chamilo / chamilo-lms

main/lp/lp_edit.php

Spacing +6 added lines, -6 removed lines

@@ -20,7 +20,7 @@ 
 }
 
 if (!empty($gradebook) && $gradebook == 'view') {
-    $interbreadcrumb[] = array (
+    $interbreadcrumb[] = array(
         'url' => '../gradebook/'.$_SESSION['gradebook_dest'],
         'name' => get_lang('ToolGradebook')
     );
@@ -76,7 +76,7 @@ 
 );
 if (api_get_setting('allow_course_theme') === 'true') {
     $mycourselptheme = api_get_course_setting('allow_learning_path_theme');
-    if (!empty($mycourselptheme) && $mycourselptheme!=-1 && $mycourselptheme== 1) {
+    if (!empty($mycourselptheme) && $mycourselptheme != -1 && $mycourselptheme == 1) {
         //LP theme picker
         $theme_select = $form->addElement('SelectTheme', 'lp_theme', get_lang('Theme'));
         $form->applyFilter('lp_theme', 'trim');
@@ -105,7 +105,7 @@ 
 $label = ($_SESSION['oLP']->get_preview_image() != '' ? get_lang('UpdateImage') : get_lang('AddImage'));
 $form->addElement('file', 'lp_preview_image', array($label, get_lang('ImageWillResizeMsg')));
 
-$form->addRule('lp_preview_image', get_lang('OnlyImagesAllowed'), 'filetype', array ('jpg', 'jpeg', 'png', 'gif'));
+$form->addRule('lp_preview_image', get_lang('OnlyImagesAllowed'), 'filetype', array('jpg', 'jpeg', 'png', 'gif'));
 
 // Search terms (only if search is activated).
 if (api_get_setting('search_enabled') === 'true') {
@@ -134,7 +134,7 @@ 
 $defaults['lp_author'] = Security::remove_XSS($_SESSION['oLP']->get_author());
 $defaults['hide_toc_frame'] = Security::remove_XSS($_SESSION['oLP']->get_hide_toc_frame());
 $defaults['category_id'] = intval($_SESSION['oLP']->getCategoryId());
-$defaults['accumulate_scorm_time']  = $_SESSION['oLP']->getAccumulateScormTime();
+$defaults['accumulate_scorm_time'] = $_SESSION['oLP']->getAccumulateScormTime();
 
 $expired_on = $_SESSION['oLP']->expired_on;
 $publicated_on = $_SESSION['oLP']->publicated_on;
@@ -214,14 +214,14 @@ 
 if ($enableLpExtraFields) {
     $htmlHeadXtra[] = '<script>
     $(function() {
-        ' . $extra['jquery_ready_content'] . '
+        ' . $extra['jquery_ready_content'].'
     });
     </script>';
 }
 
 
 $defaults['publicated_on'] = !empty($publicated_on) && $publicated_on !== '0000-00-00 00:00:00' ? api_get_local_time($publicated_on) : null;
-$defaults['expired_on'] = (!empty($expired_on) )? api_get_local_time($expired_on): date('Y-m-d 12:00:00', time()+84600);
+$defaults['expired_on'] = (!empty($expired_on)) ? api_get_local_time($expired_on) : date('Y-m-d 12:00:00', time() + 84600);
 $defaults['subscribe_users'] = $_SESSION['oLP']->getSubscribeUsers();
 $form->setDefaults($defaults);
 

main/inc/lib/formvalidator/Element/Color.php

Spacing +1 added lines, -1 removed lines

@@ -34,7 +34,7 @@
      */
     public function toHtml()
     {
-        return parent::toHtml() . <<<JS
+        return parent::toHtml().<<<JS
             <script>
                 $(document).on('ready', function () {
                     var txtColor = $('#{$this->getAttribute('id')}'),

main/inc/lib/formvalidator/Element/DatePicker.php

Spacing +8 added lines, -8 removed lines

@@ -46,14 +46,14 @@ 
         return '
             <div class="input-group">
                 <span class="input-group-addon cursor-pointer">
-                    <input ' . $this->_getAttrString($this->_attributes) . '>
+                    <input ' . $this->_getAttrString($this->_attributes).'>
                 </span>
-                <p class="form-control disabled" id="' . $id . '_alt_text">' . $value . '</p>
-                <input class="form-control" type="hidden" id="' . $id . '_alt" value="' . $value . '">
+                <p class="form-control disabled" id="' . $id.'_alt_text">'.$value.'</p>
+                <input class="form-control" type="hidden" id="' . $id.'_alt" value="'.$value.'">
                 <span class="input-group-btn">
                     <button class="btn btn-default" type="button">
                         <span class="fa fa-times text-danger" aria-hidden="true"></span>
-                        <span class="sr-only">' . get_lang('Reset') . '</span>
+                        <span class="sr-only">' . get_lang('Reset').'</span>
                     </button>
                 </span>
             </div>
@@ -92,14 +92,14 @@ 
                 txtDate
                     .hide()
                     .datepicker({
-                        defaultDate: '" . $this->getValue() . "',
+                        defaultDate: '".$this->getValue()."',
                         dateFormat: 'yy-mm-dd',
                         altField: '#{$id}_alt',
-                        altFormat: \"" . get_lang('DateFormatLongNoDayJS') . "\",
+                        altFormat: \"".get_lang('DateFormatLongNoDayJS')."\",
                         showOn: 'both',
-                        buttonImage: '" . Display::return_icon('attendance.png', null, [], ICON_SIZE_TINY, true, true) . "',
+                        buttonImage: '" . Display::return_icon('attendance.png', null, [], ICON_SIZE_TINY, true, true)."',
                         buttonImageOnly: true,
-                        buttonText: '" . get_lang('SelectDate') . "',
+                        buttonText: '" . get_lang('SelectDate')."',
                         changeMonth: true,
                         changeYear: true,
                         yearRange: 'c-60y:c+5y'

main/inc/lib/formvalidator/Element/DateTimePicker.php

Spacing +10 added lines, -10 removed lines

@@ -39,14 +39,14 @@ 
         return '
             <div class="input-group">
                 <span class="input-group-addon cursor-pointer">
-                    <input ' . $this->_getAttrString($this->_attributes) . '>
+                    <input ' . $this->_getAttrString($this->_attributes).'>
                 </span>
-                <p class="form-control disabled" id="' . $id . '_alt_text">' . $value . '</p>
-                <input class="form-control" type="hidden" id="' . $id . '_alt" value="' . $value . '">
+                <p class="form-control disabled" id="' . $id.'_alt_text">'.$value.'</p>
+                <input class="form-control" type="hidden" id="' . $id.'_alt" value="'.$value.'">
                 <span class="input-group-btn">
                     <button class="btn btn-default" type="button">
                         <span class="fa fa-times text-danger" aria-hidden="true"></span>
-                        <span class="sr-only">' . get_lang('Reset') . '</span>
+                        <span class="sr-only">' . get_lang('Reset').'</span>
                     </button>
                 </span>
             </div>
@@ -85,18 +85,18 @@ 
                 txtDateTime
                     .hide()
                     .datetimepicker({
-                        defaultDate: '" . $this->getValue() . "',
+                        defaultDate: '".$this->getValue()."',
                         dateFormat: 'yy-mm-dd',
                         timeFormat: 'HH:mm',
                         altField: '#{$id}_alt',
-                        altFormat: \"" . get_lang('DateFormatLongNoDayJS') . "\",
-                        altTimeFormat: \"" . get_lang('TimeFormatNoSecJS') . "\",
-                        altSeparator: \" " . get_lang('AtTime') . " \",
+                        altFormat: \"".get_lang('DateFormatLongNoDayJS')."\",
+                        altTimeFormat: \"" . get_lang('TimeFormatNoSecJS')."\",
+                        altSeparator: \" " . get_lang('AtTime')." \",
                         altFieldTimeOnly: false,
                         showOn: 'both',
-                        buttonImage: '" . Display::return_icon('attendance.png', null, [], ICON_SIZE_TINY, true, true) . "',
+                        buttonImage: '" . Display::return_icon('attendance.png', null, [], ICON_SIZE_TINY, true, true)."',
                         buttonImageOnly: true,
-                        buttonText: '" . get_lang('SelectDate') . "',
+                        buttonText: '" . get_lang('SelectDate')."',
                         changeMonth: true,
                         changeYear: true
                     })

main/survey/survey_question.php

Spacing +6 added lines, -6 removed lines

@@ -64,7 +64,7 @@ 
         if ($surveyData['survey_type'] == 1) {
             $table_survey_question_group = Database::get_course_table(TABLE_SURVEY_QUESTION_GROUP);
             $sql = 'SELECT id,name FROM '.$table_survey_question_group.'
-                    WHERE survey_id = '.(int)$_GET['survey_id'].'
+                    WHERE survey_id = '.(int) $_GET['survey_id'].'
                     ORDER BY name';
             $rs = Database::query($sql);
             $glist = null;
@@ -75,15 +75,15 @@ 
             $grouplist = $grouplist1 = $grouplist2 = $glist;
 
             if (!empty($formData['assigned'])) {
-                $grouplist = str_replace('<option value="'.$formData['assigned'].'"','<option value="'.$formData['assigned'].'" selected',$glist);
+                $grouplist = str_replace('<option value="'.$formData['assigned'].'"', '<option value="'.$formData['assigned'].'" selected', $glist);
             }
 
             if (!empty($formData['assigned1'])) {
-                $grouplist1 = str_replace('<option value="'.$formData['assigned1'].'"','<option value="'.$formData['assigned1'].'" selected',$glist);
+                $grouplist1 = str_replace('<option value="'.$formData['assigned1'].'"', '<option value="'.$formData['assigned1'].'" selected', $glist);
             }
 
             if (!empty($formData['assigned2'])) {
-                $grouplist2 = str_replace('<option value="'.$formData['assigned2'].'"','<option value="'.$formData['assigned2'].'" selected',$glist);
+                $grouplist2 = str_replace('<option value="'.$formData['assigned2'].'"', '<option value="'.$formData['assigned2'].'" selected', $glist);
             }
 
             $this->html .= '	<tr><td colspan="">
@@ -95,7 +95,7 @@ 
 
             $this->html .= '
 			<b>'.get_lang('Secondary').'</b><br />
-			'.'<input type="radio" name="choose" value="2" '.(($formData['choose']==2)?'checked':'').
+			'.'<input type="radio" name="choose" value="2" '.(($formData['choose'] == 2) ? 'checked' : '').
                 '><select name="assigned1">'.$grouplist1.'</select> '.
                 '<select name="assigned2">'.$grouplist2.'</select>'
                 .'</fieldset><br />';
@@ -131,7 +131,7 @@ 
                     <div class="form-group">
                         <label class="col-sm-2 control-label"></label>
                         <div class="col-sm-8">
-                            <div class="alert alert-info">' . get_lang('YouCantNotEditThisQuestionBecauseAlreadyExistAnswers') . '</div>
+                            <div class="alert alert-info">' . get_lang('YouCantNotEditThisQuestionBecauseAlreadyExistAnswers').'</div>
                         </div>
                         <div class="col-sm-2"></div>
                     </div>

main/inc/lib/userportal.lib.php

Spacing +66 added lines, -66 removed lines

@@ -72,9 +72,9 @@ 
                 );
 
                 foreach ($exercises as $exercise_item) {
-                    $exercise_item['course_code']     = $course_code;
-                    $exercise_item['session_id']     = $session_id;
-                    $exercise_item['tms']     = api_strtotime($exercise_item['end_time'], 'UTC');
+                    $exercise_item['course_code'] = $course_code;
+                    $exercise_item['session_id'] = $session_id;
+                    $exercise_item['tms'] = api_strtotime($exercise_item['end_time'], 'UTC');
 
                     $exercise_list[] = $exercise_item;
                 }
@@ -214,16 +214,16 @@ 
         if ($show_menu) {
             $html .= '<ul class="nav nav-pills nav-stacked">';
             if ($show_create_link) {
-                $html .= '<li class="add-course"><a href="' . api_get_path(WEB_CODE_PATH) . 'create_course/add_course.php">'.
-                    Display::return_icon('new-course.png',  get_lang('CourseCreate')).(api_get_setting('course_validation') == 'true' ? get_lang('CreateCourseRequest') : get_lang('CourseCreate')).'</a></li>';
+                $html .= '<li class="add-course"><a href="'.api_get_path(WEB_CODE_PATH).'create_course/add_course.php">'.
+                    Display::return_icon('new-course.png', get_lang('CourseCreate')).(api_get_setting('course_validation') == 'true' ? get_lang('CreateCourseRequest') : get_lang('CourseCreate')).'</a></li>';
             }
 
             if ($show_course_link) {
                 if (!api_is_drh() && !api_is_session_admin()) {
-                    $html .=  '<li class="list-course"><a href="'. api_get_path(WEB_CODE_PATH) . 'auth/courses.php">'.
-                        Display::return_icon('catalog-course.png', get_lang('CourseCatalog')) .get_lang('CourseCatalog').'</a></li>';
+                    $html .= '<li class="list-course"><a href="'.api_get_path(WEB_CODE_PATH).'auth/courses.php">'.
+                        Display::return_icon('catalog-course.png', get_lang('CourseCatalog')).get_lang('CourseCatalog').'</a></li>';
                 } else {
-                    $html .= '<li><a href="' . api_get_path(WEB_CODE_PATH) . 'dashboard/index.php">'.get_lang('Dashboard').'</a></li>';
+                    $html .= '<li><a href="'.api_get_path(WEB_CODE_PATH).'dashboard/index.php">'.get_lang('Dashboard').'</a></li>';
                 }
             }
             $html .= '</ul>';
@@ -253,7 +253,7 @@ 
         // Including the page for the news
         $html = '';
         if (!empty($_GET['include']) && preg_match('/^[a-zA-Z0-9_-]*\.html$/', $_GET['include'])) {
-            $open = @(string)file_get_contents($this->home.$_GET['include']);
+            $open = @(string) file_get_contents($this->home.$_GET['include']);
             $html = api_to_system_encoding($open, api_detect_encoding(strip_tags($open)));
         } else {
             // Hiding home top when user not connected.
@@ -283,15 +283,15 @@ 
                     $home_top_temp = file_get_contents($this->home.'home_top.html');
                 } else {
                     if (file_exists($this->default_home.'home_top.html')) {
-                        $home_top_temp = file_get_contents($this->default_home . 'home_top.html');
+                        $home_top_temp = file_get_contents($this->default_home.'home_top.html');
                     }
                 }
             }
 
 			if (trim($home_top_temp) == '' && api_is_platform_admin()) {
-				$home_top_temp = '<div class="welcome-mascot">' . get_lang('PortalHomepageDefaultIntroduction') . '</div>';
+				$home_top_temp = '<div class="welcome-mascot">'.get_lang('PortalHomepageDefaultIntroduction').'</div>';
 			} else {
-				$home_top_temp = '<div class="welcome-home-top-temp">' . $home_top_temp . '</div>';
+				$home_top_temp = '<div class="welcome-home-top-temp">'.$home_top_temp.'</div>';
 			}
 			$open = str_replace('{rel_path}', api_get_path(REL_PATH), $home_top_temp);
 			$html = api_to_system_encoding($open, api_detect_encoding(strip_tags($open)));
@@ -309,9 +309,9 @@ 
 
         $html = '';
         // Notice
-        $home_notice = @(string)file_get_contents($this->home.'home_notice_'.$user_selected_language.'.html');
+        $home_notice = @(string) file_get_contents($this->home.'home_notice_'.$user_selected_language.'.html');
         if (empty($home_notice)) {
-            $home_notice = @(string)file_get_contents($this->home.'home_notice.html');
+            $home_notice = @(string) file_get_contents($this->home.'home_notice.html');
         }
 
         if (!empty($home_notice)) {
@@ -344,7 +344,7 @@ 
         }
 
         $html = '';
-        $home_menu = @(string)file_get_contents($this->home.'home_menu_'.$user_selected_language.'.html');
+        $home_menu = @(string) file_get_contents($this->home.'home_menu_'.$user_selected_language.'.html');
         if (!empty($home_menu)) {
             $home_menu_content = '<ul class="nav nav-pills nav-stacked">';
             $home_menu_content .= api_to_system_encoding($home_menu, api_detect_encoding(strip_tags($home_menu)));
@@ -395,9 +395,9 @@ 
         if (api_get_setting('allow_public_certificates') == 'true') {
             $searchItem = Display::tag(
                 'li',
-                Display::url(Display::return_icon('search_graduation.png',get_lang('Search'),null,ICON_SIZE_SMALL).
+                Display::url(Display::return_icon('search_graduation.png', get_lang('Search'), null, ICON_SIZE_SMALL).
                     get_lang('Search'),
-                    api_get_path(WEB_CODE_PATH) . "gradebook/search.php"
+                    api_get_path(WEB_CODE_PATH)."gradebook/search.php"
                 )
             );
         }
@@ -413,7 +413,7 @@ 
             $content .= Display::tag(
                 'li',
                 Display::url(
-                    Display::return_icon('skill-badges.png',get_lang('MySkills'),null,ICON_SIZE_SMALL).get_lang('MySkills'),
+                    Display::return_icon('skill-badges.png', get_lang('MySkills'), null, ICON_SIZE_SMALL).get_lang('MySkills'),
                     api_get_path(WEB_CODE_PATH).'social/my_skills_report.php'
                 )
             );
@@ -421,8 +421,8 @@ 
             if (($allowSkillsManagement && api_is_drh()) || api_is_platform_admin()) {
                 $content .= Display::tag('li',
                     Display::url(Display::return_icon('edit-skill.png', get_lang('MySkills'), null,
-                            ICON_SIZE_SMALL) . get_lang('ManageSkills'),
-                        api_get_path(WEB_CODE_PATH) . 'admin/skills_wheel.php'));
+                            ICON_SIZE_SMALL).get_lang('ManageSkills'),
+                        api_get_path(WEB_CODE_PATH).'admin/skills_wheel.php'));
             }
         }
 
@@ -475,7 +475,7 @@ 
 
         // Get list of courses in category $category.
         $sql = "SELECT * FROM $main_course_table cours
-                WHERE category_code = '" . $category . "'
+                WHERE category_code = '".$category."'
                 ORDER BY title, UPPER(visual_code)";
 
