chamilo / chamilo-lms

main/inc/lib/extra_field_option.lib.php

Doc Comments +3 added lines, -3 removed lines

@@ -412,7 +412,7 @@ 
      * Gets an array of options for a specific field
      * @param int $field_id The field ID
      * @param bool $add_id_in_array Whether to add the row ID in the result
-     * @param null $ordered_by Extra ordering query bit
+     * @param null|string $ordered_by Extra ordering query bit
      * @return array The options if they exists. Otherwise return false
      */
     public function get_field_options_by_field($field_id, $add_id_in_array = false, $ordered_by = null)
@@ -782,8 +782,8 @@ 
     }
 
     /**
-     * @param $defaultDisplayText
-     * @return mixed|string
+     * @param string $defaultDisplayText
+     * @return string
      */
     public static function getLanguageVariable($defaultDisplayText)
     {

Spacing +2 added lines, -2 removed lines

@@ -216,7 +216,7 @@ 
 
                         foreach ($sub_options as $sub_option) {
                             if (!empty($sub_option)) {
-                                $new_params  = array(
+                                $new_params = array(
                                     'field_id' => $field_id,
                                     'option_value' => $sub_id,
                                     'display_text' => $sub_option,
@@ -660,7 +660,7 @@ 
         $form->addElement('hidden', 'field_id', $this->field_id);
 
         if ($action == 'edit') {
-            $translateUrl = api_get_path(WEB_CODE_PATH) . 'extrafield/translate.php?' . http_build_query([
+            $translateUrl = api_get_path(WEB_CODE_PATH).'extrafield/translate.php?'.http_build_query([
                 'extra_field_option' => $id
             ]);
             $translateButton = Display::toolbarButton(get_lang('TranslateThisTerm'), $translateUrl, 'language', 'link');

main/inc/lib/formvalidator/FormValidator.class.php

Doc Comments +1 added lines, -1 removed lines

@@ -954,7 +954,7 @@
     /**
      * This function has been created for avoiding changes directly within QuickForm class.
      * When we use it, the element is threated as 'required' to be dealt during validation.
-     * @param array $element The array of elements
+     * @param array $elements The array of elements
      * @param string $message The message displayed
      */
     public function add_multiple_required_rule($elements, $message)

Spacing +5 added lines, -5 removed lines

@@ -99,7 +99,7 @@ 
         $renderer->setHeaderTemplate('<legend>{header}</legend>');
 
         //Set required field template
-        $this->setRequiredNote('<span class="form_required">*</span> <small>' . get_lang('ThisFieldIsRequired') . '</small>');
+        $this->setRequiredNote('<span class="form_required">*</span> <small>'.get_lang('ThisFieldIsRequired').'</small>');
         $noteTemplate = <<<EOT
 	<div class="form-group">
 		<div class="col-sm-offset-2 col-sm-10">{requiredNote}</div>
@@ -902,8 +902,8 @@ 
         $this->with_progress_bar = true;
         $id = $this->getAttribute('id');
 
-        $this->updateAttributes("onsubmit=\"javascript: addProgress('" . $id . "')\"");
-        $this->addHtml('<script language="javascript" src="' . api_get_path(WEB_LIBRARY_PATH) . 'javascript/upload.js" type="text/javascript"></script>');
+        $this->updateAttributes("onsubmit=\"javascript: addProgress('".$id."')\"");
+        $this->addHtml('<script language="javascript" src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/upload.js" type="text/javascript"></script>');
     }
 
     /**
@@ -1402,7 +1402,7 @@ 
                             .prop('href', file.url);
                         $(data.context.children()[index]).parent().wrap(link);
                         
-                        var successMessage = $('<div class=\"col-sm-3\">').html($('<span class=\"alert alert-success\"/>').text('" . addslashes(get_lang('UplUploadSucceeded')) . "'));
+                        var successMessage = $('<div class=\"col-sm-3\">').html($('<span class=\"alert alert-success\"/>').text('" . addslashes(get_lang('UplUploadSucceeded'))."'));
                         $(data.context.children()[index]).parent().append(successMessage);
                     } else if (file.error) {
                         var error = $('<div class=\"col-sm-3\">').html($('<span class=\"alert alert-danger\"/>').text(file.error));
@@ -1411,7 +1411,7 @@ 
                 });
             }).on('fileuploadfail', function (e, data) {
                 $.each(data.files, function (index) {
-                    var failedMessage = '" . addslashes(get_lang('UplUploadFailed')) . "';
+                    var failedMessage = '" . addslashes(get_lang('UplUploadFailed'))."';
                     var error = $('<div class=\"col-sm-3\">').html($('<span class=\"alert alert-danger\"/>').text(failedMessage));
                     $(data.context.children()[index]).parent().append(error);
                 });

main/course_home/3column.php

Spacing +12 added lines, -12 removed lines

@@ -126,14 +126,14 @@ 
         "</td>\n".
         "<td>\n".
         "<select name=\"image\">\n".
-        "<option selected>". $image. "</option>\n";
+        "<option selected>".$image."</option>\n";
 
     if ($dir = @opendir($chemin)) {
         while ($file = readdir($dir)) {
             if ($file == '..' || $file == '.') {
                 unset($file);
             }
-            $content .= "<option>". $file. "</option>\n";
+            $content .= "<option>".$file."</option>\n";
         }
         closedir($dir);
     }
@@ -142,15 +142,15 @@ 
         "</td>\n".
         "</tr>\n".
         "<tr>\n".
-        "<td>". get_lang('NameOfTheLink'). " : </td>\n".
-        "<td><input type=\"text\" name=\"name\" value=\"". $name. "\"></td>\n".
+        "<td>".get_lang('NameOfTheLink')." : </td>\n".
+        "<td><input type=\"text\" name=\"name\" value=\"".$name."\"></td>\n".
         "</tr>\n".
         "<tr>\n".
         "<td>Lien :</td>\n".
-        "<td><input type=\"text\" name=\"link\" value=\"". $link. "\"></td>\n".
+        "<td><input type=\"text\" name=\"link\" value=\"".$link."\"></td>\n".
         "</tr>\n".
         "<tr>\n".
-        "<td colspan=\"2\"><input type=\"submit\" name=\"submit\" value=\"". get_lang('Ok'). "\"></td>\n".
+        "<td colspan=\"2\"><input type=\"submit\" name=\"submit\" value=\"".get_lang('Ok')."\"></td>\n".
         "</tr>\n".
         "</form>\n".
         "</table>\n".
@@ -203,21 +203,21 @@ 
         "<tr><td colspan=\"6\"><font color=\"#F66105\">\n".get_lang('CourseAdminOnly')."</font>
         </td></tr>\n";
     $content .= "<tr>\n<td colspan=\"6\">";
-    $content .=CourseHome::show_tool_3column('courseAdmin');
+    $content .= CourseHome::show_tool_3column('courseAdmin');
     $content .= "</td>\n</tr>\n";
 }
 
 /*	TOOLS FOR PLATFORM ADMIN ONLY */
 if (api_is_platform_admin() && api_is_allowed_to_edit(null, true) && !api_is_coach()) {
-    $content .=  "<tr>"."<td colspan=\"6\">".
+    $content .= "<tr>"."<td colspan=\"6\">".
         "<hr noshade size=\"1\" />".
         "</td>"."</tr>\n".
         "<tr>\n"."<td colspan=\"6\">\n".
-        "<font color=\"#F66105\" >". get_lang('PlatformAdminOnly'). "</font>\n".
+        "<font color=\"#F66105\" >".get_lang('PlatformAdminOnly')."</font>\n".
         "</td>\n"."</tr>\n";
-    $content .=  "<tr>\n<td colspan=\"6\">";
+    $content .= "<tr>\n<td colspan=\"6\">";
     $content .= CourseHome::show_tool_3column('platformAdmin');
-    $content .=  "</td>\n</tr>\n";
+    $content .= "</td>\n</tr>\n";
 }
 
-$content .=  "</table>\n";
+$content .= "</table>\n";

main/course_home/2column.php

Spacing +5 added lines, -5 removed lines

@@ -56,7 +56,7 @@ 
     // Show message to confirm that a tool it to be hidden from available tools
     // visibility 0,1->2
     if (!empty($_GET['askDelete'])) {
-        $content .='<div id="toolhide">'.get_lang('DelLk').'<br />&nbsp;&nbsp;&nbsp;
+        $content .= '<div id="toolhide">'.get_lang('DelLk').'<br />&nbsp;&nbsp;&nbsp;
             <a href="'.api_get_self().'">'.get_lang('No').'</a>&nbsp;|&nbsp;
             <a href="'.api_get_self().'?delete=yes&id='.intval($_GET['id']).'">'.get_lang('Yes').'</a>
         </div>';
@@ -92,7 +92,7 @@ 
 
     /*	INACTIVE TOOLS - HIDDEN (GREY) LINKS */
 
-    $content .=	"<tr><td colspan=\"4\"><hr style='color:\"#4171B5\"' noshade=\"noshade\" size=\"1\" /></td></tr>\n".
+    $content .= "<tr><td colspan=\"4\"><hr style='color:\"#4171B5\"' noshade=\"noshade\" size=\"1\" /></td></tr>\n".
             "<tr>\n".
             "<td colspan=\"4\">\n".
             "<div style=\"margin-bottom: 10px;\"><font color=\"#808080\">\n".get_lang('InLnk')."</font></div>".
@@ -101,14 +101,14 @@ 
 
     $content .= CourseHome::show_tool_2column(TOOL_PUBLIC_BUT_HIDDEN);
 
-    $content .=	"</table>";
-    $content .=	"</div> ";
+    $content .= "</table>";
+    $content .= "</div> ";
 }
 
 /*	Tools for platform admin only */
 
 if (api_is_platform_admin() && api_is_allowed_to_edit(null, true) && !api_is_coach()) {
-    $content .='<div class="platformadminview">
+    $content .= '<div class="platformadminview">
     <span class="viewcaption">'.get_lang('PlatformAdminOnly').'</span>
     <table width="100%">
         '.CourseHome::show_tool_2column(TOOL_PLATFORM_ADMIN).'

main/inc/lib/app_view.php

Spacing +4 added lines, -4 removed lines

@@ -16,7 +16,7 @@ 
      * @param string  tool name (optional)
      * @param string $template_path
      */
-    public function __construct($toolname = '', $template_path=null)
+    public function __construct($toolname = '', $template_path = null)
     {
         if (!empty($toolname)) {
             if (isset($template_path)) {
@@ -27,7 +27,7 @@ 
             if (is_dir($path)) {
                 $this->tool_path = $path;
             } else {
-                throw new Exception('View::__construct() $path directory does not exist ' . $path);
+                throw new Exception('View::__construct() $path directory does not exist '.$path);
             }
         }
     }
@@ -39,7 +39,7 @@ 
     public function set_data($data)
     {
         if (!is_array($data)) {
-            throw new Exception('View::set_data() $data must to be an array, you have sent a' . gettype( $data ));
+            throw new Exception('View::set_data() $data must to be an array, you have sent a'.gettype($data));
         }
         $this->data = $data;
     }
@@ -49,7 +49,7 @@ 
      * @param string layout view
      * @param string $layout
      */
-    public function set_layout( $layout )
+    public function set_layout($layout)
     {
         $this->layout = $layout;
     }

main/inc/lib/auth.lib.php

Spacing +48 added lines, -48 removed lines

@@ -48,12 +48,12 @@ 
         $special_course_list = array();
         if (Database::num_rows($result) > 0) {
             while ($result_row = Database::fetch_array($result)) {
-                $special_course_list[] = '"' . $result_row['item_id'] . '"';
+                $special_course_list[] = '"'.$result_row['item_id'].'"';
             }
         }
         $without_special_courses = '';
         if (!empty($special_course_list)) {
-            $without_special_courses = ' AND course.id NOT IN (' . implode(',', $special_course_list) . ')';
+            $without_special_courses = ' AND course.id NOT IN ('.implode(',', $special_course_list).')';
         }
 
         // Secondly we select the courses that are in a category (user_course_cat<>0) and sort these according to the sort of the category
@@ -73,8 +73,8 @@ 
                 FROM $TABLECOURS course, $TABLECOURSUSER  course_rel_user
                 WHERE
                     course.id = course_rel_user.c_id AND
-                    course_rel_user.relation_type<>" . COURSE_RELATION_TYPE_RRHH . " AND
-                    course_rel_user.user_id = '" . $user_id . "' $without_special_courses
+                    course_rel_user.relation_type<>".COURSE_RELATION_TYPE_RRHH." AND
+                    course_rel_user.user_id = '" . $user_id."' $without_special_courses
                 ORDER BY course_rel_user.sort ASC";
         $result = Database::query($sql);
         $courses = array();
@@ -106,7 +106,7 @@ 
     {
         $user_id = api_get_user_id();
         $table_category = Database::get_main_table(TABLE_USER_COURSE_CATEGORY);
-        $sql = "SELECT * FROM " . $table_category . "
+        $sql = "SELECT * FROM ".$table_category."
                 WHERE user_id=$user_id
                 ORDER BY sort ASC";
         $result = Database::query($sql);
@@ -148,13 +148,13 @@ 
         $special_course_list = array();
         if (Database::num_rows($result) > 0) {
             while ($result_row = Database::fetch_array($result)) {
-                $special_course_list[] = '"' . $result_row['item_id'] . '"';
+                $special_course_list[] = '"'.$result_row['item_id'].'"';
             }
         }
 
         $without_special_courses = '';
         if (!empty($special_course_list)) {
-            $without_special_courses = ' AND course.id NOT IN (' . implode(',', $special_course_list) . ')';
+            $without_special_courses = ' AND course.id NOT IN ('.implode(',', $special_course_list).')';
         }
 
         $sql = "SELECT
@@ -165,8 +165,8 @@ 
                 $TABLECOURSUSER  course_rel_user
                 WHERE
                     course.id = course_rel_user.c_id AND
-                    course_rel_user.user_id = '" . $user_id . "' AND
-                    course_rel_user.relation_type <> " . COURSE_RELATION_TYPE_RRHH . "
+                    course_rel_user.user_id = '".$user_id."' AND
+                    course_rel_user.relation_type <> " . COURSE_RELATION_TYPE_RRHH."
                     $without_special_courses
                 ORDER BY course_rel_user.user_course_cat, course_rel_user.sort ASC";
         $result = Database::query($sql);
@@ -194,11 +194,11 @@ 
         $TABLECOURSUSER = Database::get_main_table(TABLE_MAIN_COURSE_USER);
         $max_sort_value = api_max_sort_value($newcategory, $current_user);
         $sql = "UPDATE $TABLECOURSUSER SET
-                    user_course_cat='" . $newcategory . "',
-                    sort='" . ($max_sort_value + 1) . "'
+                    user_course_cat='".$newcategory."',
+                    sort='" . ($max_sort_value + 1)."'
                 WHERE
-                    c_id ='" . $courseId . "' AND
-                    user_id='" . $current_user . "' AND
+                    c_id ='" . $courseId."' AND
+                    user_id='" . $current_user."' AND
                     relation_type<>" . COURSE_RELATION_TYPE_RRHH;
         $resultQuery = Database::query($sql);
 
@@ -257,18 +257,18 @@ 
             $targetCourseId = $targetCourseInfo['real_id'];
 
             $sql = "UPDATE $table
-                    SET sort='" . $target_course['sort'] . "'
+                    SET sort='".$target_course['sort']."'
                     WHERE
-                        c_id = '" . $courseId . "' AND
-                        user_id = '" . $current_user_id . "' AND
+                        c_id = '" . $courseId."' AND
+                        user_id = '" . $current_user_id."' AND
                         relation_type<>" . COURSE_RELATION_TYPE_RRHH;
 
             $result1 = Database::query($sql);
 
-            $sql = "UPDATE $table SET sort='" . $source_course['sort'] . "'
+            $sql = "UPDATE $table SET sort='".$source_course['sort']."'
                     WHERE
-                        c_id ='" . $targetCourseId . "' AND
-                        user_id='" . $current_user_id . "' AND
+                        c_id ='" . $targetCourseId."' AND
+                        user_id='" . $current_user_id."' AND
                         relation_type<>" . COURSE_RELATION_TYPE_RRHH;
 
             $result2 = Database::query($sql);
@@ -312,10 +312,10 @@ 
         }
 
         if (count($target_category) > 0 && count($source_category) > 0) {
-            $sql_update1 = "UPDATE $table_user_defined_category SET sort='" . Database::escape_string($target_category['sort']) . "'
-                            WHERE id='" . intval($source_category['id']) . "' AND user_id='" . $current_user_id . "'";
-            $sql_update2 = "UPDATE $table_user_defined_category SET sort='" . Database::escape_string($source_category['sort']) . "'
-                            WHERE id='" . intval($target_category['id']) . "' AND user_id='" . $current_user_id . "'";
+            $sql_update1 = "UPDATE $table_user_defined_category SET sort='".Database::escape_string($target_category['sort'])."'
+                            WHERE id='" . intval($source_category['id'])."' AND user_id='".$current_user_id."'";
+            $sql_update2 = "UPDATE $table_user_defined_category SET sort='".Database::escape_string($source_category['sort'])."'
+                            WHERE id='" . intval($target_category['id'])."' AND user_id='".$current_user_id."'";
 
