chamilo / chamilo-lms

main/coursecopy/classes/CourseArchiver.class.php

Doc Comments +1 added lines, -1 removed lines

@@ -173,7 +173,7 @@
 
     /**
      * @param array $file
-     * @return bool|string
+     * @return string|false
      */
     public static function import_uploaded_file($file)
     {

Spacing +35 added lines, -35 removed lines

@@ -23,9 +23,9 @@ 
             while (($file = readdir($handle)) !== false) {
                 if ($file != "." && $file != ".." &&
                     strpos($file, 'CourseArchiver_') === 0 &&
-                    is_dir($dir . '/' . $file)
+                    is_dir($dir.'/'.$file)
                 ) {
-                    rmdirr($dir . '/' . $file);
+                    rmdirr($dir.'/'.$file);
                 }
             }
             closedir($handle);
@@ -43,48 +43,48 @@ 
         CourseArchiver::clean_backup_dir();
 
         // Create a temp directory
-        $tmp_dir_name = 'CourseArchiver_' . api_get_unique_id();
-        $backup_dir = api_get_path(SYS_ARCHIVE_PATH) . $tmp_dir_name . '/';
+        $tmp_dir_name = 'CourseArchiver_'.api_get_unique_id();
+        $backup_dir = api_get_path(SYS_ARCHIVE_PATH).$tmp_dir_name.'/';
 
         // All course-information will be stored in course_info.dat
-        $course_info_file = $backup_dir . 'course_info.dat';
+        $course_info_file = $backup_dir.'course_info.dat';
         $zip_dir = api_get_path(SYS_ARCHIVE_PATH);
         $user = api_get_user_info();
         $date = new DateTime(api_get_local_time());
-        $zip_file = $user['user_id'] . '_' . $course->code . '_' . $date->format('Ymd-His') . '.zip';
+        $zip_file = $user['user_id'].'_'.$course->code.'_'.$date->format('Ymd-His').'.zip';
         $php_errormsg = '';
         $res = @mkdir($backup_dir, $perm_dirs);
         if ($res === false) {
             //TODO set and handle an error message telling the user to review the permissions on the archive directory
-            error_log(__FILE__ . ' line ' . __LINE__ . ': ' . (ini_get('track_errors') != false ? $php_errormsg : 'error not recorded because track_errors is off in your php.ini') . ' - This error, occuring because your archive directory will not let this script write data into it, will prevent courses backups to be created', 0);
+            error_log(__FILE__.' line '.__LINE__.': '.(ini_get('track_errors') != false ? $php_errormsg : 'error not recorded because track_errors is off in your php.ini').' - This error, occuring because your archive directory will not let this script write data into it, will prevent courses backups to be created', 0);
         }
         // Write the course-object to the file
         $fp = @fopen($course_info_file, 'w');
         if ($fp === false) {
-            error_log(__FILE__ . ' line ' . __LINE__ . ': ' . (ini_get('track_errors') != false ? $php_errormsg : 'error not recorded because track_errors is off in your php.ini'), 0);
+            error_log(__FILE__.' line '.__LINE__.': '.(ini_get('track_errors') != false ? $php_errormsg : 'error not recorded because track_errors is off in your php.ini'), 0);
         }
 
         $res = @fwrite($fp, base64_encode(serialize($course)));
         if ($res === false) {
-            error_log(__FILE__ . ' line ' . __LINE__ . ': ' . (ini_get('track_errors') != false ? $php_errormsg : 'error not recorded because track_errors is off in your php.ini'), 0);
+            error_log(__FILE__.' line '.__LINE__.': '.(ini_get('track_errors') != false ? $php_errormsg : 'error not recorded because track_errors is off in your php.ini'), 0);
         }
 
         $res = @fclose($fp);
         if ($res === false) {
-            error_log(__FILE__ . ' line ' . __LINE__ . ': ' . (ini_get('track_errors') != false ? $php_errormsg : 'error not recorded because track_errors is off in your php.ini'), 0);
+            error_log(__FILE__.' line '.__LINE__.': '.(ini_get('track_errors') != false ? $php_errormsg : 'error not recorded because track_errors is off in your php.ini'), 0);
         }
 
         // Copy all documents to the temp-dir
         if (isset($course->resources[RESOURCE_DOCUMENT]) && is_array($course->resources[RESOURCE_DOCUMENT])) {
             foreach ($course->resources[RESOURCE_DOCUMENT] as $document) {
                 if ($document->file_type == DOCUMENT) {
-                    $doc_dir = $backup_dir . $document->path;
+                    $doc_dir = $backup_dir.$document->path;
                     @mkdir(dirname($doc_dir), $perm_dirs, true);
-                    if (file_exists($course->path . $document->path)) {
-                        copy($course->path . $document->path, $doc_dir);
+                    if (file_exists($course->path.$document->path)) {
+                        copy($course->path.$document->path, $doc_dir);
                     }
                 } else {
-                    @mkdir($backup_dir . $document->path, $perm_dirs, true);
+                    @mkdir($backup_dir.$document->path, $perm_dirs, true);
                 }
             }
         }
@@ -92,49 +92,49 @@ 
         // Copy all scorm documents to the temp-dir
         if (isset($course->resources[RESOURCE_SCORM]) && is_array($course->resources[RESOURCE_SCORM])) {
             foreach ($course->resources[RESOURCE_SCORM] as $document) {
-                $doc_dir = dirname($backup_dir . $document->path);
+                $doc_dir = dirname($backup_dir.$document->path);
                 @mkdir($doc_dir, $perm_dirs, true);
-                copyDirTo($course->path . $document->path, $doc_dir, false);
+                copyDirTo($course->path.$document->path, $doc_dir, false);
             }
         }
 
         // Copy calendar attachments.
 
         if (isset($course->resources[RESOURCE_EVENT]) && is_array($course->resources[RESOURCE_EVENT])) {
-            $doc_dir = dirname($backup_dir . '/upload/calendar/');
+            $doc_dir = dirname($backup_dir.'/upload/calendar/');
             @mkdir($doc_dir, $perm_dirs, true);
-            copyDirTo($course->path . 'upload/calendar/', $doc_dir, false);
+            copyDirTo($course->path.'upload/calendar/', $doc_dir, false);
         }
 
         // Copy Learning path author image.
         if (isset($course->resources[RESOURCE_LEARNPATH]) && is_array($course->resources[RESOURCE_LEARNPATH])) {
-            $doc_dir = dirname($backup_dir . '/upload/learning_path/');
+            $doc_dir = dirname($backup_dir.'/upload/learning_path/');
             @mkdir($doc_dir, $perm_dirs, true);
-            copyDirTo($course->path . 'upload/learning_path/', $doc_dir, false);
+            copyDirTo($course->path.'upload/learning_path/', $doc_dir, false);
         }
 
         // Copy announcements attachments.
         if (isset($course->resources[RESOURCE_ANNOUNCEMENT]) && is_array($course->resources[RESOURCE_ANNOUNCEMENT])) {
-            $doc_dir = dirname($backup_dir . '/upload/announcements/');
+            $doc_dir = dirname($backup_dir.'/upload/announcements/');
             @mkdir($doc_dir, $perm_dirs, true);
-            copyDirTo($course->path . 'upload/announcements/', $doc_dir, false);
+            copyDirTo($course->path.'upload/announcements/', $doc_dir, false);
         }
 
         // Copy work folders (only folders)
         if (isset($course->resources[RESOURCE_WORK]) && is_array($course->resources[RESOURCE_WORK])) {
-            $doc_dir = dirname($backup_dir . '/upload/work/');
+            $doc_dir = dirname($backup_dir.'/upload/work/');
             @mkdir($doc_dir, $perm_dirs, true);
             // @todo: adjust to only create subdirs, but not copy files
-            copyDirTo($course->path . 'upload/work/', $doc_dir, false);
+            copyDirTo($course->path.'upload/work/', $doc_dir, false);
         }
 