         // Showing only the courses of the current access_url_id.
@@ -521,7 +521,7 @@ 
                     FROM $main_category_table t1
                     LEFT JOIN $main_category_table t2 ON t1.code=t2.parent_id
                     LEFT JOIN $main_course_table t3 ON (t3.category_code = t1.code $platform_visible_courses)
-                    WHERE t1.parent_id ". (empty($category) ? "IS NULL" : "='$category'")."
+                    WHERE t1.parent_id ".(empty($category) ? "IS NULL" : "='$category'")."
                     GROUP BY t1.name,t1.code,t1.parent_id,t1.children_count 
                     ORDER BY t1.tree_pos, t1.name";
 
@@ -596,10 +596,10 @@ 
         }
         $result .= $htmlTitre;
         if ($thereIsSubCat) {
-            $result .=  $htmlListCat;
+            $result .= $htmlListCat;
         }
         while ($categoryName = Database::fetch_array($resCats)) {
-            $result .= '<h3>' . $categoryName['name'] . "</h3>\n";
+            $result .= '<h3>'.$categoryName['name']."</h3>\n";
         }
         $numrows = Database::num_rows($sql_result_courses);
         $courses_list_string = '';
@@ -697,12 +697,12 @@ 
         if ($courses_shown > 0) {
             // Only display the list of courses and categories if there was more than
                     // 0 courses visible to the world (we're in the anonymous list here).
-            $result .=  $courses_list_string;
+            $result .= $courses_list_string;
         }
         if ($category != '') {
-            $result .=  '<p><a href="'.api_get_self().'"> ' .
+            $result .= '<p><a href="'.api_get_self().'"> '.
                 Display :: return_icon('back.png', get_lang('BackToHomePage')).
-                get_lang('BackToHomePage') . '</a></p>';
+                get_lang('BackToHomePage').'</a></p>';
         }
         return $result;
     }
@@ -797,7 +797,7 @@ 
             if (!empty($title)) {
                 $html .= '<div class="panel-heading">'.$title.'</div>';
             }
-            $html.= '<div class="panel-body">'.$content.'</div>';
+            $html .= '<div class="panel-body">'.$content.'</div>';
             $html = Display::div($html, $params);
         }
 
@@ -844,7 +844,7 @@ 
             $usergroup_list = $usergroup->get_usergroup_by_user(api_get_user_id());
             $classes = '';
             if (!empty($usergroup_list)) {
-                foreach($usergroup_list as $group_id) {
+                foreach ($usergroup_list as $group_id) {
                     $data = $usergroup->get($group_id);
                     $data['name'] = Display::url($data['name'], api_get_path(WEB_CODE_PATH).'user/classes.php?id='.$data['id']);
                     $classes .= Display::tag('li', $data['name']);
@@ -853,7 +853,7 @@ 
             if (api_is_platform_admin()) {
                 $classes .= Display::tag(
                     'li',
-                    Display::url(get_lang('AddClasses') ,api_get_path(WEB_CODE_PATH).'admin/usergroups.php?action=add')
+                    Display::url(get_lang('AddClasses'), api_get_path(WEB_CODE_PATH).'admin/usergroups.php?action=add')
                 );
             }
             if (!empty($classes)) {
@@ -875,11 +875,11 @@ 
             $content = null;
 
             if (api_get_setting('allow_social_tool') == 'true') {
-                $content .= '<a style="text-align:center" href="' . api_get_path(WEB_PATH) . 'main/social/home.php">
-                <img class="img-circle" src="' . $userPicture . '" ></a>';
+                $content .= '<a style="text-align:center" href="'.api_get_path(WEB_PATH).'main/social/home.php">
+                <img class="img-circle" src="' . $userPicture.'" ></a>';
             } else {
-                $content .= '<a style="text-align:center" href="' . api_get_path(WEB_PATH) . 'main/auth/profile.php">
-                <img class="img-circle" title="' . get_lang('EditProfile') . '" src="' . $userPicture. '" ></a>';
+                $content .= '<a style="text-align:center" href="'.api_get_path(WEB_PATH).'main/auth/profile.php">
+                <img class="img-circle" title="' . get_lang('EditProfile').'" src="'.$userPicture.'" ></a>';
             }
 
             $html = self::show_right_block(
@@ -932,19 +932,19 @@ 
                 $link = '?f=social';
             }
             $profile_content .= '<li class="inbox-message-social"><a href="'.api_get_path(WEB_PATH).'main/messages/inbox.php'.$link.'">'.
-                Display::return_icon('inbox.png',get_lang('Inbox'),null,ICON_SIZE_SMALL).get_lang('Inbox').$cant_msg.' </a></li>';
+                Display::return_icon('inbox.png', get_lang('Inbox'), null, ICON_SIZE_SMALL).get_lang('Inbox').$cant_msg.' </a></li>';
             $profile_content .= '<li class="new-message-social"><a href="'.api_get_path(WEB_PATH).'main/messages/new_message.php'.$link.'">'.
-                Display::return_icon('new-message.png',get_lang('Compose'),null,ICON_SIZE_SMALL).get_lang('Compose').' </a></li>';
+                Display::return_icon('new-message.png', get_lang('Compose'), null, ICON_SIZE_SMALL).get_lang('Compose').' </a></li>';
 
             if (api_get_setting('allow_social_tool') == 'true') {
                 $total_invitations = Display::badge($total_invitations);
                 $profile_content .= '<li class="invitations-social"><a href="'.api_get_path(WEB_PATH).'main/social/invitations.php">'.
-                    Display::return_icon('invitations.png',get_lang('PendingInvitations'),null,ICON_SIZE_SMALL).get_lang('PendingInvitations').$total_invitations.'</a></li>';
+                    Display::return_icon('invitations.png', get_lang('PendingInvitations'), null, ICON_SIZE_SMALL).get_lang('PendingInvitations').$total_invitations.'</a></li>';
             }
 
             if (isset($_configuration['allow_my_files_link_in_homepage']) && $_configuration['allow_my_files_link_in_homepage']) {
                 $myFiles = '<li class="myfiles-social"><a href="'.api_get_path(WEB_PATH).'main/social/myfiles.php">'.
-                    Display::return_icon('sn-files.png',get_lang('Files'),null,ICON_SIZE_SMALL).get_lang('MyFiles').'</a></li>';
+                    Display::return_icon('sn-files.png', get_lang('Files'), null, ICON_SIZE_SMALL).get_lang('MyFiles').'</a></li>';
 
                 if (api_get_setting('allow_my_files') === 'false') {
                     $myFiles = '';
@@ -956,7 +956,7 @@ 
 
         $editProfileUrl = Display::getProfileEditionLink($user_id);
 
-        $profile_content .= '<li class="profile-social"><a href="' . $editProfileUrl . '">'.
+        $profile_content .= '<li class="profile-social"><a href="'.$editProfileUrl.'">'.
             Display::return_icon(
                 'edit-profile.png',
                 get_lang('EditProfile'),
@@ -1046,17 +1046,17 @@ 
         if ($show_create_link) {
             $my_account_content .= '<li class="add-course"><a href="main/create_course/add_course.php">';
             if (api_get_setting('course_validation') == 'true' && !api_is_platform_admin()) {
-                $my_account_content .= Display::return_icon('new-course.png',get_lang('CreateCourseRequest'),null,ICON_SIZE_SMALL);
+                $my_account_content .= Display::return_icon('new-course.png', get_lang('CreateCourseRequest'), null, ICON_SIZE_SMALL);
                 $my_account_content .= get_lang('CreateCourseRequest');
             } else {
-                $my_account_content .= Display::return_icon('new-course.png',get_lang('CourseCreate'),null,ICON_SIZE_SMALL);
+                $my_account_content .= Display::return_icon('new-course.png', get_lang('CourseCreate'), null, ICON_SIZE_SMALL);
                 $my_account_content .= get_lang('CourseCreate');
             }
             $my_account_content .= '</a></li>';
 
             if (SessionManager::allowToManageSessions()) {
                 $my_account_content .= '<li class="add-course"><a href="main/session/session_add.php">';
-                $my_account_content .= Display::return_icon('session.png',get_lang('AddSession'),null,ICON_SIZE_SMALL);
+                $my_account_content .= Display::return_icon('session.png', get_lang('AddSession'), null, ICON_SIZE_SMALL);
                 $my_account_content .= get_lang('AddSession');
                 $my_account_content .= '</a></li>';
             }
@@ -1064,20 +1064,20 @@ 
 
         //Sort courses
         $url = api_get_path(WEB_CODE_PATH).'auth/courses.php?action=sortmycourses';
-        $img_order= Display::return_icon('order-course.png',get_lang('SortMyCourses'),null,ICON_SIZE_SMALL);
+        $img_order = Display::return_icon('order-course.png', get_lang('SortMyCourses'), null, ICON_SIZE_SMALL);
         $my_account_content .= '<li class="order-course">'.Display::url($img_order.get_lang('SortMyCourses'), $url, array('class' => 'sort course')).'</li>';
 
         // Session history
         if (isset($_GET['history']) && intval($_GET['history']) == 1) {
-            $my_account_content .= '<li class="history-course"><a href="user_portal.php">'.Display::return_icon('history-course.png',get_lang('DisplayTrainingList'),null,ICON_SIZE_SMALL).get_lang('DisplayTrainingList').'</a></li>';
+            $my_account_content .= '<li class="history-course"><a href="user_portal.php">'.Display::return_icon('history-course.png', get_lang('DisplayTrainingList'), null, ICON_SIZE_SMALL).get_lang('DisplayTrainingList').'</a></li>';
         } else {
-            $my_account_content .= '<li class="history-course"><a href="user_portal.php?history=1" >'.Display::return_icon('history-course.png',get_lang('HistoryTrainingSessions'),null,ICON_SIZE_SMALL).get_lang('HistoryTrainingSessions').'</a></li>';
+            $my_account_content .= '<li class="history-course"><a href="user_portal.php?history=1" >'.Display::return_icon('history-course.png', get_lang('HistoryTrainingSessions'), null, ICON_SIZE_SMALL).get_lang('HistoryTrainingSessions').'</a></li>';
         }
 
         // Course catalog
         if ($show_course_link) {
             if (!api_is_drh()) {
-                $my_account_content .= '<li class="list-course"><a href="main/auth/courses.php" >'.Display::return_icon('catalog-course.png',get_lang('CourseCatalog'),null,ICON_SIZE_SMALL).get_lang('CourseCatalog').'</a></li>';
+                $my_account_content .= '<li class="list-course"><a href="main/auth/courses.php" >'.Display::return_icon('catalog-course.png', get_lang('CourseCatalog'), null, ICON_SIZE_SMALL).get_lang('CourseCatalog').'</a></li>';
             } else {
                 $my_account_content .= '<li><a href="main/dashboard/index.php">'.get_lang('Dashboard').'</a></li>';
             }
@@ -1282,7 +1282,7 @@ 
 
                             $actions = null;
                             if (api_is_platform_admin()) {
-                                $actions = api_get_path(WEB_CODE_PATH) .'session/resume_session.php?id_session='.$session_id;
+                                $actions = api_get_path(WEB_CODE_PATH).'session/resume_session.php?id_session='.$session_id;
                             }
 
                             $coachId = $session_box['id_coach'];
@@ -1292,12 +1292,12 @@ 
                             $params['category_id'] = $session_box['category_id'];
                             $params['title'] = $session_box['title'];
                             $params['id_coach'] = $coachId;
-                            $params['coach_url'] = api_get_path(WEB_AJAX_PATH) . 'user_manager.ajax.php?a=get_user_popup&user_id=' . $coachId;
+                            $params['coach_url'] = api_get_path(WEB_AJAX_PATH).'user_manager.ajax.php?a=get_user_popup&user_id='.$coachId;
                             $params['coach_name'] = !empty($session_box['coach']) ? $session_box['coach'] : null;
                             $params['coach_avatar'] = UserManager::getUserPicture($coachId, USER_IMAGE_SIZE_SMALL);
                             $params['date'] = $session_box['dates'];
                             $params['image'] = isset($imageField['value']) ? $imageField['value'] : null;
-                            $params['duration'] = isset($session_box['duration']) ? ' ' . $session_box['duration'] : null;
+                            $params['duration'] = isset($session_box['duration']) ? ' '.$session_box['duration'] : null;
                             $params['edit_actions'] = $actions;
                             $params['show_description'] = $session_box['show_description'];
                             $params['description'] = $session_box['description'];
@@ -1401,7 +1401,7 @@ 
                                 $sessionParams[0]['date'] = $session_box['dates'];
                                 $sessionParams[0]['course_list_session_style'] = $coursesListSessionStyle;
                                 $sessionParams[0]['title'] = $session_box['title'];
-                                $sessionParams[0]['subtitle'] = (!empty($session_box['coach']) ? $session_box['coach'] . ' | ': '') . $session_box['dates'];
+                                $sessionParams[0]['subtitle'] = (!empty($session_box['coach']) ? $session_box['coach'].' | ' : '').$session_box['dates'];
                                 $sessionParams[0]['show_actions'] = api_is_platform_admin();
                                 $sessionParams[0]['courses'] = $html_courses_session;
                                 $sessionParams[0]['show_simple_session_info'] = false;
@@ -1452,13 +1452,13 @@ 
                             if (
                                 !empty($session_category_start_date)
                             ) {
-                                $categoryParams['subtitle'] = get_lang('From') . ' ' . $session_category_start_date;
+                                $categoryParams['subtitle'] = get_lang('From').' '.$session_category_start_date;
                             }
 
                             if (
                                 !empty($session_category_end_date)
                             ) {
-                                $categoryParams['subtitle'] = get_lang('Until') . ' ' . $session_category_end_date;
+                                $categoryParams['subtitle'] = get_lang('Until').' '.$session_category_end_date;
                             }
                         }
 
@@ -1483,7 +1483,7 @@ 
 
             $this->tpl->assign('all_courses', $allCoursesInSessions);
             $this->tpl->assign('session', $listSession);
-            $this->tpl->assign('show_tutor', (api_get_setting('show_session_coach')==='true' ? true : false));
+            $this->tpl->assign('show_tutor', (api_get_setting('show_session_coach') === 'true' ? true : false));
             $this->tpl->assign('gamification_mode', $gameModeIsActive);
 
             if (api_get_configuration_value('view_grid_courses')) {
@@ -1498,7 +1498,7 @@ 
         }
 
         return [
-            'html' => $specialCourseList . $sessions_with_category.$sessions_with_no_category.$listCourse,
+            'html' => $specialCourseList.$sessions_with_category.$sessions_with_no_category.$listCourse,
             'session_count' => $sessionCount,
             'course_count' => $courseCount
         ];
@@ -1632,7 +1632,7 @@ 
                         $htmlCategory .= '<div class="panel panel-default">';
                     }
                     $htmlCategory .= '<div class="panel-body">';
-                    $coursesInfo =  $listCourse['course'];
+                    $coursesInfo = $listCourse['course'];
 
                     $htmlCategory .= self::getHtmlForCourse(
                         $coursesInfo,
@@ -1649,7 +1649,7 @@ 
                             $listCategorySession['catSessionName']
                         );
                         // list of session
-                        $htmlSession = '';    // start
+                        $htmlSession = ''; // start
                         foreach ($listCategorySession['sessionList'] as $k => $listSession) {
                             // add session
                             $htmlSession .= '<div class="session-view-row">';
@@ -1666,8 +1666,8 @@ 
                         $htmlSessionCategory .= $htmlSession;
                     }
                     $htmlSessionCategory .= '</div>'; // end session cat block
-                    $htmlCategory .=  $htmlSessionCategory .'</div></div>' ;
-                    $htmlCategory .= '';   // end course block
+                    $htmlCategory .= $htmlSessionCategory.'</div></div>';
+                    $htmlCategory .= ''; // end course block
                 }
                 $userCategoryHtml .= $htmlCategory;
             }
@@ -1694,11 +1694,11 @@ 
                 }
             }
             $htmlCategory .= '';
-            $userCategoryHtml .= $htmlCategory;   // end user cat block
+            $userCategoryHtml .= $htmlCategory; // end user cat block
             if ($userCategoryId != 0) {
                 $userCategoryHtml .= '</div>';
             }
-            $html .= $userCategoryHtml;   //
+            $html .= $userCategoryHtml; //
         }
         $html .= '</div>';
 
@@ -1839,11 +1839,11 @@ 
         $html = '';
 
         if ($categorySessionId == 0) {
-            $class1 = 'session-view-lvl-2';    // session
-            $class2 = 'session-view-lvl-4';    // got to course in session link
+            $class1 = 'session-view-lvl-2'; // session
+            $class2 = 'session-view-lvl-4'; // got to course in session link
         } else {
-            $class1 = 'session-view-lvl-3';    // session
-            $class2 = 'session-view-lvl-5';    // got to course in session link
+            $class1 = 'session-view-lvl-3'; // session
+            $class2 = 'session-view-lvl-5'; // got to course in session link
         }
 
         $icon = Display::return_icon(
@@ -1871,7 +1871,7 @@ 
         if ($listA['userCatTitle'] == $listB['userCatTitle']) {
             if ($listA['title'] == $listB['title']) {
                 return 0;
-            } else if($listA['title'] > $listB['title']) {
+            } else if ($listA['title'] > $listB['title']) {
                 return 1;
             } else {
                 return -1;
@@ -1892,7 +1892,7 @@ 
     {
         if ($listA['title'] == $listB['title']) {
             return 0;
-        } else if($listA['title'] > $listB['title']) {
+        } else if ($listA['title'] > $listB['title']) {
             return 1;
         } else {
             return -1;

main/inc/lib/AnnouncementManager.php

Spacing +50 added lines, -50 removed lines

@@ -228,7 +228,7 @@ 
                             ip.tool='announcement' AND
                             (
                                 ip.toUser = $userId OR
-                                ip.group IN ('0', '" . implode("', '", $group_list) . "') OR
+                                ip.group IN ('0', '".implode("', '", $group_list)."') OR
                                 ip.group IS NULL
                             ) AND
                             ip.visibility = '1' AND                       
@@ -293,13 +293,13 @@ 
         $content = $announcement->getContent();
 