             $result1 = Database::query($sql_update2);
             $result2 = Database::query($sql_update1);
@@ -334,8 +334,8 @@ 
     {
         $current_user_id = api_get_user_id();
         $table_category = Database::get_main_table(TABLE_USER_COURSE_CATEGORY);
-        $sql = "SELECT * FROM " . $table_category . "
-                WHERE user_id='" . $current_user_id . "'
+        $sql = "SELECT * FROM ".$table_category."
+                WHERE user_id='" . $current_user_id."'
                 ORDER BY sort ASC";
         $result = Database::query($sql);
         while ($row = Database::fetch_array($result)) {
@@ -358,8 +358,8 @@ 
         $result = false;
         $tucc = Database::get_main_table(TABLE_USER_COURSE_CATEGORY);
         $sql = "UPDATE $tucc
-                SET title='" . api_htmlentities($title, ENT_QUOTES, api_get_system_encoding()) . "'
-                WHERE id='" . $category_id . "'";
+                SET title='".api_htmlentities($title, ENT_QUOTES, api_get_system_encoding())."'
+                WHERE id='" . $category_id."'";
         $resultQuery = Database::query($sql);
         if (Database::affected_rows($resultQuery)) {
             $result = true;
@@ -381,8 +381,8 @@ 
         $result = false;
         $sql = "DELETE FROM $tucc
                 WHERE 
-                    id='" . $category_id . "' AND 
-                    user_id='" . $current_user_id . "'";
+                    id='".$category_id."' AND 
+                    user_id='" . $current_user_id."'";
         $resultQuery = Database::query($sql);
         if (Database::affected_rows($resultQuery)) {
             $result = true;
@@ -390,9 +390,9 @@ 
         $sql = "UPDATE $TABLECOURSUSER
                 SET user_course_cat='0'
                 WHERE
-                    user_course_cat='" . $category_id . "' AND
-                    user_id='" . $current_user_id . "' AND
-                    relation_type<>" . COURSE_RELATION_TYPE_RRHH . " ";
+                    user_course_cat='".$category_id."' AND
+                    user_id='" . $current_user_id."' AND
+                    relation_type<>" . COURSE_RELATION_TYPE_RRHH." ";
         Database::query($sql);
 
         return $result;
@@ -425,20 +425,20 @@ 
         if (Database::num_rows($special_course_result) > 0) {
             $special_course_list = array();
             while ($result_row = Database::fetch_array($special_course_result)) {
-                $special_course_list[] = '"' . $result_row['item_id'] . '"';
+                $special_course_list[] = '"'.$result_row['item_id'].'"';
             }
         }
         $without_special_courses = '';
         if (!empty($special_course_list)) {
-            $without_special_courses = ' AND course.code NOT IN (' . implode(',', $special_course_list) . ')';
+            $without_special_courses = ' AND course.code NOT IN ('.implode(',', $special_course_list).')';
         }
 
         $search_term_safe = Database::escape_string($search_term);
         $sql_find = "SELECT * FROM $courseTable
                     WHERE (
-                            code LIKE '%" . $search_term_safe . "%' OR
-                            title LIKE '%" . $search_term_safe . "%' OR
-                            tutor_name LIKE '%" . $search_term_safe . "%'
+                            code LIKE '%".$search_term_safe."%' OR
+                            title LIKE '%" . $search_term_safe."%' OR
+                            tutor_name LIKE '%" . $search_term_safe."%'
                         )
                         $without_special_courses
                     ORDER BY title, visual_code ASC
@@ -455,9 +455,9 @@ 
                             ON (url_rel_course.c_id = course.id)
                             WHERE
                                 access_url_id = $url_access_id AND (
-                                    code LIKE '%" . $search_term_safe . "%' OR
-                                    title LIKE '%" . $search_term_safe . "%' OR
-                                    tutor_name LIKE '%" . $search_term_safe . "%'
+                                    code LIKE '%".$search_term_safe."%' OR
+                                    title LIKE '%" . $search_term_safe."%' OR
+                                    tutor_name LIKE '%" . $search_term_safe."%'
                                 )
                                 $without_special_courses
                             ORDER BY title, visual_code ASC
@@ -518,8 +518,8 @@ 
         // (s)he can only delete the course
         $sql = "SELECT * FROM $tbl_course_user
                 WHERE
-                    user_id='" . $current_user_id . "' AND
-                    c_id ='" . $courseId . "' AND
+                    user_id='".$current_user_id."' AND
+                    c_id ='" . $courseId."' AND
                     status='1' ";
         $result_check = Database::query($sql);
         $number_of_rows = Database::num_rows($result_check);
@@ -548,7 +548,7 @@ 
 
         // step 1: we determine the max value of the user defined course categories
         $sql = "SELECT sort FROM $tucc 
-                WHERE user_id='" . $current_user_id . "' 
+                WHERE user_id='".$current_user_id."' 
                 ORDER BY sort DESC";
         $rs_sort = Database::query($sql);
         $maxsort = Database::fetch_array($rs_sort);
@@ -557,13 +557,13 @@ 
         // step 2: we check if there is already a category with this name, if not we store it, else we give an error.
         $sql = "SELECT * FROM $tucc 
                 WHERE 
-                    user_id='" . $current_user_id . "' AND 
-                    title='" . $category_title . "'
+                    user_id='".$current_user_id."' AND 
+                    title='" . $category_title."'
                 ORDER BY sort DESC";
         $rs = Database::query($sql);
         if (Database::num_rows($rs) == 0) {
             $sql = "INSERT INTO $tucc (user_id, title,sort)
-                    VALUES ('" . $current_user_id . "', '" . api_htmlentities($category_title, ENT_QUOTES, api_get_system_encoding()) . "', '" . $nextsort . "')";
+                    VALUES ('".$current_user_id."', '".api_htmlentities($category_title, ENT_QUOTES, api_get_system_encoding())."', '".$nextsort."')";
             $resultQuery = Database::query($sql);
             if (Database::affected_rows($resultQuery)) {
                 $result = true;
@@ -647,10 +647,10 @@ 
             if (isset($_POST['course_registration_code']) && $_POST['course_registration_code'] != $all_course_information['registration_code']) {
                 return false;
             }
-            $message = get_lang('CourseRequiresPassword') . '<br />';
+            $message = get_lang('CourseRequiresPassword').'<br />';
             $message .= $all_course_information['title'].' ('.$all_course_information['visual_code'].') ';
 
-            $action  = api_get_path(WEB_CODE_PATH) . "auth/courses.php?action=subscribe_user_with_password&sec_token=" . $_SESSION['sec_token'];
+            $action  = api_get_path(WEB_CODE_PATH)."auth/courses.php?action=subscribe_user_with_password&sec_token=".$_SESSION['sec_token'];
             $form = new FormValidator('subscribe_user_with_password', 'post', $action);
             $form->addElement('hidden', 'sec_token', $_SESSION['sec_token']);
             $form->addElement('hidden', 'subscribe_user_with_password', $all_course_information['code']);

Doc Comments +8 added lines

@@ -183,6 +183,7 @@ 
      * (moving a course to a different course category)
      * @param  int    $courseId
      * @param  int       Category id
+     * @param integer $newcategory
      * @return bool      True if it success
      */
     public function updateCourseCategory($courseId, $newcategory)
@@ -215,6 +216,9 @@ 
      * @param   string    Direction (up/down)
      * @param   string    Course code
      * @param   int       Category id
+     * @param string $direction
+     * @param string $course2move
+     * @param integer $category
      * @return  bool      True if it success
      */
     public function move_course($direction, $course2move, $category)
@@ -285,6 +289,8 @@ 
      * Moves the course one place up or down
      * @param string    Direction up/down
      * @param string    Category id
+     * @param string $direction
+     * @param integer $category2move
      * @return bool     True If it success
      */
     public function move_category($direction, $category2move)
@@ -348,6 +354,8 @@ 
      * Updates the user course category in the chamilo_user database
      * @param   string  Category title
      * @param   int     Category id
+     * @param string $title
+     * @param integer $category_id
      * @return  bool    True if it success
      */
     public function store_edit_course_category($title, $category_id)

main/inc/lib/CourseChatUtils.php

Doc Comments +2 added lines, -2 removed lines

@@ -1415,7 +1415,7 @@ 
 
     /**
      * Get the emoji list to include in chat
-     * @return array
+     * @return string[]
      */
     public static function getEmojisToInclude()
     {
@@ -1738,7 +1738,7 @@ 
 
     /**
      * Get the number of users connected in chat
-     * @return mixed
+     * @return integer
      */
     public function countUsersOnline()
     {

Spacing +65 added lines, -65 removed lines

@@ -62,7 +62,7 @@ 
             return '';
         }
 
-        Emojione\Emojione::$imagePathPNG = api_get_path(WEB_LIBRARY_PATH) . 'javascript/emojione/png/';
+        Emojione\Emojione::$imagePathPNG = api_get_path(WEB_LIBRARY_PATH).'javascript/emojione/png/';
         Emojione\Emojione::$ascii = true;
 
         $message = trim($message);
@@ -95,15 +95,15 @@ 
         $user = $em->find('ChamiloUserBundle:User', $this->userId);
         $courseInfo = api_get_course_info_by_id($this->courseId);
         $isMaster = (bool) api_is_course_admin();
-        $document_path = api_get_path(SYS_COURSE_PATH) . $courseInfo['path'] . '/document';
+        $document_path = api_get_path(SYS_COURSE_PATH).$courseInfo['path'].'/document';
         $basepath_chat = '/chat_files';
 
         if (!$this->groupId) {
             $group_info = GroupManager::get_group_properties($this->groupId);
-            $basepath_chat = $group_info['directory'] . '/chat_files';
+            $basepath_chat = $group_info['directory'].'/chat_files';
         }
 
-        $chat_path = $document_path . $basepath_chat . '/';
+        $chat_path = $document_path.$basepath_chat.'/';
 
         if (!is_dir($chat_path)) {
             if (is_file($chat_path)) {
@@ -113,25 +113,25 @@ 
 
         $date_now = date('Y-m-d');
         $timeNow = date('d/m/y H:i:s');
-        $basename_chat = 'messages-' . $date_now;
+        $basename_chat = 'messages-'.$date_now;
 
         if ($this->groupId && !$friendId) {
-            $basename_chat = 'messages-' . $date_now . '_gid-' . $this->groupId;
+            $basename_chat = 'messages-'.$date_now.'_gid-'.$this->groupId;
         } elseif ($this->sessionId && !$friendId) {
-            $basename_chat = 'messages-' . $date_now . '_sid-' . $this->sessionId;
+            $basename_chat = 'messages-'.$date_now.'_sid-'.$this->sessionId;
         } elseif ($friendId) {
             if ($this->userId < $friendId) {
-                $basename_chat = 'messages-' . $date_now . '_uid-' . $this->userId . '-' . $friendId;
+                $basename_chat = 'messages-'.$date_now.'_uid-'.$this->userId.'-'.$friendId;
             } else {
-                $basename_chat = 'messages-' . $date_now . '_uid-' . $friendId . '-' . $this->userId;
+                $basename_chat = 'messages-'.$date_now.'_uid-'.$friendId.'-'.$this->userId;
             }
         }
 
         $message = self::prepareMessage($message);
 
-        $fileTitle = $basename_chat . '.log.html';
-        $filePath = $basepath_chat . '/' . $fileTitle;
-        $absoluteFilePath = $chat_path . $fileTitle;
+        $fileTitle = $basename_chat.'.log.html';
+        $filePath = $basepath_chat.'/'.$fileTitle;
+        $absoluteFilePath = $chat_path.$fileTitle;
 
         if (!file_exists($absoluteFilePath)) {
             $doc_id = add_document($courseInfo, $filePath, 'file', 0, $fileTitle);
@@ -164,23 +164,23 @@ 
             $fileContent = '
                 <div class="message-teacher">
                     <div class="content-message">
-                        <div class="chat-message-block-name">' . $user->getCompleteName() . '</div>
-                        <div class="chat-message-block-content">' . $message . '</div>
-                        <div class="message-date">' . $timeNow . '</div>
+                        <div class="chat-message-block-name">' . $user->getCompleteName().'</div>
+                        <div class="chat-message-block-content">' . $message.'</div>
+                        <div class="message-date">' . $timeNow.'</div>
                     </div>
                     <div class="icon-message"></div>
-                    <img class="chat-image" src="' . $userPhoto . '">
+                    <img class="chat-image" src="' . $userPhoto.'">
                 </div>
             ';
         } else {
             $fileContent = '
                 <div class="message-student">
-                    <img class="chat-image" src="' . $userPhoto . '">
+                    <img class="chat-image" src="' . $userPhoto.'">
                     <div class="icon-message"></div>
                     <div class="content-message">
-                        <div class="chat-message-block-name">' . $user->getCompleteName() . '</div>
-                        <div class="chat-message-block-content">' . $message . '</div>
-                        <div class="message-date">' . $timeNow . '</div>
+                        <div class="chat-message-block-name">' . $user->getCompleteName().'</div>
+                        <div class="chat-message-block-content">' . $message.'</div>
+                        <div class="message-date">' . $timeNow.'</div>
                     </div>
                 </div>
             ';
@@ -275,9 +275,9 @@ 
         $extraCondition = null;
 
         if ($this->groupId) {
-            $extraCondition = 'AND ccc.toGroupId = ' . intval($this->groupId);
+            $extraCondition = 'AND ccc.toGroupId = '.intval($this->groupId);
         } else {
-            $extraCondition = 'AND ccc.sessionId = ' . intval($this->sessionId);
+            $extraCondition = 'AND ccc.sessionId = '.intval($this->sessionId);
         }
 
         $currentTime = new DateTime(api_get_utc_datetime(), new DateTimeZone('UTC'));
@@ -1413,7 +1413,7 @@ 
     {
         return [
             ':bowtie:',
-            ':smile:'|
+            ':smile:' |
             ':laughing:',
             ':blush:',
             ':smiley:',
@@ -1487,17 +1487,17 @@ 
     {
         $date = date('Y-m-d');
 
-        $base = 'messages-' . $date . '.log.html';
+        $base = 'messages-'.$date.'.log.html';
 
         if ($this->groupId && !$friendId) {
-            $base = 'messages-' . $date . '_gid-' . $this->groupId . '.log.html';
+            $base = 'messages-'.$date.'_gid-'.$this->groupId.'.log.html';
         } elseif ($this->sessionId && !$friendId) {
-            $base = 'messages-' . $date . '_sid-' . $this->sessionId . '.log.html';
+            $base = 'messages-'.$date.'_sid-'.$this->sessionId.'.log.html';
         } elseif ($friendId) {
             if ($this->userId < $friendId) {
-                $base = 'messages-' . $date . '_uid-' . $this->userId . '-' . $friendId . '.log.html';
+                $base = 'messages-'.$date.'_uid-'.$this->userId.'-'.$friendId.'.log.html';
             } else {
-                $base = 'messages-' . $date . '_uid-' . $friendId . '-' . $this->userId . '.log.html';
+                $base = 'messages-'.$date.'_uid-'.$friendId.'-'.$this->userId.'.log.html';
             }
         }
 
@@ -1506,16 +1506,16 @@ 
         }
 
         $courseInfo = api_get_course_info_by_id($this->courseId);
-        $document_path = api_get_path(SYS_COURSE_PATH) . $courseInfo['path'] . '/document';
+        $document_path = api_get_path(SYS_COURSE_PATH).$courseInfo['path'].'/document';
 
-        $chatPath = $document_path . '/chat_files/';
+        $chatPath = $document_path.'/chat_files/';
 
         if ($this->groupId) {
             $group_info = GroupManager::get_group_properties($this->groupId);
-            $chatPath = $document_path . $group_info['directory'] . '/chat_files/';
+            $chatPath = $document_path.$group_info['directory'].'/chat_files/';
         }
 
-        return $chatPath . $base;
+        return $chatPath.$base;
     }
 
     /**
@@ -1528,16 +1528,16 @@ 
     {
         $courseInfo = api_get_course_info_by_id($this->courseId);
         $date_now = date('Y-m-d');
-        $isMaster = (bool)api_is_course_admin();
+        $isMaster = (bool) api_is_course_admin();
         $basepath_chat = '/chat_files';
-        $document_path = api_get_path(SYS_COURSE_PATH) . $courseInfo['path'] . '/document';
+        $document_path = api_get_path(SYS_COURSE_PATH).$courseInfo['path'].'/document';
 
         if ($this->groupId) {
             $group_info = GroupManager:: get_group_properties($this->groupId);
-            $basepath_chat = $group_info['directory'] . '/chat_files';
+            $basepath_chat = $group_info['directory'].'/chat_files';
         }
 
-        $chat_path = $document_path . $basepath_chat . '/';
+        $chat_path = $document_path.$basepath_chat.'/';
 
         if (!is_dir($chat_path)) {
             if (is_file($chat_path)) {
@@ -1564,24 +1564,24 @@ 
             }
         }
 
-        $filename_chat = 'messages-' . $date_now . '.log.html';
+        $filename_chat = 'messages-'.$date_now.'.log.html';
 
         if ($this->groupId && !$friendId) {
-            $filename_chat = 'messages-' . $date_now . '_gid-' . $this->groupId . '.log.html';
+            $filename_chat = 'messages-'.$date_now.'_gid-'.$this->groupId.'.log.html';
         } else if ($this->sessionId && !$friendId) {
-            $filename_chat = 'messages-' . $date_now . '_sid-' . $this->sessionId . '.log.html';
+            $filename_chat = 'messages-'.$date_now.'_sid-'.$this->sessionId.'.log.html';
         } elseif ($friendId) {
             if ($this->userId < $friendId) {
-                $filename_chat = 'messages-' . $date_now . '_uid-' . $this->userId . '-' . $friendId . '.log.html';
+                $filename_chat = 'messages-'.$date_now.'_uid-'.$this->userId.'-'.$friendId.'.log.html';
             } else {
-                $filename_chat = 'messages-' . $date_now . '_uid-' . $friendId . '-' . $this->userId . '.log.html';
+                $filename_chat = 'messages-'.$date_now.'_uid-'.$friendId.'-'.$this->userId.'.log.html';
             }
         }
 
-        if (!file_exists($chat_path . $filename_chat)) {
-            @fclose(fopen($chat_path . $filename_chat, 'w'));
+        if (!file_exists($chat_path.$filename_chat)) {
+            @fclose(fopen($chat_path.$filename_chat, 'w'));
             if (!api_is_anonymous()) {
-                $doc_id = add_document($courseInfo, $basepath_chat . '/' . $filename_chat, 'file', 0, $filename_chat);
+                $doc_id = add_document($courseInfo, $basepath_chat.'/'.$filename_chat, 'file', 0, $filename_chat);
                 api_item_property_update(
                     $courseInfo,
                     TOOL_DOCUMENT,
@@ -1610,17 +1610,17 @@ 
             }
         }
 