         // Zip the course-contents
-        $zip = new PclZip($zip_dir . $zip_file);
-        $zip->create($zip_dir . $tmp_dir_name, PCLZIP_OPT_REMOVE_PATH, $zip_dir . $tmp_dir_name . '/');
+        $zip = new PclZip($zip_dir.$zip_file);
+        $zip->create($zip_dir.$tmp_dir_name, PCLZIP_OPT_REMOVE_PATH, $zip_dir.$tmp_dir_name.'/');
         //$zip->deleteByIndex(0);
         // Remove the temp-dir.
         rmdirr($backup_dir);
-        return '' . $zip_file;
+        return ''.$zip_file;
     }
 
     /**
@@ -145,7 +145,7 @@ 
     {
         global $dateTimeFormatLong;
         $backup_files = array();
-        $dirname = api_get_path(SYS_ARCHIVE_PATH) . '';
+        $dirname = api_get_path(SYS_ARCHIVE_PATH).'';
         if ($dir = opendir($dirname)) {
             while (($file = readdir($dir)) !== false) {
                 $file_parts = explode('_', $file);
@@ -156,7 +156,7 @@ 
                     $date = $file_parts[0];
                     $ext = isset($file_parts[1]) ? $file_parts[1] : null;
                     if ($ext == 'zip' && ($user_id != null && $owner_id == $user_id || $user_id == null)) {
-                        $date = substr($date, 0, 4) . '-' . substr($date, 4, 2) . '-' . substr($date, 6, 2) . ' ' . substr($date, 9, 2) . ':' . substr($date, 11, 2) . ':' . substr($date, 13, 2);
+                        $date = substr($date, 0, 4).'-'.substr($date, 4, 2).'-'.substr($date, 6, 2).' '.substr($date, 9, 2).':'.substr($date, 11, 2).':'.substr($date, 13, 2);
                         $backup_files[] = array(
                             'file' => $file,
                             'date' => $date,
@@ -177,7 +177,7 @@ 
      */
     public static function import_uploaded_file($file)
     {
-        $new_filename = uniqid('') . '.zip';
+        $new_filename = uniqid('').'.zip';
         $new_dir = api_get_path(SYS_ARCHIVE_PATH);
         if (is_dir($new_dir) && is_writable($new_dir)) {
             move_uploaded_file($file, api_get_path(SYS_ARCHIVE_PATH).$new_filename);
@@ -200,17 +200,17 @@ 
     {
         CourseArchiver::clean_backup_dir();
         // Create a temp directory
-        $tmp_dir_name = 'CourseArchiver_' . uniqid('');
-        $unzip_dir = api_get_path(SYS_ARCHIVE_PATH) . '' . $tmp_dir_name;
+        $tmp_dir_name = 'CourseArchiver_'.uniqid('');
+        $unzip_dir = api_get_path(SYS_ARCHIVE_PATH).''.$tmp_dir_name;
         @mkdir($unzip_dir, api_get_permissions_for_new_directories(), true);
-        @copy(api_get_path(SYS_ARCHIVE_PATH) . '' . $filename, $unzip_dir . '/backup.zip');
+        @copy(api_get_path(SYS_ARCHIVE_PATH).''.$filename, $unzip_dir.'/backup.zip');
         // unzip the archive
-        $zip = new PclZip($unzip_dir . '/backup.zip');
+        $zip = new PclZip($unzip_dir.'/backup.zip');
         @chdir($unzip_dir);
         $zip->extract(PCLZIP_OPT_TEMP_FILE_ON);
         // remove the archive-file
         if ($delete) {
-            @unlink(api_get_path(SYS_ARCHIVE_PATH) . '' . $filename);
+            @unlink(api_get_path(SYS_ARCHIVE_PATH).''.$filename);
         }
         // read the course
         if (!is_file('course_info.dat')) {

main/gradebook/lib/be/learnpathlink.class.php

Doc Comments +1 added lines, -1 removed lines

@@ -95,7 +95,7 @@
 
 	/**
 	 * Get the progress of this learnpath. Only the last attempt are taken into account.
-	 * @param $stud_id student id (default: all students who have results - then the average is returned)
+	 * @param integer $stud_id student id (default: all students who have results - then the average is returned)
 	 * @return	array (score, max) if student is given
 	 * 			array (sum of scores, number of scores) otherwise
 	 * 			or null if no scores available

Spacing +10 added lines, -10 removed lines

@@ -43,9 +43,9 @@ 
 
 		$result = Database::query($sql);
 
-		$cats=array();
-		while ($data=Database::fetch_array($result)) {
-			$cats[] = array ($data['id'], $data['name']);
+		$cats = array();
+		while ($data = Database::fetch_array($result)) {
+			$cats[] = array($data['id'], $data['name']);
 		}
 
 		return $cats;
@@ -72,8 +72,8 @@ 
 		$result = Database::query($sql);
 
 		$cats = array();
-		while ($data=Database::fetch_array($result)) {
-			$cats[] = array ($data['id'], $data['name']);
+		while ($data = Database::fetch_array($result)) {
+			$cats[] = array($data['id'], $data['name']);
 		}
 
 		return $cats;
@@ -89,7 +89,7 @@ 
 		$sql = "SELECT count(id) AS number FROM $tbl_stats
 				WHERE c_id = ".$this->course_id." AND lp_id = ".$this->get_ref_id();
 		$result = Database::query($sql);
-		$number = Database::fetch_array($result,'NUM');
+		$number = Database::fetch_array($result, 'NUM');
 		return ($number[0] != 0);
 	}
 
@@ -121,12 +121,12 @@ 
 		// for 1 student
 		if (isset($stud_id)) {
 			if ($data = Database::fetch_array($scores)) {
-				return array ($data['progress'], 100);
+				return array($data['progress'], 100);
 			} else
 				return null;
 		} else {
 			// all students -> get average
-			$students = array();  // user list, needed to make sure we only
+			$students = array(); // user list, needed to make sure we only
 			// take first attempts into account
 			$rescount = 0;
 			$sum = 0;
@@ -154,7 +154,7 @@ 
 						return array($bestResult, 100);
 						break;
 					case 'average':
-						return array($sumResult/$rescount, 100);
+						return array($sumResult / $rescount, 100);
 						break;
 					case 'ranking':
 						return AbstractLink::getCurrentUserRanking($stud_id, $students);
@@ -207,7 +207,7 @@ 
 		$sql = 'SELECT count(id) FROM '.$this->get_learnpath_table().'
                 WHERE c_id = '.$this->course_id.' AND id = '.$this->get_ref_id().' ';
 		$result = Database::query($sql);
-		$number = Database::fetch_row($result,'NUM');
+		$number = Database::fetch_row($result, 'NUM');
 		return ($number[0] != 0);
 	}
 

Braces +12 added lines, -8 removed lines

@@ -29,8 +29,9 @@ 
 	public function get_not_created_links()
 	{
 		return false;
-		if (empty($this->course_code))
-			die('Error in get_not_created_links() : course code not set');
+		if (empty($this->course_code)) {
+					die('Error in get_not_created_links() : course code not set');
+		}
 
 		$tbl_grade_links = Database :: get_main_table(TABLE_MAIN_GRADEBOOK_LINK);
 
@@ -57,8 +58,9 @@ 
 	 */
 	public function get_all_links()
 	{
-		if (empty($this->course_code))
-			die('Error in get_not_created_links() : course code not set');
+		if (empty($this->course_code)) {
+					die('Error in get_not_created_links() : course code not set');
+		}
 
 		$session_id = api_get_session_id();
 		if (empty($session_id)) {
@@ -111,8 +113,9 @@ 
                     lp_id = ".$this->get_ref_id()." AND
                     session_id = $session_id ";
 
-		if (isset($stud_id))
-			$sql .= ' AND user_id = '.intval($stud_id);
+		if (isset($stud_id)) {
+					$sql .= ' AND user_id = '.intval($stud_id);
+		}
 