         $html .= "<table height=\"100\" width=\"100%\" cellpadding=\"5\" cellspacing=\"0\" class=\"data_table\">";
-        $html .= "<tr><td><h2>" . $title . "</h2></td></tr>";
+        $html .= "<tr><td><h2>".$title."</h2></td></tr>";
 
         if (api_is_allowed_to_edit(false, true) ||
             (api_get_course_setting('allow_user_edit_announcement') && !api_is_anonymous())
         ) {
-            $modify_icons = "<a href=\"" . api_get_self() . "?" . api_get_cidreq() . "&action=modify&id=" . $announcement_id . "\">" .
-                Display::return_icon('edit.png', get_lang('Edit'), '', ICON_SIZE_SMALL) . "</a>";
+            $modify_icons = "<a href=\"".api_get_self()."?".api_get_cidreq()."&action=modify&id=".$announcement_id."\">".
+                Display::return_icon('edit.png', get_lang('Edit'), '', ICON_SIZE_SMALL)."</a>";
             if ($itemProperty->getVisibility() === 1) {
                 $image_visibility = "visible";
                 $alt_visibility = get_lang('Hide');
@@ -309,12 +309,12 @@ 
             }
             global $stok;
 
-            $modify_icons .= "<a href=\"" . api_get_self() . "?" . api_get_cidreq() . "&action=showhide&id=" . $announcement_id . "&sec_token=" . $stok . "\">" .
-                Display::return_icon($image_visibility . '.png', $alt_visibility, '', ICON_SIZE_SMALL) . "</a>";
+            $modify_icons .= "<a href=\"".api_get_self()."?".api_get_cidreq()."&action=showhide&id=".$announcement_id."&sec_token=".$stok."\">".
+                Display::return_icon($image_visibility.'.png', $alt_visibility, '', ICON_SIZE_SMALL)."</a>";
 
             if (api_is_allowed_to_edit(false, true)) {
-                $modify_icons .= "<a href=\"" . api_get_self() . "?" . api_get_cidreq() . "&action=delete&id=" . $announcement_id . "&sec_token=" . $stok . "\" onclick=\"javascript:if(!confirm('" . addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES, $charset)) . "')) return false;\">" .
-                    Display::return_icon('delete.png', get_lang('Delete'), '', ICON_SIZE_SMALL) .
+                $modify_icons .= "<a href=\"".api_get_self()."?".api_get_cidreq()."&action=delete&id=".$announcement_id."&sec_token=".$stok."\" onclick=\"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES, $charset))."')) return false;\">".
+                    Display::return_icon('delete.png', get_lang('Delete'), '', ICON_SIZE_SMALL).
                     "</a>";
             }
             $html .= "<tr><th style='text-align:right'>$modify_icons</th></tr>";
@@ -333,10 +333,10 @@ 
         $lastEdit = $itemProperty->getLasteditDate();
 
         $html .= "<tr><td>$content</td></tr>";
-        $html .= "<tr><td class=\"announcements_datum\">" . get_lang('LastUpdateDate') . " : " .
+        $html .= "<tr><td class=\"announcements_datum\">".get_lang('LastUpdateDate')." : ".
             Display::dateToStringAgoAndLongDate(
                 !empty($lastEdit) ? $lastEdit->format('Y-m-d h:i:s') : ''
-            ) . "</td></tr>";
+            )."</td></tr>";
 
         if ($itemProperty->getGroup() !== null) {
             $sent_to_icon = Display::return_icon('group.gif', get_lang('AnnounceSentToUserSelection'));
@@ -347,7 +347,7 @@ 
             $sent_to_form = self::sent_to_form($sent_to);
             $html .= Display::tag(
                 'td',
-                get_lang('SentTo').': ' . $sent_to_form,
+                get_lang('SentTo').': '.$sent_to_form,
                 array('class' => 'announcements_datum')
             );
         }
@@ -357,15 +357,15 @@ 
             $html .= "<tr><td>";
             $realname = $attachment_list['path'];
             $user_filename = $attachment_list['filename'];
-            $full_file_name = 'download.php?'.api_get_cidreq().'&file=' . $realname;
+            $full_file_name = 'download.php?'.api_get_cidreq().'&file='.$realname;
             $html .= '<br/>';
             $html .= Display::return_icon('attachment.gif', get_lang('Attachment'));
-            $html .= '<a href="' . $full_file_name . ' "> ' . $user_filename . ' </a>';
-            $html .= ' - <span class="forum_attach_comment" >' . $attachment_list['comment'] . '</span>';
+            $html .= '<a href="'.$full_file_name.' "> '.$user_filename.' </a>';
+            $html .= ' - <span class="forum_attach_comment" >'.$attachment_list['comment'].'</span>';
             if (api_is_allowed_to_edit(false, true)) {
                 $html .= Display::url(
                     Display::return_icon('delete.png', get_lang('Delete'), '', 16),
-                    api_get_self() . "?" . api_get_cidreq() . "&action=delete_attachment&id_attach=" . $attachment_list['id'] . "&sec_token=" . $stok
+                    api_get_self()."?".api_get_cidreq()."&action=delete_attachment&id_attach=".$attachment_list['id']."&sec_token=".$stok
                 );
             }
             $html .= '</td></tr>';
@@ -390,7 +390,7 @@ 
         $order = 0;
         if (Database::num_rows($res_max)) {
             $row_max = Database::fetch_array($res_max);
-            $order = intval($row_max[0])+1;
+            $order = intval($row_max[0]) + 1;
         }
 
         return $order;
@@ -831,8 +831,8 @@ 
             $result = array();
             if ($num_rows > 0) {
                 while ($myrow = Database::fetch_array($rs)) {
-                    $content.= '<strong>' . $myrow['title'] . '</strong><br /><br />';
-                    $content.= $myrow['content'];
+                    $content .= '<strong>'.$myrow['title'].'</strong><br /><br />';
+                    $content .= $myrow['content'];
                     $i++;
                 }
                 $result['content'] = $content;
@@ -954,14 +954,14 @@ 
             switch ($to_group) {
                 // it was send to one specific user
                 case null:
-                    $to[] = "USER:" . $row['to_user_id'];
+                    $to[] = "USER:".$row['to_user_id'];
                     break;
                 // it was sent to everyone
                 case 0:
                     return "everyone";
                     break;
                 default:
-                    $to[] = "GROUP:" . $row['to_group_id'];
+                    $to[] = "GROUP:".$row['to_group_id'];
             }
         }
         return $to;
@@ -1024,10 +1024,10 @@ 
                 $sent_to_array['groups'][0] !== 0
             ) {
                 $group_id = $sent_to_array['groups'][0];
-                $output[] = "&nbsp;" . $group_names[$group_id]['name'];
+                $output[] = "&nbsp;".$group_names[$group_id]['name'];
             }
             if (empty($sent_to_array['groups']) and empty($sent_to_array['users'])) {
-                $output[] = "&nbsp;" . get_lang('Everybody');
+                $output[] = "&nbsp;".get_lang('Everybody');
             }
         }
 
@@ -1060,7 +1060,7 @@ 
 
         $sql = "SELECT to_group_id, to_user_id
                 FROM $tbl_item_property
-                WHERE c_id = $course_id AND tool = '$tool' AND ref=" . $id;
+                WHERE c_id = $course_id AND tool = '$tool' AND ref=".$id;
         $result = Database::query($sql);
 
         while ($row = Database::fetch_array($result)) {
@@ -1102,8 +1102,8 @@ 
         $course_id = api_get_course_int_id();
         $row = array();
         $sql = 'SELECT id, path, filename, comment 
-                FROM ' . $tbl_announcement_attachment . '
-				WHERE c_id = ' . $course_id . ' AND announcement_id = ' . $announcementId;
+                FROM ' . $tbl_announcement_attachment.'
+				WHERE c_id = ' . $course_id.' AND announcement_id = '.$announcementId;
         $result = Database::query($sql);
         if (Database::num_rows($result) != 0) {
             $row = Database::fetch_array($result, 'ASSOC');
@@ -1128,9 +1128,9 @@ 
 
         if (is_array($file) && $file['error'] == 0) {
             // TODO: This path is obsolete. The new document repository scheme should be kept in mind here.
-            $courseDir = $_course['path'] . '/upload/announcements';
+            $courseDir = $_course['path'].'/upload/announcements';
             $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
             $new_file_name = add_ext_on_mime(stripslashes($file['name']), $file['type']);
@@ -1142,7 +1142,7 @@ 
                 Display :: display_error_message(get_lang('UplUnableToSaveFileFilteredExtension'));
             } else {
                 $new_file_name = uniqid('');
-                $new_path = $updir . '/' . $new_file_name;
+                $new_path = $updir.'/'.$new_file_name;
 
                 // This file is copy here but its cleaned in api_mail_html in api.lib.php
                 copy($file['tmp_name'], $new_path);
@@ -1185,9 +1185,9 @@ 
 
         if (is_array($file) && $file['error'] == 0) {
             // TODO: This path is obsolete. The new document repository scheme should be kept in mind here.
-            $courseDir = $_course['path'] . '/upload/announcements';
+            $courseDir = $_course['path'].'/upload/announcements';
             $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
             $new_file_name = add_ext_on_mime(stripslashes($file['name']), $file['type']);
@@ -1199,7 +1199,7 @@ 
                 Display :: display_error_message(get_lang('UplUnableToSaveFileFilteredExtension'));
             } else {
                 $new_file_name = uniqid('');
-                $new_path = $updir . '/' . $new_file_name;
+                $new_path = $updir.'/'.$new_file_name;
                 copy($file['tmp_name'], $new_path);
                 $safe_file_comment = Database::escape_string($file_comment);
                 $safe_file_name = Database::escape_string($file_name);
@@ -1209,7 +1209,7 @@ 
                             filename = '$safe_file_name', 
                             comment = '$safe_file_comment', 
                             path = '$safe_new_file_name', 
-                            size ='" . intval($file['size']) . "'
+                            size ='".intval($file['size'])."'
 					 	WHERE c_id = $course_id AND id = '$id_attach'";
                 $result = Database::query($sql);
                 if ($result === false) {
@@ -1527,8 +1527,8 @@ 
                 if ($myrow['email_sent'] == '1') {
                     $sent_to_icon = ' '.Display::return_icon('email.gif', get_lang('AnnounceSentByEmail'));
                 }
-                $groupReference = ($myrow['to_group_id'] > 0) ? ' <span class="label label-info">' . get_lang('Group') . '</span> ' : '' ;
-                $title = $myrow['title'] . $groupReference . $sent_to_icon;
+                $groupReference = ($myrow['to_group_id'] > 0) ? ' <span class="label label-info">'.get_lang('Group').'</span> ' : '';
+                $title = $myrow['title'].$groupReference.$sent_to_icon;
                 $item_visibility = api_get_item_visibility($_course, TOOL_ANNOUNCEMENT, $myrow['id'], $session_id);
                 $myrow['visibility'] = $item_visibility;
 
@@ -1536,8 +1536,8 @@ 
                 $attachment_list = AnnouncementManager::get_attachment($myrow['id']);
 
                 $attachment_icon = '';
-                if (count($attachment_list)>0) {
-                    $attachment_icon = ' '.Display::return_icon('attachment.gif',get_lang('Attachment'));
+                if (count($attachment_list) > 0) {
+                    $attachment_icon = ' '.Display::return_icon('attachment.gif', get_lang('Attachment'));
                 }
 
                 /* TITLE */
@@ -1556,16 +1556,16 @@ 
                     || (api_get_course_setting('allow_user_edit_announcement') && !api_is_anonymous())
                 ) {
                     $modify_icons = "<a href=\"".$actionUrl."&action=modify&id=".$myrow['id']."\">".
-                        Display::return_icon('edit.png', get_lang('Edit'),'',ICON_SIZE_SMALL)."</a>";
-                    if ($myrow['visibility']==1) {
-                        $image_visibility="visible";
-                        $alt_visibility=get_lang('Hide');
+                        Display::return_icon('edit.png', get_lang('Edit'), '', ICON_SIZE_SMALL)."</a>";
+                    if ($myrow['visibility'] == 1) {
+                        $image_visibility = "visible";
+                        $alt_visibility = get_lang('Hide');
                     } else {
-                        $image_visibility="invisible";
-                        $alt_visibility=get_lang('Visible');
+                        $image_visibility = "invisible";
+                        $alt_visibility = get_lang('Visible');
                     }
-                    $modify_icons .=  "<a href=\"".$actionUrl."&action=showhide&id=".$myrow['id']."&sec_token=".$stok."\">".
-                        Display::return_icon($image_visibility.'.png', $alt_visibility,'',ICON_SIZE_SMALL)."</a>";
+                    $modify_icons .= "<a href=\"".$actionUrl."&action=showhide&id=".$myrow['id']."&sec_token=".$stok."\">".
+                        Display::return_icon($image_visibility.'.png', $alt_visibility, '', ICON_SIZE_SMALL)."</a>";
 
                     // DISPLAY MOVE UP COMMAND only if it is not the top announcement
                     if ($iterator != 1) {
@@ -1580,12 +1580,12 @@ 
                     } else {
                         $modify_icons .= Display::return_icon('down_na.gif', get_lang('Down'));
                     }
-                    if (api_is_allowed_to_edit(false,true)) {
-                        $modify_icons .= "<a href=\"".$actionUrl."&action=delete&id=".$myrow['id']."&sec_token=".$stok."\" onclick=\"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,api_get_system_encoding()))."')) return false;\">".
-                            Display::return_icon('delete.png', get_lang('Delete'),'',ICON_SIZE_SMALL).
+                    if (api_is_allowed_to_edit(false, true)) {
+                        $modify_icons .= "<a href=\"".$actionUrl."&action=delete&id=".$myrow['id']."&sec_token=".$stok."\" onclick=\"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES, api_get_system_encoding()))."')) return false;\">".
+                            Display::return_icon('delete.png', get_lang('Delete'), '', ICON_SIZE_SMALL).
                             "</a>";
                     }
-                    $iterator ++;
+                    $iterator++;
                 } else {
                     $modify_icons = Display::url(
                         Display::return_icon('default.png'),
@@ -1631,7 +1631,7 @@ 
             'announcement.session_id'
         );
 
-        if (api_is_allowed_to_edit(false,true))  {
+        if (api_is_allowed_to_edit(false, true)) {
             // check teacher status
             if (empty($_GET['origin']) or $_GET['origin'] !== 'learnpath') {
 
@@ -1700,7 +1700,7 @@ 
 
                 // the user is member of several groups => display personal announcements AND
                 // his group announcements AND the general announcements
-                if (is_array($group_memberships) && count($group_memberships)>0) {
+                if (is_array($group_memberships) && count($group_memberships) > 0) {
                     $sql = "SELECT announcement.*, ip.visibility, ip.to_group_id, ip.insert_user_id
                             FROM $tbl_announcement announcement 
                             INNER JOIN $tbl_item_property ip

main/exercise/admin.php

Spacing +35 added lines, -35 removed lines

@@ -48,7 +48,7 @@ 
  */
 
 require_once __DIR__.'/../inc/global.inc.php';
-$current_course_tool  = TOOL_QUIZ;
+$current_course_tool = TOOL_QUIZ;
 $this_section = SECTION_COURSES;
 
 // Access control
@@ -64,20 +64,20 @@ 
 
 /*  stripslashes POST data  */
 if ($_SERVER['REQUEST_METHOD'] == 'POST') {
-    foreach($_POST as $key=>$val) {
-        if(is_string($val)) {
-            $_POST[$key]=stripslashes($val);
-        } elseif(is_array($val)) {
-            foreach($val as $key2=>$val2) {
-                $_POST[$key][$key2]=stripslashes($val2);
+    foreach ($_POST as $key=>$val) {
+        if (is_string($val)) {
+            $_POST[$key] = stripslashes($val);
+        } elseif (is_array($val)) {
+            foreach ($val as $key2=>$val2) {
+                $_POST[$key][$key2] = stripslashes($val2);
             }
         }
-        $GLOBALS[$key]=$_POST[$key];
+        $GLOBALS[$key] = $_POST[$key];
     }
 }
 
 if (empty($exerciseId)) {
-    $exerciseId = isset($_GET['exerciseId']) ? intval($_GET['exerciseId']):'0';
+    $exerciseId = isset($_GET['exerciseId']) ? intval($_GET['exerciseId']) : '0';
 }
 
 $newQuestion = isset($_GET['newQuestion']) ? $_GET['newQuestion'] : 0;
@@ -151,7 +151,7 @@ 
 if (!empty($_GET['action']) && $_GET['action'] == 'exportqti2' && !empty($_GET['questionId'])) {
     require_once 'export/qti2/qti2_export.php';
     $export = export_question_qti($_GET['questionId'], true);
-    $qid = (int)$_GET['questionId'];
+    $qid = (int) $_GET['questionId'];
     $archive_path = api_get_path(SYS_ARCHIVE_PATH);
     $temp_dir_short = uniqid();
     $temp_zip_dir = $archive_path."/".$temp_dir_short;
@@ -195,7 +195,7 @@ 
 if (!$fromExercise) {
     // gets the right exercise ID, and if 0 creates a new exercise
     if (!$exerciseId = $objExercise->selectId()) {
-        $modifyExercise='yes';
+        $modifyExercise = 'yes';
     }
 }
 
@@ -245,7 +245,7 @@ 
     } else {
         // goes back to the question viewing
         $editQuestion = $modifyQuestion;
-        unset($newQuestion,$modifyQuestion);
+        unset($newQuestion, $modifyQuestion);
     }
 }
 
@@ -281,27 +281,27 @@ 
     $nameTools = get_lang('QuestionManagement');
 }
 
-if (isset($_SESSION['gradebook'])){
-    $gradebook=	$_SESSION['gradebook'];
+if (isset($_SESSION['gradebook'])) {
+    $gradebook = $_SESSION['gradebook'];
 }
 
-if (!empty($gradebook) && $gradebook=='view') {
-    $interbreadcrumb[]= array(
+if (!empty($gradebook) && $gradebook == 'view') {
+    $interbreadcrumb[] = array(
         'url' => '../gradebook/'.$_SESSION['gradebook_dest'],
         'name' => get_lang('ToolGradebook')
     );
 }
 
-$interbreadcrumb[] = array("url" => "exercise.php","name" => get_lang('Exercises'));
-if (isset($_GET['newQuestion']) || isset($_GET['editQuestion']) ) {
+$interbreadcrumb[] = array("url" => "exercise.php", "name" => get_lang('Exercises'));
+if (isset($_GET['newQuestion']) || isset($_GET['editQuestion'])) {
     $interbreadcrumb[] = array("url" => "admin.php?exerciseId=".$objExercise->id, "name" => $objExercise->name);
 } else {
     $interbreadcrumb[] = array("url" => "#", "name" => $objExercise->name);
 }
 