-        $basename_chat = 'messages-' . $date_now;
+        $basename_chat = 'messages-'.$date_now;
 
         if ($this->groupId && !$friendId) {
-            $basename_chat = 'messages-' . $date_now . '_gid-' . $this->groupId;
+            $basename_chat = 'messages-'.$date_now.'_gid-'.$this->groupId;
         } else if ($this->sessionId && !$friendId) {
-            $basename_chat = 'messages-' . $date_now . '_sid-' . $this->sessionId;
+            $basename_chat = 'messages-'.$date_now.'_sid-'.$this->sessionId;
         } elseif ($friendId) {
             if ($this->userId < $friendId) {
-                $basename_chat = 'messages-' . $date_now . '_uid-' . $this->userId . '-' . $friendId;
+                $basename_chat = 'messages-'.$date_now.'_uid-'.$this->userId.'-'.$friendId;
             } else {
-                $basename_chat = 'messages-' . $date_now . '_uid-' . $friendId . '-' . $this->userId;
+                $basename_chat = 'messages-'.$date_now.'_uid-'.$friendId.'-'.$this->userId;
             }
         }
 
@@ -1628,19 +1628,19 @@ 
 
             $i = 1;
 
-            while (file_exists($chat_path . $basename_chat . '-' . $i . '.log.html')) {
+            while (file_exists($chat_path.$basename_chat.'-'.$i.'.log.html')) {
                 $i++;
             }
 
-            @rename($chat_path . $basename_chat . '.log.html', $chat_path . $basename_chat . '-' . $i . '.log.html');
-            @fclose(fopen($chat_path . $basename_chat . '.log.html', 'w'));
+            @rename($chat_path.$basename_chat.'.log.html', $chat_path.$basename_chat.'-'.$i.'.log.html');
+            @fclose(fopen($chat_path.$basename_chat.'.log.html', 'w'));
 
             $doc_id = add_document(
                 $courseInfo,
-                $basepath_chat . '/' . $basename_chat . '-' . $i . '.log.html',
+                $basepath_chat.'/'.$basename_chat.'-'.$i.'.log.html',
                 'file',
-                filesize($chat_path . $basename_chat . '-' . $i . '.log.html'),
-                $basename_chat . '-' . $i . '.log.html'
+                filesize($chat_path.$basename_chat.'-'.$i.'.log.html'),
+                $basename_chat.'-'.$i.'.log.html'
             );
 
             api_item_property_update(
@@ -1671,7 +1671,7 @@ 
 
             $doc_id = DocumentManager::get_document_id(
                 $courseInfo,
-                $basepath_chat . '/' . $basename_chat . '.log.html'
+                $basepath_chat.'/'.$basename_chat.'.log.html'
             );
 
             update_existing_document($courseInfo, $doc_id, 0);
@@ -1680,8 +1680,8 @@ 
         $remove = 0;
         $content = array();
 
-        if (file_exists($chat_path . $basename_chat . '.log.html')) {
-            $content = file($chat_path . $basename_chat . '.log.html');
+        if (file_exists($chat_path.$basename_chat.'.log.html')) {
+            $content = file($chat_path.$basename_chat.'.log.html');
             $nbr_lines = sizeof($content);
             $remove = $nbr_lines - 100;
         }
@@ -1694,7 +1694,7 @@ 
 
         if (isset($_GET['origin']) && $_GET['origin'] == 'whoisonline') {
             //the caller
-            $content[0] = get_lang('CallSent') . '<br />' . $content[0];
+            $content[0] = get_lang('CallSent').'<br />'.$content[0];
         }
         if (isset($_GET['origin']) && $_GET['origin'] == 'whoisonlinejoin') {
             //the joiner (we have to delete the chat request to him when he joins the chat)
@@ -1719,7 +1719,7 @@ 
             $history .= '
                 <div id="clear-chat">
                     <button type="button" id="chat-reset" class="btn btn-danger btn-sm">
-                        ' . get_lang('ClearList') . '
+                        ' . get_lang('ClearList').'
                     </button>
                 </div>
             ';
@@ -1740,9 +1740,9 @@ 
         $extraCondition = null;
 
         if ($this->groupId) {
-            $extraCondition = 'AND ccc.toGroupId = ' . intval($this->groupId);
+            $extraCondition = 'AND ccc.toGroupId = '.intval($this->groupId);
         } else {
-            $extraCondition = 'AND ccc.sessionId = ' . intval($this->sessionId);
+            $extraCondition = 'AND ccc.sessionId = '.intval($this->sessionId);
         }
 
         $number = Database::getManager()
@@ -1772,9 +1772,9 @@ 
         $extraCondition = null;
 
         if ($this->groupId) {
-            $extraCondition = 'AND ccc.toGroupId = ' . intval($this->groupId);
+            $extraCondition = 'AND ccc.toGroupId = '.intval($this->groupId);
         } else {
-            $extraCondition = 'AND ccc.sessionId = ' . intval($this->sessionId);
+            $extraCondition = 'AND ccc.sessionId = '.intval($this->sessionId);
         }
 
         $number = Database::getManager()
@@ -1810,7 +1810,7 @@ 
                 'lastname' => $user->getLastname(),
                 'status' => !$this->sessionId ? $subscription->getStatus() : $user->getStatus(),
                 'image_url' => UserManager::getUserPicture($user->getId(), USER_IMAGE_SIZE_MEDIUM),
-                'profile_url' => api_get_path(WEB_CODE_PATH) . 'social/profile.php?u=' . $user->getId(),
+                'profile_url' => api_get_path(WEB_CODE_PATH).'social/profile.php?u='.$user->getId(),
                 'complete_name' => $user->getCompleteName(),
                 'username' => $user->getUsername(),
                 'email' => $user->getEmail(),

main/chat/chat.php

Spacing +4 added lines, -4 removed lines

@@ -17,11 +17,11 @@ 
 ];
 
 foreach ($externalCSS as $css) {
-    $htmlHeadXtra[] = api_get_css(api_get_path(WEB_LIBRARY_JS_PATH) . $css);
+    $htmlHeadXtra[] = api_get_css(api_get_path(WEB_LIBRARY_JS_PATH).$css);
 }
 
-$htmlHeadXtra[] = api_get_css(api_get_path(WEB_CSS_PATH) . 'chat.css');
-$htmlHeadXtra[] = api_get_css(api_get_path(WEB_CSS_PATH) . 'markdown.css');
+$htmlHeadXtra[] = api_get_css(api_get_path(WEB_CSS_PATH).'chat.css');
+$htmlHeadXtra[] = api_get_css(api_get_path(WEB_CSS_PATH).'markdown.css');
 
 $externalJS = [
     'highlight/highlight.pack.js',
@@ -41,7 +41,7 @@ 
         continue;
     }
 
-    $iconList[$key] = strtoupper($icon) . '.png';
+    $iconList[$key] = strtoupper($icon).'.png';
 }
 
 $view = new Template(get_lang('Chat'), false, false, false, true, false);

main/inc/lib/course.lib.php

Indentation +8 added lines, -8 removed lines

@@ -1320,10 +1320,10 @@ 
             }
 
             $sql .= ' FROM ' . Database::get_main_table(TABLE_MAIN_USER) . ' as user '
-                  . ' LEFT JOIN ' . Database::get_main_table(TABLE_MAIN_COURSE_USER) . ' as course_rel_user
+                    . ' LEFT JOIN ' . Database::get_main_table(TABLE_MAIN_COURSE_USER) . ' as course_rel_user
                         ON user.user_id = course_rel_user.user_id AND
                         course_rel_user.relation_type <> ' . COURSE_RELATION_TYPE_RRHH . '  '
-                  . " INNER JOIN $course_table course ON course_rel_user.c_id = course.id ";
+                    . " INNER JOIN $course_table course ON course_rel_user.c_id = course.id ";
 
             if (!empty($course_code)) {
                 $sql .= ' AND course_rel_user.c_id="' . $courseId . '"';
@@ -1665,7 +1665,7 @@ 
 
         // We get the coach for the given course in a given session.
         $sql = 'SELECT user_id FROM ' . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) .
-               ' WHERE session_id ="' . $session_id . '" AND c_id="' . $courseId . '" AND status = 2';
+                ' WHERE session_id ="' . $session_id . '" AND c_id="' . $courseId . '" AND status = 2';
         $rs = Database::query($sql);
         while ($user = Database::fetch_array($rs)) {
             $user_info = api_get_user_info($user['user_id']);
@@ -3374,13 +3374,13 @@ 
                         $params['edit_actions'] .= api_get_path(WEB_CODE_PATH) . 'course_info/infocours.php?cidReq=' . $course['code'];
                         if ($load_dirs) {
                             $params['document'] = '<a id="document_preview_' . $course_info['real_id'] . '_0" class="document_preview btn btn-default btn-sm" href="javascript:void(0);">'
-                               . Display::returnFontAwesomeIcon('folder-open') . '</a>';
+                                . Display::returnFontAwesomeIcon('folder-open') . '</a>';
                             $params['document'] .= Display::div('', ['id' => 'document_result_' . $course_info['real_id'] . '_0', 'class' => 'document_preview_container']);
                         }
                     }else{
                         if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED && $load_dirs) {
                             $params['document'] = '<a id="document_preview_' . $course_info['real_id'] . '_0" class="document_preview btn btn-default btn-sm" href="javascript:void(0);">'
-                               . Display::returnFontAwesomeIcon('folder-open') . '</a>';
+                                . Display::returnFontAwesomeIcon('folder-open') . '</a>';
                             $params['document'] .= Display::div('', ['id' => 'document_result_' . $course_info['real_id'] . '_0', 'class' => 'document_preview_container']);
                         }
                     }
@@ -3563,7 +3563,7 @@ 
                 $params['edit_actions'] .= api_get_path(WEB_CODE_PATH) . 'course_info/infocours.php?cidReq=' . $course['code'];
                 if($load_dirs){
                     $params['document'] = '<a id="document_preview_' . $course_info['real_id'] . '_0" class="document_preview btn btn-default btn-sm" href="javascript:void(0);">'
-                               . Display::returnFontAwesomeIcon('folder-open') . '</a>';
+                                . Display::returnFontAwesomeIcon('folder-open') . '</a>';
                     $params['document'] .= Display::div('', array('id' => 'document_result_' . $course_info['real_id'] . '_0', 'class' => 'document_preview_container'));
                 }
             }
@@ -3701,7 +3701,7 @@ 
                 $params['edit_actions'] .= api_get_path(WEB_CODE_PATH) . 'course_info/infocours.php?cidReq=' . $course['code'];
                 if($load_dirs){
                     $params['document'] = '<a id="document_preview_' . $course_info['real_id'] . '_0" class="document_preview btn btn-default btn-sm" href="javascript:void(0);">'
-                               . Display::returnFontAwesomeIcon('folder-open') . '</a>';
+                                . Display::returnFontAwesomeIcon('folder-open') . '</a>';
                     $params['document'] .= Display::div('', array('id' => 'document_result_' . $course_info['real_id'] . '_0', 'class' => 'document_preview_container'));
                 }
             }
@@ -4010,7 +4010,7 @@ 
         }
 
         $session_title .= isset($course['special_course']) ? ' ' .
-                          Display::return_icon('klipper.png', get_lang('CourseAutoRegister')) : '';
+                            Display::return_icon('klipper.png', get_lang('CourseAutoRegister')) : '';
 
         $params['title'] = $session_title;
         $params['extra'] = '';

Braces +3 added lines, -3 removed lines

@@ -3416,7 +3416,7 @@ 
             $html .= '<a class="thumbnail" href="'.$params['link'].'">';
             $html .= $params['icon'];
             $html .= '</a>';
-        }else{
+        } else{
             $html .= $params['icon'];
         }
         $html .= '</div>';
@@ -3675,7 +3675,7 @@ 
             if ($showCustomIcon === 'true' && $iconName != 'course.png') {
                 $thumbnails = $course_info['course_image'];
                 $image = $course_info['course_image_large'];
-            }else{
+            } else{
                 $image = Display::return_icon('session_default.png', null, null, null,null, true);
             }
 
@@ -3803,7 +3803,7 @@ 
             if ($showCustomIcon === 'true' && $iconName != 'course.png') {
                 $thumbnails = $course_info['course_image'];
                 $image = $course_info['course_image_large'];
-            }else{
+            } else{
                 $image = Display::return_icon('session_default.png', null, null, null,null, true);
             }
 

Doc Comments +4 added lines, -3 removed lines

@@ -736,7 +736,7 @@ 
      * @param  string $courseCode the course code
      * @param  int $visible (optional) The course visibility in the catalogue to the user (1=visible, 0=invisible)
      *
-     * @return boolean true if added succesfully, false otherwise.
+     * @return boolean|string true if added succesfully, false otherwise.
      */
     public static function addUserVisibilityToCourseInCatalogue($userId, $courseCode, $visible = 1)
     {
@@ -2607,7 +2607,7 @@ 
      * then the courses that the user is allowed or not to see in catalogue
      *
      * @param boolean $allowed Either if the courses have some users that are or are not allowed to see in catalogue
-     * @param boolean $byUserId if the courses are or are not allowed to see to the user
+     * @param integer $byUserId if the courses are or are not allowed to see to the user
      * @return array Course codes allowed or not to see in catalogue by some user or the user
      */
     public static function getCatalogueCourseList($allowed = true, $byUserId = -1)
@@ -3151,6 +3151,7 @@ 
      * @param int $limit
      * @param string $column
      * @param string $direction
+     * @param integer $status
      * @return array    courses
      */
     public static function get_courses_followed_by_drh(
@@ -4902,7 +4903,7 @@ 
     /**
      * Returns the SQL conditions to filter course only visible by the user in the catalogue
      *
-     * @param $courseTableAlias Alias of the course table
+     * @param string $courseTableAlias Alias of the course table
      * @return string SQL conditions
      */
     public static function getCourseVisibilitySQLCondition($courseTableAlias) {

Spacing +320 added lines, -321 removed lines

@@ -121,8 +121,8 @@ 
     {
         return Database::fetch_array(
             Database::query(
-                "SELECT *, id as real_id FROM " . Database::get_main_table(TABLE_MAIN_COURSE) . "
-                WHERE code='" . Database::escape_string($course_code) . "'"), 'ASSOC'
+                "SELECT *, id as real_id FROM ".Database::get_main_table(TABLE_MAIN_COURSE)."
+                WHERE code='" . Database::escape_string($course_code)."'"), 'ASSOC'
         );
     }
 
@@ -150,7 +150,7 @@ 
         $alsoSearchCode = false,
         $conditionsLike = array()
     ) {
-        $sql = "SELECT course.* FROM " . Database::get_main_table(TABLE_MAIN_COURSE) . " course ";
+        $sql = "SELECT course.* FROM ".Database::get_main_table(TABLE_MAIN_COURSE)." course ";
 
         if (!empty($urlId)) {
             $table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
@@ -158,9 +158,9 @@ 
         }
 
         if (!empty($startwith)) {
-            $sql .= "WHERE (title LIKE '" . Database::escape_string($startwith) . "%' ";
+            $sql .= "WHERE (title LIKE '".Database::escape_string($startwith)."%' ";
             if ($alsoSearchCode) {
-                $sql .= "OR code LIKE '" . Database::escape_string($startwith) . "%' ";
+                $sql .= "OR code LIKE '".Database::escape_string($startwith)."%' ";
             }
             $sql .= ') ';
             if ($visibility !== -1 && $visibility == strval(intval($visibility))) {
@@ -194,19 +194,19 @@ 
                 $value = Database::escape_string($value);
                 $simple_like = false;
                 if ($simple_like) {
-                    $temp_conditions[] = $field . " LIKE '$value%'";
+                    $temp_conditions[] = $field." LIKE '$value%'";
                 } else {
-                    $temp_conditions[] = $field . ' LIKE \'%' . $value . '%\'';
+                    $temp_conditions[] = $field.' LIKE \'%'.$value.'%\'';
                 }
             }
             $condition = ' AND ';
             if (!empty($temp_conditions)) {
-                $sql .= implode(' ' . $condition . ' ', $temp_conditions);
+                $sql .= implode(' '.$condition.' ', $temp_conditions);
             }
         }
 
         if (!empty($orderby)) {
-            $sql .= " ORDER BY " . Database::escape_string($orderby) . " ";
+            $sql .= " ORDER BY ".Database::escape_string($orderby)." ";
         } else {
             $sql .= " ORDER BY 1 ";
         }
@@ -218,13 +218,13 @@ 
         }
 
         if (!empty($howmany) && is_int($howmany) and $howmany > 0) {
-            $sql .= ' LIMIT ' . Database::escape_string($howmany);
+            $sql .= ' LIMIT '.Database::escape_string($howmany);
         } else {
             $sql .= ' LIMIT 1000000'; //virtually no limit
         }
         if (!empty($from)) {
             $from = intval($from);
-            $sql .= ' OFFSET ' . intval($from);
+            $sql .= ' OFFSET '.intval($from);
         } else {
             $sql .= ' OFFSET 0';
         }
@@ -256,10 +256,10 @@ 
 
         $result = Database::fetch_array(
             Database::query(
-                "SELECT status FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . "
+                "SELECT status FROM ".Database::get_main_table(TABLE_MAIN_COURSE_USER)."
                 WHERE
                     c_id  = $courseId AND
-                    user_id = " . intval($userId)
+                    user_id = ".intval($userId)
             )
         );
 
@@ -277,9 +277,9 @@ 
 
         $result = Database::fetch_array(
             Database::query("
-                SELECT * FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . "
+                SELECT * FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER)."
                 WHERE
-                    c_id  = '" . intval($courseId). "' AND
+                    c_id  = '" . intval($courseId)."' AND
                     user_id = " . intval($userId)
             )
         );
@@ -326,9 +326,9 @@ 
         $result = Database::fetch_array(
             Database::query("
                 SELECT is_tutor
-                FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . "
+                FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER)."
                 WHERE
-                    c_id = '" . Database::escape_string($courseId) . "' AND
+                    c_id = '" . Database::escape_string($courseId)."' AND
                     user_id = " . intval($user_id)
             )
         );
@@ -381,17 +381,17 @@ 
         $course_id = $course_info['real_id'];
 