 		// order by id, that way the student's first attempt is accessed first
 		$sql .= ' ORDER BY view_count DESC';
@@ -122,8 +125,9 @@ 
 		if (isset($stud_id)) {
 			if ($data = Database::fetch_array($scores)) {
 				return array ($data['progress'], 100);
-			} else
-				return null;
+			} else {
+							return null;
+			}
 		} else {
 			// all students -> get average
 			$students = array();  // user list, needed to make sure we only

Indentation +242 added lines, -242 removed lines

@@ -9,260 +9,260 @@
  */
 class LearnpathLink extends AbstractLink
 {
-	private $course_info = null;
-	private $learnpath_table = null;
-	private $learnpath_data = null;
-
-	/**
-	 * Constructor
-	 */
-	public function __construct()
-	{
-		parent::__construct();
-		$this->set_type(LINK_LEARNPATH);
-	}
-
-	/**
-	 * Generate an array of learnpaths that a teacher hasn't created a link for.
-	 * @return array 2-dimensional array - every element contains 2 subelements (id, name)
-	 */
-	public function get_not_created_links()
-	{
-		return false;
-		if (empty($this->course_code))
-			die('Error in get_not_created_links() : course code not set');
-
-		$tbl_grade_links = Database :: get_main_table(TABLE_MAIN_GRADEBOOK_LINK);
-
-		$sql = 'SELECT id, name from '.$this->get_learnpath_table().' lp
+    private $course_info = null;
+    private $learnpath_table = null;
+    private $learnpath_data = null;
+
+    /**
+     * Constructor
+     */
+    public function __construct()
+    {
+        parent::__construct();
+        $this->set_type(LINK_LEARNPATH);
+    }
+
+    /**
+     * Generate an array of learnpaths that a teacher hasn't created a link for.
+     * @return array 2-dimensional array - every element contains 2 subelements (id, name)
+     */
+    public function get_not_created_links()
+    {
+        return false;
+        if (empty($this->course_code))
+            die('Error in get_not_created_links() : course code not set');
+
+        $tbl_grade_links = Database :: get_main_table(TABLE_MAIN_GRADEBOOK_LINK);
+
+        $sql = 'SELECT id, name from '.$this->get_learnpath_table().' lp
 				WHERE c_id = '.$this->course_id.' AND id NOT IN '
-			.' (SELECT ref_id FROM '.$tbl_grade_links
-			.' WHERE type = '.LINK_LEARNPATH
-			." AND course_code = '".$this->get_course_code()."'"
-			.') AND lp.session_id='.api_get_session_id().'';
-
-		$result = Database::query($sql);
-
-		$cats=array();
-		while ($data=Database::fetch_array($result)) {
-			$cats[] = array ($data['id'], $data['name']);
-		}
-
-		return $cats;
-	}
-
-	/**
-	 * Generate an array of all learnpaths available.
-	 * @return array 2-dimensional array - every element contains 2 subelements (id, name)
-	 */
-	public function get_all_links()
-	{
-		if (empty($this->course_code))
-			die('Error in get_not_created_links() : course code not set');
-
-		$session_id = api_get_session_id();
-		if (empty($session_id)) {
-			$session_condition = api_get_session_condition(0, true);
-		} else {
-			$session_condition = api_get_session_condition($session_id, true, true);
-		}
-
-		$sql = 'SELECT id, name FROM '.$this->get_learnpath_table().'
+            .' (SELECT ref_id FROM '.$tbl_grade_links
+            .' WHERE type = '.LINK_LEARNPATH
+            ." AND course_code = '".$this->get_course_code()."'"
+            .') AND lp.session_id='.api_get_session_id().'';
+
+        $result = Database::query($sql);
+
+        $cats=array();
+        while ($data=Database::fetch_array($result)) {
+            $cats[] = array ($data['id'], $data['name']);
+        }
+
+        return $cats;
+    }
+
+    /**
+     * Generate an array of all learnpaths available.
+     * @return array 2-dimensional array - every element contains 2 subelements (id, name)
+     */
+    public function get_all_links()
+    {
+        if (empty($this->course_code))
+            die('Error in get_not_created_links() : course code not set');
+
+        $session_id = api_get_session_id();
+        if (empty($session_id)) {
+            $session_condition = api_get_session_condition(0, true);
+        } else {
+            $session_condition = api_get_session_condition($session_id, true, true);
+        }
+
+        $sql = 'SELECT id, name FROM '.$this->get_learnpath_table().'
                 WHERE c_id = '.$this->course_id.' '.$session_condition.' ';
-		$result = Database::query($sql);
+        $result = Database::query($sql);
 
-		$cats = array();
-		while ($data=Database::fetch_array($result)) {
-			$cats[] = array ($data['id'], $data['name']);
-		}
+        $cats = array();
+        while ($data=Database::fetch_array($result)) {
+            $cats[] = array ($data['id'], $data['name']);
+        }
 
-		return $cats;
-	}
+        return $cats;
+    }
 
 
-	/**
-	 * Has anyone used this learnpath yet ?
-	 */
-	public function has_results()
-	{
-		$tbl_stats = Database::get_course_table(TABLE_LP_VIEW);
-		$sql = "SELECT count(id) AS number FROM $tbl_stats
+    /**
+     * Has anyone used this learnpath yet ?
+     */
+    public function has_results()
+    {
+        $tbl_stats = Database::get_course_table(TABLE_LP_VIEW);
+        $sql = "SELECT count(id) AS number FROM $tbl_stats
 				WHERE c_id = ".$this->course_id." AND lp_id = ".$this->get_ref_id();
-		$result = Database::query($sql);
-		$number = Database::fetch_array($result,'NUM');
-		return ($number[0] != 0);
-	}
-
-	/**
-	 * Get the progress of this learnpath. Only the last attempt are taken into account.
-	 * @param $stud_id student id (default: all students who have results - then the average is returned)
-	 * @return	array (score, max) if student is given
-	 * 			array (sum of scores, number of scores) otherwise
-	 * 			or null if no scores available
-	 */
-	public function calc_score($stud_id = null, $type = null)
-	{
-		$tbl_stats = Database::get_course_table(TABLE_LP_VIEW);
-		$session_id = api_get_session_id();
-
-		$sql = "SELECT * FROM $tbl_stats
+        $result = Database::query($sql);
+        $number = Database::fetch_array($result,'NUM');
+        return ($number[0] != 0);
+    }
+
+    /**
+     * Get the progress of this learnpath. Only the last attempt are taken into account.
+     * @param $stud_id student id (default: all students who have results - then the average is returned)
+     * @return	array (score, max) if student is given
+     * 			array (sum of scores, number of scores) otherwise
+     * 			or null if no scores available
+     */
+    public function calc_score($stud_id = null, $type = null)
+    {
+        $tbl_stats = Database::get_course_table(TABLE_LP_VIEW);
+        $session_id = api_get_session_id();
+
+        $sql = "SELECT * FROM $tbl_stats
                 WHERE
                 	c_id = ".$this->course_id." AND
                     lp_id = ".$this->get_ref_id()." AND
                     session_id = $session_id ";
 