 // shows a link to go back to the question pool
-if (!$exerciseId && $nameTools != get_lang('ExerciseManagement')){
-    $interbreadcrumb[]=array(
+if (!$exerciseId && $nameTools != get_lang('ExerciseManagement')) {
+    $interbreadcrumb[] = array(
         "url" => api_get_path(WEB_CODE_PATH)."exercise/question_pool.php?fromExercise=$fromExercise&".api_get_cidreq(),
         "name" => get_lang('QuestionPool')
     );
@@ -309,10 +309,10 @@ 
 
 // if the question is duplicated, disable the link of tool name
 if ($modifyIn == 'thisExercise') {
-    if($buttonBack)	{
-        $modifyIn='allExercises';
+    if ($buttonBack) {
+        $modifyIn = 'allExercises';
     } else {
-        $noPHP_SELF=true;
+        $noPHP_SELF = true;
     }
 }
 $htmlHeadXtra[] = '<script>
@@ -344,10 +344,10 @@ 
 $htmlHeadXtra[] = $template->fetch($templateName);
 $htmlHeadXtra[] = api_get_js('d3/jquery.xcolor.js');
 
-$htmlHeadXtra[] = '<link rel="stylesheet" href="' . api_get_path(WEB_LIBRARY_JS_PATH) . 'hotspot/css/hotspot.css">';
-$htmlHeadXtra[] = '<script src="' . api_get_path(WEB_LIBRARY_JS_PATH) . 'hotspot/js/hotspot.js"></script>';
+$htmlHeadXtra[] = '<link rel="stylesheet" href="'.api_get_path(WEB_LIBRARY_JS_PATH).'hotspot/css/hotspot.css">';
+$htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_JS_PATH).'hotspot/js/hotspot.js"></script>';
 
-Display::display_header($nameTools,'Exercise');
+Display::display_header($nameTools, 'Exercise');
 /*
 if ($objExercise->exercise_was_added_in_lp) {
     if ($objExercise->force_edit_exercise_in_lp == true) {
@@ -364,22 +364,22 @@ 
     echo '<div class="actions">';
     if (isset($_GET['hotspotadmin']) || isset($_GET['newQuestion']) || isset($_GET['myid']))
         echo '<a href="'.api_get_path(WEB_CODE_PATH).'exercise/admin.php?exerciseId='.$exerciseId.'&'.api_get_cidreq().'">'.
-            Display::return_icon('back.png', get_lang('GoBackToQuestionList'),'',ICON_SIZE_MEDIUM).'</a>';
+            Display::return_icon('back.png', get_lang('GoBackToQuestionList'), '', ICON_SIZE_MEDIUM).'</a>';
 
-    if (!isset($_GET['hotspotadmin']) && !isset($_GET['newQuestion']) && !isset($_GET['myid']) &&  !isset($_GET['editQuestion'])) {
+    if (!isset($_GET['hotspotadmin']) && !isset($_GET['newQuestion']) && !isset($_GET['myid']) && !isset($_GET['editQuestion'])) {
         echo '<a href="'.api_get_path(WEB_CODE_PATH).'exercise/exercise.php?'.api_get_cidreq().'">'.
-            Display::return_icon('back.png', get_lang('BackToExercisesList'),'',ICON_SIZE_MEDIUM).'</a>';
+            Display::return_icon('back.png', get_lang('BackToExercisesList'), '', ICON_SIZE_MEDIUM).'</a>';
     }
     echo '<a href="'.api_get_path(WEB_CODE_PATH).'exercise/overview.php?'.api_get_cidreq().'&exerciseId='.$objExercise->id.'&preview=1">'.
-        Display::return_icon('preview_view.png', get_lang('Preview'),'',ICON_SIZE_MEDIUM).'</a>';
+        Display::return_icon('preview_view.png', get_lang('Preview'), '', ICON_SIZE_MEDIUM).'</a>';
 
     echo Display::url(
-        Display::return_icon('test_results.png', get_lang('Results'),'',ICON_SIZE_MEDIUM),
+        Display::return_icon('test_results.png', get_lang('Results'), '', ICON_SIZE_MEDIUM),
         api_get_path(WEB_CODE_PATH).'exercise/exercise_report.php?'.api_get_cidreq().'&exerciseId='.$objExercise->id
     );
 
     echo '<a href="'.api_get_path(WEB_CODE_PATH).'exercise/exercise_admin.php?'.api_get_cidreq().'&modifyExercise=yes&exerciseId='.$objExercise->id.'">'.
-        Display::return_icon('settings.png', get_lang('ModifyExercise'),'',ICON_SIZE_MEDIUM).'</a>';
+        Display::return_icon('settings.png', get_lang('ModifyExercise'), '', ICON_SIZE_MEDIUM).'</a>';
 
     $maxScoreAllQuestions = 0;
     if (!empty($objExercise->questionList)) {
@@ -395,7 +395,7 @@ 
     echo '<div class="alert alert-info">'.
         sprintf(get_lang('XQuestionsWithTotalScoreY'), $objExercise->selectNbrQuestions(), $maxScoreAllQuestions);
     if ($objExercise->random > 0) {
-        echo '<br />' .
+        echo '<br />'.
             sprintf(get_lang('OnlyXQuestionsPickedRandomly'), $objExercise->random);
     }
     echo '</div>';
@@ -404,13 +404,13 @@ 
     // we are in create a new question from question pool not in a test
     echo '<div class="actions">';
     echo '<a href="'.api_get_path(WEB_CODE_PATH).'exercise/admin.php?'.api_get_cidreq().'">'.
-        Display::return_icon('back.png', get_lang('GoBackToQuestionList'),'',ICON_SIZE_MEDIUM).'</a>';
+        Display::return_icon('back.png', get_lang('GoBackToQuestionList'), '', ICON_SIZE_MEDIUM).'</a>';
     echo '</div>';
 } else {
     // If we are in question_pool but not in an test, go back to question create in pool
     echo '<div class="actions">';
     echo '<a href="'.api_get_path(WEB_CODE_PATH).'exercise/question_pool.php?'.api_get_cidreq().'">'.
-        Display::return_icon('back.png', get_lang('GoBackToQuestionList'),'',ICON_SIZE_MEDIUM).
+        Display::return_icon('back.png', get_lang('GoBackToQuestionList'), '', ICON_SIZE_MEDIUM).
         '</a>';
     echo '</div>';
 }

main/exercise/exercise.class.php

Spacing +309 added lines, -309 removed lines

@@ -30,7 +30,7 @@ 
     public $feedback_type;
     public $end_time;
     public $start_time;
-    public $questionList;  // array with the list of this exercise's questions
+    public $questionList; // array with the list of this exercise's questions
     /* including question list of the media */
     public $questionListUncompressed;
     public $results_disabled;
@@ -130,7 +130,7 @@ 
         $TBL_EXERCISES = Database::get_course_table(TABLE_QUIZ_TEST);
         $table_lp_item = Database::get_course_table(TABLE_LP_ITEM);
 
-        $id  = intval($id);
+        $id = intval($id);
         if (empty($this->course_id)) {
 
             return false;
@@ -466,7 +466,7 @@ 
      */
     public function isRandom()
     {
-        if($this->random > 0 || $this->random == -1) {
+        if ($this->random > 0 || $this->random == -1) {
             return true;
         } else {
             return false;
@@ -627,7 +627,7 @@ 
                     $question_media = null;
                     if (!empty($objQuestionTmp->parent_id)) {
                         $objQuestionMedia = Question::read($objQuestionTmp->parent_id);
-                        $question_media  = Question::getMediaLabel($objQuestionMedia->question);
+                        $question_media = Question::getMediaLabel($objQuestionMedia->question);
                     }
 
                     $questionType = Display::tag('div', Display::return_icon($typeImg, $typeExpl, array(), ICON_SIZE_MEDIUM).$question_media);
@@ -1025,7 +1025,7 @@ 
                 $cat = new TestCategory();
                 $cat = $cat->getCategory($categoryId);
 
-                $cat = (array)$cat;
+                $cat = (array) $cat;
                 $cat['iid'] = $cat['id'];
                 //*$cat['name'] = $cat['name'];
 
@@ -1239,7 +1239,7 @@ 
      */
     public function updateTitle($title)
     {
-        $this->exercise=$title;
+        $this->exercise = $title;
     }
 
     /**
@@ -1249,7 +1249,7 @@ 
      */
     public function updateAttempts($attempts)
     {
-        $this->attempts=$attempts;
+        $this->attempts = $attempts;
     }
 
     /**
@@ -1259,7 +1259,7 @@ 
      */
     public function updateFeedbackType($feedback_type)
     {
-        $this->feedback_type=$feedback_type;
+        $this->feedback_type = $feedback_type;
     }
 
     /**
@@ -1270,7 +1270,7 @@ 
      */
     public function updateDescription($description)
     {
-        $this->description=$description;
+        $this->description = $description;
     }
 
     /**
@@ -1406,23 +1406,23 @@ 
      * @param string $sound - exercise sound file
      * @param string $delete - ask to delete the file
      */
-    public function updateSound($sound,$delete)
+    public function updateSound($sound, $delete)
     {
         global $audioPath, $documentPath;
         $TBL_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
 
-        if ($sound['size'] && (strstr($sound['type'],'audio') || strstr($sound['type'],'video'))) {
-            $this->sound=$sound['name'];
+        if ($sound['size'] && (strstr($sound['type'], 'audio') || strstr($sound['type'], 'video'))) {
+            $this->sound = $sound['name'];
 
-            if (@move_uploaded_file($sound['tmp_name'],$audioPath.'/'.$this->sound)) {
+            if (@move_uploaded_file($sound['tmp_name'], $audioPath.'/'.$this->sound)) {
                 $sql = "SELECT 1 FROM $TBL_DOCUMENT
-                        WHERE c_id = ".$this->course_id." AND path='".str_replace($documentPath,'',$audioPath).'/'.$this->sound."'";
+                        WHERE c_id = ".$this->course_id." AND path='".str_replace($documentPath, '', $audioPath).'/'.$this->sound."'";
                 $result = Database::query($sql);
 
                 if (!Database::num_rows($result)) {
                     $id = add_document(
                         $this->course,
-                        str_replace($documentPath,'',$audioPath).'/'.$this->sound,
+                        str_replace($documentPath, '', $audioPath).'/'.$this->sound,
                         'file',
                         $sound['size'],
                         $sound['name']
@@ -1441,8 +1441,8 @@ 
                     );
                 }
             }
-        } elseif($delete && is_file($audioPath.'/'.$this->sound)) {
-            $this->sound='';
+        } elseif ($delete && is_file($audioPath.'/'.$this->sound)) {
+            $this->sound = '';
         }
     }
 
@@ -1490,7 +1490,7 @@ 
      */
     public function enable()
     {
-        $this->active=1;
+        $this->active = 1;
     }
 
     /**
@@ -1500,7 +1500,7 @@ 
      */
     public function disable()
     {
-        $this->active=0;
+        $this->active = 0;
     }
 
     /**
@@ -1628,7 +1628,7 @@ 
                 api_get_user_id()
             );
 
-            if (api_get_setting('search_enabled')=='true') {
+            if (api_get_setting('search_enabled') == 'true') {
                 $this->search_engine_edit();
             }
         } else {
@@ -1777,7 +1777,7 @@ 
     public function removeFromList($questionId)
     {
         // searches the position of the question ID in the list
-        $pos = array_search($questionId,$this->questionList);
+        $pos = array_search($questionId, $this->questionList);
 
         // question not found
         if ($pos === false) {
@@ -1813,7 +1813,7 @@ 
         api_item_property_update($this->course, TOOL_QUIZ, $this->id, 'QuizDeleted', api_get_user_id());
         api_item_property_update($this->course, TOOL_QUIZ, $this->id, 'delete', api_get_user_id());
 
-        if (api_get_setting('search_enabled')=='true' && extension_loaded('xapian') ) {
+        if (api_get_setting('search_enabled') == 'true' && extension_loaded('xapian')) {
             $this->search_engine_delete();
         }
     }
@@ -1822,7 +1822,7 @@ 
      * Creates the form to create / edit an exercise
      * @param FormValidator $form
      */
-    public function createForm($form, $type='full')
+    public function createForm($form, $type = 'full')
     {
         if (empty($type)) {
             $type = 'full';
@@ -1853,7 +1853,7 @@ 
             'Width' => '100%',
             'Height' => '150',
         );
-        if (is_array($type)){
+        if (is_array($type)) {
             $editor_config = array_merge($editor_config, $type);
         }
 
@@ -1907,7 +1907,7 @@ 
                     '2',
                     array('id' => 'exerciseType_2')
                 );
-                $form->addGroup($radios_feedback, null, array(get_lang('FeedbackType'),get_lang('FeedbackDisplayOptions')));
+                $form->addGroup($radios_feedback, null, array(get_lang('FeedbackType'), get_lang('FeedbackDisplayOptions')));
 
                 // Type of results display on the final page
                 $radios_results_disabled = array();
@@ -1951,8 +1951,8 @@ 
                 // Type of questions disposition on page
                 $radios = array();
 
-                $radios[] = $form->createElement('radio', 'exerciseType', null, get_lang('SimpleExercise'),    '1', array('onclick' => 'check_per_page_all()', 'id'=>'option_page_all'));
-                $radios[] = $form->createElement('radio', 'exerciseType', null, get_lang('SequentialExercise'),'2', array('onclick' => 'check_per_page_one()', 'id'=>'option_page_one'));
+                $radios[] = $form->createElement('radio', 'exerciseType', null, get_lang('SimpleExercise'), '1', array('onclick' => 'check_per_page_all()', 'id'=>'option_page_all'));
+                $radios[] = $form->createElement('radio', 'exerciseType', null, get_lang('SequentialExercise'), '2', array('onclick' => 'check_per_page_one()', 'id'=>'option_page_one'));
 
                 $form->addGroup($radios, null, get_lang('QuestionsPerPage'));
 
@@ -1962,32 +1962,32 @@ 
 
                     // feedback type
                     $radios_feedback = array();
-                    $radios_feedback[] = $form->createElement('radio', 'exerciseFeedbackType', null, get_lang('ExerciseAtTheEndOfTheTest'),'0',array('id' =>'exerciseType_0', 'onclick' => 'check_feedback()'));
+                    $radios_feedback[] = $form->createElement('radio', 'exerciseFeedbackType', null, get_lang('ExerciseAtTheEndOfTheTest'), '0', array('id' =>'exerciseType_0', 'onclick' => 'check_feedback()'));
 
                     if (api_get_setting('enable_quiz_scenario') == 'true') {
-                        $radios_feedback[] = $form->createElement('radio', 'exerciseFeedbackType', null, get_lang('DirectFeedback'), '1', array('id' =>'exerciseType_1' , 'onclick' => 'check_direct_feedback()'));
+                        $radios_feedback[] = $form->createElement('radio', 'exerciseFeedbackType', null, get_lang('DirectFeedback'), '1', array('id' =>'exerciseType_1', 'onclick' => 'check_direct_feedback()'));
                     }
-                    $radios_feedback[] = $form->createElement('radio', 'exerciseFeedbackType', null, get_lang('NoFeedback'),'2',array('id' =>'exerciseType_2'));
-                    $form->addGroup($radios_feedback, null, array(get_lang('FeedbackType'),get_lang('FeedbackDisplayOptions')));
+                    $radios_feedback[] = $form->createElement('radio', 'exerciseFeedbackType', null, get_lang('NoFeedback'), '2', array('id' =>'exerciseType_2'));
+                    $form->addGroup($radios_feedback, null, array(get_lang('FeedbackType'), get_lang('FeedbackDisplayOptions')));
 
                     //$form->addElement('select', 'exerciseFeedbackType',get_lang('FeedbackType'),$feedback_option,'onchange="javascript:feedbackselection()"');
                     $radios_results_disabled = array();
                     $radios_results_disabled[] = $form->createElement('radio', 'results_disabled', null, get_lang('ShowScoreAndRightAnswer'), '0', array('id'=>'result_disabled_0'));
-                    $radios_results_disabled[] = $form->createElement('radio', 'results_disabled', null, get_lang('DoNotShowScoreNorRightAnswer'),  '1',array('id'=>'result_disabled_1','onclick' => 'check_results_disabled()'));
-                    $radios_results_disabled[] = $form->createElement('radio', 'results_disabled', null, get_lang('OnlyShowScore'),  '2',array('id'=>'result_disabled_2','onclick' => 'check_results_disabled()'));
-                    $form->addGroup($radios_results_disabled, null, get_lang('ShowResultsToStudents'),'');
+                    $radios_results_disabled[] = $form->createElement('radio', 'results_disabled', null, get_lang('DoNotShowScoreNorRightAnswer'), '1', array('id'=>'result_disabled_1', 'onclick' => 'check_results_disabled()'));
+                    $radios_results_disabled[] = $form->createElement('radio', 'results_disabled', null, get_lang('OnlyShowScore'), '2', array('id'=>'result_disabled_2', 'onclick' => 'check_results_disabled()'));
+                    $form->addGroup($radios_results_disabled, null, get_lang('ShowResultsToStudents'), '');
 
                     // Type of questions disposition on page
                     $radios = array();
-                    $radios[] = $form->createElement('radio', 'exerciseType', null, get_lang('SimpleExercise'),    '1');
-                    $radios[] = $form->createElement('radio', 'exerciseType', null, get_lang('SequentialExercise'),'2');
+                    $radios[] = $form->createElement('radio', 'exerciseType', null, get_lang('SimpleExercise'), '1');
+                    $radios[] = $form->createElement('radio', 'exerciseType', null, get_lang('SequentialExercise'), '2');
                     $form->addGroup($radios, null, get_lang('ExerciseType'));
 
                 } else {
                     //Show options freeze
                     $radios_results_disabled[] = $form->createElement('radio', 'results_disabled', null, get_lang('ShowScoreAndRightAnswer'), '0', array('id'=>'result_disabled_0'));
-                    $radios_results_disabled[] = $form->createElement('radio', 'results_disabled', null, get_lang('DoNotShowScoreNorRightAnswer'),  '1',array('id'=>'result_disabled_1','onclick' => 'check_results_disabled()'));
-                    $radios_results_disabled[] = $form->createElement('radio', 'results_disabled', null, get_lang('OnlyShowScore'),  '2',array('id'=>'result_disabled_2','onclick' => 'check_results_disabled()'));
+                    $radios_results_disabled[] = $form->createElement('radio', 'results_disabled', null, get_lang('DoNotShowScoreNorRightAnswer'), '1', array('id'=>'result_disabled_1', 'onclick' => 'check_results_disabled()'));
+                    $radios_results_disabled[] = $form->createElement('radio', 'results_disabled', null, get_lang('OnlyShowScore'), '2', array('id'=>'result_disabled_2', 'onclick' => 'check_results_disabled()'));
                     $result_disable_group = $form->addGroup($radios_results_disabled, null, get_lang('ShowResultsToStudents'));
                     $result_disable_group->freeze();
 
