //prevent duplicates
+    if (file_exists($filepath.'/'.$clean_title.'.'.$extension)){
+        $i = 1;
+        while (file_exists($filepath.'/'.$clean_title.'_'.$i.'.'.$extension)) $i++;
+        $audio_filename = $clean_title . '_' . $i . '.'.$extension;
+        $audio_title = $clean_title . '_' . $i . '.'.$extension;
+        $audio_title = str_replace('_',' ',$audio_title);
+    }
 
-	$documentPath = $filepath.'/'.$audio_filename;
+    $documentPath = $filepath.'/'.$audio_filename;
 
-	/*//prev for a fine unicode, borrowed from main api TODO:clean
+    /*//prev for a fine unicode, borrowed from main api TODO:clean
 	// Safe replacements for some non-letter characters (whitout blank spaces)
 	$search  = array("\0", "\t", "\n", "\r", "\x0B", '/', "\\", '"', "'", '?', '*', '>', '<', '|', ':', '$', '(', ')', '^', '[', ']', '#', '+', '&', '%');
 	$replace = array('',  '_',  '_',  '_',  '_',    '-', '-',  '-', '_', '-', '-', '-', '-', '-', '-', '-', '-', '-', '-', '-', '-', '-', '-', '-', '-');
@@ -467,48 +467,48 @@ 
 	$filename = api_transliterate($filename, 'x', $encoding);
     // Replacing remaining dangerous non-letter characters.
     $clean_text = str_replace($search, $replace, $filename);*/
-	$clean_text = api_replace_dangerous_char($clean_text);
+    $clean_text = api_replace_dangerous_char($clean_text);
 
-	//adding the file
+    //adding the file
 
-	if ($clean_lang=='de') {
-		$url_pediaphon='http://www.pediaphon.org/~bischoff/radiopedia/sprich_multivoice.cgi';
-		$find_t2v = '/http\:\/\/www\.pediaphon\.org\/\~bischoff\/radiopedia\/mp3\/(.*)\.mp3\"/';
-	} else {
-		$url_pediaphon='http://www.pediaphon.org/~bischoff/radiopedia/sprich_multivoice_'.$clean_lang.'.cgi';//en, es, fr
-		$find_t2v = '/http\:\/\/www\.pediaphon\.org\/\~bischoff\/radiopedia\/mp3\/'.$clean_lang.'\/(.*)\.mp3\"/';
-	}
+    if ($clean_lang=='de') {
+        $url_pediaphon='http://www.pediaphon.org/~bischoff/radiopedia/sprich_multivoice.cgi';
+        $find_t2v = '/http\:\/\/www\.pediaphon\.org\/\~bischoff\/radiopedia\/mp3\/(.*)\.mp3\"/';
+    } else {
+        $url_pediaphon='http://www.pediaphon.org/~bischoff/radiopedia/sprich_multivoice_'.$clean_lang.'.cgi';//en, es, fr
+        $find_t2v = '/http\:\/\/www\.pediaphon\.org\/\~bischoff\/radiopedia\/mp3\/'.$clean_lang.'\/(.*)\.mp3\"/';
+    }
 
-	$data="stimme=".$clean_voices."&inputtext=".$clean_text."&speed=".$clean_speed."&go=speak";
-	$opts = array('http' =>
-		array(
-		 'method'  => 'POST',
-		 'header'  =>"Content-Type: application/x-www-form-urlencoded\r\n",
-		 "Content-Length: " . strlen($data) . "\r\n",
-		 'content' => $data
-		)
-	);
-	$context  = stream_context_create($opts);
-	// Download the whole HTML page
-	$previous_returntext2voice = file_get_contents($url_pediaphon,false,$context);
-
-	//extract the audio file path
-	$search_source = preg_match($find_t2v, $previous_returntext2voice, $hits);
-	$souce_end = substr($hits[0], 0, -1);
-	//download file
-	$returntext2voice = file_get_contents($souce_end);
-	//save file
-	$f = @file_put_contents($documentPath, $returntext2voice);
-	if ($f === false && !empty($php_errormsg)) {
+    $data="stimme=".$clean_voices."&inputtext=".$clean_text."&speed=".$clean_speed."&go=speak";
+    $opts = array('http' =>
+        array(
+            'method'  => 'POST',
+            'header'  =>"Content-Type: application/x-www-form-urlencoded\r\n",
+            "Content-Length: " . strlen($data) . "\r\n",
+            'content' => $data
+        )
+    );
+    $context  = stream_context_create($opts);
+    // Download the whole HTML page
+    $previous_returntext2voice = file_get_contents($url_pediaphon,false,$context);
+
+    //extract the audio file path
+    $search_source = preg_match($find_t2v, $previous_returntext2voice, $hits);
+    $souce_end = substr($hits[0], 0, -1);
+    //download file
+    $returntext2voice = file_get_contents($souce_end);
+    //save file
+    $f = @file_put_contents($documentPath, $returntext2voice);
+    if ($f === false && !empty($php_errormsg)) {
                 error_log($php_errormsg);
             }
-	//add document to database
-	$current_session_id = api_get_session_id();
-	$groupId = api_get_group_id();
-	$relativeUrlPath=$dir;
-	$doc_id = add_document($_course, $relativeUrlPath.$audio_filename, 'file', filesize($documentPath), $audio_title);
-	api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'DocumentAdded', $_user['user_id'], $groupId, null, null, null, $current_session_id);
+    //add document to database
+    $current_session_id = api_get_session_id();
+    $groupId = api_get_group_id();
+    $relativeUrlPath=$dir;
+    $doc_id = add_document($_course, $relativeUrlPath.$audio_filename, 'file', filesize($documentPath), $audio_title);
+    api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'DocumentAdded', $_user['user_id'], $groupId, null, null, null, $current_session_id);
     Display::display_confirmation_message(get_lang('DocumentCreated'));
-	//return to location
-	echo '<script>window.location.href="'.$location.'"</script>';
+    //return to location
+    echo '<script>window.location.href="'.$location.'"</script>';
 }