-		if (isset($stud_id))
-			$sql .= ' AND user_id = '.intval($stud_id);
-
-		// order by id, that way the student's first attempt is accessed first
-		$sql .= ' ORDER BY view_count DESC';
-
-		$scores = Database::query($sql);
-		// for 1 student
-		if (isset($stud_id)) {
-			if ($data = Database::fetch_assoc($scores)) {
-				return array ($data['progress'], 100);
-			} else
-				return null;
-		} else {
-			// all students -> get average
-			$students = array();  // user list, needed to make sure we only
-			// take first attempts into account
-			$rescount = 0;
-			$sum = 0;
-			$bestResult = 0;
-			$sumResult = 0;
-			while ($data = Database::fetch_array($scores)) {
-				if (!(array_key_exists($data['user_id'], $students))) {
-					$students[$data['user_id']] = $data['progress'];
-					$rescount++;
-					$sum += $data['progress'] / 100;
-					$sumResult += $data['progress'];
-
-					if ($data['progress'] > $bestResult) {
-						$bestResult = $data['progress'];
-					}
-				}
-			}
-
-			if ($rescount == 0) {
-				return null;
-			} else {
-
-				switch ($type) {
-					case 'best':
-						return array($bestResult, 100);
-						break;
-					case 'average':
-						return array($sumResult/$rescount, 100);
-						break;
-					case 'ranking':
-						return AbstractLink::getCurrentUserRanking($stud_id, $students);
-						break;
-					default:
-						return array($sum, $rescount);
-						break;
-				}
-			}
-		}
-	}
-
-	/**
-	 * Get URL where to go to if the user clicks on the link.
-	 */
-	public function get_link()
-	{
-		$url = api_get_path(WEB_PATH).'main/newscorm/lp_controller.php?cidReq='.$this->get_course_code().'&gradebook=view';
-		$session_id = api_get_session_id();
-		if (!api_is_allowed_to_edit() || $this->calc_score(api_get_user_id()) == null) {
-			$url .= '&action=view&session_id='.$session_id.'&lp_id='.$this->get_ref_id();
-		} else {
-			$url .= '&action=build&session_id='.$session_id.'&lp_id='.$this->get_ref_id();
-		}
-		return $url;
-	}
-
-	/**
-	 * Get name to display: same as learnpath title
-	 */
-	public function get_name()
-	{
-		$data = $this->get_learnpath_data();
-		return $data['name'];
-	}
-
-	/**
-	 * Get description to display: same as learnpath description
-	 */
-	public function get_description()
-	{
-		$data = $this->get_learnpath_data();
-		return $data['description'];
-	}
-
-	/**
-	 * Check if this still links to a learnpath
-	 */
-	public function is_valid_link() {
-		$sql = 'SELECT count(id) FROM '.$this->get_learnpath_table().'
+        if (isset($stud_id))
+            $sql .= ' AND user_id = '.intval($stud_id);
+
+        // order by id, that way the student's first attempt is accessed first
+        $sql .= ' ORDER BY view_count DESC';
+
+        $scores = Database::query($sql);
+        // for 1 student
+        if (isset($stud_id)) {
+            if ($data = Database::fetch_assoc($scores)) {
+                return array ($data['progress'], 100);
+            } else
+                return null;
+        } else {
+            // all students -> get average
+            $students = array();  // user list, needed to make sure we only
+            // take first attempts into account
+            $rescount = 0;
+            $sum = 0;
+            $bestResult = 0;
+            $sumResult = 0;
+            while ($data = Database::fetch_array($scores)) {
+                if (!(array_key_exists($data['user_id'], $students))) {
+                    $students[$data['user_id']] = $data['progress'];
+                    $rescount++;
+                    $sum += $data['progress'] / 100;
+                    $sumResult += $data['progress'];
+
+                    if ($data['progress'] > $bestResult) {
+                        $bestResult = $data['progress'];
+                    }
+                }
+            }
+
+            if ($rescount == 0) {
+                return null;
+            } else {
+
+                switch ($type) {
+                    case 'best':
+                        return array($bestResult, 100);
+                        break;
+                    case 'average':
+                        return array($sumResult/$rescount, 100);
+                        break;
+                    case 'ranking':
+                        return AbstractLink::getCurrentUserRanking($stud_id, $students);
+                        break;
+                    default:
+                        return array($sum, $rescount);
+                        break;
+                }
+            }
+        }
+    }
+
+    /**
+     * Get URL where to go to if the user clicks on the link.
+     */
+    public function get_link()
+    {
+        $url = api_get_path(WEB_PATH).'main/newscorm/lp_controller.php?cidReq='.$this->get_course_code().'&gradebook=view';
+        $session_id = api_get_session_id();
+        if (!api_is_allowed_to_edit() || $this->calc_score(api_get_user_id()) == null) {
+            $url .= '&action=view&session_id='.$session_id.'&lp_id='.$this->get_ref_id();
+        } else {
+            $url .= '&action=build&session_id='.$session_id.'&lp_id='.$this->get_ref_id();
+        }
+        return $url;
+    }
+
+    /**
+     * Get name to display: same as learnpath title
+     */
+    public function get_name()
+    {
+        $data = $this->get_learnpath_data();
+        return $data['name'];
+    }
+
+    /**
+     * Get description to display: same as learnpath description
+     */
+    public function get_description()
+    {
+        $data = $this->get_learnpath_data();
+        return $data['description'];
+    }
+
+    /**
+     * Check if this still links to a learnpath
+     */
+    public function is_valid_link() {
+        $sql = 'SELECT count(id) FROM '.$this->get_learnpath_table().'
                 WHERE c_id = '.$this->course_id.' AND id = '.$this->get_ref_id().' ';
-		$result = Database::query($sql);
-		$number = Database::fetch_row($result,'NUM');
-		return ($number[0] != 0);
-	}
-
-	public function get_type_name()
-	{
-		return get_lang('LearningPaths');
-	}
-
-	public function needs_name_and_description()
-	{
-		return false;
-	}
-
-	public function needs_max()
-	{
-		return false;
-	}
-
-	public function needs_results()
-	{
-		return false;
-	}
-
-	public function is_allowed_to_change_name()
-	{
-		return false;
-	}
-
-	// INTERNAL FUNCTIONS
-
-	/**
-	 * Lazy load function to get the database table of the learnpath
-	 */
-	private function get_learnpath_table()
-	{
-		$this->learnpath_table = Database :: get_course_table(TABLE_LP_MAIN);
-		return $this->learnpath_table;
-	}
-
-	/**
-	 * Lazy load function to get the database contents of this learnpath
-	 */
-	private function get_learnpath_data()
-	{
-		if (!isset($this->learnpath_data)) {
-			$sql = 'SELECT * FROM '.$this->get_learnpath_table().'
+        $result = Database::query($sql);
+        $number = Database::fetch_row($result,'NUM');
+        return ($number[0] != 0);
+    }
+
+    public function get_type_name()
+    {
+        return get_lang('LearningPaths');
+    }
+
+    public function needs_name_and_description()
+    {
+        return false;
+    }
+
+    public function needs_max()
+    {
+        return false;
+    }
+
+    public function needs_results()
+    {
+        return false;
+    }
+
+    public function is_allowed_to_change_name()
+    {
+        return false;
+    }
+
+    // INTERNAL FUNCTIONS
+
+    /**
+     * Lazy load function to get the database table of the learnpath
+     */
+    private function get_learnpath_table()
+    {
+        $this->learnpath_table = Database :: get_course_table(TABLE_LP_MAIN);
+        return $this->learnpath_table;
+    }
+
+    /**
+     * Lazy load function to get the database contents of this learnpath
+     */
+    private function get_learnpath_data()
+    {
+        if (!isset($this->learnpath_data)) {
+            $sql = 'SELECT * FROM '.$this->get_learnpath_table().'
                     WHERE c_id = '.$this->course_id.' AND id = '.$this->get_ref_id().' ';
-			$result = Database::query($sql);
-			$this->learnpath_data = Database::fetch_array($result);
-		}
-		return $this->learnpath_data;
-	}
-
-	public function get_icon_name()
-	{
-		return 'learnpath';
-	}
+            $result = Database::query($sql);
+            $this->learnpath_data = Database::fetch_array($result);
+        }
+        return $this->learnpath_data;
+    }
+
+    public function get_icon_name()
+    {
+        return 'learnpath';
+    }
 }

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

Doc Comments +3 added lines, -1 removed lines

@@ -32,6 +32,8 @@ 
      * @param array $evals
      * @param array $links
      * @param null $addparams
+     * @param boolean $showTeacherView
+     * @param integer $userId
      */
     public function __construct(
         $currentcat,
@@ -895,7 +897,7 @@ 
 