@@ -1996,8 +1996,8 @@ 
                     $form->addElement('hidden', 'exerciseType', ONE_PER_PAGE);
 
                     // Type of questions disposition on page
-                    $radios[] = $form->createElement('radio', 'exerciseType', null, get_lang('SimpleExercise'),    '1', array('onclick' => 'check_per_page_all()', 'id'=>'option_page_all'));
-                    $radios[] = $form->createElement('radio', 'exerciseType', null, get_lang('SequentialExercise'),'2', array('onclick' => 'check_per_page_one()', 'id'=>'option_page_one'));
+                    $radios[] = $form->createElement('radio', 'exerciseType', null, get_lang('SimpleExercise'), '1', array('onclick' => 'check_per_page_all()', 'id'=>'option_page_all'));
+                    $radios[] = $form->createElement('radio', 'exerciseType', null, get_lang('SequentialExercise'), '2', array('onclick' => 'check_per_page_one()', 'id'=>'option_page_one'));
 
                     $type_group = $form->addGroup($radios, null, get_lang('QuestionsPerPage'));
                     $type_group->freeze();
@@ -2103,7 +2103,7 @@ 
                 $cat = new TestCategory();
                 $cat_form = $cat->returnCategoryForm($this);
                 if (empty($cat_form)) {
-                    $cat_form = '<span class="label label-warning">' . get_lang('NoCategoriesDefined') . '</span>';
+                    $cat_form = '<span class="label label-warning">'.get_lang('NoCategoriesDefined').'</span>';
                 }
                 $form->addElement('label', null, $cat_form);
                 $form->addElement('html', '</div>');
@@ -2172,7 +2172,7 @@ 
             );
 
             // Exercise time limit
-            $form->addElement('checkbox', 'activate_start_date_check',null, get_lang('EnableStartTime'), array('onclick' => 'activate_start_date()'));
+            $form->addElement('checkbox', 'activate_start_date_check', null, get_lang('EnableStartTime'), array('onclick' => 'activate_start_date()'));
 
             $var = Exercise::selectTimeLimit();
 
@@ -2184,9 +2184,9 @@ 
 
             $form->addElement('date_time_picker', 'start_time');
 
-            $form->addElement('html','</div>');
+            $form->addElement('html', '</div>');
 
-            $form->addElement('checkbox', 'activate_end_date_check', null , get_lang('EnableEndTime'), array('onclick' => 'activate_end_date()'));
+            $form->addElement('checkbox', 'activate_end_date_check', null, get_lang('EnableEndTime'), array('onclick' => 'activate_end_date()'));
 
             if (!empty($this->end_time)) {
                 $form->addElement('html', '<div id="end_date_div" style="display:block;">');
@@ -2195,7 +2195,7 @@ 
             }
 
             $form->addElement('date_time_picker', 'end_time');
-            $form->addElement('html','</div>');
+            $form->addElement('html', '</div>');
 
             //$check_option=$this->selectType();
             $diplay = 'block';
@@ -2205,10 +2205,10 @@ 
                 null,
                 get_lang('SaveTheCorrectAnswersForTheNextAttempt')
             );
-            $form->addElement('html','<div class="clear">&nbsp;</div>');
+            $form->addElement('html', '<div class="clear">&nbsp;</div>');
             $form->addElement('checkbox', 'review_answers', null, get_lang('ReviewAnswers'));
 
-            $form->addElement('html','<div id="divtimecontrol"  style="display:'.$diplay.';">');
+            $form->addElement('html', '<div id="divtimecontrol"  style="display:'.$diplay.';">');
 
             //Timer control
             //$time_hours_option = range(0,12);
@@ -2225,12 +2225,12 @@ 
                 )
             );
 
-            $expired_date = (int)$this->selectExpiredTime();
+            $expired_date = (int) $this->selectExpiredTime();
 
-            if (($expired_date!='0')) {
-                $form->addElement('html','<div id="timercontrol" style="display:block;">');
+            if (($expired_date != '0')) {
+                $form->addElement('html', '<div id="timercontrol" style="display:block;">');
             } else {
-                $form->addElement('html','<div id="timercontrol" style="display:none;">');
+                $form->addElement('html', '<div id="timercontrol" style="display:none;">');
             }
             $form->addText(
                 'enabletimercontroltotalminutes',
@@ -2241,7 +2241,7 @@ 
                     'cols-size' => [2, 2, 8]
                 ]
             );
-            $form->addElement('html','</div>');
+            $form->addElement('html', '</div>');
 
             $form->addElement(
                 'text',
@@ -2266,7 +2266,7 @@ 
             $defaults = array();
 
             if (api_get_setting('search_enabled') === 'true') {
-                require_once api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php';
+                require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
 
                 $form->addElement('checkbox', 'index_document', '', get_lang('SearchFeatureDoIndexDocument'));
                 $form->addElement('select_language', 'language', get_lang('SearchFeatureDocumentLanguage'));
@@ -2274,15 +2274,15 @@ 
                 $specific_fields = get_specific_field_list();
 
                 foreach ($specific_fields as $specific_field) {
-                    $form->addElement ('text', $specific_field['code'], $specific_field['name']);
+                    $form->addElement('text', $specific_field['code'], $specific_field['name']);
                     $filter = array(
                         'c_id' => api_get_course_int_id(),
                         'field_id' => $specific_field['id'],
                         'ref_id' => $this->id,
-                        'tool_id' => "'" . TOOL_QUIZ . "'"
+                        'tool_id' => "'".TOOL_QUIZ."'"
                     );
                     $values = get_specific_field_values_list($filter, array('value'));
-                    if ( !empty($values) ) {
+                    if (!empty($values)) {
                         $arr_str_values = array();
                         foreach ($values as $value) {
                             $arr_str_values[] = $value['value'];
@@ -2292,8 +2292,8 @@ 
                 }
             }
 
-            $form->addElement('html','</div>');  //End advanced setting
-            $form->addElement('html','</div>');
+            $form->addElement('html', '</div>'); //End advanced setting
+            $form->addElement('html', '</div>');
         }
 
         // submit
@@ -2313,10 +2313,10 @@ 
         }
 
         // defaults
-        if ($type=='full') {
+        if ($type == 'full') {
             if ($this->id > 0) {
                 if ($this->random > $this->selectNbrQuestions()) {
-                    $defaults['randomQuestions'] =  $this->selectNbrQuestions();
+                    $defaults['randomQuestions'] = $this->selectNbrQuestions();
                 } else {
                     $defaults['randomQuestions'] = $this->random;
                 }
@@ -2346,7 +2346,7 @@ 
                 }
 
                 $defaults['start_time'] = !empty($this->start_time) ? api_get_local_time($this->start_time) : date('Y-m-d 12:00:00');
-                $defaults['end_time'] = empty($this->end_time) ? api_get_local_time($this->end_time) : date('Y-m-d 12:00:00', time()+84600);
+                $defaults['end_time'] = empty($this->end_time) ? api_get_local_time($this->end_time) : date('Y-m-d 12:00:00', time() + 84600);
 
                 // Get expired time
                 if ($this->expired_time != '0') {
@@ -2367,7 +2367,7 @@ 
                 $defaults['text_when_finished'] = '';
                 $defaults['start_time'] = date('Y-m-d 12:00:00');
                 $defaults['display_category_name'] = 1;
-                $defaults['end_time']   = date('Y-m-d 12:00:00', time()+84600);
+                $defaults['end_time']   = date('Y-m-d 12:00:00', time() + 84600);
                 $defaults['pass_percentage'] = '';
                 $defaults['end_button'] = $this->selectEndButton();
                 $defaults['question_selection_type'] = 1;
@@ -2467,9 +2467,9 @@ 
         }
 
         if ($form->getSubmitValue('randomAnswers') == 1) {
-            $this->random_answers=1;
+            $this->random_answers = 1;
         } else {
-            $this->random_answers=0;
+            $this->random_answers = 0;
         }
         $this->save($type);
     }
@@ -2481,9 +2481,9 @@ 
         }
         $course_id = api_get_course_id();
 
-        require_once api_get_path(LIBRARY_PATH) . 'search/ChamiloIndexer.class.php';
-        require_once api_get_path(LIBRARY_PATH) . 'search/IndexableChunk.class.php';
-        require_once api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php';
+        require_once api_get_path(LIBRARY_PATH).'search/ChamiloIndexer.class.php';
+        require_once api_get_path(LIBRARY_PATH).'search/IndexableChunk.class.php';
+        require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
 
         $specific_fields = get_specific_field_list();
         $ic_slide = new IndexableChunk();
@@ -2493,7 +2493,7 @@ 
             if (isset($_REQUEST[$specific_field['code']])) {
                 $sterms = trim($_REQUEST[$specific_field['code']]);
                 if (!empty($sterms)) {
-                    $all_specific_terms .= ' '. $sterms;
+                    $all_specific_terms .= ' '.$sterms;
                     $sterms = explode(',', $sterms);
                     foreach ($sterms as $sterm) {
                         $ic_slide->addTerm(trim($sterm), $specific_field['code']);
@@ -2510,15 +2510,15 @@ 
         $xapian_data = array(
             SE_COURSE_ID => $course_id,
             SE_TOOL_ID => TOOL_QUIZ,
-            SE_DATA => array('type' => SE_DOCTYPE_EXERCISE_EXERCISE, 'exercise_id' => (int)$this->id),
-            SE_USER => (int)api_get_user_id(),
+            SE_DATA => array('type' => SE_DOCTYPE_EXERCISE_EXERCISE, 'exercise_id' => (int) $this->id),
+            SE_USER => (int) api_get_user_id(),
         );
         $ic_slide->xapian_data = serialize($xapian_data);
-        $exercise_description = $all_specific_terms .' '. $this->description;
+        $exercise_description = $all_specific_terms.' '.$this->description;
         $ic_slide->addValue("content", $exercise_description);
 
         $di = new ChamiloIndexer();
-        isset($_POST['language'])? $lang=Database::escape_string($_POST['language']): $lang = 'english';
+        isset($_POST['language']) ? $lang = Database::escape_string($_POST['language']) : $lang = 'english';
         $di->connectDb(NULL, NULL, $lang);
         $di->addChunk($ic_slide);
 
@@ -2537,7 +2537,7 @@ 
     function search_engine_edit()
     {
         // update search enchine and its values table if enabled
-        if (api_get_setting('search_enabled')=='true' && extension_loaded('xapian')) {
+        if (api_get_setting('search_enabled') == 'true' && extension_loaded('xapian')) {
             $course_id = api_get_course_id();
 
             // actually, it consists on delete terms from db,
@@ -2549,9 +2549,9 @@ 
             $res = Database::query($sql);
 
             if (Database::num_rows($res) > 0) {
-                require_once(api_get_path(LIBRARY_PATH) . 'search/ChamiloIndexer.class.php');
-                require_once(api_get_path(LIBRARY_PATH) . 'search/IndexableChunk.class.php');
-                require_once(api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php');
+                require_once(api_get_path(LIBRARY_PATH).'search/ChamiloIndexer.class.php');
+                require_once(api_get_path(LIBRARY_PATH).'search/IndexableChunk.class.php');
+                require_once(api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php');
 
                 $se_ref = Database::fetch_array($res);
                 $specific_fields = get_specific_field_list();
@@ -2562,7 +2562,7 @@ 
                     delete_all_specific_field_value($course_id, $specific_field['id'], TOOL_QUIZ, $this->id);
                     if (isset($_REQUEST[$specific_field['code']])) {
                         $sterms = trim($_REQUEST[$specific_field['code']]);
-                        $all_specific_terms .= ' '. $sterms;
+                        $all_specific_terms .= ' '.$sterms;
                         $sterms = explode(',', $sterms);
                         foreach ($sterms as $sterm) {
                             $ic_slide->addTerm(trim($sterm), $specific_field['code']);
@@ -2578,17 +2578,17 @@ 
                 $xapian_data = array(
                     SE_COURSE_ID => $course_id,
                     SE_TOOL_ID => TOOL_QUIZ,
-                    SE_DATA => array('type' => SE_DOCTYPE_EXERCISE_EXERCISE, 'exercise_id' => (int)$this->id),
-                    SE_USER => (int)api_get_user_id(),
+                    SE_DATA => array('type' => SE_DOCTYPE_EXERCISE_EXERCISE, 'exercise_id' => (int) $this->id),
+                    SE_USER => (int) api_get_user_id(),
                 );
                 $ic_slide->xapian_data = serialize($xapian_data);
-                $exercise_description = $all_specific_terms .' '. $this->description;
+                $exercise_description = $all_specific_terms.' '.$this->description;
                 $ic_slide->addValue("content", $exercise_description);
 
                 $di = new ChamiloIndexer();
-                isset($_POST['language'])? $lang=Database::escape_string($_POST['language']): $lang = 'english';
+                isset($_POST['language']) ? $lang = Database::escape_string($_POST['language']) : $lang = 'english';
                 $di->connectDb(NULL, NULL, $lang);
-                $di->remove_document((int)$se_ref['search_did']);
+                $di->remove_document((int) $se_ref['search_did']);
                 $di->addChunk($ic_slide);
 
                 //index and return search engine document id
@@ -2613,7 +2613,7 @@ 
     function search_engine_delete()
     {
         // remove from search engine if enabled
-        if (api_get_setting('search_enabled') == 'true' && extension_loaded('xapian') ) {
+        if (api_get_setting('search_enabled') == 'true' && extension_loaded('xapian')) {
             $course_id = api_get_course_id();
             $tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
             $sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s AND ref_id_second_level IS NULL LIMIT 1';
@@ -2621,19 +2621,19 @@ 
             $res = Database::query($sql);
             if (Database::num_rows($res) > 0) {
                 $row = Database::fetch_array($res);
-                require_once(api_get_path(LIBRARY_PATH) .'search/ChamiloIndexer.class.php');
+                require_once(api_get_path(LIBRARY_PATH).'search/ChamiloIndexer.class.php');
                 $di = new ChamiloIndexer();
-                $di->remove_document((int)$row['search_did']);
+                $di->remove_document((int) $row['search_did']);
                 unset($di);
                 $tbl_quiz_question = Database::get_course_table(TABLE_QUIZ_QUESTION);
-                foreach ( $this->questionList as $question_i) {
+                foreach ($this->questionList as $question_i) {
                     $sql = 'SELECT type FROM %s WHERE id=%s';
                     $sql = sprintf($sql, $tbl_quiz_question, $question_i);
                     $qres = Database::query($sql);
                     if (Database::num_rows($qres) > 0) {
                         $qrow = Database::fetch_array($qres);
                         $objQuestion = Question::getInstance($qrow['type']);
-                        $objQuestion = Question::read((int)$question_i);
+                        $objQuestion = Question::read((int) $question_i);
                         $objQuestion->search_engine_edit($this->id, FALSE, TRUE);
                         unset($objQuestion);
                     }
@@ -2644,7 +2644,7 @@ 
             Database::query($sql);
 
             // remove terms from db
-            require_once api_get_path(LIBRARY_PATH) .'specific_fields_manager.lib.php';
+            require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
             delete_all_values_for_item($course_id, TOOL_QUIZ, $this->id);
         }
     }
@@ -2810,25 +2810,25 @@ 
             $lp_id = 0;
         }
         if (empty($lp_item_id)) {
-            $lp_item_id   = 0;
+            $lp_item_id = 0;
         }
         if (empty($lp_item_view_id)) {
             $lp_item_view_id = 0;
         }
-        $condition = ' WHERE exe_exo_id 	= ' . "'" . $this->id . "'" .' AND
-					   exe_user_id 			= ' . "'" . api_get_user_id() . "'" . ' AND
-					   c_id                 = ' . api_get_course_int_id() . ' AND
-					   status 				= ' . "'" . Database::escape_string($status). "'" . ' AND
-					   orig_lp_id 			= ' . "'" . $lp_id . "'" . ' AND
-					   orig_lp_item_id 		= ' . "'" . $lp_item_id . "'" . ' AND
-                       orig_lp_item_view_id = ' . "'" . $lp_item_view_id . "'" . ' AND
-					   session_id 			= ' . "'" . api_get_session_id() . "' LIMIT 1"; //Adding limit 1 just in case
+        $condition = ' WHERE exe_exo_id 	= '."'".$this->id."'".' AND
+					   exe_user_id 			= ' . "'".api_get_user_id()."'".' AND
+					   c_id                 = ' . api_get_course_int_id().' AND
+					   status 				= ' . "'".Database::escape_string($status)."'".' AND
+					   orig_lp_id 			= ' . "'".$lp_id."'".' AND
+					   orig_lp_item_id 		= ' . "'".$lp_item_id."'".' AND
+                       orig_lp_item_view_id = ' . "'".$lp_item_view_id."'".' AND
+					   session_id 			= ' . "'".api_get_session_id()."' LIMIT 1"; //Adding limit 1 just in case
 
         $sql_track = 'SELECT * FROM '.$track_exercises.$condition;
 
         $result = Database::query($sql_track);
         $new_array = array();
-        if (Database::num_rows($result) > 0 ) {
+        if (Database::num_rows($result) > 0) {
             $new_array = Database::fetch_array($result, 'ASSOC');
             $new_array['num_exe'] = Database::num_rows($result);
         }
@@ -2872,12 +2872,12 @@ 
         $questionList = array_map('intval', $questionList);
 
         $params = array(
-            'exe_exo_id' => $this->id ,
+            'exe_exo_id' => $this->id,
             'exe_user_id' => api_get_user_id(),
             'c_id' => api_get_course_int_id(),
             'status' =>  'incomplete',
             'session_id'  => api_get_session_id(),
-            'data_tracking'  => implode(',', $questionList) ,
+            'data_tracking'  => implode(',', $questionList),
             'start_date' => api_get_utc_datetime(),
             'orig_lp_id' => $safe_lp_id,
             'orig_lp_item_id'  => $safe_lp_item_id,
@@ -2911,7 +2911,7 @@ 
         $nbrQuestions = $this->get_count_question_list();
 
         $all_button = $html = $label = '';
-        $hotspot_get = isset($_POST['hotspot']) ? Security::remove_XSS($_POST['hotspot']):null;
+        $hotspot_get = isset($_POST['hotspot']) ? Security::remove_XSS($_POST['hotspot']) : null;
 
         if ($this->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_DIRECT && $this->type == ONE_PER_PAGE) {
             $urlTitle = get_lang('ContinueTest');
@@ -2922,7 +2922,7 @@ 
 