         // Unsubscribe user from all groups in the course.
-        $sql = "DELETE FROM " . Database::get_course_table(TABLE_GROUP_USER) . "
-                WHERE c_id = $course_id AND user_id IN (" . $user_ids . ")";
+        $sql = "DELETE FROM ".Database::get_course_table(TABLE_GROUP_USER)."
+                WHERE c_id = $course_id AND user_id IN (".$user_ids.")";
         Database::query($sql);
-        $sql = "DELETE FROM " . Database::get_course_table(TABLE_GROUP_TUTOR) . "
-                WHERE c_id = $course_id AND user_id IN (" . $user_ids . ")";
+        $sql = "DELETE FROM ".Database::get_course_table(TABLE_GROUP_TUTOR)."
+                WHERE c_id = $course_id AND user_id IN (".$user_ids.")";
         Database::query($sql);
 
         // Erase user student publications (works) in the course - by André Boivin
 
         if (!empty($user_list)) {
-            require_once api_get_path(SYS_CODE_PATH) . 'work/work.lib.php';
+            require_once api_get_path(SYS_CODE_PATH).'work/work.lib.php';
             foreach ($user_list as $userId) {
                 // Getting all work from user
                 $workList = getWorkPerUser($userId);
@@ -410,74 +410,74 @@ 
         }
 
         // Unsubscribe user from all blogs in the course.
-        Database::query("DELETE FROM " . Database::get_course_table(TABLE_BLOGS_REL_USER) . " WHERE c_id = $course_id AND  user_id IN (" . $user_ids . ")");
-        Database::query("DELETE FROM " . Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER) . " WHERE c_id = $course_id AND  user_id IN (" . $user_ids . ")");
+        Database::query("DELETE FROM ".Database::get_course_table(TABLE_BLOGS_REL_USER)." WHERE c_id = $course_id AND  user_id IN (".$user_ids.")");
+        Database::query("DELETE FROM ".Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER)." WHERE c_id = $course_id AND  user_id IN (".$user_ids.")");
 
         // Deleting users in forum_notification and mailqueue course tables
-        $sql = "DELETE FROM  " . Database::get_course_table(TABLE_FORUM_NOTIFICATION) . "
-                WHERE c_id = $course_id AND user_id IN (" . $user_ids . ")";
+        $sql = "DELETE FROM  ".Database::get_course_table(TABLE_FORUM_NOTIFICATION)."
+                WHERE c_id = $course_id AND user_id IN (".$user_ids.")";
         Database::query($sql);
 
-        $sql = "DELETE FROM " . Database::get_course_table(TABLE_FORUM_MAIL_QUEUE) . "
-                WHERE c_id = $course_id AND user_id IN (" . $user_ids . ")";
+        $sql = "DELETE FROM ".Database::get_course_table(TABLE_FORUM_MAIL_QUEUE)."
+                WHERE c_id = $course_id AND user_id IN (".$user_ids.")";
         Database::query($sql);
 
         // Unsubscribe user from the course.
         if (!empty($session_id)) {
 
             // Delete in table session_rel_course_rel_user
-            $sql = "DELETE FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) . "
+            $sql = "DELETE FROM ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)."
                     WHERE
-                        session_id ='" . $session_id . "' AND
-                        c_id = '" . $course_id . "' AND
+                        session_id ='" . $session_id."' AND
+                        c_id = '" . $course_id."' AND
                         user_id IN ($user_ids)";
             Database::query($sql);
 
             foreach ($user_list as $uid) {
                 // check if a user is register in the session with other course
-                $sql = "SELECT user_id FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) . "
+                $sql = "SELECT user_id FROM ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)."
                         WHERE session_id='$session_id' AND user_id='$uid'";
                 $rs = Database::query($sql);
 
                 if (Database::num_rows($rs) == 0) {
                     // Delete in table session_rel_user
-                    $sql = "DELETE FROM " . Database::get_main_table(TABLE_MAIN_SESSION_USER) . "
+                    $sql = "DELETE FROM ".Database::get_main_table(TABLE_MAIN_SESSION_USER)."
                             WHERE
-                                session_id ='" . $session_id . "' AND
+                                session_id ='" . $session_id."' AND
                                 user_id = '$uid' AND
-                                relation_type<>" . SESSION_RELATION_TYPE_RRHH . "";
+                                relation_type<>".SESSION_RELATION_TYPE_RRHH."";
                     Database::query($sql);
                 }
             }
 
             // Update the table session
-            $sql = "SELECT COUNT(*) FROM " . Database::get_main_table(TABLE_MAIN_SESSION_USER) . "
-                    WHERE session_id = '" . $session_id . "' AND relation_type <> " . SESSION_RELATION_TYPE_RRHH;
+            $sql = "SELECT COUNT(*) FROM ".Database::get_main_table(TABLE_MAIN_SESSION_USER)."
+                    WHERE session_id = '" . $session_id."' AND relation_type <> ".SESSION_RELATION_TYPE_RRHH;
             $row = Database::fetch_array(Database::query($sql));
             $count = $row[0];
             // number of users by session
-            $sql = "UPDATE " . Database::get_main_table(TABLE_MAIN_SESSION) . " SET nbr_users = '$count'
-                    WHERE id = '" . $session_id . "'";
+            $sql = "UPDATE ".Database::get_main_table(TABLE_MAIN_SESSION)." SET nbr_users = '$count'
+                    WHERE id = '".$session_id."'";
             Database::query($sql);
 
             // Update the table session_rel_course
-            $sql = "SELECT COUNT(*) FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) . "
+            $sql = "SELECT COUNT(*) FROM ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)."
                     WHERE session_id = '$session_id' AND c_id = '$course_id' AND status<>2";
             $row = Database::fetch_array(@Database::query($sql));
             $count = $row[0];
 
             // number of users by session and course
-            $sql = "UPDATE " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE) . "
+            $sql = "UPDATE ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE)."
                     SET nbr_users = '$count'
                     WHERE session_id = '$session_id' AND c_id = '$course_id'";
             Database::query($sql);
 
         } else {
-            $sql = "DELETE FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . "
+            $sql = "DELETE FROM ".Database::get_main_table(TABLE_MAIN_COURSE_USER)."
                     WHERE
-                        user_id IN (" . $user_ids . ") AND
-                        relation_type<>" . COURSE_RELATION_TYPE_RRHH . " AND
-                        c_id = '" . $course_id . "'";
+                        user_id IN (" . $user_ids.") AND
+                        relation_type<>" . COURSE_RELATION_TYPE_RRHH." AND
+                        c_id = '" . $course_id."'";
             Database::query($sql);
 
             // add event to system log
@@ -547,7 +547,7 @@ 
 
         // A preliminary check whether the user has bben already registered on the platform.
         if (Database::num_rows(Database::query(
-                "SELECT status FROM " . Database::get_main_table(TABLE_MAIN_USER) . "
+                "SELECT status FROM ".Database::get_main_table(TABLE_MAIN_USER)."
                 WHERE user_id = '$user_id' ")) == 0
         ) {
             return false; // The user has not been registered to the platform.
@@ -557,8 +557,8 @@ 
 
         if (empty($session_id)) {
             if (Database::num_rows(Database::query("
-                    SELECT * FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . "
-                    WHERE user_id = '$user_id' AND relation_type<>" . COURSE_RELATION_TYPE_RRHH . " AND c_id = '$courseId'")) > 0
+                    SELECT * FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER)."
+                    WHERE user_id = '$user_id' AND relation_type<>".COURSE_RELATION_TYPE_RRHH." AND c_id = '$courseId'")) > 0
             ) {
                 // The user has been already subscribed to the course.
                 return false;
@@ -680,7 +680,7 @@ 
         $courseId = $courseInfo['real_id'];
 
         // Check in advance whether the user has already been registered on the platform.
-        $sql = "SELECT status FROM " . $user_table . " WHERE user_id = $user_id ";
+        $sql = "SELECT status FROM ".$user_table." WHERE user_id = $user_id ";
         if (Database::num_rows(Database::query($sql)) == 0) {
             if ($debug) {
                 error_log('The user has not been registered to the platform');
@@ -692,7 +692,7 @@ 
         $sql = "SELECT * FROM $course_user_table
                 WHERE
                     user_id = $user_id AND
-                    relation_type <> " . COURSE_RELATION_TYPE_RRHH . " AND
+                    relation_type <> ".COURSE_RELATION_TYPE_RRHH." AND
                     c_id = $courseId";
         if (Database::num_rows(Database::query($sql)) > 0) {
             if ($debug) {
@@ -704,7 +704,7 @@ 
         if (!api_is_course_admin()) {
             // Check in advance whether subscription is allowed or not for this course.
             $sql = "SELECT code, visibility FROM $course_table
-                    WHERE id = $courseId AND subscribe = '" . SUBSCRIBE_NOT_ALLOWED . "'";
+                    WHERE id = $courseId AND subscribe = '".SUBSCRIBE_NOT_ALLOWED."'";
             if (Database::num_rows(Database::query($sql)) > 0) {
                 if ($debug) {
                     error_log('Subscription is not allowed for this course');
@@ -753,7 +753,7 @@ 
         $courseId = $courseInfo['real_id'];
 
         // Check in advance whether the user has already been registered on the platform.
-        $sql = "SELECT status FROM " . $userTable . " WHERE user_id = $userId ";
+        $sql = "SELECT status FROM ".$userTable." WHERE user_id = $userId ";
         if (Database::num_rows(Database::query($sql)) == 0) {
             if ($debug) {
                 error_log('The user has not been registered to the platform');
@@ -765,7 +765,7 @@ 
         $sql = "SELECT * FROM $courseUserTable
                 WHERE
                     user_id = $userId AND
-                    visible = " . $visible . " AND
+                    visible = ".$visible." AND
                     c_id = $courseId";
         if (Database::num_rows(Database::query($sql)) > 0) {
             if ($debug) {
@@ -812,7 +812,7 @@ 
         $sql = "SELECT * FROM $courseUserTable
                 WHERE
                     user_id = $userId AND
-                    visible = " . $visible . " AND
+                    visible = ".$visible." AND
                     c_id = $courseId";
         if (Database::num_rows(Database::query($sql)) > 0) {
             $cond = array(
@@ -864,7 +864,7 @@ 
     {
         $wanted_course_code = Database::escape_string($wanted_course_code);
         $sql = "SELECT COUNT(*) as number
-                FROM " . Database::get_main_table(TABLE_MAIN_COURSE) . "
+                FROM " . Database::get_main_table(TABLE_MAIN_COURSE)."
                 WHERE code = '$wanted_course_code' OR visual_code = '$wanted_course_code'";
         $result = Database::fetch_array(Database::query($sql));
 
@@ -1060,7 +1060,7 @@ 
         $sql = "SELECT * FROM $table
                 WHERE
                     user_id = $userId AND
-                    relation_type = " . COURSE_RELATION_TYPE_RRHH . " AND
+                    relation_type = ".COURSE_RELATION_TYPE_RRHH." AND
                     c_id = $courseId";
 
         $result = Database::fetch_array(Database::query($sql));
@@ -1099,13 +1099,13 @@ 
                 return false;
             }
             $courseId = $courseInfo['real_id'];
-            $condition_course = ' AND c_id = ' . $courseId;
+            $condition_course = ' AND c_id = '.$courseId;
         }
 
-        $sql = "SELECT * FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . "
+        $sql = "SELECT * FROM ".Database::get_main_table(TABLE_MAIN_COURSE_USER)."
                 WHERE
                     user_id = $user_id AND
-                    relation_type<>" . COURSE_RELATION_TYPE_RRHH . "
+                    relation_type<>".COURSE_RELATION_TYPE_RRHH."
                     $condition_course ";
 
         $result = Database::fetch_array(Database::query($sql));
@@ -1121,20 +1121,20 @@ 
         }
 
         $tableSessionCourseUser = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
-        $sql = 'SELECT 1 FROM ' . $tableSessionCourseUser .
-            ' WHERE user_id = ' . $user_id . ' ' . $condition_course;
+        $sql = 'SELECT 1 FROM '.$tableSessionCourseUser.
+            ' WHERE user_id = '.$user_id.' '.$condition_course;
         if (Database::num_rows(Database::query($sql)) > 0) {
             return true;
         }
 
-        $sql = 'SELECT 1 FROM ' . $tableSessionCourseUser .
-            ' WHERE user_id = ' . $user_id . ' AND status=2 ' . $condition_course;
+        $sql = 'SELECT 1 FROM '.$tableSessionCourseUser.
+            ' WHERE user_id = '.$user_id.' AND status=2 '.$condition_course;
         if (Database::num_rows(Database::query($sql)) > 0) {
             return true;
         }
 
-        $sql = 'SELECT 1 FROM ' . Database::get_main_table(TABLE_MAIN_SESSION) .
-            ' WHERE id = ' . $session_id . ' AND id_coach=' . $user_id;
+        $sql = 'SELECT 1 FROM '.Database::get_main_table(TABLE_MAIN_SESSION).
+            ' WHERE id = '.$session_id.' AND id_coach='.$user_id;
 
         if (Database::num_rows(Database::query($sql)) > 0) {
             return true;
@@ -1161,8 +1161,8 @@ 
         $courseId = $courseInfo['real_id'];
 
         $result = Database::query(
-            'SELECT status FROM ' . Database::get_main_table(TABLE_MAIN_COURSE_USER) .
-            ' WHERE c_id = ' . $courseId . ' AND user_id = ' . $user_id . ''
+            'SELECT status FROM '.Database::get_main_table(TABLE_MAIN_COURSE_USER).
+            ' WHERE c_id = '.$courseId.' AND user_id = '.$user_id.''
         );
 
         if (Database::num_rows($result) > 0) {
@@ -1192,12 +1192,12 @@ 
             $result = Database::fetch_array(
                 Database::query(
                     "SELECT *
-                    FROM " . Database::get_main_table(TABLE_MAIN_COURSE) . " course
-                    LEFT JOIN " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . " course_user
+                    FROM " . Database::get_main_table(TABLE_MAIN_COURSE)." course
+                    LEFT JOIN " . Database::get_main_table(TABLE_MAIN_COURSE_USER)." course_user
                     ON course.id = course_user.c_id
                     WHERE
                         course_user.user_id = '$user_id' AND
-                        course_user.relation_type<>" . COURSE_RELATION_TYPE_RRHH . " AND
+                        course_user.relation_type<>".COURSE_RELATION_TYPE_RRHH." AND
                         ( course.id = '$courseId')"
                 )
             );
@@ -1211,8 +1211,8 @@ 
 
         // A user?
         if (Database::num_rows(Database::query("SELECT user_id
-                FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) . "
-                WHERE session_id='" . $session_id . "'
+                FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)."
+                WHERE session_id='" . $session_id."'
                 AND user_id ='$user_id'"))
         ) {
             return true;
@@ -1220,8 +1220,8 @@ 
 
         // A course coach?
         if (Database::num_rows(Database::query("SELECT user_id
-                FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) . "
-                WHERE session_id='" . $session_id . "'
+                FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)."
+                WHERE session_id='" . $session_id."'
                 AND user_id = '$user_id' AND status = 2
                 AND c_id ='$courseId'"))
         ) {
@@ -1230,8 +1230,8 @@ 
 
         // A session coach?
         if (Database::num_rows(Database::query("SELECT id_coach
-                FROM " . Database::get_main_table(TABLE_MAIN_SESSION) . " AS session
-                WHERE session.id='" . $session_id . "'
+                FROM " . Database::get_main_table(TABLE_MAIN_SESSION)." AS session
+                WHERE session.id='" . $session_id."'
                 AND id_coach='$user_id'"))
         ) {
             return true;
@@ -1299,7 +1299,7 @@ 
         // we have to check if it is a valid field that can be sorted on
         if (!strstr($order_by, 'ORDER BY')) {
             if (!empty($order_by)) {
-                $order_by = 'ORDER BY ' . $order_by;
+                $order_by = 'ORDER BY '.$order_by;
             } else {
                 $order_by = '';
             }
@@ -1331,11 +1331,11 @@ 
             if (!empty($courseCodeList)) {
                 $courseCodeListForSession = array_map(array('Database', 'escape_string'), $courseCodeList);
                 $courseCodeListForSession = implode('","', $courseCodeListForSession);
-                $courseCondition = ' course.code IN ("' . $courseCodeListForSession . '")  ';
+                $courseCondition = ' course.code IN ("'.$courseCodeListForSession.'")  ';
             }
 
-            $sql .= ' FROM ' . Database::get_main_table(TABLE_MAIN_USER) . ' as user ';
-            $sql .= " LEFT JOIN ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) . " as session_course_user
+            $sql .= ' FROM '.Database::get_main_table(TABLE_MAIN_USER).' as user ';
+            $sql .= " LEFT JOIN ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)." as session_course_user
                       ON
                         user.id = session_course_user.user_id AND
                         $sessionCondition
@@ -1376,15 +1376,15 @@ 
                 }
             }
 
-            $sql .= ' FROM ' . Database::get_main_table(TABLE_MAIN_USER) . ' as user '
-                  . ' LEFT JOIN ' . Database::get_main_table(TABLE_MAIN_COURSE_USER) . ' as course_rel_user
+            $sql .= ' FROM '.Database::get_main_table(TABLE_MAIN_USER).' as user '
+                  . ' LEFT JOIN '.Database::get_main_table(TABLE_MAIN_COURSE_USER).' as course_rel_user
                       ON 
                         user.id = course_rel_user.user_id AND
-                        course_rel_user.relation_type <> ' . COURSE_RELATION_TYPE_RRHH . '  '
+                        course_rel_user.relation_type <> ' . COURSE_RELATION_TYPE_RRHH.'  '
                   . " INNER JOIN $course_table course ON course_rel_user.c_id = course.id ";
 
             if (!empty($course_code)) {
-                $sql .= ' AND course_rel_user.c_id = "' . $courseId . '"';
+                $sql .= ' AND course_rel_user.c_id = "'.$courseId.'"';
             }
             $where[] = ' course_rel_user.c_id IS NOT NULL ';
 