     /**
      * @param $item
-     * @return mixed
+     * @return string|null
      */
     private function build_course_code($item)
     {

Spacing +42 added lines, -42 removed lines

@@ -71,7 +71,7 @@ 
             $this->set_additional_parameters($addparams);
         }
 
-        $column= 0;
+        $column = 0;
         if ($this->teacherView) {
             if ($this->exportToPdf == false) {
                 $this->set_header($column++, '', '', 'width="25px"');
@@ -283,13 +283,13 @@ 
                 $main_categories[$item->get_id()]['name'] = $item->get_name();
             } else {
                 $name = $this->build_name_link($item, $type);
-                $row[] = $invisibility_span_open.$name. $invisibility_span_close;
+                $row[] = $invisibility_span_open.$name.$invisibility_span_close;
                 $main_categories[$item->get_id()]['name'] = $name;
             }
 
             $this->dataForGraph['categories'][] = $item->get_name();
 
-            $main_categories[$item->get_id()]['weight']= $item->get_weight();
+            $main_categories[$item->get_id()]['weight'] = $item->get_weight();
             $total_categories_weight += $item->get_weight();
 
             // Description.
@@ -309,9 +309,9 @@ 
             );
 
             if ($this->teacherView) {
-                $row[] = $invisibility_span_open .Display::tag('p', $weight, array('class' => 'score')).$invisibility_span_close;
+                $row[] = $invisibility_span_open.Display::tag('p', $weight, array('class' => 'score')).$invisibility_span_close;
             } else {
-                $row[] = $invisibility_span_open .$weight.$invisibility_span_close;
+                $row[] = $invisibility_span_open.$weight.$invisibility_span_close;
             }
 
             $category_weight = $item->get_weight();
@@ -337,7 +337,7 @@ 
 
                 if (!empty($score[1])) {
                     $completeScore = $scoredisplay->display_score($score, SCORE_DIV_PERCENT);
-                    $score = $score[0]/$score[1]*$item->get_weight();
+                    $score = $score[0] / $score[1] * $item->get_weight();
                     $score = $scoredisplay->display_score(array($score, null), SCORE_SIMPLE);
                     $scoreToDisplay = Display::tip($score, $completeScore);
                 } else {
@@ -373,7 +373,7 @@ 
                     $totalResultAverageValue = strip_tags($scoredisplay->display_score($totalResult, SCORE_AVERAGE));
                     $this->dataForGraph['my_result'][] = (float) str_replace('%', '', $totalResultAverageValue);
                     $totalAverageValue = strip_tags($scoredisplay->display_score($totalAverage, SCORE_AVERAGE));
-                    $this->dataForGraph['average'][] =  (float) str_replace('%', '', $totalAverageValue);
+                    $this->dataForGraph['average'][] = (float) str_replace('%', '', $totalAverageValue);
                     // Ranking
                     $row[] = $ranking;
                     // Best
@@ -456,7 +456,7 @@ 
                         $row[] = $this->build_type_column($item, array('style' => 'padding-left:5px'));
 
                         // Name.
-                        $row[] = $invisibility_span_open."     ".$this->build_name_link($item, $type) . $invisibility_span_close;
+                        $row[] = $invisibility_span_open."     ".$this->build_name_link($item, $type).$invisibility_span_close;
 
                         // Description.
                         if ($this->exportToPdf == false) {
@@ -494,7 +494,7 @@ 
                             // Students get the results and certificates columns
                             $eval_n_links = array_merge($alleval, $alllink);
 
-                            if (count($eval_n_links)> 0) {
+                            if (count($eval_n_links) > 0) {
                                 $value_data = isset($data[4]) ? $data[4] : null;
 
                                 if (!is_null($value_data)) {
@@ -593,7 +593,7 @@ 
                 $row = array(
                     null,
                     null,
-                    '<strong>' . get_lang('Total') . '</strong>',
+                    '<strong>'.get_lang('Total').'</strong>',
                     null,
                     $total
                 );
@@ -663,7 +663,7 @@ 
                 if ($this->exportToPdf) {
                     $row = array(
                         null,
-                        '<h3>' . get_lang('Total') . '</h3>',
+                        '<h3>'.get_lang('Total').'</h3>',
                         $main_weight,
                         $totalResult,
                         $totalRanking,
@@ -673,7 +673,7 @@ 
                 } else {
                     $row = array(
                         null,
-                        '<h3>' . get_lang('Total') . '</h3>',
+                        '<h3>'.get_lang('Total').'</h3>',
                         null,
                         $main_weight,
                         $totalResult,
@@ -688,7 +688,7 @@ 
         }
 
         // Warning messages
-        $view = isset($_GET['view']) ? $_GET['view']: null;
+        $view = isset($_GET['view']) ? $_GET['view'] : null;
 
         if ($this->teacherView) {
             if (isset($_GET['selectcat']) &&
@@ -701,14 +701,14 @@ 
                 $weight_category = intval($this->build_weight($category[0]));
 
                 $course_code = $this->build_course_code($category[0]);
-                $weight_total_links  = round($weight_total_links);
+                $weight_total_links = round($weight_total_links);
 
                 if ($weight_total_links > $weight_category ||
                     $weight_total_links < $weight_category ||
                     $weight_total_links > $weight_category
                 ) {
                     $warning_message = sprintf(get_lang('TotalWeightMustBeX'), $weight_category);
-                    $modify_icons  = '<a href="gradebook_edit_cat.php?editcat='.$id_cat.'&cidReq='.$course_code.'&id_session='.api_get_session_id().'">'.
+                    $modify_icons = '<a href="gradebook_edit_cat.php?editcat='.$id_cat.'&cidReq='.$course_code.'&id_session='.api_get_session_id().'">'.
                         Display::return_icon('edit.png', $warning_message, array(), ICON_SIZE_SMALL).'</a>';
                     $warning_message .= $modify_icons;
                     Display::display_warning_message($warning_message, false);
@@ -721,7 +721,7 @@ 
                 );
 
                 if (!empty($content_html)) {
-                    $new_content = explode('</head>',$content_html['content']);
+                    $new_content = explode('</head>', $content_html['content']);
                 }
 
                 if (empty($new_content[0])) {
@@ -755,7 +755,7 @@ 
                     is_array($course_codes)
                 ) {
                     $warning_message = '';
-                    for ($x = 0; $x<count($weight_categories);$x++) {
+                    for ($x = 0; $x < count($weight_categories); $x++) {
                         $weight_category = intval($weight_categories[$x]);
                         $certificate_min_score = intval($certificate_min_scores[$x]);
                         $course_code = $course_codes[$x];
@@ -763,12 +763,12 @@ 
                         if (empty($certificate_min_score) ||
                             ($certificate_min_score > $weight_category)
                         ) {
-                            $warning_message .= $course_code .'&nbsp;-&nbsp;'.get_lang('CertificateMinimunScoreIsRequiredAndMustNotBeMoreThan').'&nbsp;'.$weight_category.'<br />';
+                            $warning_message .= $course_code.'&nbsp;-&nbsp;'.get_lang('CertificateMinimunScoreIsRequiredAndMustNotBeMoreThan').'&nbsp;'.$weight_category.'<br />';
                         }
                     }
 
                     if (!empty($warning_message)) {
-                        Display::display_warning_message($warning_message,false);
+                        Display::display_warning_message($warning_message, false);
                     }
                 }
             }
@@ -812,15 +812,15 @@ 
             $pChart->Antialias = FALSE;
 
             /* Add a border to the picture */
-            $pChart->drawRectangle(0,0,$xSize-10,$ySize-10,array("R"=>0,"G"=>0,"B"=>0));
+            $pChart->drawRectangle(0, 0, $xSize - 10, $ySize - 10, array("R"=>0, "G"=>0, "B"=>0));
 