             $html .= Display::url(
                 $urlTitle,
-                'exercise_submit_modal.php?' . http_build_query([
+                'exercise_submit_modal.php?'.http_build_query([
                     'learnpath_id' => $safe_lp_id,
                     'learnpath_item_id' => $safe_lp_item_id,
                     'learnpath_item_view_id' => $safe_lp_item_view_id,
@@ -2939,7 +2939,7 @@ 
                     'data-size' => 'md'
                 ]
             );
-            $html .='<br />';
+            $html .= '<br />';
         } else {
             // User
             if (api_is_allowed_to_session_edit()) {
@@ -2964,7 +2964,7 @@ 
 
                     //Next question
                     if (!empty($questions_in_media)) {
-                        $questions_in_media = "['".implode("','",$questions_in_media)."']";
+                        $questions_in_media = "['".implode("','", $questions_in_media)."']";
                         $all_button .= '&nbsp;<a href="javascript://" class="'.$class.'" onclick="save_question_list('.$questions_in_media.'); ">'.$label.'</a>';
                     } else {
                         $all_button .= '&nbsp;<a href="javascript://" class="'.$class.'" onclick="save_now('.$question_id.', \'\', \''.$currentAnswer.'\'); ">'.$label.'</a>';
@@ -2982,7 +2982,7 @@ 
                     }
 					$class .= ' question-validate-btn'; // used to select it with jquery
                     $all_button = '&nbsp;<a href="javascript://" class="'.$class.'" onclick="validate_all(); ">'.$all_label.'</a>';
-                    $all_button .= '&nbsp;' . Display::span(null, ['id' => 'save_all_reponse']);
+                    $all_button .= '&nbsp;'.Display::span(null, ['id' => 'save_all_reponse']);
                     $html .= $all_button;
                 }
             }
@@ -3273,11 +3273,11 @@ 
             $answer = $objAnswerTmp->selectAnswer($answerId);
             $answerComment = $objAnswerTmp->selectComment($answerId);
             $answerCorrect = $objAnswerTmp->isCorrect($answerId);
-            $answerWeighting = (float)$objAnswerTmp->selectWeighting($answerId);
+            $answerWeighting = (float) $objAnswerTmp->selectWeighting($answerId);
             $answerAutoId = $objAnswerTmp->selectAutoId($answerId);
             $answerIid = isset($objAnswerTmp->iid[$answerId]) ? $objAnswerTmp->iid[$answerId] : '';
 
-            $answer_correct_array[$answerId] = (bool)$answerCorrect;
+            $answer_correct_array[$answerId] = (bool) $answerCorrect;
 
             if ($debug) {
                 error_log("answer auto id: $answerAutoId ");
@@ -3286,7 +3286,7 @@ 
 
             // Delineation
             $delineation_cord = $objAnswerTmp->selectHotspotCoordinates(1);
-            $answer_delineation_destination=$objAnswerTmp->selectDestination(1);
+            $answer_delineation_destination = $objAnswerTmp->selectDestination(1);
 
             switch ($answerType) {
                 // for unique answer
@@ -3299,7 +3299,7 @@ 
                                     exe_id = '".$exeId."' AND
                                     question_id= '".$questionId."'";
                         $result = Database::query($sql);
-                        $choice = Database::result($result,0,"answer");
+                        $choice = Database::result($result, 0, "answer");
 
                         $studentChoice = $choice == $answerAutoId ? 1 : 0;
                         if ($studentChoice) {
@@ -3350,7 +3350,7 @@ 
                     } else {
                         // If no result then the user just hit don't know
                         $studentChoice = 3;
-                        $questionScore  +=  $doubt_score;
+                        $questionScore += $doubt_score;
                     }
                     $totalScore = $questionScore;
                     break;
@@ -3366,17 +3366,17 @@ 
                         }
 
                         $studentChoice = isset($choice[$answerAutoId]) ? $choice[$answerAutoId] : null;
-                        $real_answers[$answerId] = (bool)$studentChoice;
+                        $real_answers[$answerId] = (bool) $studentChoice;
 
                         if ($studentChoice) {
-                            $questionScore  +=$answerWeighting;
+                            $questionScore += $answerWeighting;
                         }
                     } else {
                         $studentChoice = isset($choice[$answerAutoId]) ? $choice[$answerAutoId] : null;
-                        $real_answers[$answerId] = (bool)$studentChoice;
+                        $real_answers[$answerId] = (bool) $studentChoice;
 
                         if (isset($studentChoice)) {
-                            $questionScore  += $answerWeighting;
+                            $questionScore += $answerWeighting;
                         }
                     }
                     $totalScore += $answerWeighting;
@@ -3394,16 +3394,16 @@ 
                             $choice[$ind] = 1;
                         }
                         $studentChoice = isset($choice[$answerAutoId]) ? $choice[$answerAutoId] : null;
-                        $real_answers[$answerId] = (bool)$studentChoice;
+                        $real_answers[$answerId] = (bool) $studentChoice;
                         if ($studentChoice) {
-                            $questionScore +=$answerWeighting;
+                            $questionScore += $answerWeighting;
                         }
                     } else {
                         $studentChoice = isset($choice[$answerAutoId]) ? $choice[$answerAutoId] : null;
                         if (isset($studentChoice)) {
                             $questionScore += $answerWeighting;
                         }
-                        $real_answers[$answerId] = (bool)$studentChoice;
+                        $real_answers[$answerId] = (bool) $studentChoice;
                     }
                     $totalScore += $answerWeighting;
                     if ($debug) error_log("studentChoice: $studentChoice");
@@ -3415,7 +3415,7 @@ 
                         $resultans = Database::query($sql);
                         while ($row = Database::fetch_array($resultans)) {
                             $ind = $row['answer'];
-                            $result = explode(':',$ind);
+                            $result = explode(':', $ind);
                             if (isset($result[0])) {
                                 $my_answer_id = isset($result[0]) ? $result[0] : '';
                                 $option = isset($result[1]) ? $result[1] : '';
@@ -3536,10 +3536,10 @@ 
                             }
                             // adds the piece of text that is before the blank
                             //and ends with '[' into a general storage array
-                            $real_text[] = api_substr($temp, 0, $pos +1);
-                            $answer .= api_substr($temp, 0, $pos +1);
+                            $real_text[] = api_substr($temp, 0, $pos + 1);
+                            $answer .= api_substr($temp, 0, $pos + 1);
                             //take the string remaining (after the last "[" we found)
-                            $temp = api_substr($temp, $pos +1);
+                            $temp = api_substr($temp, $pos + 1);
                             // quit the loop if there are no more blanks, and update $pos to the position of next ']'
                             if (($pos = api_strpos($temp, ']')) === false) {
                                 // adds the end of the text
@@ -3575,7 +3575,7 @@ 
                             //put the contents of the [] answer tag into correct_tags[]
                             $correct_tags[] = api_substr($temp, 0, $pos);
                             $j++;
-                            $temp = api_substr($temp, $pos +1);
+                            $temp = api_substr($temp, $pos + 1);
                         }
                         $answer = '';
                         $real_correct_tags = $correct_tags;
@@ -3598,7 +3598,7 @@ 
                                 } elseif (!empty($user_tags[$i])) {
                                     // else if the word entered by the student IS NOT the same as the one defined by the professor
                                     // adds the word in red at the end of the string, and strikes it
-                                    $answer .= '<font color="red"><s>' . $user_tags[$i] . '</s></font>';
+                                    $answer .= '<font color="red"><s>'.$user_tags[$i].'</s></font>';
                                 } else {
                                     // adds a tabulation if no word has been typed by the student
                                     $answer .= ''; // remove &nbsp; that causes issue
@@ -3617,17 +3617,17 @@ 
                                 } elseif (!empty ($user_tags[$i])) {
                                     // else if the word entered by the student IS NOT the same as the one defined by the professor
                                     // adds the word in red at the end of the string, and strikes it
-                                    $answer .= '<font color="red"><s>' . $user_tags[$i] . '</s></font>';
+                                    $answer .= '<font color="red"><s>'.$user_tags[$i].'</s></font>';
                                 } else {
                                     // adds a tabulation if no word has been typed by the student
-                                    $answer .= '';  // remove &nbsp; that causes issue
+                                    $answer .= ''; // remove &nbsp; that causes issue
                                 }
                             }
 
                             // adds the correct word, followed by ] to close the blank
-                            $answer .= ' / <font color="green"><b>' . $real_correct_tags[$i] . '</b></font>]';
-                            if (isset($real_text[$i +1])) {
-                                $answer .= $real_text[$i +1];
+                            $answer .= ' / <font color="green"><b>'.$real_correct_tags[$i].'</b></font>]';
+                            if (isset($real_text[$i + 1])) {
+                                $answer .= $real_text[$i + 1];
                             }
                         }
                     } else {
@@ -3748,10 +3748,10 @@ 
                         }
                         // adds the piece of text that is before the blank
                         //and ends with '[' into a general storage array
-                        $realText[] = api_substr($temp, 0, $pos +1);
-                        $answer .= api_substr($temp, 0, $pos +1);
+                        $realText[] = api_substr($temp, 0, $pos + 1);
+                        $answer .= api_substr($temp, 0, $pos + 1);
                         //take the string remaining (after the last "[" we found)
-                        $temp = api_substr($temp, $pos +1);
+                        $temp = api_substr($temp, $pos + 1);
                         // quit the loop if there are no more blanks, and update $pos to the position of next ']'
                         if (($pos = api_strpos($temp, ']')) === false) {
                             // adds the end of the text
@@ -3792,7 +3792,7 @@ 
                         //put the contents of the [] answer tag into correct_tags[]
                         $correctTags[] = api_substr($temp, 0, $pos);
                         $j++;
-                        $temp = api_substr($temp, $pos +1);
+                        $temp = api_substr($temp, $pos + 1);
                     }
                     $answer = '';
                     $realCorrectTags = $correctTags;
@@ -3812,7 +3812,7 @@ 
                         } elseif (!empty($userTags[$i])) {
                             // else if the word entered by the student IS NOT the same as the one defined by the professor
                             // adds the word in red at the end of the string, and strikes it
-                            $answer .= '<font color="red"><s>' . $userTags[$i] . '</s></font>';
+                            $answer .= '<font color="red"><s>'.$userTags[$i].'</s></font>';
                         } else {
                             // adds a tabulation if no word has been typed by the student
                             $answer .= ''; // remove &nbsp; that causes issue
@@ -3822,19 +3822,19 @@ 
                         if (
                             $this->results_disabled != EXERCISE_FEEDBACK_TYPE_EXAM
                         ) {
-                            $answer .= ' / <font color="green"><b>' . $realCorrectTags[$i] . '</b></font>';
+                            $answer .= ' / <font color="green"><b>'.$realCorrectTags[$i].'</b></font>';
                         }
 
                         $answer .= ']';
 
-                        if (isset($realText[$i +1])) {
-                            $answer .= $realText[$i +1];
+                        if (isset($realText[$i + 1])) {
+                            $answer .= $realText[$i + 1];
                         }
                     }
                     break;
                 case FREE_ANSWER:
                     if ($from_database) {
-                        $query  = "SELECT answer, marks FROM ".$TBL_TRACK_ATTEMPT."
+                        $query = "SELECT answer, marks FROM ".$TBL_TRACK_ATTEMPT."
                                    WHERE exe_id = '".$exeId."' AND question_id= '".$questionId."'";
                         $resq = Database::query($query);
                         $data = Database::fetch_array($resq);
@@ -3845,9 +3845,9 @@ 
                         $questionScore = $data['marks'];
 
                         if ($questionScore == -1) {
-                            $totalScore+= 0;
+                            $totalScore += 0;
                         } else {
-                            $totalScore+= $questionScore;
+                            $totalScore += $questionScore;
                         }
                         if ($questionScore == '') {
                             $questionScore = 0;
@@ -3926,7 +3926,7 @@ 
 
                         while ($a_answers = Database::fetch_array($res_answers)) {
                             $i_answer_id = $a_answers['id']; //3
-                            $s_answer_label = $a_answers['answer'];  // your daddy - your mother
+                            $s_answer_label = $a_answers['answer']; // your daddy - your mother
                             $i_answer_correct_answer = $a_answers['correct']; //1 - 2
                             $i_answer_id_auto = $a_answers['id_auto']; // 3 - 4
 
@@ -3996,8 +3996,8 @@ 
                                     $user_answer = '';
                                 }
                                 echo '<tr>';
-                                echo '<td>' . $s_answer_label . '</td>';
-                                echo '<td>' . $user_answer;
+                                echo '<td>'.$s_answer_label.'</td>';
+                                echo '<td>'.$user_answer;
 
                                 if (in_array($answerType, [MATCHING, MATCHING_DRAGGABLE])) {
                                     if (isset($real_list[$i_answer_correct_answer]) &&
@@ -4159,7 +4159,7 @@ 
                     if ($from_database) {
                         // getting the user answer
                         $TBL_TRACK_HOTSPOT = Database::get_main_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
-                        $query   = "SELECT hotspot_correct, hotspot_coordinate
+                        $query = "SELECT hotspot_correct, hotspot_coordinate
                                     FROM $TBL_TRACK_HOTSPOT
                                     WHERE
                                         hotspot_exe_id = '".$exeId."' AND
@@ -4167,20 +4167,20 @@ 
                                         hotspot_answer_id='1'";
                         //by default we take 1 because it's a delineation
                         $resq = Database::query($query);
-                        $row = Database::fetch_array($resq,'ASSOC');
+                        $row = Database::fetch_array($resq, 'ASSOC');
 
                         $choice = $row['hotspot_correct'];
                         $user_answer = $row['hotspot_coordinate'];
 
                         // THIS is very important otherwise the poly_compile will throw an error!!
                         // round-up the coordinates
-                        $coords = explode('/',$user_answer);
+                        $coords = explode('/', $user_answer);
                         $user_array = '';
                         foreach ($coords as $coord) {
-                            list($x,$y) = explode(';',$coord);
+                            list($x, $y) = explode(';', $coord);
                             $user_array .= round($x).';'.round($y).'/';
                         }
-                        $user_array = substr($user_array,0,-1);
+                        $user_array = substr($user_array, 0, -1);
                     } else {
                         if (!empty($studentChoice)) {
                             $newquestionList[] = $questionId;
@@ -4190,13 +4190,13 @@ 
                             $studentChoice = $choice[$answerId];
                             $questionScore += $answerWeighting;
 
-                            if ($hotspot_delineation_result[1]==1) {
+                            if ($hotspot_delineation_result[1] == 1) {
                                 $totalScore += $answerWeighting; //adding the total
                             }
                         }
                     }
-                    $_SESSION['hotspot_coord'][1]	= $delineation_cord;
-                    $_SESSION['hotspot_dest'][1]	= $answer_delineation_destination;
+                    $_SESSION['hotspot_coord'][1] = $delineation_cord;
+                    $_SESSION['hotspot_dest'][1] = $answer_delineation_destination;
                     break;
             } // end switch Answertype
 
@@ -4248,7 +4248,7 @@ 
                                 $results_disabled,
                                 $showTotalScoreAndUserChoicesInLastAttempt
                             );
-                        } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE ) {
+                        } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
                             ExerciseShowFunctions::display_multiple_answer_combination_true_false(
                                 $feedback_type,
                                 $answerType,
@@ -4330,13 +4330,13 @@ 
                             $user_answer = $_SESSION['exerciseResultCoordinates'][$questionId];
 
                             //round-up the coordinates
-                            $coords = explode('/',$user_answer);
+                            $coords = explode('/', $user_answer);
                             $user_array = '';
                             foreach ($coords as $coord) {
-                                list($x,$y) = explode(';',$coord);
+                                list($x, $y) = explode(';', $coord);
                                 $user_array .= round($x).';'.round($y).'/';
                             }
-                            $user_array = substr($user_array,0,-1);
+                            $user_array = substr($user_array, 0, -1);
 
                             if ($next) {
 
@@ -4363,7 +4363,7 @@ 
                                 //$overlap = round(polygons_overlap($poly_answer,$poly_user));
                                 // //this is an area in pixels
                                 if ($debug > 0) {
-                                    error_log(__LINE__ . ' - Polygons results are ' . print_r($poly_results, 1), 0);
+                                    error_log(__LINE__.' - Polygons results are '.print_r($poly_results, 1), 0);
                                 }
 
                                 if ($overlap < 1) {
@@ -4376,43 +4376,43 @@ 
                                     // that is overlapped by the user's polygon
                                     $final_overlap = round(((float) $overlap / (float) $poly_answer_area) * 100);
                                     if ($debug > 1) {
-                                        error_log(__LINE__ . ' - Final overlap is ' . $final_overlap, 0);
+                                        error_log(__LINE__.' - Final overlap is '.$final_overlap, 0);
                                     }
                                     // the final missing area is the percentage of the initial polygon
                                     // that is not overlapped by the user's polygon
                                     $final_missing = 100 - $final_overlap;
                                     if ($debug > 1) {
-                                        error_log(__LINE__ . ' - Final missing is ' . $final_missing, 0);
+                                        error_log(__LINE__.' - Final missing is '.$final_missing, 0);
                                     }
                                     // the final excess area is the percentage of the initial polygon's size
                                     // that is covered by the user's polygon outside of the initial polygon
                                     $final_excess = round((((float) $poly_user_area - (float) $overlap) / (float) $poly_answer_area) * 100);
                                     if ($debug > 1) {
-                                        error_log(__LINE__ . ' - Final excess is ' . $final_excess, 0);
+                                        error_log(__LINE__.' - Final excess is '.$final_excess, 0);
                                     }
                                 }
 
                                 //checking the destination parameters parsing the "@@"
-                                $destination_items= explode('@@', $answerDestination);
+                                $destination_items = explode('@@', $answerDestination);
                                 $threadhold_total = $destination_items[0];
-                                $threadhold_items=explode(';',$threadhold_total);
+                                $threadhold_items = explode(';', $threadhold_total);
                                 $threadhold1 = $threadhold_items[0]; // overlap
                                 $threadhold2 = $threadhold_items[1]; // excess
-                                $threadhold3 = $threadhold_items[2];	 //missing
+                                $threadhold3 = $threadhold_items[2]; //missing
 