@@ -1396,7 +1396,7 @@ 
 
         $multiple_access_url = api_get_multiple_access_url();
         if ($multiple_access_url) {
-            $sql .= ' LEFT JOIN ' . Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER) . ' au
+            $sql .= ' LEFT JOIN '.Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER).' au
                       ON (au.user_id = user.id) ';
         }
 
@@ -1416,7 +1416,7 @@ 
             }
         }
 
-        $sql .= ' WHERE ' . $filter_by_status_condition . ' ' . implode(' OR ', $where);
+        $sql .= ' WHERE '.$filter_by_status_condition.' '.implode(' OR ', $where);
 
         if ($multiple_access_url) {
             $current_access_url_id = api_get_current_access_url_id();
@@ -1438,15 +1438,15 @@ 
         if (!empty($userIdList)) {
             $userIdList = array_map('intval', $userIdList);
             $userIdList = implode('","', $userIdList);
-            $sql .= ' AND user.id IN ("' . $userIdList . '")';
+            $sql .= ' AND user.id IN ("'.$userIdList.'")';
         }
 
         if (isset($filterByActive)) {
             $filterByActive = intval($filterByActive);
-            $sql .= ' AND user.active = ' . $filterByActive;
+            $sql .= ' AND user.active = '.$filterByActive;
         }
 
-        $sql .= ' ' . $order_by . ' ' . $limit;
+        $sql .= ' '.$order_by.' '.$limit;
 
         $rs = Database::query($sql);
         $users = array();
@@ -1592,7 +1592,7 @@ 
                             )
                         );
                         $report_info['progress_100'] = $progress == 100 ? Display::label(get_lang('Yes'), 'success') : Display::label(get_lang('No'));
-                        $report_info['progress'] = $progress . "%";
+                        $report_info['progress'] = $progress."%";
 
                         foreach ($extra_fields as $extra) {
                             $user_data = UserManager::get_extra_user_data_by_field($user['user_id'], $extra['1']);
@@ -1662,32 +1662,32 @@ 
         $courseId = $courseInfo['real_id'];
 
         $sql = 'SELECT DISTINCT count(user.id) as count  
-                FROM ' . Database::get_main_table(TABLE_MAIN_USER) . ' as user ';
+                FROM ' . Database::get_main_table(TABLE_MAIN_USER).' as user ';
         $where = array();
         if (!empty($session_id)) {
-            $sql .= ' LEFT JOIN ' . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) . ' as session_course_user
+            $sql .= ' LEFT JOIN '.Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER).' as session_course_user
                       ON
                         user.user_id = session_course_user.user_id AND
-                        session_course_user.c_id = "' . $courseId . '" AND
+                        session_course_user.c_id = "' . $courseId.'" AND
                         session_course_user.session_id  = ' . $session_id;
 
             $where[] = ' session_course_user.c_id IS NOT NULL ';
         } else {
-            $sql .= ' LEFT JOIN ' . Database::get_main_table(TABLE_MAIN_COURSE_USER) . ' as course_rel_user
+            $sql .= ' LEFT JOIN '.Database::get_main_table(TABLE_MAIN_COURSE_USER).' as course_rel_user
                         ON
                             user.user_id = course_rel_user.user_id AND
-                            course_rel_user.relation_type<>' . COURSE_RELATION_TYPE_RRHH . ' AND
-                            course_rel_user.c_id = ' . $courseId ;
+                            course_rel_user.relation_type<>' . COURSE_RELATION_TYPE_RRHH.' AND
+                            course_rel_user.c_id = ' . $courseId;
             $where[] = ' course_rel_user.c_id IS NOT NULL ';
         }
 
         $multiple_access_url = api_get_multiple_access_url();
         if ($multiple_access_url) {
-            $sql .= ' LEFT JOIN ' . Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER) . '  au
+            $sql .= ' LEFT JOIN '.Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER).'  au
                       ON (au.user_id = user.user_id) ';
         }
 
-        $sql .= ' WHERE ' . implode(' OR ', $where);
+        $sql .= ' WHERE '.implode(' OR ', $where);
 
         if ($multiple_access_url) {
             $current_access_url_id = api_get_current_access_url_id();
@@ -1724,8 +1724,8 @@ 
         $users = array();
 
         // We get the coach for the given course in a given session.
-        $sql = 'SELECT user_id FROM ' . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) .
-               ' WHERE session_id ="' . $session_id . '" AND c_id="' . $courseId . '" AND status = 2';
+        $sql = 'SELECT user_id FROM '.Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER).
+               ' WHERE session_id ="'.$session_id.'" AND c_id="'.$courseId.'" AND status = 2';
         $rs = Database::query($sql);
         while ($user = Database::fetch_array($rs)) {
             $userInfo = api_get_user_info($user['user_id']);
@@ -1812,11 +1812,11 @@ 
             $joinSession = "";
             //Session creation date
             if (!empty($date_from) && !empty($date_to)) {
-                $joinSession = "INNER JOIN " . Database::get_main_table(TABLE_MAIN_SESSION) . " s";
+                $joinSession = "INNER JOIN ".Database::get_main_table(TABLE_MAIN_SESSION)." s";
             }
 
             $sql_query = "SELECT *
-                          FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) . " scu
+                          FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)." scu
                           $joinSession
                           INNER JOIN $userTable u ON scu.user_id = u.user_id
                           WHERE scu.c_id = '$courseId' AND scu.status <> 2";
@@ -1828,11 +1828,11 @@ 
             }
 
             if ($session_id != 0) {
-                $sql_query .= ' AND scu.session_id = ' . $session_id;
+                $sql_query .= ' AND scu.session_id = '.$session_id;
             }
 
             if (!$includeInvitedUsers) {
-                $sql_query .= " AND u.status != " . INVITEE;
+                $sql_query .= " AND u.status != ".INVITEE;
             }
 
             $rs = Database::query($sql_query);
@@ -1866,8 +1866,8 @@ 
                     u.email,
                     u.username,
                     u.status
-                FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . " cu
-                INNER JOIN " . Database::get_main_table(TABLE_MAIN_USER) . " u
+                FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER)." cu
+                INNER JOIN " . Database::get_main_table(TABLE_MAIN_USER)." u
                 ON (cu.user_id = u.id)
                 WHERE
                     cu.c_id = $courseId AND
@@ -1905,8 +1905,8 @@ 
                     u.email,
                     u.username,
                     u.status
-                FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . " cu
-                INNER JOIN " . Database::get_main_table(TABLE_MAIN_USER) . " u
+                FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER)." cu
+                INNER JOIN " . Database::get_main_table(TABLE_MAIN_USER)." u
                 ON (cu.user_id = u.id)
                 WHERE
                     cu.c_id = $courseId AND
@@ -1914,7 +1914,7 @@ 
         $rs = Database::query($sql);
         $listTeachers = array();
         $teachers = array();
-        $url = api_get_path(WEB_AJAX_PATH) . 'user_manager.ajax.php?a=get_user_popup';
+        $url = api_get_path(WEB_AJAX_PATH).'user_manager.ajax.php?a=get_user_popup';
         while ($teacher = Database::fetch_array($rs)) {
             $teachers['id'] = $teacher['user_id'];
             $teachers['lastname'] = $teacher['lastname'];
@@ -1927,7 +1927,7 @@ 
                 $userPicture = UserManager::getUserPicture($teacher['user_id'], USER_IMAGE_SIZE_SMALL);
                 $teachers['avatar'] = $userPicture;
             }
-            $teachers['url'] = $url.'&user_id='. $teacher['user_id'];
+            $teachers['url'] = $url.'&user_id='.$teacher['user_id'];
             $listTeachers[] = $teachers;
         }
 
@@ -1957,7 +1957,7 @@ 
                     $teacher['lastname']
                 );
                 if ($add_link_to_profile) {
-                    $url = api_get_path(WEB_AJAX_PATH) . 'user_manager.ajax.php?a=get_user_popup&user_id=' . $teacher['user_id'];
+                    $url = api_get_path(WEB_AJAX_PATH).'user_manager.ajax.php?a=get_user_popup&user_id='.$teacher['user_id'];
                     $teacher_name = Display::url(
                         $teacher_name,
                         $url,
@@ -1973,8 +1973,8 @@ 
             if (!empty($list)) {
                 if ($orderList === true) {
                     $html .= '<ul class="user-teacher">';
-                    foreach ($list as $teacher){
-                        $html .= Display::tag('li', Display::return_icon('teacher.png', $teacher, null, ICON_SIZE_TINY) . ' ' . $teacher);
+                    foreach ($list as $teacher) {
+                        $html .= Display::tag('li', Display::return_icon('teacher.png', $teacher, null, ICON_SIZE_TINY).' '.$teacher);
                     }
                     $html .= '</ul>';
                 } else {
@@ -2055,7 +2055,7 @@ 
             foreach ($coachList as $coach_course) {
                 $coach_name = $coach_course['full_name'];
                 if ($add_link_to_profile) {
-                    $url = api_get_path(WEB_AJAX_PATH) . 'user_manager.ajax.php?a=get_user_popup&user_id=' . $coach_course['user_id'];
+                    $url = api_get_path(WEB_AJAX_PATH).'user_manager.ajax.php?a=get_user_popup&user_id='.$coach_course['user_id'];
                     $coach_name = Display::url(
                         $coach_name,
                         $url,
@@ -2076,7 +2076,7 @@ 
                 foreach ($course_coachs as $coachs) {
                     $html .= Display::tag(
                         'li',
-                        Display::return_icon('teacher.png', $coachs, null, ICON_SIZE_TINY) . ' ' . $coachs
+                        Display::return_icon('teacher.png', $coachs, null, ICON_SIZE_TINY).' '.$coachs
                     );
                 }
                 $html .= '</ul>';
@@ -2129,20 +2129,20 @@ 
         }
 
         $group_list = array();
-        $session_id != 0 ? $session_condition = ' WHERE g.session_id IN(1,' . intval($session_id) . ')' : $session_condition = ' WHERE g.session_id = 0';
+        $session_id != 0 ? $session_condition = ' WHERE g.session_id IN(1,'.intval($session_id).')' : $session_condition = ' WHERE g.session_id = 0';
 
         if ($in_get_empty_group == 0) {
             // get only groups that are not empty
             $sql = "SELECT DISTINCT g.id, g.iid, g.name
-                    FROM " . Database::get_course_table(TABLE_GROUP) . " AS g
-                    INNER JOIN " . Database::get_course_table(TABLE_GROUP_USER) . " gu
+                    FROM " . Database::get_course_table(TABLE_GROUP)." AS g
+                    INNER JOIN " . Database::get_course_table(TABLE_GROUP_USER)." gu
                     ON (g.id = gu.group_id AND g.c_id = $course_id AND gu.c_id = $course_id)
                     $session_condition
                     ORDER BY g.name";
         } else {
             // get all groups even if they are empty
             $sql = "SELECT g.id, g.name, g.iid 
-                    FROM " . Database::get_course_table(TABLE_GROUP) . " AS g
+                    FROM " . Database::get_course_table(TABLE_GROUP)." AS g
                     $session_condition
                     AND c_id = $course_id";
         }
@@ -2198,7 +2198,7 @@ 
         $table_stats_uploads = Database::get_main_table(TABLE_STATISTIC_TRACK_E_UPLOADS);
 
         $codeFiltered = Database::escape_string($code);
-        $sql = "SELECT * FROM $table_course WHERE code='" . $codeFiltered . "'";
+        $sql = "SELECT * FROM $table_course WHERE code='".$codeFiltered."'";
         $res = Database::query($sql);
 
         if (Database::num_rows($res) == 0) {
@@ -2206,7 +2206,7 @@ 
         }
 
         $sql = "SELECT * FROM $table_course
-                WHERE code = '" . $codeFiltered . "'";
+                WHERE code = '".$codeFiltered."'";
         $res = Database::query($sql);
         $course = Database::fetch_array($res);
         $courseId = $course['id'];
@@ -2254,34 +2254,34 @@ 
                 }
             }
 
-            $course_dir = api_get_path(SYS_COURSE_PATH) . $course['directory'];
-            $archive_dir = api_get_path(SYS_ARCHIVE_PATH) . $course['directory'] . '_' . time();
+            $course_dir = api_get_path(SYS_COURSE_PATH).$course['directory'];
+            $archive_dir = api_get_path(SYS_ARCHIVE_PATH).$course['directory'].'_'.time();
             if (is_dir($course_dir)) {
                 rename($course_dir, $archive_dir);
             }
 
             // Unsubscribe all users from the course
-            $sql = "DELETE FROM $table_course_user WHERE c_id='" . $courseId . "'";
+            $sql = "DELETE FROM $table_course_user WHERE c_id='".$courseId."'";
             Database::query($sql);
             // Delete the course from the sessions tables
-            $sql = "DELETE FROM $table_session_course WHERE c_id='" . $courseId . "'";
+            $sql = "DELETE FROM $table_session_course WHERE c_id='".$courseId."'";
             Database::query($sql);
-            $sql = "DELETE FROM $table_session_course_user WHERE c_id='" . $courseId . "'";
+            $sql = "DELETE FROM $table_session_course_user WHERE c_id='".$courseId."'";
             Database::query($sql);
 
             // Delete from Course - URL
-            $sql = "DELETE FROM $table_course_rel_url WHERE c_id = '" . $courseId. "'";
+            $sql = "DELETE FROM $table_course_rel_url WHERE c_id = '".$courseId."'";
             Database::query($sql);
 
-            $sql = 'SELECT survey_id FROM ' . $table_course_survey . ' WHERE course_code="' . $codeFiltered . '"';
+            $sql = 'SELECT survey_id FROM '.$table_course_survey.' WHERE course_code="'.$codeFiltered.'"';
             $result_surveys = Database::query($sql);
             while ($surveys = Database::fetch_array($result_surveys)) {
                 $survey_id = $surveys[0];
-                $sql = 'DELETE FROM ' . $table_course_survey_question . ' WHERE survey_id="' . $survey_id . '"';
+                $sql = 'DELETE FROM '.$table_course_survey_question.' WHERE survey_id="'.$survey_id.'"';
                 Database::query($sql);
-                $sql = 'DELETE FROM ' . $table_course_survey_question_option . ' WHERE survey_id="' . $survey_id . '"';
+                $sql = 'DELETE FROM '.$table_course_survey_question_option.' WHERE survey_id="'.$survey_id.'"';
                 Database::query($sql);
-                $sql = 'DELETE FROM ' . $table_course_survey . ' WHERE survey_id="' . $survey_id . '"';
+                $sql = 'DELETE FROM '.$table_course_survey.' WHERE survey_id="'.$survey_id.'"';
                 Database::query($sql);
             }
 
@@ -2324,7 +2324,7 @@ 
             Database::query($sql);
 
             // Delete the course from the database
-            $sql = "DELETE FROM $table_course WHERE code = '" . $codeFiltered . "'";
+            $sql = "DELETE FROM $table_course WHERE code = '".$codeFiltered."'";
             Database::query($sql);
 
             // delete extra course fields
@@ -2370,15 +2370,15 @@ 
                 while ($row = Database::fetch_array($res_table, 'ASSOC')) {
                     $row_to_save = array();
                     foreach ($row as $key => $value) {
-                        $row_to_save[$key] = $key . "='" . Database::escape_string($row[$key]) . "'";
+                        $row_to_save[$key] = $key."='".Database::escape_string($row[$key])."'";
                     }
-                    $sql_dump .= "\nINSERT INTO $table SET " . implode(', ', $row_to_save) . ';';
+                    $sql_dump .= "\nINSERT INTO $table SET ".implode(', ', $row_to_save).';';
                 }
             }
         }
 
-        if (is_dir(api_get_path(SYS_COURSE_PATH) . $course['directory'])) {
-            $file_name = api_get_path(SYS_COURSE_PATH) . $course['directory'] . '/mysql_dump.sql';
+        if (is_dir(api_get_path(SYS_COURSE_PATH).$course['directory'])) {
+            $file_name = api_get_path(SYS_COURSE_PATH).$course['directory'].'/mysql_dump.sql';
             $handle = fopen($file_name, 'a+');
             if ($handle !== false) {
                 fwrite($handle, $sql_dump);
@@ -2407,13 +2407,13 @@ 
         $TABLECOURSE = Database::get_main_table(TABLE_MAIN_COURSE);
         $TABLECOURSUSER = Database::get_main_table(TABLE_MAIN_COURSE_USER);
 
-        $course_title = Database::result(Database::query('SELECT title FROM ' . $TABLECOURSE . ' WHERE code="' . $course_code . '"'),
+        $course_title = Database::result(Database::query('SELECT title FROM '.$TABLECOURSE.' WHERE code="'.$course_code.'"'),
             0, 0);
 
         $sql = 'SELECT course.code as code, course.title as title, cu.sort as sort
-                FROM ' . $TABLECOURSUSER . ' as cu, ' . $TABLECOURSE . ' as course
-                WHERE   course.id = cu.c_id AND user_id = "' . $user_id . '" AND
-                        cu.relation_type<>' . COURSE_RELATION_TYPE_RRHH . ' AND
+                FROM ' . $TABLECOURSUSER.' as cu, '.$TABLECOURSE.' as course
+                WHERE   course.id = cu.c_id AND user_id = "' . $user_id.'" AND
+                        cu.relation_type<>' . COURSE_RELATION_TYPE_RRHH.' AND
                         user_course_cat = 0
                 ORDER BY cu.sort';
         $result = Database::query($sql);
@@ -2432,21 +2432,21 @@ 
                     $course_found = true;
                     $course_sort = $courses['sort'];
                     if ($counter == 0) {
-                        $sql = 'UPDATE ' . $TABLECOURSUSER . '
+                        $sql = 'UPDATE '.$TABLECOURSUSER.'
                                 SET sort = sort+1
                                 WHERE
-                                    user_id= "' . $user_id . '" AND
-                                    relation_type<>' . COURSE_RELATION_TYPE_RRHH . '
+                                    user_id= "' . $user_id.'" AND
+                                    relation_type<>' . COURSE_RELATION_TYPE_RRHH.'
                                     AND user_course_cat="0"
-                                    AND sort > "' . $course_sort . '"';
+                                    AND sort > "' . $course_sort.'"';
                         $course_sort++;
                     } else {
-                        $sql = 'UPDATE ' . $TABLECOURSUSER . ' SET sort = sort+1
+                        $sql = 'UPDATE '.$TABLECOURSUSER.' SET sort = sort+1
                                 WHERE
-                                    user_id= "' . $user_id . '" AND
-                                    relation_type<>' . COURSE_RELATION_TYPE_RRHH . ' AND
+                                    user_id= "' . $user_id.'" AND
+                                    relation_type<>' . COURSE_RELATION_TYPE_RRHH.' AND
                                     user_course_cat="0" AND
-                                    sort >= "' . $course_sort . '"';
+                                    sort >= "' . $course_sort.'"';
                     }
                     Database::query($sql);
                     break;
@@ -2459,9 +2459,9 @@ 
 