-            $pChart->drawText(10,16,get_lang('Results'),array("FontSize"=>11,"Align"=>TEXT_ALIGN_BOTTOMLEFT));
+            $pChart->drawText(10, 16, get_lang('Results'), array("FontSize"=>11, "Align"=>TEXT_ALIGN_BOTTOMLEFT));
 
-            $pChart->setGraphArea(50, 30, $xSize-50, $ySize-50);
+            $pChart->setGraphArea(50, 30, $xSize - 50, $ySize - 50);
 
             $pChart->setFontProperties(
                 array(
-                    'FontName' => api_get_path(SYS_FONTS_PATH) . 'opensans/OpenSans-Regular.ttf',
+                    'FontName' => api_get_path(SYS_FONTS_PATH).'opensans/OpenSans-Regular.ttf',
                     'FontSize' => 10,
                 )
             );
@@ -840,7 +840,7 @@ 
 
             /* Draw the line chart */
             $pChart->drawLineChart();
-            $pChart->drawPlotChart(array("DisplayValues"=>TRUE,"PlotBorder"=>TRUE,"BorderSize"=>2,"Surrounding"=>-60,"BorderAlpha"=>80));
+            $pChart->drawPlotChart(array("DisplayValues"=>TRUE, "PlotBorder"=>TRUE, "BorderSize"=>2, "Surrounding"=>-60, "BorderAlpha"=>80));
 
             /* Write the chart legend */
             $pChart->drawLegend(
@@ -860,13 +860,13 @@ 
             $chartHash = $myCache->getHash($dataSet);
 
             $myCache->writeToCache($chartHash, $pChart);
-            $imgSysPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
+            $imgSysPath = api_get_path(SYS_ARCHIVE_PATH).$chartHash;
             $myCache->saveFromCache($chartHash, $imgSysPath);
-            $imgWebPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
+            $imgWebPath = api_get_path(WEB_ARCHIVE_PATH).$chartHash;
 
             if (file_exists($imgSysPath)) {
                 $result = '<div id="contentArea" style="text-align: center;" >';
-                $result .= '<img src="' . $imgWebPath.'" >';
+                $result .= '<img src="'.$imgWebPath.'" >';
                 $result .= '</div>';
                 return $result;
             }
@@ -911,13 +911,13 @@ 
         switch ($item->get_item_type()) {
             // category
             case 'C' :
-                return 'CATE' . $item->get_id();
+                return 'CATE'.$item->get_id();
             // evaluation
             case 'E' :
-                return 'EVAL' . $item->get_id();
+                return 'EVAL'.$item->get_id();
             // link
             case 'L' :
-                return 'LINK' . $item->get_id();
+                return 'LINK'.$item->get_id();
         }
     }
 
@@ -945,20 +945,20 @@ 
         switch ($item->get_item_type()) {
             // category
             case 'C' :
-                $prms_uri='?selectcat=' . $item->get_id() . '&amp;view='.$view;
+                $prms_uri = '?selectcat='.$item->get_id().'&amp;view='.$view;
 
                 if (isset($_GET['isStudentView'])) {
-                    if ( isset($is_student) || ( isset($_SESSION['studentview']) && $_SESSION['studentview']=='studentview') ) {
-                        $prms_uri=$prms_uri.'&amp;isStudentView='.Security::remove_XSS($_GET['isStudentView']);
+                    if (isset($is_student) || (isset($_SESSION['studentview']) && $_SESSION['studentview'] == 'studentview')) {
+                        $prms_uri = $prms_uri.'&amp;isStudentView='.Security::remove_XSS($_GET['isStudentView']);
                     }
                 }
 
                 $cat = new Category();
-                $show_message=$cat->show_message_resource_delete($item->get_course_code());
+                $show_message = $cat->show_message_resource_delete($item->get_course_code());
                 return '&nbsp;<a href="'.Security::remove_XSS($_SESSION['gradebook_dest']).$prms_uri.'">'
                 . $item->get_name()
                 . '</a>'
-                . ($item->is_course() ? ' &nbsp;[' . $item->get_course_code() . ']'.$show_message : '');
+                . ($item->is_course() ? ' &nbsp;['.$item->get_course_code().']'.$show_message : '');
                 // evaluation
             case 'E' :
                 $cat = new Category();
@@ -966,10 +966,10 @@ 
                 $show_message = $cat->show_message_resource_delete($course_id);
 
                 // course/platform admin can go to the view_results page
-                if (api_is_allowed_to_edit() && $show_message===false) {
+                if (api_is_allowed_to_edit() && $show_message === false) {
                     if ($item->get_type() == 'presence') {
                         return '&nbsp;'
-                        . '<a href="gradebook_view_result.php?cidReq='.$course_id.'&amp;selecteval=' . $item->get_id() . '">'
+                        . '<a href="gradebook_view_result.php?cidReq='.$course_id.'&amp;selecteval='.$item->get_id().'">'
                         . $item->get_name()
                         . '</a>';
                     } else {
@@ -978,20 +978,20 @@ 
                             $extra = '';
                         }
                         return '&nbsp;'
-                        . '<a href="gradebook_view_result.php?' . api_get_cidreq() . '&selecteval=' . $item->get_id() . '">'
+                        . '<a href="gradebook_view_result.php?'.api_get_cidreq().'&selecteval='.$item->get_id().'">'
                         . $item->get_name()
                         . '</a>&nbsp;'.$extra;
                     }
-                } elseif (ScoreDisplay :: instance()->is_custom() && $show_message===false) {
+                } elseif (ScoreDisplay :: instance()->is_custom() && $show_message === false) {
                     // students can go to the statistics page (if custom display enabled)
                     return '&nbsp;'
-                    . '<a href="gradebook_statistics.php?' . api_get_cidreq() . '&selecteval=' . $item->get_id() . '">'
+                    . '<a href="gradebook_statistics.php?'.api_get_cidreq().'&selecteval='.$item->get_id().'">'
                     . $item->get_name()
                     . '</a>';
 
                 } elseif ($show_message === false && !api_is_allowed_to_edit() && !ScoreDisplay :: instance()->is_custom()) {
                     return '&nbsp;'
-                    . '<a href="gradebook_statistics.php?' . api_get_cidreq() . '&selecteval=' . $item->get_id() . '">'
+                    . '<a href="gradebook_statistics.php?'.api_get_cidreq().'&selecteval='.$item->get_id().'">'
                     . $item->get_name()
                     . '</a>';
                 } else {
@@ -1006,7 +1006,7 @@ 
                 $url = $item->get_link();
 
                 if (isset($url) && $show_message === false) {
-                    $text = '&nbsp;<a href="' . $item->get_link() . '">'
+                    $text = '&nbsp;<a href="'.$item->get_link().'">'
                         . $item->get_name()
                         . '</a>';
                 } else {

Braces +3 added lines, -2 removed lines

@@ -256,10 +256,11 @@
         }
 
         // Categories.
-        if (!empty($data_array))
-        foreach ($data_array as $data) {
+        if (!empty($data_array)) {
+                foreach ($data_array as $data) {
             // list of items inside the gradebook (exercises, lps, forums, etc)
             $row  = array();
+        }
             /** @var AbstractLink $item */
             $item = $mainCategory = $data[0];
 

main/gradebook/lib/user_data_generator.class.php

Doc Comments +5 added lines, -4 removed lines

@@ -72,6 +72,7 @@ 
 
 	/**
 	 * Get actual array data
+	 * @param integer $count
 	 * @return array 2-dimensional array - each array contains the elements:
 	 * 0: eval/link object
 	 * 1: item name
@@ -285,7 +286,7 @@ 
 
 	/**
 	 * @param $item
-	 * @param $ignore_score_color
+	 * @param boolean $ignore_score_color
 	 * @return string
 	 */
 	private function build_average_column($item, $ignore_score_color)
@@ -306,7 +307,7 @@ 
 