                                 // if is delineation
-                                if ($answerId===1) {
+                                if ($answerId === 1) {
                                     //setting colors
-                                    if ($final_overlap>=$threadhold1) {
-                                        $overlap_color=true; //echo 'a';
+                                    if ($final_overlap >= $threadhold1) {
+                                        $overlap_color = true; //echo 'a';
                                     }
                                     //echo $excess.'-'.$threadhold2;
-                                    if ($final_excess<=$threadhold2) {
-                                        $excess_color=true; //echo 'b';
+                                    if ($final_excess <= $threadhold2) {
+                                        $excess_color = true; //echo 'b';
                                     }
                                     //echo '--------'.$missing.'-'.$threadhold3;
-                                    if ($final_missing<=$threadhold3) {
-                                        $missing_color=true; //echo 'c';
+                                    if ($final_missing <= $threadhold3) {
+                                        $missing_color = true; //echo 'c';
                                     }
 
                                     // if pass
@@ -4421,67 +4421,67 @@ 
                                         $final_missing <= $threadhold3 &&
                                         $final_excess <= $threadhold2
                                     ) {
-                                        $next=1; //go to the oars
-                                        $result_comment=get_lang('Acceptable');
-                                        $final_answer = 1;	// do not update with  update_exercise_attempt
+                                        $next = 1; //go to the oars
+                                        $result_comment = get_lang('Acceptable');
+                                        $final_answer = 1; // do not update with  update_exercise_attempt
                                     } else {
-                                        $next=0;
-                                        $result_comment=get_lang('Unacceptable');
-                                        $comment=$answerDestination=$objAnswerTmp->selectComment(1);
-                                        $answerDestination=$objAnswerTmp->selectDestination(1);
+                                        $next = 0;
+                                        $result_comment = get_lang('Unacceptable');
+                                        $comment = $answerDestination = $objAnswerTmp->selectComment(1);
+                                        $answerDestination = $objAnswerTmp->selectDestination(1);
                                         //checking the destination parameters parsing the "@@"
-                                        $destination_items= explode('@@', $answerDestination);
+                                        $destination_items = explode('@@', $answerDestination);
                                     }
-                                } elseif($answerId>1) {
+                                } elseif ($answerId > 1) {
                                     if ($objAnswerTmp->selectHotspotType($answerId) == 'noerror') {
-                                        if ($debug>0) {
-                                            error_log(__LINE__.' - answerId is of type noerror',0);
+                                        if ($debug > 0) {
+                                            error_log(__LINE__.' - answerId is of type noerror', 0);
                                         }
                                         //type no error shouldn't be treated
                                         $next = 1;
                                         continue;
                                     }
-                                    if ($debug>0) {
-                                        error_log(__LINE__.' - answerId is >1 so we\'re probably in OAR',0);
+                                    if ($debug > 0) {
+                                        error_log(__LINE__.' - answerId is >1 so we\'re probably in OAR', 0);
                                     }
                                     //check the intersection between the oar and the user
                                     //echo 'user';	print_r($x_user_list);		print_r($y_user_list);
                                     //echo 'official';print_r($x_list);print_r($y_list);
                                     //$result = get_intersection_data($x_list,$y_list,$x_user_list,$y_user_list);
-                                    $inter= $result['success'];
+                                    $inter = $result['success'];
 
                                     //$delineation_cord=$objAnswerTmp->selectHotspotCoordinates($answerId);
-                                    $delineation_cord=$objAnswerTmp->selectHotspotCoordinates($answerId);
+                                    $delineation_cord = $objAnswerTmp->selectHotspotCoordinates($answerId);
 
-                                    $poly_answer = convert_coordinates($delineation_cord,'|');
-                                    $max_coord = poly_get_max($poly_user,$poly_answer);
-                                    $poly_answer_compiled = poly_compile($poly_answer,$max_coord);
-                                    $overlap = poly_touch($poly_user_compiled, $poly_answer_compiled,$max_coord);
+                                    $poly_answer = convert_coordinates($delineation_cord, '|');
+                                    $max_coord = poly_get_max($poly_user, $poly_answer);
+                                    $poly_answer_compiled = poly_compile($poly_answer, $max_coord);
+                                    $overlap = poly_touch($poly_user_compiled, $poly_answer_compiled, $max_coord);
 
                                     if ($overlap == false) {
                                         //all good, no overlap
                                         $next = 1;
                                         continue;
                                     } else {
-                                        if ($debug>0) {
-                                            error_log(__LINE__.' - Overlap is '.$overlap.': OAR hit',0);
+                                        if ($debug > 0) {
+                                            error_log(__LINE__.' - Overlap is '.$overlap.': OAR hit', 0);
                                         }
                                         $organs_at_risk_hit++;
                                         //show the feedback
-                                        $next=0;
-                                        $comment=$answerDestination=$objAnswerTmp->selectComment($answerId);
-                                        $answerDestination=$objAnswerTmp->selectDestination($answerId);
-
-                                        $destination_items= explode('@@', $answerDestination);
-                                        $try_hotspot=$destination_items[1];
-                                        $lp_hotspot=$destination_items[2];
-                                        $select_question_hotspot=$destination_items[3];
-                                        $url_hotspot=$destination_items[4];
+                                        $next = 0;
+                                        $comment = $answerDestination = $objAnswerTmp->selectComment($answerId);
+                                        $answerDestination = $objAnswerTmp->selectDestination($answerId);
+
+                                        $destination_items = explode('@@', $answerDestination);
+                                        $try_hotspot = $destination_items[1];
+                                        $lp_hotspot = $destination_items[2];
+                                        $select_question_hotspot = $destination_items[3];
+                                        $url_hotspot = $destination_items[4];
                                     }
                                 }
                             } else {	// the first delineation feedback
-                                if ($debug>0) {
-                                    error_log(__LINE__.' first',0);
+                                if ($debug > 0) {
+                                    error_log(__LINE__.' first', 0);
                                 }
                             }
                         } elseif (in_array($answerType, [MATCHING, MATCHING_DRAGGABLE])) {
@@ -4489,7 +4489,7 @@ 
                             echo Display::tag('td', $answerMatching[$answerId]);
                             echo Display::tag(
                                 'td',
-                                "$user_answer / " . Display::tag(
+                                "$user_answer / ".Display::tag(
                                     'strong',
                                     $answerMatching[$answerCorrect],
                                     ['style' => 'color: #008000; font-weight: bold;']
@@ -4641,7 +4641,7 @@ 
                                     $questionId,
                                     $objQuestionTmp->getFileUrl(),
                                     $results_disabled
-                                ) . '</td>
+                                ).'</td>
                                 </tr>
                                 </table>';
                             break;
@@ -4703,7 +4703,7 @@ 
 
                                 //$overlap = round(polygons_overlap($poly_answer,$poly_user)); //this is an area in pixels
                                 if ($debug > 0) {
-                                    error_log(__LINE__ . ' - Polygons results are ' . print_r($poly_results, 1), 0);
+                                    error_log(__LINE__.' - Polygons results are '.print_r($poly_results, 1), 0);
                                 }
                                 if ($overlap < 1) {
                                     //shortcut to avoid complicated calculations
@@ -4714,17 +4714,17 @@ 
                                     // the final overlap is the percentage of the initial polygon that is overlapped by the user's polygon
                                     $final_overlap = round(((float) $overlap / (float) $poly_answer_area) * 100);
                                     if ($debug > 1) {
-                                        error_log(__LINE__ . ' - Final overlap is ' . $final_overlap, 0);
+                                        error_log(__LINE__.' - Final overlap is '.$final_overlap, 0);
                                     }
                                     // the final missing area is the percentage of the initial polygon that is not overlapped by the user's polygon
                                     $final_missing = 100 - $final_overlap;
                                     if ($debug > 1) {
-                                        error_log(__LINE__ . ' - Final missing is ' . $final_missing, 0);
+                                        error_log(__LINE__.' - Final missing is '.$final_missing, 0);
                                     }
                                     // the final excess area is the percentage of the initial polygon's size that is covered by the user's polygon outside of the initial polygon
                                     $final_excess = round((((float) $poly_user_area - (float) $overlap) / (float) $poly_answer_area) * 100);
                                     if ($debug > 1) {
-                                        error_log(__LINE__ . ' - Final excess is ' . $final_excess, 0);
+                                        error_log(__LINE__.' - Final excess is '.$final_excess, 0);
                                     }
                                 }
 
@@ -4734,7 +4734,7 @@ 
                                 $threadhold_items = explode(';', $threadhold_total);
                                 $threadhold1 = $threadhold_items[0]; // overlap
                                 $threadhold2 = $threadhold_items[1]; // excess
-                                $threadhold3 = $threadhold_items[2];  //missing
+                                $threadhold3 = $threadhold_items[2]; //missing
                                 // if is delineation
                                 if ($answerId === 1) {
                                     //setting colors
@@ -4766,14 +4766,14 @@ 
                                 } elseif ($answerId > 1) {
                                     if ($objAnswerTmp->selectHotspotType($answerId) == 'noerror') {
                                         if ($debug > 0) {
-                                            error_log(__LINE__ . ' - answerId is of type noerror', 0);
+                                            error_log(__LINE__.' - answerId is of type noerror', 0);
                                         }
                                         //type no error shouldn't be treated
                                         $next = 1;
                                         continue;
                                     }
                                     if ($debug > 0) {
-                                        error_log(__LINE__ . ' - answerId is >1 so we\'re probably in OAR', 0);
+                                        error_log(__LINE__.' - answerId is >1 so we\'re probably in OAR', 0);
                                     }
                                     //check the intersection between the oar and the user
                                     //echo 'user';	print_r($x_user_list);		print_r($y_user_list);
@@ -4787,7 +4787,7 @@ 
                                     $poly_answer = convert_coordinates($delineation_cord, '|');
                                     $max_coord = poly_get_max($poly_user, $poly_answer);
                                     $poly_answer_compiled = poly_compile($poly_answer, $max_coord);
-                                    $overlap = poly_touch($poly_user_compiled, $poly_answer_compiled,$max_coord);
+                                    $overlap = poly_touch($poly_user_compiled, $poly_answer_compiled, $max_coord);
 
                                     if ($overlap == false) {
                                         //all good, no overlap
@@ -4795,7 +4795,7 @@ 
                                         continue;
                                     } else {
                                         if ($debug > 0) {
-                                            error_log(__LINE__ . ' - Overlap is ' . $overlap . ': OAR hit', 0);
+                                            error_log(__LINE__.' - Overlap is '.$overlap.': OAR hit', 0);
                                         }
                                         $organs_at_risk_hit++;
                                         //show the feedback
@@ -4807,12 +4807,12 @@ 
                                         $try_hotspot = $destination_items[1];
                                         $lp_hotspot = $destination_items[2];
                                         $select_question_hotspot = $destination_items[3];
-                                        $url_hotspot=$destination_items[4];
+                                        $url_hotspot = $destination_items[4];
                                     }
                                 }
                             } else {	// the first delineation feedback
                                 if ($debug > 0) {
-                                    error_log(__LINE__ . ' first', 0);
+                                    error_log(__LINE__.' first', 0);
                                 }
                             }
                             break;
@@ -4834,7 +4834,7 @@ 
                             echo Display::tag('td', $answerMatching[$answerId]);
                             echo Display::tag(
                                 'td',
-                                "$user_answer / " . Display::tag(
+                                "$user_answer / ".Display::tag(
                                     'strong',
                                     $answerMatching[$answerCorrect],
                                     ['style' => 'color: #008000; font-weight: bold;']
@@ -4920,7 +4920,7 @@ 
             //  we use the results from the session (from_db=0)
             // TODO Change this, because it is wrong to show the user
             //  some results that haven't been stored in the database yet
-            if ($answerType == HOT_SPOT || $answerType == HOT_SPOT_ORDER || $answerType == HOT_SPOT_DELINEATION ) {
+            if ($answerType == HOT_SPOT || $answerType == HOT_SPOT_ORDER || $answerType == HOT_SPOT_DELINEATION) {
 
                 if ($debug) error_log('$from AND this is a hotspot kind of question ');
 
@@ -4929,19 +4929,19 @@ 
                 if ($answerType == HOT_SPOT_DELINEATION) {
                     if (0) {
                         if ($overlap_color) {
-                            $overlap_color='green';
+                            $overlap_color = 'green';
                         } else {
-                            $overlap_color='red';
+                            $overlap_color = 'red';
                         }
                         if ($missing_color) {
-                            $missing_color='green';
+                            $missing_color = 'green';
                         } else {
-                            $missing_color='red';
+                            $missing_color = 'red';
                         }
                         if ($excess_color) {
-                            $excess_color='green';
+                            $excess_color = 'green';
                         } else {
-                            $excess_color='red';
+                            $excess_color = 'red';
                         }
                         if (!is_numeric($final_overlap)) {
                             $final_overlap = 0;
@@ -4953,33 +4953,33 @@ 
                             $final_excess = 0;
                         }
 
-                        if ($final_overlap>100) {
+                        if ($final_overlap > 100) {
                             $final_overlap = 100;
                         }
 
-                        $table_resume='<table class="data_table">
+                        $table_resume = '<table class="data_table">
                                 <tr class="row_odd" >
                                     <td></td>
-                                    <td ><b>' . get_lang('Requirements') . '</b></td>
-                                    <td><b>' . get_lang('YourAnswer') . '</b></td>
+                                    <td ><b>' . get_lang('Requirements').'</b></td>
+                                    <td><b>' . get_lang('YourAnswer').'</b></td>
                                 </tr>
                                 <tr class="row_even">
-                                    <td><b>' . get_lang('Overlap') . '</b></td>
-                                    <td>' . get_lang('Min') . ' ' . $threadhold1 . '</td>
-                                    <td><div style="color:' . $overlap_color . '">'
-                                        . (($final_overlap < 0) ? 0 : intval($final_overlap)) . '</div></td>
+                                    <td><b>' . get_lang('Overlap').'</b></td>
+                                    <td>' . get_lang('Min').' '.$threadhold1.'</td>
+                                    <td><div style="color:' . $overlap_color.'">'
+                                        . (($final_overlap < 0) ? 0 : intval($final_overlap)).'</div></td>
                                 </tr>
                                 <tr>
-                                    <td><b>' . get_lang('Excess') . '</b></td>
-                                    <td>' . get_lang('Max') . ' ' . $threadhold2 . '</td>
-                                    <td><div style="color:' . $excess_color . '">'
-                                        . (($final_excess < 0) ? 0 : intval($final_excess)) . '</div></td>
+                                    <td><b>' . get_lang('Excess').'</b></td>
+                                    <td>' . get_lang('Max').' '.$threadhold2.'</td>
+                                    <td><div style="color:' . $excess_color.'">'
+                                        . (($final_excess < 0) ? 0 : intval($final_excess)).'</div></td>
                                 </tr>
                                 <tr class="row_even">
-                                    <td><b>' . get_lang('Missing') . '</b></td>
-                                    <td>' . get_lang('Max') . ' ' . $threadhold3 . '</td>
-                                    <td><div style="color:' . $missing_color . '">'
-                                        . (($final_missing < 0) ? 0 : intval($final_missing)) . '</div></td>
+                                    <td><b>' . get_lang('Missing').'</b></td>
+                                    <td>' . get_lang('Max').' '.$threadhold3.'</td>
+                                    <td><div style="color:' . $missing_color.'">'
+                                        . (($final_missing < 0) ? 0 : intval($final_missing)).'</div></td>
                                 </tr>
                             </table>';
                         if ($next == 0) {
@@ -4994,20 +4994,20 @@ 
                             $answerDestination = $objAnswerTmp->selectDestination($nbrAnswers);
                         }
 
-                        echo '<h1><div style="color:#333;">' . get_lang('Feedback') . '</div></h1>
+                        echo '<h1><div style="color:#333;">'.get_lang('Feedback').'</div></h1>
                             <p style="text-align:center">';
 
-                        $message = '<p>' . get_lang('YourDelineation') . '</p>';
+                        $message = '<p>'.get_lang('YourDelineation').'</p>';
                         $message .= $table_resume;
-                        $message .= '<br />' . get_lang('ResultIs') . ' ' . $result_comment . '<br />';
+                        $message .= '<br />'.get_lang('ResultIs').' '.$result_comment.'<br />';
                         if ($organs_at_risk_hit > 0) {
-                            $message .= '<p><b>' . get_lang('OARHit') . '</b></p>';
+                            $message .= '<p><b>'.get_lang('OARHit').'</b></p>';
                         }
-                        $message .='<p>' . $comment . '</p>';
+                        $message .= '<p>'.$comment.'</p>';
                         echo $message;
                     } else {
                         echo $hotspot_delineation_result[0]; //prints message
-                        $from_database = 1;  // the hotspot_solution.swf needs this variable
+                        $from_database = 1; // the hotspot_solution.swf needs this variable
                     }
 
                     //save the score attempts
@@ -5030,12 +5030,12 @@ 
                             $exerciseResultCoordinates[$quesId]
                         );
                     } else {
-                        if ($final_answer==0) {
+                        if ($final_answer == 0) {
                             $questionScore = 0;
-                            $answer=0;
+                            $answer = 0;
                             Event::saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0);
                             if (is_array($exerciseResultCoordinates[$quesId])) {
-                                foreach($exerciseResultCoordinates[$quesId] as $idx => $val) {
+                                foreach ($exerciseResultCoordinates[$quesId] as $idx => $val) {
                                     Event::saveExerciseAttemptHotspot(
                                         $exeId,
                                         $quesId,
@@ -5048,7 +5048,7 @@ 
                         } else {
                             Event::saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0);
                             if (is_array($exerciseResultCoordinates[$quesId])) {
-                                foreach($exerciseResultCoordinates[$quesId] as $idx => $val) {
+                                foreach ($exerciseResultCoordinates[$quesId] as $idx => $val) {
                                     $hotspotValue = (int) $choice[$idx] === 1 ? 1 : 0;
                                     Event::saveExerciseAttemptHotspot(
                                         $exeId,
@@ -5075,7 +5075,7 @@ 
                     echo "
                         <tr>
                             <td colspan=\"2\">
-                                <p><em>" . get_lang('HotSpot') . "</em></p>
+                                <p><em>" . get_lang('HotSpot')."</em></p>
                                 <div id=\"hotspot-solution-$questionId\"></div>
                                 <script>
                                     $(document).on('ready', function () {
@@ -5110,7 +5110,7 @@ 
 
         if ($saved_results) {
             if ($debug) error_log("Save question results $saved_results");
-            if ($debug) error_log(print_r($choice ,1 ));
+            if ($debug) error_log(print_r($choice, 1));
 
             if (empty($choice)) {
                 $choice = 0;
@@ -5122,14 +5122,14 @@ 
                         $ans = $reply[$i];
                         Event::saveQuestionAttempt(
                             $questionScore,
-                            $ans . ':' . $choice[$ans],
+                            $ans.':'.$choice[$ans],
                             $quesId,
                             $exeId,
                             $i,
                             $this->id
                         );
                         if ($debug) {
-                            error_log('result =>' . $questionScore . ' ' . $ans . ':' . $choice[$ans]);
+                            error_log('result =>'.$questionScore.' '.$ans.':'.$choice[$ans]);
                         }
                     }
                 } else {
@@ -5140,7 +5140,7 @@ 
                     $reply = array_keys($choice);
 
                     if ($debug) {
-                        error_log("reply " . print_r($reply, 1) . "");
+                        error_log("reply ".print_r($reply, 1)."");
                     }
                     for ($i = 0; $i < sizeof($reply); $i++) {
                         $ans = $reply[$i];
@@ -5215,7 +5215,7 @@ 
 