             // We must register the course in the beginning of the list
             if (!$course_found) {
-                $course_sort = Database::result(Database::query('SELECT min(sort) as min_sort FROM ' . $TABLECOURSUSER . ' WHERE user_id="' . $user_id . '" AND user_course_cat="0"'),
+                $course_sort = Database::result(Database::query('SELECT min(sort) as min_sort FROM '.$TABLECOURSUSER.' WHERE user_id="'.$user_id.'" AND user_course_cat="0"'),
                     0, 0);
-                Database::query('UPDATE ' . $TABLECOURSUSER . ' SET sort = sort+1 WHERE user_id= "' . $user_id . '" AND user_course_cat="0"');
+                Database::query('UPDATE '.$TABLECOURSUSER.' SET sort = sort+1 WHERE user_id= "'.$user_id.'" AND user_course_cat="0"');
             }
         }
         return $course_sort;
@@ -2474,8 +2474,8 @@ 
      */
     public static function course_exists($course_code)
     {
-        $sql = 'SELECT 1 FROM ' . Database::get_main_table(TABLE_MAIN_COURSE) . '
-                WHERE code="' . Database::escape_string($course_code) . '"';
+        $sql = 'SELECT 1 FROM '.Database::get_main_table(TABLE_MAIN_COURSE).'
+                WHERE code="' . Database::escape_string($course_code).'"';
 
         return Database::num_rows(Database::query($sql));
     }
@@ -2500,8 +2500,8 @@ 
         $student = api_get_user_info($user_id);
 
         $name_course = $information['title'];
-        $sql = "SELECT * FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . " 
-                WHERE c_id ='" . $courseId . "'";
+        $sql = "SELECT * FROM ".Database::get_main_table(TABLE_MAIN_COURSE_USER)." 
+                WHERE c_id ='" . $courseId."'";
 
         // TODO: Ivan: This is a mistake, please, have a look at it. Intention here is diffcult to be guessed.
         //if ($send_to_tutor_also = true)
@@ -2516,18 +2516,18 @@ 
         while ($row = Database::fetch_array($result)) {
             $tutor = api_get_user_info($row['user_id']);
             $emailto = $tutor['email'];
-            $emailsubject = get_lang('NewUserInTheCourse') . ': ' . $name_course;
-            $emailbody = get_lang('Dear') . ': ' . api_get_person_name($tutor['firstname'], $tutor['lastname']) . "\n";
-            $emailbody .= get_lang('MessageNewUserInTheCourse') . ': ' . $name_course . "\n";
-            $emailbody .= get_lang('UserName') . ': ' . $student['username'] . "\n";
+            $emailsubject = get_lang('NewUserInTheCourse').': '.$name_course;
+            $emailbody = get_lang('Dear').': '.api_get_person_name($tutor['firstname'], $tutor['lastname'])."\n";
+            $emailbody .= get_lang('MessageNewUserInTheCourse').': '.$name_course."\n";
+            $emailbody .= get_lang('UserName').': '.$student['username']."\n";
             if (api_is_western_name_order()) {
-                $emailbody .= get_lang('FirstName') . ': ' . $student['firstname'] . "\n";
-                $emailbody .= get_lang('LastName') . ': ' . $student['lastname'] . "\n";
+                $emailbody .= get_lang('FirstName').': '.$student['firstname']."\n";
+                $emailbody .= get_lang('LastName').': '.$student['lastname']."\n";
             } else {
-                $emailbody .= get_lang('LastName') . ': ' . $student['lastname'] . "\n";
-                $emailbody .= get_lang('FirstName') . ': ' . $student['firstname'] . "\n";
+                $emailbody .= get_lang('LastName').': '.$student['lastname']."\n";
+                $emailbody .= get_lang('FirstName').': '.$student['firstname']."\n";
             }
-            $emailbody .= get_lang('Email') . ': <a href="mailto:' . $student['email'] . '">' . $student['email'] ."</a>\n\n";
+            $emailbody .= get_lang('Email').': <a href="mailto:'.$student['email'].'">'.$student['email']."</a>\n\n";
             $recipient_name = api_get_person_name($tutor['firstname'], $tutor['lastname'], null,
                 PERSON_NAME_EMAIL_ADDRESS);
             $sender_name = api_get_person_name(api_get_setting('administratorName'),
@@ -2681,9 +2681,9 @@ 
         } else {
             $with_special_courses = $without_special_courses = '';
             if (!empty($special_course_list)) {
-                $sc_string = '"' . implode('","', $special_course_list) . '"';
-                $with_special_courses = ' course.id IN (' . $sc_string . ')';
-                $without_special_courses = ' AND course.id NOT IN (' . $sc_string . ')';
+                $sc_string = '"'.implode('","', $special_course_list).'"';
+                $with_special_courses = ' course.id IN ('.$sc_string.')';
+                $without_special_courses = ' AND course.id NOT IN ('.$sc_string.')';
             }
 
             if (!empty($with_special_courses)) {
@@ -2727,8 +2727,8 @@ 
 
         if ($include_sessions === true) {
             $sql = "SELECT DISTINCT(c.code), c.id as real_id
-                    FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER) . " s,
-                    " . Database::get_main_table(TABLE_MAIN_COURSE) . " c
+                    FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)." s,
+                    " . Database::get_main_table(TABLE_MAIN_COURSE)." c
                     WHERE user_id = $user_id AND s.c_id = c.id";
             $r = Database::query($sql);
             while ($row = Database::fetch_array($r, 'ASSOC')) {
@@ -2750,7 +2750,7 @@ 
     public static function get_course_id_from_path($path)
     {
         $path = Database::escape_string(str_replace('.', '', str_replace('/', '', $path)));
-        $res = Database::query("SELECT code FROM " . Database::get_main_table(TABLE_MAIN_COURSE) . "
+        $res = Database::query("SELECT code FROM ".Database::get_main_table(TABLE_MAIN_COURSE)."
                 WHERE directory LIKE BINARY '$path'");
         if ($res === false) {
             return false;
@@ -2772,8 +2772,8 @@ 
     public static function get_courses_info_from_visual_code($code)
     {
         $result = array();
-        $sql_result = Database::query("SELECT * FROM " . Database::get_main_table(TABLE_MAIN_COURSE) . "
-                WHERE visual_code = '" . Database::escape_string($code) . "'");
+        $sql_result = Database::query("SELECT * FROM ".Database::get_main_table(TABLE_MAIN_COURSE)."
+                WHERE visual_code = '" . Database::escape_string($code)."'");
         while ($virtual_course = Database::fetch_array($sql_result)) {
             $result[] = $virtual_course;
         }
@@ -2790,10 +2790,10 @@ 
     public static function get_emails_of_tutors_to_course($courseId)
     {
         $list = array();
-        $res = Database::query("SELECT user_id FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . "
-                WHERE c_id ='" . intval($courseId) . "' AND status=1");
+        $res = Database::query("SELECT user_id FROM ".Database::get_main_table(TABLE_MAIN_COURSE_USER)."
+                WHERE c_id ='" . intval($courseId)."' AND status=1");
         while ($list_users = Database::fetch_array($res)) {
-            $result = Database::query("SELECT * FROM " . Database::get_main_table(TABLE_MAIN_USER) . "
+            $result = Database::query("SELECT * FROM ".Database::get_main_table(TABLE_MAIN_USER)."
                     WHERE user_id=" . $list_users['user_id']);
             while ($row_user = Database::fetch_array($result)) {
                 $name_teacher = api_get_person_name($row_user['firstname'], $row_user['lastname']);
@@ -2837,7 +2837,7 @@ 
             }
 
             $sql = "SELECT firstname, lastname, email FROM $tbl_user
-                    WHERE user_id IN (" . implode(",", $user_ids) . ")";
+                    WHERE user_id IN (".implode(",", $user_ids).")";
             $rs_user = Database::query($sql);
 
             while ($row_emails = Database::fetch_array($rs_user)) {
@@ -2886,9 +2886,9 @@ 
      */
     public static function update_attribute($id, $name, $value)
     {
-        $id = (int)$id;
+        $id = (int) $id;
         $table = Database::get_main_table(TABLE_MAIN_COURSE);
-        $sql = "UPDATE $table SET $name = '" . Database::escape_string($value) . "'
+        $sql = "UPDATE $table SET $name = '".Database::escape_string($value)."'
                 WHERE id = '$id'";
 
         return Database::query($sql);
@@ -2904,7 +2904,7 @@ 
      */
     public static function update_attributes($id, $attributes)
     {
-        $id = (int)$id;
+        $id = (int) $id;
         $table = Database::get_main_table(TABLE_MAIN_COURSE);
         $sql = "UPDATE $table SET ";
         $i = 0;
@@ -2913,7 +2913,7 @@ 
                 if ($i > 0) {
                     $sql .= ", ";
                 }
-                $sql .= " $name = '" . Database::escape_string($value) . "'";
+                $sql .= " $name = '".Database::escape_string($value)."'";
                 $i++;
             }
         }
@@ -2955,10 +2955,10 @@ 
         }
 
         $sql = 'SELECT sc.id session_category
-                FROM ' . Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY) . ' sc
-                INNER JOIN ' . Database::get_main_table(TABLE_MAIN_SESSION) . ' s
+                FROM ' . Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY).' sc
+                INNER JOIN ' . Database::get_main_table(TABLE_MAIN_SESSION).' s
                 ON sc.id = s.session_category_id 
-                WHERE s.id="' . intval($session_id) . '"';
+                WHERE s.id="' . intval($session_id).'"';
 
         return Database::result(
             Database::query($sql),
@@ -3004,13 +3004,13 @@ 
                 $data .= '<div class="sectiontitle">';
                 if (api_is_allowed_to_edit() && $action_show) {
                     //delete
-                    $data .= '<a href="' . api_get_self() . '?' . api_get_cidreq() . '&action=delete&description_id=' . $description->id . '" onclick="javascript:if(!confirm(\'' . addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),
-                                ENT_QUOTES, $charset)) . '\')) return false;">';
+                    $data .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=delete&description_id='.$description->id.'" onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),
+                                ENT_QUOTES, $charset)).'\')) return false;">';
                     $data .= Display::return_icon('delete.gif', get_lang('Delete'),
                         array('style' => 'vertical-align:middle;float:right;'));
                     $data .= '</a> ';
                     //edit
-                    $data .= '<a href="' . api_get_self() . '?' . api_get_cidreq() . '&description_id=' . $description->id . '">';
+                    $data .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&description_id='.$description->id.'">';
                     $data .= Display::return_icon('edit.png', get_lang('Edit'),
                         array('style' => 'vertical-align:middle;float:right; padding-right:4px;'), ICON_SIZE_SMALL);
                     $data .= '</a> ';
@@ -3022,7 +3022,7 @@ 
                 $data .= '</div>';
             }
         } else {
-            $data .= '<em>' . get_lang('ThisCourseDescriptionIsEmpty') . '</em>';
+            $data .= '<em>'.get_lang('ThisCourseDescriptionIsEmpty').'</em>';
         }
 
         return $data;
@@ -3109,11 +3109,11 @@ 
                     ON (a.c_id = s.c_id)
                     WHERE
                         user_id = $hr_manager_id AND
-                        relation_type=" . COURSE_RELATION_TYPE_RRHH . " AND
-                        access_url_id = " . api_get_current_access_url_id() . "";
+                        relation_type=".COURSE_RELATION_TYPE_RRHH." AND
+                        access_url_id = " . api_get_current_access_url_id()."";
         } else {
             $sql = "SELECT c_id FROM $tbl_course_rel_user
-                    WHERE user_id = $hr_manager_id AND relation_type=" . COURSE_RELATION_TYPE_RRHH . " ";
+                    WHERE user_id = $hr_manager_id AND relation_type=".COURSE_RELATION_TYPE_RRHH." ";
         }
         $result = Database::query($sql);
         if (Database::num_rows($result) > 0) {
@@ -3122,7 +3122,7 @@ 
                         WHERE
                             c_id = '{$row['c_id']}' AND
                             user_id = $hr_manager_id AND
-                            relation_type=" . COURSE_RELATION_TYPE_RRHH . " ";
+                            relation_type=".COURSE_RELATION_TYPE_RRHH." ";
                 Database::query($sql);
             }
         }
@@ -3133,7 +3133,7 @@ 
                 $courseInfo = api_get_course_info($course_code);
                 $courseId = $courseInfo['real_id'];
                 $sql = "INSERT IGNORE INTO $tbl_course_rel_user(c_id, user_id, status, relation_type)
-                        VALUES($courseId, $hr_manager_id, '" . DRH . "', '" . COURSE_RELATION_TYPE_RRHH . "')";
+                        VALUES($courseId, $hr_manager_id, '".DRH."', '".COURSE_RELATION_TYPE_RRHH."')";
                 $result = Database::query($sql);
                 if (Database::affected_rows($result)) {
                     $affected_rows++;
@@ -3216,16 +3216,16 @@ 
             case COURSEMANAGER:
                 $whereConditions .= " AND cru.user_id = '$user_id'";
                 if (!$showAllAssignedCourses) {
-                    $whereConditions .= " AND status = " . COURSEMANAGER;
+                    $whereConditions .= " AND status = ".COURSEMANAGER;
                 } else {
-                    $whereConditions .= " AND relation_type = " . COURSE_RELATION_TYPE_COURSE_MANAGER;
+                    $whereConditions .= " AND relation_type = ".COURSE_RELATION_TYPE_COURSE_MANAGER;
                 }
                 break;
             case DRH:
                 $whereConditions .= " AND
                     cru.user_id = '$user_id' AND
-                    status = " . DRH . " AND
-                    relation_type = '" . COURSE_RELATION_TYPE_RRHH . "'
+                    status = ".DRH." AND
+                    relation_type = '" . COURSE_RELATION_TYPE_RRHH."'
                 ";
                 break;
         }
@@ -3246,7 +3246,7 @@ 
                 );
                 if (!empty($courseList)) {
                     $courseListToString = implode("','", array_keys($courseList));
-                    $whereConditions .= " AND c.id IN ('" . $courseListToString . "')";
+                    $whereConditions .= " AND c.id IN ('".$courseListToString."')";
                 }
                 $tableSessionRelCourse = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
                 $orderBy = ' ORDER BY position';
@@ -3262,7 +3262,7 @@ 
                     INNER JOIN $tbl_course_rel_access_url a ON (a.c_id = c.id)
                     $extraInnerJoin
                 WHERE
-                    access_url_id = " . api_get_current_access_url_id() . "
+                    access_url_id = ".api_get_current_access_url_id()."
                     $whereConditions
                 $orderBy
                 ";
@@ -3323,10 +3323,10 @@ 
     {
         $course_info = api_get_course_info($course_code);
         // course path
-        $store_path = api_get_path(SYS_COURSE_PATH) . $course_info['path'];
+        $store_path = api_get_path(SYS_COURSE_PATH).$course_info['path'];
         // image name for courses
-        $course_image = $store_path . '/course-pic.png';
-        $course_medium_image = $store_path . '/course-pic85x85.png';
+        $course_image = $store_path.'/course-pic.png';
+        $course_medium_image = $store_path.'/course-pic85x85.png';
 
         if (file_exists($course_image)) {
             unlink($course_image);
@@ -3360,11 +3360,11 @@ 
     {
         $course_info = api_get_course_info($courseCode);
         // course path
-        $storePath = api_get_path(SYS_COURSE_PATH) . $course_info['path'];
+        $storePath = api_get_path(SYS_COURSE_PATH).$course_info['path'];
         // image name for courses
-        $courseImage = $storePath . '/course-pic.png';
-        $courseMediumImage = $storePath . '/course-pic85x85.png';
-        $courseSmallImage = $storePath . '/course-pic32.png';
+        $courseImage = $storePath.'/course-pic.png';
+        $courseMediumImage = $storePath.'/course-pic85x85.png';
+        $courseSmallImage = $storePath.'/course-pic32.png';
 
         if (file_exists($courseImage)) {
             unlink($courseImage);
@@ -3392,26 +3392,26 @@ 
 
         $notifications = isset($params['notifications']) ? $params['notifications'] : null;
 
-        $html .= '<h3>' . $params['title'] . $notifications . '</h3> ';
+        $html .= '<h3>'.$params['title'].$notifications.'</h3> ';
 
         if (isset($params['description'])) {
-            $html .= '<p>' . $params['description'] . '</p>';
+            $html .= '<p>'.$params['description'].'</p>';
         }
         if (!empty($params['subtitle'])) {
-            $html .= '<small>' . $params['subtitle'] . '</small>';
+            $html .= '<small>'.$params['subtitle'].'</small>';
         }
         if (!empty($params['teachers'])) {
-            $html .= '<h5 class="teacher">' . Display::return_icon('teacher.png', get_lang('Teacher'), array(),
-                    ICON_SIZE_TINY) . $params['teachers'] . '</h5>';
+            $html .= '<h5 class="teacher">'.Display::return_icon('teacher.png', get_lang('Teacher'), array(),
+                    ICON_SIZE_TINY).$params['teachers'].'</h5>';
         }
         if (!empty($params['coaches'])) {
-            $html .= '<h5 class="teacher">' . Display::return_icon('teacher.png', get_lang('Coach'), array(),
-                    ICON_SIZE_TINY) . $params['coaches'] . '</h5>';
+            $html .= '<h5 class="teacher">'.Display::return_icon('teacher.png', get_lang('Coach'), array(),
+                    ICON_SIZE_TINY).$params['coaches'].'</h5>';
         }
 