 	/**
 	 * @param $item
-	 * @param $ignore_score_color
+	 * @param boolean $ignore_score_color
 	 * @return string
 	 */
 	private function build_result_column($item, $ignore_score_color)
@@ -323,7 +324,7 @@ 
 
 	/**
 	 * @param $item
-	 * @param $ignore_score_color
+	 * @param boolean $ignore_score_color
 	 * @return string
 	 */
 	private function build_mask_column($item, $ignore_score_color)
@@ -339,7 +340,7 @@ 
 
 	/**
 	 * @param $coursecode
-	 * @return mixed
+	 * @return string
 	 */
 	private function get_course_name_from_code_cached($coursecode)
 	{

Indentation +346 added lines, -346 removed lines

@@ -10,28 +10,28 @@ 
  */
 class UserDataGenerator
 {
-	// Sorting types constants
-	const UDG_SORT_TYPE = 1;
-	const UDG_SORT_NAME = 2;
-	const UDG_SORT_COURSE = 4;
-	const UDG_SORT_CATEGORY = 8;
-	const UDG_SORT_AVERAGE = 16;
-	const UDG_SORT_SCORE = 32;
-	const UDG_SORT_MASK = 64;
-
-	const UDG_SORT_ASC = 128;
-	const UDG_SORT_DESC = 256;
-
-	private $items;
-	private $userid;
-
-	private $coursecodecache;
-	private $categorycache;
-	private $scorecache;
-	private $avgcache;
-
-	public function UserDataGenerator($userid, $evals = array(), $links = array())
-	{
+    // Sorting types constants
+    const UDG_SORT_TYPE = 1;
+    const UDG_SORT_NAME = 2;
+    const UDG_SORT_COURSE = 4;
+    const UDG_SORT_CATEGORY = 8;
+    const UDG_SORT_AVERAGE = 16;
+    const UDG_SORT_SCORE = 32;
+    const UDG_SORT_MASK = 64;
+
+    const UDG_SORT_ASC = 128;
+    const UDG_SORT_DESC = 256;
+
+    private $items;
+    private $userid;
+
+    private $coursecodecache;
+    private $categorycache;
+    private $scorecache;
+    private $avgcache;
+
+    public function UserDataGenerator($userid, $evals = array(), $links = array())
+    {
         $this->userid = $userid;
         $evals_filtered = array();
         $result = array();
@@ -62,330 +62,330 @@ 
         $this->avgcache = null;
     }
 