                 Event::saveQuestionAttempt($questionScore, implode('|', $answer), $quesId, $exeId, 0, $this->id);
             } else {
-                Event::saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0,$this->id);
+                Event::saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0, $this->id);
             }
         }
 
@@ -5225,8 +5225,8 @@ 
 
         if ($saved_results) {
             $stat_table = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
-            $sql = 'UPDATE ' . $stat_table . ' SET
-                        exe_result = exe_result + ' . floatval($questionScore) . '
+            $sql = 'UPDATE '.$stat_table.' SET
+                        exe_result = exe_result + ' . floatval($questionScore).'
                     WHERE exe_id = ' . $exeId;
             Database::query($sql);
         }
@@ -5317,7 +5317,7 @@ 
         $msg = str_replace("#course#", $courseInfo['name'], $msg1);
 
         if ($origin != 'learnpath') {
-            $msg.= '<br /><a href="#url#">'.get_lang('ClickToCommentAndGiveFeedback').'</a>';
+            $msg .= '<br /><a href="#url#">'.get_lang('ClickToCommentAndGiveFeedback').'</a>';
         }
         $msg1 = str_replace("#url#", $url_email, $msg);
         $mail_content = $msg1;
@@ -5356,7 +5356,7 @@ 
      */
     public function send_notification_for_open_questions($question_list_answers, $origin, $exe_id)
     {
-        if (api_get_course_setting('email_alert_manager_on_new_quiz') != 1 ) {
+        if (api_get_course_setting('email_alert_manager_on_new_quiz') != 1) {
             return null;
         }
         // Email configuration settings
@@ -5419,11 +5419,11 @@ 
             $msg .= '</table><br />';
 
 
-            $msg1   = str_replace("#exercise#",    $this->exercise, $msg);
-            $msg    = str_replace("#firstName#",   $user_info['firstname'],$msg1);
-            $msg1   = str_replace("#lastName#",    $user_info['lastname'],$msg);
-            $msg    = str_replace("#mail#",        $user_info['email'],$msg1);
-            $msg    = str_replace("#course#",      $course_info['name'],$msg1);
+            $msg1   = str_replace("#exercise#", $this->exercise, $msg);
+            $msg    = str_replace("#firstName#", $user_info['firstname'], $msg1);
+            $msg1   = str_replace("#lastName#", $user_info['lastname'], $msg);
+            $msg    = str_replace("#mail#", $user_info['email'], $msg1);
+            $msg    = str_replace("#course#", $course_info['name'], $msg1);
 
             if ($origin != 'learnpath') {
                 $msg .= '<br /><a href="#url#">'.get_lang('ClickToCommentAndGiveFeedback').'</a>';
@@ -5452,7 +5452,7 @@ 
 
     function send_notification_for_oral_questions($question_list_answers, $origin, $exe_id)
     {
-        if (api_get_course_setting('email_alert_manager_on_new_quiz') != 1 ) {
+        if (api_get_course_setting('email_alert_manager_on_new_quiz') != 1) {
             return null;
         }
         // Email configuration settings
@@ -5476,7 +5476,7 @@ 
             $answer_type = $item['answer_type'];
 
             if (!empty($question) && !empty($answer) && $answer_type == ORAL_EXPRESSION) {
-                $oral_question_list.='<br /><table width="730" height="136" border="0" cellpadding="3" cellspacing="3">'
+                $oral_question_list .= '<br /><table width="730" height="136" border="0" cellpadding="3" cellspacing="3">'
                     .'<tr>'
                         .'<td width="220" valign="top" bgcolor="#E5EDF8">&nbsp;&nbsp;'.get_lang('Question').'</td>'
                         .'<td width="473" valign="top" bgcolor="#F3F3F3">'.$question.'</td>'
@@ -5509,7 +5509,7 @@ 
                             .'<td>&nbsp;#mail#</td>'
                         .'</tr>'
                     .'</table>';
-            $msg .=  '<br />'.sprintf(get_lang('OralQuestionsAttemptedAreX'),$oral_question_list).'<br />';
+            $msg .= '<br />'.sprintf(get_lang('OralQuestionsAttemptedAreX'), $oral_question_list).'<br />';
             $msg1 = str_replace("#exercise#", $this->exercise, $msg);
             $msg = str_replace("#firstName#", $user_info['firstname'], $msg1);
             $msg1 = str_replace("#lastName#", $user_info['lastname'], $msg);
@@ -5517,7 +5517,7 @@ 
             $msg = str_replace("#course#", $course_info['name'], $msg1);
 
             if ($origin != 'learnpath') {
-                $msg.= '<br /><a href="#url#">'.get_lang('ClickToCommentAndGiveFeedback').'</a>';
+                $msg .= '<br /><a href="#url#">'.get_lang('ClickToCommentAndGiveFeedback').'</a>';
             }
             $msg1 = str_replace("#url#", $url_email, $msg);
             $mail_content = $msg1;
@@ -5583,10 +5583,10 @@ 
         }
         $html  = '<div class="question-result">';
         $html .= Display::page_header(
-            Display::return_icon('test-quiz.png', get_lang('Result'),null, ICON_SIZE_MEDIUM).' '.$this->exercise.' : '.get_lang('Result')
+            Display::return_icon('test-quiz.png', get_lang('Result'), null, ICON_SIZE_MEDIUM).' '.$this->exercise.' : '.get_lang('Result')
         );
         $html .= Display::description($array);
-        $html .="</div>";
+        $html .= "</div>";
         return $html;
     }
 
@@ -5703,7 +5703,7 @@ 
                     false,
                     $objExercise->selectPropagateNeg()
                 );
-                $totalScore      += $question_result['score'];
+                $totalScore += $question_result['score'];
             }
 
             if ($objExercise->selectPropagateNeg() == 0 && $totalScore < 0) {
@@ -5907,7 +5907,7 @@ 
         }
 
         $rawMessage = "";
-        if (!empty($message)){
+        if (!empty($message)) {
             $rawMessage = $message;
             $message = Display::return_message($message, 'warning', false);
         }
@@ -5923,7 +5923,7 @@ 
     {
         $TBL_LP_ITEM = Database::get_course_table(TABLE_LP_ITEM);
         $sql = "SELECT max_score FROM $TBL_LP_ITEM
-            WHERE c_id = {$this->course_id} AND item_type = '" . TOOL_QUIZ . "' AND path = '{$this->id}'";
+            WHERE c_id = {$this->course_id} AND item_type = '".TOOL_QUIZ."' AND path = '{$this->id}'";
         $result = Database::query($sql);
         if (Database::num_rows($result) > 0) {
             return true;
@@ -6253,7 +6253,7 @@ 
         $sql_track = "SELECT * FROM $track_exercises WHERE exe_id = $exe_id ";
         $result = Database::query($sql_track);
         $new_array = array();
-        if (Database::num_rows($result) > 0 ) {
+        if (Database::num_rows($result) > 0) {
             $new_array = Database::fetch_array($result, 'ASSOC');
 
             $new_array['duration'] = null;
@@ -6265,11 +6265,11 @@ 
                 $start_date = api_strtotime($start_date, 'UTC');
                 $end_date = api_strtotime($end_date, 'UTC');
                 if ($start_date && $end_date) {
-                    $mytime = $end_date- $start_date;
+                    $mytime = $end_date - $start_date;
                     $new_learnpath_item = new learnpathItem(null);
                     $time_attemp = $new_learnpath_item->get_scorm_time('js', $mytime);
                     $h = get_lang('h');
-                    $time_attemp = str_replace('NaN', '00' . $h . '00\'00"', $time_attemp);
+                    $time_attemp = str_replace('NaN', '00'.$h.'00\'00"', $time_attemp);
                     $new_array['duration'] = $time_attemp;
                 }
             }
@@ -6291,7 +6291,7 @@ 
                     Database::query($sql);
                 }
             } else {
-                $remind_list = explode(',',$exercise_info['questions_to_check']);
+                $remind_list = explode(',', $exercise_info['questions_to_check']);
 
                 $remind_list_string = '';
                 if ($action == 'add') {
@@ -6303,7 +6303,7 @@ 
                         }
                         $remind_list_string = implode(',', $remind_list);
                     }
-                } elseif ($action == 'delete')  {
+                } elseif ($action == 'delete') {
                     if (!empty($remind_list)) {
                         if (in_array($question_id, $remind_list)) {
                             $remind_list = array_flip($remind_list);
@@ -6532,7 +6532,7 @@ 
                     true
                 );
 
-                $counter += count($mediaQuestions[$questionId]) - 1 ;
+                $counter += count($mediaQuestions[$questionId]) - 1;
                 $before = count($questionList);
                 $wasMedia = true;
                 $nextValue += count($questionList);
@@ -6611,7 +6611,7 @@ 
                         // If it was already seen, then merge the previous with
                         // the current category
                         $oldQuestionList = $newCategoryList[$rootElement]['question_list'];
-                        $category['question_list'] = array_merge($oldQuestionList , $category['question_list']);
+                        $category['question_list'] = array_merge($oldQuestionList, $category['question_list']);
                         $newCategoryList[$rootElement] = $category;
                     }
                 }
@@ -6637,7 +6637,7 @@ 
 
                 if ($useRootAsCategoryTitle) {
                     if (isset($category['parent_info'])) {
-                        $categoryName  = $category['parent_info']['title'];
+                        $categoryName = $category['parent_info']['title'];
                     }
                 }
                 $html .= '<div class="row">';
@@ -6780,7 +6780,7 @@ 
         // end foreach()
 
         if ($this->type == ALL_ON_ONE_PAGE) {
-            $exercise_actions =  $this->show_button($questionId, $currentQuestion);
+            $exercise_actions = $this->show_button($questionId, $currentQuestion);
             echo Display::div($exercise_actions, array('class'=>'exercise_actions'));
         }
     }
@@ -6866,7 +6866,7 @@ 
 
             // Showing the question
 
-            $exercise_actions  = null;
+            $exercise_actions = null;
 
             echo '<a id="questionanchor'.$questionId.'"></a><br />';
             echo '<div id="question_div_'.$questionId.'" class="main_question '.$remind_highlight.'" >';
@@ -7142,7 +7142,7 @@ 
                         $header .= Display::tag('th', get_lang('Feedback'));
                     }
                     $s .= '<table class="data_table">';
-                    $s.= Display::tag('tr', $header, array('style' => 'text-align:left;'));
+                    $s .= Display::tag('tr', $header, array('style' => 'text-align:left;'));
                 }
             }
 
@@ -7242,7 +7242,7 @@ 
                             $s .= '<td>';
                             $s .= $comment;
                             $s .= '</td>';
-                            $s .='</tr>';
+                            $s .= '</tr>';
                         } else {
                             $s .= $answer_input;
                         }
@@ -7256,7 +7256,7 @@ 
                             }
                         }
 
-                        $s .='<tr>';
+                        $s .= '<tr>';
                         $s .= Display::tag('td', $answer);
 
                         if (!empty($quiz_question_options)) {
@@ -7283,7 +7283,7 @@ 
                             $s .= $comment;
                             $s .= '</td>';
                         }
-                        $s.='</tr>';
+                        $s .= '</tr>';
                     }
 
                 } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION) {
@@ -7312,16 +7312,16 @@ 
                     $answer_input .= '</label>';
 
                     if ($show_comment) {
-                        $s.= '<tr>';
+                        $s .= '<tr>';
                         $s .= '<td>';
-                        $s.= $answer_input;
+                        $s .= $answer_input;
                         $s .= '</td>';
                         $s .= '<td>';
                         $s .= $comment;
                         $s .= '</td>';
-                        $s.= '</tr>';
+                        $s .= '</tr>';
                     } else {
-                        $s.= $answer_input;
+                        $s .= $answer_input;
                     }
                 } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
                     $s .= '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
@@ -7334,7 +7334,7 @@ 
                         }
                     }
                     $answer = Security::remove_XSS($answer);
-                    $s .='<tr>';
+                    $s .= '<tr>';
                     $s .= Display::tag('td', $answer);
 
                     foreach ($objQuestionTmp->options as $key => $item) {
@@ -7358,7 +7358,7 @@ 
                         $s .= $comment;
                         $s .= '</td>';
                     }
-                    $s.='</tr>';
+                    $s .= '</tr>';
                 } elseif ($answerType == FILL_IN_BLANKS) {
                     list($answer) = explode('::', $answer);
 
@@ -7392,7 +7392,7 @@ 
                                     $value = str_replace('&nbsp;', '', trim($value[0]));
                                 }
                                 $correct_item = preg_quote($correct_item);
-                                $correct_item = api_preg_replace('|/|', '\/', $correct_item);   // to prevent error if there is a / in the text to find
+                                $correct_item = api_preg_replace('|/|', '\/', $correct_item); // to prevent error if there is a / in the text to find
                                 $answer = api_preg_replace('/'.$correct_item.'/', Display::input('text', "choice[$questionId][]", $value), $answer, 1);
                             }
                             $i++;
@@ -7449,7 +7449,7 @@ 
                         }
 
                         if (!empty($answerCorrect) && !empty($selectedValue)) {
-                            $s.= '<script>
+                            $s .= '<script>
                                 jsPlumb.ready(function() {
                                     jsPlumb.connect({
                                         source: "window_'.$windowId.'",
@@ -7464,14 +7464,14 @@ 
                         }
                         $s .= '</select></div></td>';
 
-                        $s.='<td width="45%" valign="top" >';
+                        $s .= '<td width="45%" valign="top" >';
 
                         if (isset($select_items[$lines_count])) {
-                            $s.= '<div id="window_'.$windowId.'_answer" class="window window_right_question">
+                            $s .= '<div id="window_'.$windowId.'_answer" class="window window_right_question">
                                     <b>'.$select_items[$lines_count]['letter'].'.</b> '.$select_items[$lines_count]['answer'].'
                                   </div>';
                         } else {
-                            $s.='&nbsp;';
+                            $s .= '&nbsp;';
                         }
 
                         $s .= '</td>';
@@ -7485,16 +7485,16 @@ 
                                 $s .= '<tr>
                                       <td colspan="2"></td>
                                       <td valign="top">';
-                                $s.='<b>'.$select_items[$lines_count]['letter'].'.</b>';
+                                $s .= '<b>'.$select_items[$lines_count]['letter'].'.</b>';
                                 $s .= $select_items[$lines_count]['answer'];
-                                $s.="</td>
+                                $s .= "</td>
                                 </tr>";
                                 $lines_count++;
                             } // end while()
                         }  // end if()
                         $matching_correct_answer++;
                     }
-                } elseif ($answerType ==  DRAGGABLE) {
+                } elseif ($answerType == DRAGGABLE) {
                     // matching type, showing suggestions and answers
                     // TODO: replace $answerId by $numAnswer
 
@@ -7536,7 +7536,7 @@ 
                         $s .= '</select>';
 
                         if (!empty($answerCorrect) && !empty($selectedValue)) {
-                            $s.= '<script>
+                            $s .= '<script>
                                 $(function() {
                                     deleteItem($("#'.$questionId.'_'.$selectedValue.'"), $("#drop_'.$windowId.'"));
                                 });
@@ -7544,11 +7544,11 @@ 
                         }
 
                         if (isset($select_items[$lines_count])) {
-                            $s.= '<div id="window_'.$windowId.'_answer" class="">
+                            $s .= '<div id="window_'.$windowId.'_answer" class="">
                                     <b>'.$select_items[$lines_count]['letter'].'.</b> '.$select_items[$lines_count]['answer'].'
                                   </div>';
                         } else {
-                            $s.='&nbsp;';
+                            $s .= '&nbsp;';
                         }
                         $lines_count++;
                         //if the left side of the "matching" has been completely
@@ -7557,7 +7557,7 @@ 
                         if (($lines_count - 1) == $num_suggestions) {
                             // if it remains answers to shown at the right side
                             while (isset($select_items[$lines_count])) {
-                                $s.='<b>'.$select_items[$lines_count]['letter'].'.</b>';
+                                $s .= '<b>'.$select_items[$lines_count]['letter'].'.</b>';
                                 $s .= $select_items[$lines_count]['answer'];
                                 $lines_count++;
                             }
@@ -7660,9 +7660,9 @@ 
 
             if (!$only_questions) {
                 if ($show_title) {
-                    $html .=  TestCategory::getCategoryNamesForQuestion($objQuestionTmp->id);
-                    $html .=  '<div class="question_title">'.$current_item.'. '.$questionName.'</div>';
-                    $html .=  $questionDescription;
+                    $html .= TestCategory::getCategoryNamesForQuestion($objQuestionTmp->id);
+                    $html .= '<div class="question_title">'.$current_item.'. '.$questionName.'</div>';
+                    $html .= $questionDescription;
                 } else {
                     $html .= '<div class="media">';
                     $html .= '<div class="pull-left">';
@@ -7678,11 +7678,11 @@ 
                     $html .= '</div>';
                 }
                 //@todo I need to the get the feedback type
-                $html .=  '<input type="hidden" name="hidden_hotspot_id" value="'.$questionId.'" />';
-                $html .=  '<table class="exercise_questions">
+                $html .= '<input type="hidden" name="hidden_hotspot_id" value="'.$questionId.'" />';
+                $html .= '<table class="exercise_questions">
                            <tr>
                             <td valign="top" colspan="2">';
-                $html .=  '</td></tr>';
+                $html .= '</td></tr>';
             }
 
             $canClick = isset($_GET['editQuestion']) ? '0' : (isset($_GET['modifyAnswers']) ? '0' : '1');