         $html .= '</div>';
         $params['right_actions'] = isset($params['right_actions']) ? $params['right_actions'] : null;
-        $html .= '<div class="pull-right course-box-actions">' . $params['right_actions'] . '</div>';
+        $html .= '<div class="pull-right course-box-actions">'.$params['right_actions'].'</div>';
         $html .= '</div>';
         $html .= '</div>';
 
@@ -3428,11 +3428,11 @@ 
         $html = '';
         $html .= '<div class="row">';
         $html .= '<div class="col-md-2">';
-        if (!empty($params['link'])){
+        if (!empty($params['link'])) {
             $html .= '<a class="thumbnail" href="'.$params['link'].'">';
             $html .= $params['icon'];
             $html .= '</a>';
-        }else{
+        } else {
             $html .= $params['icon'];
         }
         $html .= '</div>';
@@ -3462,7 +3462,7 @@ 
         $special_course_list = self::get_special_course_list();
         $with_special_courses = '';
         if (!empty($special_course_list)) {
-            $with_special_courses = ' AND course.id IN ("' . implode('","', $special_course_list) . '")';
+            $with_special_courses = ' AND course.id IN ("'.implode('","', $special_course_list).'")';
         }
 
         $courseList = [];
@@ -3506,27 +3506,27 @@ 
                     $params['edit_actions'] = '';
                     $params['document'] = '';
                     if (api_is_platform_admin()) {
-                        $params['edit_actions'] .= api_get_path(WEB_CODE_PATH) . 'course_info/infocours.php?cidReq=' . $course['code'];
+                        $params['edit_actions'] .= api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'];
                         if ($load_dirs) {
-                            $params['document'] = '<a id="document_preview_' . $course_info['real_id'] . '_0" class="document_preview btn btn-default btn-sm" href="javascript:void(0);">'
-                               . Display::returnFontAwesomeIcon('folder-open') . '</a>';
-                            $params['document'] .= Display::div('', ['id' => 'document_result_' . $course_info['real_id'] . '_0', 'class' => 'document_preview_container']);
+                            $params['document'] = '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview btn btn-default btn-sm" href="javascript:void(0);">'
+                               . Display::returnFontAwesomeIcon('folder-open').'</a>';
+                            $params['document'] .= Display::div('', ['id' => 'document_result_'.$course_info['real_id'].'_0', 'class' => 'document_preview_container']);
                         }
                     } else {
                         if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED && $load_dirs) {
-                            $params['document'] = '<a id="document_preview_' . $course_info['real_id'] . '_0" class="document_preview btn btn-default btn-sm" href="javascript:void(0);">'
-                               . Display::returnFontAwesomeIcon('folder-open') . '</a>';
-                            $params['document'] .= Display::div('', ['id' => 'document_result_' . $course_info['real_id'] . '_0', 'class' => 'document_preview_container']);
+                            $params['document'] = '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview btn btn-default btn-sm" href="javascript:void(0);">'
+                               . Display::returnFontAwesomeIcon('folder-open').'</a>';
+                            $params['document'] .= Display::div('', ['id' => 'document_result_'.$course_info['real_id'].'_0', 'class' => 'document_preview_container']);
                         }
                     }
 
                     $params['visibility'] = $course_info['visibility'];
                     $params['status'] = $course_info['status'];
                     $params['category'] = $course_info['categoryName'];
-                    $params['icon'] = Display::return_icon('drawing-pin.png',null, null, ICON_SIZE_LARGE, null);
+                    $params['icon'] = Display::return_icon('drawing-pin.png', null, null, ICON_SIZE_LARGE, null);
 
                     if (api_get_setting('display_coursecode_in_courselist') == 'true') {
-                        $params['code_course']  = '(' . $course_info['visual_code'] . ')';
+                        $params['code_course'] = '('.$course_info['visual_code'].')';
                     }
 
                     $params['title'] = $course_info['title'];
@@ -3571,7 +3571,7 @@ 
         // Step 1: We get all the categories of the user
         $table = Database::get_main_table(TABLE_USER_COURSE_CATEGORY);
         $sql = "SELECT id, title FROM $table
-                WHERE user_id = '" . $user_id . "'
+                WHERE user_id = '".$user_id."'
                 ORDER BY sort ASC";
 
         $result = Database::query($sql);
@@ -3625,7 +3625,7 @@ 
 
         $without_special_courses = '';
         if (!empty($special_course_list)) {
-            $without_special_courses = ' AND course.id NOT IN ("' . implode('","', $special_course_list) . '")';
+            $without_special_courses = ' AND course.id NOT IN ("'.implode('","', $special_course_list).'")';
         }
 
         $sql = "SELECT
@@ -3637,14 +3637,14 @@ 
                 INNER JOIN $TABLE_ACCESS_URL_REL_COURSE url
                 ON (url.c_id = course.id)
                 WHERE
-                    course_rel_user.user_id = '" . $user_id . "' AND
-                    course_rel_user.user_course_cat = '" . $user_category_id . "'
+                    course_rel_user.user_id = '".$user_id."' AND
+                    course_rel_user.user_course_cat = '" . $user_category_id."'
                     $without_special_courses ";
 
         // If multiple URL access mode is enabled, only fetch courses
         // corresponding to the current URL.
         if (api_get_multiple_access_url() && $current_url_id != -1) {
-            $sql .= " AND url.c_id = course.id AND access_url_id='" . $current_url_id . "'";
+            $sql .= " AND url.c_id = course.id AND access_url_id='".$current_url_id."'";
         }
         // Use user's classification for courses (if any).
         $sql .= " ORDER BY course_rel_user.user_course_cat, course_rel_user.sort ASC";
@@ -3680,28 +3680,28 @@ 
             if ($showCustomIcon === 'true' && $iconName != 'course.png') {
                 $thumbnails = $course_info['course_image'];
                 $image = $course_info['course_image_large'];
-            }else{
-                $image = Display::return_icon('session_default.png', null, null, null,null, true);
+            } else {
+                $image = Display::return_icon('session_default.png', null, null, null, null, true);
             }
 
             $params['course_id'] = $course_info['real_id'];
             $params['edit_actions'] = '';
             $params['document'] = '';
             if (api_is_platform_admin()) {
-                $params['edit_actions'] .= api_get_path(WEB_CODE_PATH) . 'course_info/infocours.php?cidReq=' . $course_info['code'];
+                $params['edit_actions'] .= api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course_info['code'];
                 if ($load_dirs) {
-                    $params['document'] = '<a id="document_preview_' . $course_info['real_id'] . '_0" class="document_preview btn btn-default btn-sm" href="javascript:void(0);">'
-                               . Display::returnFontAwesomeIcon('folder-open') . '</a>';
-                    $params['document'] .= Display::div('', array('id' => 'document_result_' . $course_info['real_id'] . '_0', 'class' => 'document_preview_container'));
+                    $params['document'] = '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview btn btn-default btn-sm" href="javascript:void(0);">'
+                               . Display::returnFontAwesomeIcon('folder-open').'</a>';
+                    $params['document'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_0', 'class' => 'document_preview_container'));
                 }
             }
             if ($load_dirs) {
-                $params['document'] = '<a id="document_preview_' . $course_info['real_id'] . '_0" class="document_preview btn btn-default btn-sm" href="javascript:void(0);">'
-                    . Display::returnFontAwesomeIcon('folder-open') . '</a>';
-                $params['document'] .= Display::div('', array('id' => 'document_result_' . $course_info['real_id'] . '_0', 'class' => 'document_preview_container'));
+                $params['document'] = '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview btn btn-default btn-sm" href="javascript:void(0);">'
+                    . Display::returnFontAwesomeIcon('folder-open').'</a>';
+                $params['document'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_0', 'class' => 'document_preview_container'));
             }
 
-            $courseUrl = api_get_path(WEB_COURSE_PATH) . $course_info['path'] . '/index.php?id_session=0';
+            $courseUrl = api_get_path(WEB_COURSE_PATH).$course_info['path'].'/index.php?id_session=0';
             $teachers = [];
             if (api_get_setting('display_teacher_in_courselist') === 'true') {
                 $teachers = CourseManager::getTeachersFromCourse($course_info['real_id'], false);
@@ -3709,7 +3709,7 @@ 
 
             $params['status'] = $row['status'];
             if (api_get_setting('display_coursecode_in_courselist') == 'true') {
-                $params['code_course'] = '(' . $course_info['visual_code'] . ') ';
+                $params['code_course'] = '('.$course_info['visual_code'].') ';
             }
 
             $params['visibility'] = $course_info['visibility'];
@@ -3753,7 +3753,7 @@ 
 
         $without_special_courses = '';
         if (!empty($special_course_list)) {
-            $without_special_courses = ' AND course.id NOT IN ("' . implode('","', $special_course_list) . '")';
+            $without_special_courses = ' AND course.id NOT IN ("'.implode('","', $special_course_list).'")';
         }
 
         $sql = "SELECT
@@ -3771,14 +3771,14 @@ 
                 INNER JOIN $TABLE_ACCESS_URL_REL_COURSE url
                 ON (url.c_id = course.id)
                 WHERE
-                    course_rel_user.user_id = '" . $user_id . "' AND
-                    course_rel_user.user_course_cat = '" . $user_category_id . "'
+                    course_rel_user.user_id = '".$user_id."' AND
+                    course_rel_user.user_course_cat = '" . $user_category_id."'
                     $without_special_courses ";
 
         // If multiple URL access mode is enabled, only fetch courses
         // corresponding to the current URL.
         if (api_get_multiple_access_url() && $current_url_id != -1) {
-            $sql .= " AND url.c_id = course.id AND access_url_id='" . $current_url_id . "'";
+            $sql .= " AND url.c_id = course.id AND access_url_id='".$current_url_id."'";
         }
         // Use user's classification for courses (if any).
         $sql .= " ORDER BY course_rel_user.user_course_cat, course_rel_user.sort ASC";
@@ -3807,28 +3807,28 @@ 
             if ($showCustomIcon === 'true' && $iconName != 'course.png') {
                 $thumbnails = $course_info['course_image'];
                 $image = $course_info['course_image_large'];
-            }else{
-                $image = Display::return_icon('session_default.png', null, null, null,null, true);
+            } else {
+                $image = Display::return_icon('session_default.png', null, null, null, null, true);
             }
 
             $params = array();
             $params['edit_actions'] = '';
             $params['document'] = '';
             if (api_is_platform_admin()) {
-                $params['edit_actions'] .= api_get_path(WEB_CODE_PATH) . 'course_info/infocours.php?cidReq=' . $course_info['code'];
-                if($load_dirs){
-                    $params['document'] = '<a id="document_preview_' . $course_info['real_id'] . '_0" class="document_preview btn btn-default btn-sm" href="javascript:void(0);">'
-                               . Display::returnFontAwesomeIcon('folder-open') . '</a>';
-                    $params['document'] .= Display::div('', array('id' => 'document_result_' . $course_info['real_id'] . '_0', 'class' => 'document_preview_container'));
+                $params['edit_actions'] .= api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course_info['code'];
+                if ($load_dirs) {
+                    $params['document'] = '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview btn btn-default btn-sm" href="javascript:void(0);">'
+                               . Display::returnFontAwesomeIcon('folder-open').'</a>';
+                    $params['document'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_0', 'class' => 'document_preview_container'));
                 }
             }
             if ($load_dirs) {
-                $params['document'] = '<a id="document_preview_' . $course_info['real_id'] . '_0" class="document_preview btn btn-default btn-sm" href="javascript:void(0);">'
-                    . Display::returnFontAwesomeIcon('folder-open') . '</a>';
-                $params['document'] .= Display::div('', array('id' => 'document_result_' . $course_info['real_id'] . '_0', 'class' => 'document_preview_container'));
+                $params['document'] = '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview btn btn-default btn-sm" href="javascript:void(0);">'
+                    . Display::returnFontAwesomeIcon('folder-open').'</a>';
+                $params['document'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_0', 'class' => 'document_preview_container'));
             }
 
-            $course_title_url = api_get_path(WEB_COURSE_PATH) . $course_info['path'] . '/index.php?id_session=0';
+            $course_title_url = api_get_path(WEB_COURSE_PATH).$course_info['path'].'/index.php?id_session=0';
 
             $teachers = [];
             if (api_get_setting('display_teacher_in_courselist') === 'true') {
@@ -3837,7 +3837,7 @@ 
             $params['status'] = $row['status'];
 
             if (api_get_setting('display_coursecode_in_courselist') == 'true') {
-                $params['code_course'] = '(' . $course_info['visual_code'] . ') ';
+                $params['code_course'] = '('.$course_info['visual_code'].') ';
             }
 
             $params['visibility'] = $course_info['visibility'];
@@ -4026,15 +4026,15 @@ 
                 }
 
                 if ($userInCourseStatus == COURSEMANAGER || $sessionCourseAvailable) {
-                    $session_url = $course_info['course_public_url'] . '?id_session=' . $course_info['id_session'];
-                    $session_title = '<a href="' . $session_url. '">'. $course_info['name'] . '</a>'.$notifications;
+                    $session_url = $course_info['course_public_url'].'?id_session='.$course_info['id_session'];
+                    $session_title = '<a href="'.$session_url.'">'.$course_info['name'].'</a>'.$notifications;
                 } else {
                     $session_title = $course_info['name'];
                 }
 
             } else {
                 $session_title =
-                    $course_info['name'] . ' ' .
+                    $course_info['name'].' '.
                     Display::tag('span', get_lang('CourseClosed'), array('class' => 'item_closed'));
             }
         } else {
@@ -4050,7 +4050,7 @@ 
             $thumbnails = $course_info['course_image'];
             $image = $course_info['course_image_large'];
         } else {
-            $image = Display::return_icon('session_default.png', null, null, null,null, true);
+            $image = Display::return_icon('session_default.png', null, null, null, null, true);
         }
         $params['thumbnails'] = $thumbnails;
         $params['image'] = $image;
@@ -4063,12 +4063,12 @@ 
             $course_visibility != COURSE_VISIBILITY_HIDDEN
         ) {
             if (api_is_platform_admin()) {
-                $params['edit_actions'] .= api_get_path(WEB_CODE_PATH) . 'course_info/infocours.php?cidReq=' . $course_info['code'];
+                $params['edit_actions'] .= api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course_info['code'];
                 if ($load_dirs) {
-                    $params['document'] .= '<a id="document_preview_' . $course_info['real_id'] . '_' . $course_info['id_session'] . '" class="document_preview btn btn-default btn-sm" href="javascript:void(0);">' .
-                        Display::returnFontAwesomeIcon('folder-open') . '</a>';
+                    $params['document'] .= '<a id="document_preview_'.$course_info['real_id'].'_'.$course_info['id_session'].'" class="document_preview btn btn-default btn-sm" href="javascript:void(0);">'.
+                        Display::returnFontAwesomeIcon('folder-open').'</a>';
                     $params['document'] .= Display::div('', array(
-                        'id' => 'document_result_' . $course_info['real_id'] . '_' . $course_info['id_session'],
+                        'id' => 'document_result_'.$course_info['real_id'].'_'.$course_info['id_session'],
                         'class' => 'document_preview_container'
                     ));
                 }
@@ -4076,7 +4076,7 @@ 
         }
 
         if (api_get_setting('display_coursecode_in_courselist') === 'true') {
-            $session_title .= ' (' . $course_info['visual_code'] . ') ';
+            $session_title .= ' ('.$course_info['visual_code'].') ';
         }
 
         if (api_get_setting('display_teacher_in_courselist') === 'true') {
@@ -4098,7 +4098,7 @@ 
             }
         }
 
-        $session_title .= isset($course['special_course']) ? ' ' .
+        $session_title .= isset($course['special_course']) ? ' '.
                           Display::return_icon('klipper.png', get_lang('CourseAutoRegister')) : '';
 
         $params['title'] = $session_title;
@@ -4125,13 +4125,13 @@ 
                 ) {
                     $session['dates'] = '';
                     if (api_get_setting('show_session_coach') === 'true') {
-                        $session['coach'] = get_lang('GeneralCoach') . ': ' . $sessionCoachName;
+                        $session['coach'] = get_lang('GeneralCoach').': '.$sessionCoachName;
                     }
                     $active = true;
                 } else {
-                    $session ['dates'] = ' - ' . get_lang('From') . ' ' . $session['access_start_date'] . ' ' . get_lang('To') . ' ' . $session['access_end_date'];
+                    $session ['dates'] = ' - '.get_lang('From').' '.$session['access_start_date'].' '.get_lang('To').' '.$session['access_end_date'];
                     if (api_get_setting('show_session_coach') === 'true') {
-                        $session['coach'] = get_lang('GeneralCoach') . ': ' . $sessionCoachName;
+                        $session['coach'] = get_lang('GeneralCoach').': '.$sessionCoachName;
                     }
                     $date_start = $session['access_start_date'];
                     $date_end = $session['access_end_date'];
@@ -4264,7 +4264,7 @@ 
             if (Database::num_rows($result) > 0) {
                 $row = Database::fetch_array($result);
                 $count = $row['count'] + 1;
-                $wanted_code = $wanted_code . '_' . $count;
+                $wanted_code = $wanted_code.'_'.$count;
                 $result = api_get_course_info($wanted_code);
                 if (empty($result)) {
                     return $wanted_code;
@@ -4298,7 +4298,7 @@ 
         $enabled = api_get_plugin_setting('courselegal', 'tool_enable');
 
         if ($enabled == 'true') {
-            require_once api_get_path(SYS_PLUGIN_PATH) . 'courselegal/config.php';
+            require_once api_get_path(SYS_PLUGIN_PATH).'courselegal/config.php';
             $plugin = CourseLegalPlugin::create();
             return $plugin->isUserAcceptedLegal($user_id, $course_code, $session_id);
         }
@@ -4343,7 +4343,7 @@ 
         $enabled = api_get_plugin_setting('courselegal', 'tool_enable');
 
         if ($enabled == 'true') {
-            require_once api_get_path(SYS_PLUGIN_PATH) . 'courselegal/config.php';
+            require_once api_get_path(SYS_PLUGIN_PATH).'courselegal/config.php';
             $plugin = CourseLegalPlugin::create();
             return $plugin->saveUserLegal($user_id, $course_code, $session_id);
         }
@@ -4685,10 +4685,10 @@ 
                 INNER JOIN $table_course_url u
                 ON u.c_id = c.id
                 WHERE
-                    u.access_url_id = " . api_get_current_access_url_id() . " AND
+                    u.access_url_id = ".api_get_current_access_url_id()." AND
                     login_course_date <= '$now' AND
                     login_course_date > DATE_SUB('$now', INTERVAL $days DAY) AND
-                    visibility <> '" . COURSE_VISIBILITY_CLOSED . "' AND visibility <> '" . COURSE_VISIBILITY_HIDDEN . "'
+                    visibility <> '".COURSE_VISIBILITY_CLOSED."' AND visibility <> '".COURSE_VISIBILITY_HIDDEN."'
                 GROUP BY a.c_id
                 ORDER BY course_count DESC
                 LIMIT $limit
@@ -4713,7 +4713,7 @@ 
     public static function process_hot_course_item($courses, $my_course_code_list = array())
     {
         $hotCourses = [];
-        $ajax_url = api_get_path(WEB_AJAX_PATH) . 'course.ajax.php?a=add_course_vote';
+        $ajax_url = api_get_path(WEB_AJAX_PATH).'course.ajax.php?a=add_course_vote';
         $stok = Security::get_existing_token();
         $user_id = api_get_user_id();
 
@@ -4759,7 +4759,7 @@ 
             if ($access_link && in_array('register', $access_link)) {
                 $my_course['register_button'] = Display::url(
                     Display::returnFontAwesomeIcon('sign-in'),
-                    api_get_path(WEB_COURSE_PATH) . $course_info['path'] . '/index.php?action=subscribe&sec_token=' . $stok,
+                    api_get_path(WEB_COURSE_PATH).$course_info['path'].'/index.php?action=subscribe&sec_token='.$stok,
                     array('class' => 'btn btn-success btn-sm', 'title' => get_lang('Subscribe')));
             }
 
@@ -4768,14 +4768,14 @@ 
             ) {
                 $my_course['go_to_course_button'] = Display::url(
                     Display::returnFontAwesomeIcon('share'),
-                    api_get_path(WEB_COURSE_PATH) . $course_info['path'] . '/index.php',
+                    api_get_path(WEB_COURSE_PATH).$course_info['path'].'/index.php',
                     array('class' => 'btn btn-default btn-sm', 'title' => get_lang('GoToCourse')));
             }
 
             if ($access_link && in_array('unsubscribe', $access_link)) {
                 $my_course['unsubscribe_button'] = Display::url(
                     Display::returnFontAwesomeIcon('sign-out'),
-                    api_get_path(WEB_CODE_PATH) . 'auth/courses.php?action=unsubscribe&unsubscribe=' . $courseCode . '&sec_token=' . $stok . '&category_code=' . $categoryCode,
+                    api_get_path(WEB_CODE_PATH).'auth/courses.php?action=unsubscribe&unsubscribe='.$courseCode.'&sec_token='.$stok.'&category_code='.$categoryCode,
                     array('class' => 'btn btn-danger btn-sm', 'title' => get_lang('Unreg')));
             }
 
@@ -4800,7 +4800,7 @@ 
             ) { */
                 $my_course['description_button'] = Display::url(
                     Display::returnFontAwesomeIcon('info-circle'),
-                    api_get_path(WEB_AJAX_PATH) . 'course_home.ajax.php?a=show_course_information&code=' . $course_info['code'],
+                    api_get_path(WEB_AJAX_PATH).'course_home.ajax.php?a=show_course_information&code='.$course_info['code'],
                     [
                         'class' => 'btn btn-default btn-sm ajax',
                         'data-title' => get_lang('Description'),
@@ -4811,8 +4811,8 @@ 
             /* get_lang('Description') */
             $my_course['teachers'] = CourseManager::getTeachersFromCourse($course_info['real_id'], false);
             $point_info = self::get_course_ranking($course_info['real_id'], 0);
-            $my_course['rating_html'] = Display::return_rating_system('star_' . $course_info['real_id'],
-                $ajax_url . '&course_id=' . $course_info['real_id'], $point_info);
+            $my_course['rating_html'] = Display::return_rating_system('star_'.$course_info['real_id'],
+                $ajax_url.'&course_id='.$course_info['real_id'], $point_info);
 
             $hotCourses[] = $my_course;
         }
@@ -4890,9 +4890,9 @@ 
                     WHERE
                         c.id = u.c_id AND
                         u.access_url_id = $urlId AND
-                        visibility <> " . COURSE_VISIBILITY_HIDDEN;
+                        visibility <> ".COURSE_VISIBILITY_HIDDEN;
         } else {
-            $sql .= " WHERE visibility <> " . COURSE_VISIBILITY_HIDDEN;
+            $sql .= " WHERE visibility <> ".COURSE_VISIBILITY_HIDDEN;
         }
         $res = Database::query($sql);
         $row = Database::fetch_row($res);
@@ -4917,16 +4917,16 @@ 
         $restrictedCourses = self::getCatalogueCourseList(true);
         $allowedCoursesToCurrentUser = self::getCatalogueCourseList(true, $currentUserId);
         if (!empty($restrictedCourses)) {
-            $visibilityCondition .= ' AND ('.$courseTableAlias.'.code NOT IN ("' . implode('","', $restrictedCourses) . '")';
-            $visibilityCondition .= ' OR '.$courseTableAlias.'.code IN ("' . implode('","', $allowedCoursesToCurrentUser) . '"))';
+            $visibilityCondition .= ' AND ('.$courseTableAlias.'.code NOT IN ("'.implode('","', $restrictedCourses).'")';
+            $visibilityCondition .= ' OR '.$courseTableAlias.'.code IN ("'.implode('","', $allowedCoursesToCurrentUser).'"))';
         }
 
         // Check if course have users denied to see it in the catalogue, then show only if current user is not denied to see it
         $restrictedCourses = self::getCatalogueCourseList(false);
         $notAllowedCoursesToCurrentUser = self::getCatalogueCourseList(false, $currentUserId);
         if (!empty($restrictedCourses)) {
-            $visibilityCondition .= ' AND ('.$courseTableAlias.'.code NOT IN ("' . implode('","', $restrictedCourses) . '")';
-            $visibilityCondition .= ' OR '.$courseTableAlias.'.code NOT IN ("' . implode('","', $notAllowedCoursesToCurrentUser) . '"))';
+            $visibilityCondition .= ' AND ('.$courseTableAlias.'.code NOT IN ("'.implode('","', $restrictedCourses).'")';
+            $visibilityCondition .= ' OR '.$courseTableAlias.'.code NOT IN ("'.implode('","', $notAllowedCoursesToCurrentUser).'"))';
         }
 
         return $visibilityCondition;
@@ -4946,7 +4946,7 @@ 
 
         $withoutSpecialCourses = '';
         if (!empty($specialCourseList)) {
-            $withoutSpecialCourses = ' AND c.id NOT IN ("' . implode('","', $specialCourseList) . '")';
+            $withoutSpecialCourses = ' AND c.id NOT IN ("'.implode('","', $specialCourseList).'")';
         }
 
         $visibilityCondition = self::getCourseVisibilitySQLCondition('c');
@@ -5080,12 +5080,12 @@ 
             if (count($teachers) > 0) {
                 foreach ($teachers as $key) {
                     $key = Database::escape_string($key);
-                    $cond .= " AND user_id <> '" . $key . "'";
+                    $cond .= " AND user_id <> '".$key."'";
                 }
             }
 
-            $sql = 'DELETE FROM ' . $course_user_table . '
-                    WHERE c_id ="' . $courseId . '" AND status="1" AND relation_type = 0 ' . $cond;
+            $sql = 'DELETE FROM '.$course_user_table.'
+                    WHERE c_id ="' . $courseId.'" AND status="1" AND relation_type = 0 '.$cond;
             Database::query($sql);
         }
 
@@ -5093,12 +5093,12 @@ 
             foreach ($teachers as $userId) {
                 $userId = intval($userId);
                 // We check if the teacher is already subscribed in this course
-                $sql = 'SELECT 1 FROM ' . $course_user_table . '
-                        WHERE user_id = "' . $userId . '" AND c_id = "' . $courseId . '" ';
+                $sql = 'SELECT 1 FROM '.$course_user_table.'
+                        WHERE user_id = "' . $userId.'" AND c_id = "'.$courseId.'" ';
                 $result = Database::query($sql);
                 if (Database::num_rows($result)) {
-                    $sql = 'UPDATE ' . $course_user_table . ' SET status = "1"
-                            WHERE c_id = "' . $courseId . '" AND user_id = "' . $userId . '"  ';
+                    $sql = 'UPDATE '.$course_user_table.' SET status = "1"
+                            WHERE c_id = "' . $courseId.'" AND user_id = "'.$userId.'"  ';
                 } else {
                     $userCourseCategory = '0';
                     if (isset($teacherBackup[$userId]) &&
@@ -5108,9 +5108,9 @@ 
                         $userCourseCategory = $courseUserData['user_course_cat'];
                     }
 
-                    $sql = "INSERT INTO " . $course_user_table . " SET
-                            c_id = " . $courseId . ",
-                            user_id = " . $userId . ",
+                    $sql = "INSERT INTO ".$course_user_table." SET
+                            c_id = " . $courseId.",
+                            user_id = " . $userId.",
                             status = '1',
                             is_tutor = '0',
                             sort = '0',
@@ -5462,8 +5462,8 @@ 
     {
         $tbl_main_categories = Database:: get_main_table(TABLE_MAIN_COURSE);
         $sql = 'SELECT title
-                FROM ' . $tbl_main_categories . '
-                WHERE code = "' . Database::escape_string($code) . '"';
+                FROM ' . $tbl_main_categories.'
+                WHERE code = "' . Database::escape_string($code).'"';
         $result = Database::query($sql);
         if ($col = Database::fetch_array($result)) {
             return $col['title'];
@@ -5644,7 +5644,7 @@ 
             foreach ($group_list as $this_group) {
                 if (is_array($to_already_selected)) {
                     if (!in_array(
-                        "GROUP:" . $this_group['id'],
+                        "GROUP:".$this_group['id'],
                         $to_already_selected
                     )
                     ) { // $to_already_selected is the array containing the groups (and users) that are already selected
@@ -5652,8 +5652,8 @@ 
                         $user_disabled = ($this_group['userNb'] > 0) ? "" : "disabled=disabled";
                         $result[] = array(
                             'disabled' => $user_disabled,
-                            'value' => "GROUP:" . $this_group['id'],
-                            'content' => "G: " . $this_group['name'] . " - " . $this_group['userNb'] . " " . $user_label
+                            'value' => "GROUP:".$this_group['id'],
+                            'content' => "G: ".$this_group['name']." - ".$this_group['userNb']." ".$user_label
                         );
                     }
                 }
@@ -5665,13 +5665,13 @@ 
             foreach ($user_list as $user) {
                 if (is_array($to_already_selected)) {
                     if (!in_array(
-                        "USER:" . $user['user_id'],
+                        "USER:".$user['user_id'],
                         $to_already_selected
                     )
                     ) { // $to_already_selected is the array containing the users (and groups) that are already selected
 
                         $result[] = array(
-                            'value' => "USER:" . $user['user_id'],
+                            'value' => "USER:".$user['user_id'],
                             'content' => api_get_person_name($user['firstname'], $user['lastname'])
                         );
                     }
@@ -5700,7 +5700,7 @@ 
     {
         $category_id = intval($category_id);
         $info = Database::fetch_array(
-            Database::query('SELECT course_code FROM ' . Database::get_main_table(TABLE_MAIN_GRADEBOOK_CATEGORY) . '
+            Database::query('SELECT course_code FROM '.Database::get_main_table(TABLE_MAIN_GRADEBOOK_CATEGORY).'
             WHERE id=' . $category_id), 'ASSOC'
         );
         return $info ? $info['course_code'] : false;
@@ -5716,15 +5716,14 @@ 
     public static function getCoursesWithoutSession($startDate = null, $endDate = null, $includeClosed = false)
     {
         $dateConditional = ($startDate && $endDate) ?
-            " WHERE session_id IN (SELECT id FROM " . Database::get_main_table(TABLE_MAIN_SESSION) .
-            " WHERE access_start_date = '$startDate' AND access_end_date = '$endDate')" :
-            null;
+            " WHERE session_id IN (SELECT id FROM ".Database::get_main_table(TABLE_MAIN_SESSION).
+            " WHERE access_start_date = '$startDate' AND access_end_date = '$endDate')" : null;
         $visibility = ($includeClosed ? '' : 'visibility NOT IN (0, 4) AND ');
 
         $query = "SELECT id, code, title
-                FROM " . Database::get_main_table(TABLE_MAIN_COURSE). "
+                FROM " . Database::get_main_table(TABLE_MAIN_COURSE)."
                 WHERE $visibility code NOT IN (
-                    SELECT DISTINCT course_code FROM " . Database::get_main_table(TABLE_MAIN_SESSION_COURSE) . $dateConditional . ")
+                    SELECT DISTINCT course_code FROM ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE).$dateConditional.")
                 ORDER BY id";
 
         $result = Database::query($query);
@@ -5757,7 +5756,7 @@ 
                 FROM $courseTable c
                 INNER JOIN $courseUserTable cru ON c.id = cru.c_id
                 WHERE (
-                    cru.user_id IN (" . implode(', ', $userIdList) . ")
+                    cru.user_id IN (".implode(', ', $userIdList).")
                     AND cru.relation_type = 0
                 )";
 
@@ -5772,7 +5771,7 @@ 
                         INNER JOIN $courseAccessUrlTable crau ON c.id = crau.c_id
                         WHERE crau.access_url_id = $accessUrlId
                             AND (
-                            cru.id_user IN (" . implode(', ', $userIdList) . ") AND
+                            cru.id_user IN (".implode(', ', $userIdList).") AND
                             cru.relation_type = 0
                         )";
             }
@@ -5825,7 +5824,7 @@ 
                         $result = $objExercise->read($exercise_redirect);
 
                         if (!empty($exercise_redirect) && !empty($result)) {
-                            $form_data['action'] = api_get_path(WEB_CODE_PATH) . 'exercise/overview.php?exerciseId='.$exercise_redirect.'&cidReq='.$course_info['code'];
+                            $form_data['action'] = api_get_path(WEB_CODE_PATH).'exercise/overview.php?exerciseId='.$exercise_redirect.'&cidReq='.$course_info['code'];
                             $form_data['message'] .= '<br />'.get_lang('YouCanAccessTheExercise');
                             $form_data['button'] = Display::button(
                                 'next',
@@ -5881,7 +5880,7 @@ 
 
         $without_special_courses = '';
         if (!empty($special_course_list)) {
-            $without_special_courses = ' AND course.id NOT IN ("'.implode('","',$special_course_list).'")';
+            $without_special_courses = ' AND course.id NOT IN ("'.implode('","', $special_course_list).'")';
         }
 
         //AND course_rel_user.relation_type<>".COURSE_RELATION_TYPE_RRHH."
@@ -5945,11 +5944,11 @@ 
 
         if (api_is_platform_admin()) {
             if ($loadDirs) {
-                $params['right_actions'] .= '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview" href="javascript:void(0);">'.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
-                $params['right_actions'] .= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
+                $params['right_actions'] .= '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview" href="javascript:void(0);">'.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'), ICON_SIZE_SMALL).'</a>';
+                $params['right_actions'] .= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'), ICON_SIZE_SMALL).'</a>';
                 $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_0', 'class'=>'document_preview_container'));
             } else {
-                $params['right_actions'].= '<a class="btn btn-default btn-sm" title="'.get_lang('Edit').'" href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::returnFontAwesomeIcon('pencil').'</a>';
+                $params['right_actions'] .= '<a class="btn btn-default btn-sm" title="'.get_lang('Edit').'" href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::returnFontAwesomeIcon('pencil').'</a>';
             }
 
             if ($course_info['status'] == COURSEMANAGER) {
@@ -5958,11 +5957,11 @@ 
         } else {
             if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED) {
                 if ($loadDirs) {
-                    $params['right_actions'] .= '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview" href="javascript:void(0);">'.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
+                    $params['right_actions'] .= '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview" href="javascript:void(0);">'.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'), ICON_SIZE_SMALL).'</a>';
                     $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_0', 'class'=>'document_preview_container'));
                 } else {
                     if ($course_info['status'] == COURSEMANAGER) {
-                        $params['right_actions'].= '<a class="btn btn-default btn-sm" title="'.get_lang('Edit').'" href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::returnFontAwesomeIcon('pencil').'</a>';
+                        $params['right_actions'] .= '<a class="btn btn-default btn-sm" title="'.get_lang('Edit').'" href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::returnFontAwesomeIcon('pencil').'</a>';
                     }
                 }
             }
@@ -5973,7 +5972,7 @@ 
             $course_title_url = api_get_path(WEB_COURSE_PATH).$course_info['path'].'/?id_session=0';
             $course_title = Display::url($course_info['title'], $course_title_url);
         } else {
-            $course_title = $course_info['title'].' '.Display::tag('span',get_lang('CourseClosed'), array('class'=>'item_closed'));
+            $course_title = $course_info['title'].' '.Display::tag('span', get_lang('CourseClosed'), array('class'=>'item_closed'));
         }
 
         // Start displaying the course block itself