-	/**
-	 * Get total number of items (rows)
-	 */
-	public function get_total_items_count()
-	{
-		return count($this->items);
-	}
-
-	/**
-	 * Get actual array data
-	 * @return array 2-dimensional array - each array contains the elements:
-	 * 0: eval/link object
-	 * 1: item name
-	 * 2: course name
-	 * 3: category name
-	 * 4: average score
-	 * 5: student's score
-	 * 6: student's score as custom display (only if custom scoring enabled)
-	 */
-	public function get_data($sorting = 0, $start = 0, $count = null, $ignore_score_color = false)
-	{
-		// do some checks on count, redefine if invalid value
-		if (!isset($count)) {
-			$count = count ($this->items) - $start;
-		}
-		if ($count < 0) {
-			$count = 0;
-		}
-		$allitems = $this->items;
-
-		// sort users array
-		if ($sorting & self :: UDG_SORT_TYPE) {
-			usort($allitems, array('UserDataGenerator', 'sort_by_type'));
-		}elseif ($sorting & self :: UDG_SORT_NAME) {
-			usort($allitems, array('UserDataGenerator', 'sort_by_name'));
-		} elseif ($sorting & self :: UDG_SORT_COURSE) {
-			usort($allitems, array('UserDataGenerator', 'sort_by_course'));
-		} elseif ($sorting & self :: UDG_SORT_CATEGORY) {
-			usort($allitems, array('UserDataGenerator', 'sort_by_category'));
-		} elseif ($sorting & self :: UDG_SORT_AVERAGE) {
-			// if user sorts on average scores, first calculate them and cache them
-			foreach ($allitems as $item) {
-				$this->avgcache[$item->get_item_type() . $item->get_id()]= $item->calc_score();
-			}
-			usort($allitems, array('UserDataGenerator', 'sort_by_average'));
-		} elseif ($sorting & self :: UDG_SORT_SCORE) {
-			// if user sorts on student's scores, first calculate them and cache them
-			foreach ($allitems as $item) {
-				$this->scorecache[$item->get_item_type() . $item->get_id()]
-					= $item->calc_score($this->userid);
-			}
-			usort($allitems, array('UserDataGenerator', 'sort_by_score'));
-		} elseif ($sorting & self :: UDG_SORT_MASK) {
-			// if user sorts on student's masks, first calculate scores and cache them
-			foreach ($allitems as $item) {
-				$this->scorecache[$item->get_item_type() . $item->get_id()]
-					= $item->calc_score($this->userid);
-			}
-			usort($allitems, array('UserDataGenerator', 'sort_by_mask'));
-		}
-
-		if ($sorting & self :: UDG_SORT_DESC) {
-			$allitems = array_reverse($allitems);
-		}
-		// select the items we have to display
-		$visibleitems = array_slice($allitems, $start, $count);
-
-		// fill score cache if not done yet
-		if (!isset ($this->scorecache)) {
-			foreach ($visibleitems as $item) {
-				$this->scorecache[$item->get_item_type() . $item->get_id()]
-					= $item->calc_score($this->userid);
-			}
-
-		}
-		// generate the data to display
-		$scoredisplay = ScoreDisplay :: instance();
-		$data = array();
-		foreach ($visibleitems as $item) {
-			$row = array ();
-			$row[] = $item;
-			$row[] = $item->get_name();
-			$row[] = $this->build_course_name($item);
-			$row[] = $this->build_category_name($item);
-			$row[] = $this->build_average_column($item, $ignore_score_color);
-			$row[] = $this->build_result_column($item, $ignore_score_color);
-			if ($scoredisplay->is_custom())
-				$row[] = $this->build_mask_column($item, $ignore_score_color);
-			$data[] = $row;
-		}
-		return $data;
-	}
-
-	/**
-	 * @param $item1
-	 * @param $item2
-	 * @return int
-	 */
-	function sort_by_type($item1, $item2)
-	{
-		if ($item1->get_item_type() == $item2->get_item_type()) {
-			return $this->sort_by_name($item1,$item2);
-		} else {
-			return ($item1->get_item_type() < $item2->get_item_type() ? -1 : 1);
-		}
-	}
-
-	/**
-	 * @param $item1
-	 * @param $item2
-	 * @return int
-	 */
-	function sort_by_course($item1, $item2)
-	{
-		$name1 = api_strtolower($this->get_course_name_from_code_cached($item1->get_course_code()));
-		$name2 = api_strtolower($this->get_course_name_from_code_cached($item2->get_course_code()));
-		return api_strnatcmp($name1, $name2);
-	}
-
-	/**
-	 * @param $item1
-	 * @param $item2
-	 * @return int
-	 */
-	function sort_by_category($item1, $item2)
-	{
-		$cat1 = $this->get_category_cached($item1->get_category_id());
-		$cat2 = $this->get_category_cached($item2->get_category_id());
-		$name1 = api_strtolower($this->get_category_name_to_display($cat1));
-		$name2 = api_strtolower($this->get_category_name_to_display($cat2));
-
-		return api_strnatcmp($name1, $name2);
-	}
-
-	/**
-	 * @param $item1
-	 * @param $item2
-	 * @return int
-	 */
-	function sort_by_name($item1, $item2)
-	{
-		return api_strnatcmp($item1->get_name(),$item2->get_name());
-	}
-
-	/**
-	 * @param $item1
-	 * @param $item2
-	 * @return int
-	 */
-	function sort_by_average($item1, $item2)
-	{
-		$score1 = $this->avgcache[$item1->get_item_type() . $item1->get_id()];
-		$score2 = $this->avgcache[$item2->get_item_type() . $item2->get_id()];
-
-		return $this->compare_scores($score1, $score2);
-	}
-
-	/**
-	 * @param $item1
-	 * @param $item2
-	 * @return int
-	 */
-	function sort_by_score($item1, $item2)
-	{
-		$score1 = $this->scorecache[$item1->get_item_type() . $item1->get_id()];
-		$score2 = $this->scorecache[$item2->get_item_type() . $item2->get_id()];
-
-		return $this->compare_scores($score1, $score2);
-	}
-
-	/**
-	 * @param $item1
-	 * @param $item2
-	 * @return int
-	 */
-	function sort_by_mask($item1, $item2)
-	{
-		$score1 = $this->scorecache[$item1->get_item_type() . $item1->get_id()];
-		$score2 = $this->scorecache[$item2->get_item_type() . $item2->get_id()];
-
-		return ScoreDisplay :: compare_scores_by_custom_display($score1, $score2);
-	}
-
-	/**
-	 * @param $score1
-	 * @param $score2
-	 * @return int
-	 */
-	function compare_scores($score1, $score2)
-	{
-		if (!isset($score1)) {
-			return (isset($score2) ? 1 : 0);
-		} elseif (!isset($score2)) {
-			return -1;
-		} elseif (($score1[0]/$score1[1]) == ($score2[0]/$score2[1])) {
-			return 0;
-		} else {
-			return (($score1[0]/$score1[1]) < ($score2[0]/$score2[1]) ? -1 : 1);
-		}
-	}
-
-	/**
-	 * @param $item
-	 * @return mixed
-	 */
-	private function build_course_name($item)
-	{
-		return $this->get_course_name_from_code_cached($item->get_course_code());
-	}
-
-	/**
-	 * @param $item
-	 * @return string
-	 */
-	private function build_category_name($item)
-	{
-		$cat = $this->get_category_cached($item->get_category_id());
-
-		return $this->get_category_name_to_display($cat);
-	}
-
-	/**
-	 * @param $item
-	 * @param $ignore_score_color
-	 * @return string
-	 */
-	private function build_average_column($item, $ignore_score_color)
-	{
-		if (isset($this->avgcache)) {
-			$avgscore = $this->avgcache[$item->get_item_type() . $item->get_id()];
-		} else {
-			$avgscore = $item->calc_score();
-		}
-
-		$scoredisplay = ScoreDisplay :: instance();
-		$displaytype = SCORE_AVERAGE;
-		/*if ($ignore_score_color)
+    /**
+     * Get total number of items (rows)
+     */
+    public function get_total_items_count()
+    {
+        return count($this->items);
+    }
+
+    /**
+     * Get actual array data
+     * @return array 2-dimensional array - each array contains the elements:
+     * 0: eval/link object
+     * 1: item name
+     * 2: course name
+     * 3: category name
+     * 4: average score
+     * 5: student's score
+     * 6: student's score as custom display (only if custom scoring enabled)
+     */
+    public function get_data($sorting = 0, $start = 0, $count = null, $ignore_score_color = false)
+    {
+        // do some checks on count, redefine if invalid value
+        if (!isset($count)) {
+            $count = count ($this->items) - $start;
+        }
+        if ($count < 0) {
+            $count = 0;
+        }
+        $allitems = $this->items;
+
+        // sort users array
+        if ($sorting & self :: UDG_SORT_TYPE) {
+            usort($allitems, array('UserDataGenerator', 'sort_by_type'));
+        }elseif ($sorting & self :: UDG_SORT_NAME) {
+            usort($allitems, array('UserDataGenerator', 'sort_by_name'));
+        } elseif ($sorting & self :: UDG_SORT_COURSE) {
+            usort($allitems, array('UserDataGenerator', 'sort_by_course'));
+        } elseif ($sorting & self :: UDG_SORT_CATEGORY) {
+            usort($allitems, array('UserDataGenerator', 'sort_by_category'));
+        } elseif ($sorting & self :: UDG_SORT_AVERAGE) {
+            // if user sorts on average scores, first calculate them and cache them
+            foreach ($allitems as $item) {
+                $this->avgcache[$item->get_item_type() . $item->get_id()]= $item->calc_score();
+            }
+            usort($allitems, array('UserDataGenerator', 'sort_by_average'));
+        } elseif ($sorting & self :: UDG_SORT_SCORE) {
+            // if user sorts on student's scores, first calculate them and cache them
+            foreach ($allitems as $item) {
+                $this->scorecache[$item->get_item_type() . $item->get_id()]
+                    = $item->calc_score($this->userid);
+            }
+            usort($allitems, array('UserDataGenerator', 'sort_by_score'));
+        } elseif ($sorting & self :: UDG_SORT_MASK) {
+            // if user sorts on student's masks, first calculate scores and cache them
+            foreach ($allitems as $item) {
+                $this->scorecache[$item->get_item_type() . $item->get_id()]
+                    = $item->calc_score($this->userid);
+            }
+            usort($allitems, array('UserDataGenerator', 'sort_by_mask'));
+        }
+
+        if ($sorting & self :: UDG_SORT_DESC) {
+            $allitems = array_reverse($allitems);
+        }
+        // select the items we have to display
+        $visibleitems = array_slice($allitems, $start, $count);
+
+        // fill score cache if not done yet
+        if (!isset ($this->scorecache)) {
+            foreach ($visibleitems as $item) {
+                $this->scorecache[$item->get_item_type() . $item->get_id()]
+                    = $item->calc_score($this->userid);
+            }
+
+        }
+        // generate the data to display
+        $scoredisplay = ScoreDisplay :: instance();
+        $data = array();
+        foreach ($visibleitems as $item) {
+            $row = array ();
+            $row[] = $item;
+            $row[] = $item->get_name();
+            $row[] = $this->build_course_name($item);
+            $row[] = $this->build_category_name($item);
+            $row[] = $this->build_average_column($item, $ignore_score_color);
+            $row[] = $this->build_result_column($item, $ignore_score_color);
+            if ($scoredisplay->is_custom())
+                $row[] = $this->build_mask_column($item, $ignore_score_color);
+            $data[] = $row;
+        }
+        return $data;
+    }
+
+    /**
+     * @param $item1
+     * @param $item2
+     * @return int
+     */
+    function sort_by_type($item1, $item2)
+    {
+        if ($item1->get_item_type() == $item2->get_item_type()) {
+            return $this->sort_by_name($item1,$item2);
+        } else {
+            return ($item1->get_item_type() < $item2->get_item_type() ? -1 : 1);
+        }
+    }
+
+    /**
+     * @param $item1
+     * @param $item2
+     * @return int
+     */
+    function sort_by_course($item1, $item2)
+    {
+        $name1 = api_strtolower($this->get_course_name_from_code_cached($item1->get_course_code()));
+        $name2 = api_strtolower($this->get_course_name_from_code_cached($item2->get_course_code()));
+        return api_strnatcmp($name1, $name2);
+    }
+
+    /**
+     * @param $item1
+     * @param $item2
+     * @return int
+     */
+    function sort_by_category($item1, $item2)
+    {
+        $cat1 = $this->get_category_cached($item1->get_category_id());
+        $cat2 = $this->get_category_cached($item2->get_category_id());
+        $name1 = api_strtolower($this->get_category_name_to_display($cat1));
+        $name2 = api_strtolower($this->get_category_name_to_display($cat2));
+
+        return api_strnatcmp($name1, $name2);
+    }
+
+    /**
+     * @param $item1
+     * @param $item2
+     * @return int
+     */
+    function sort_by_name($item1, $item2)
+    {
+        return api_strnatcmp($item1->get_name(),$item2->get_name());
+    }
+
+    /**
+     * @param $item1
+     * @param $item2
+     * @return int
+     */
+    function sort_by_average($item1, $item2)
+    {
+        $score1 = $this->avgcache[$item1->get_item_type() . $item1->get_id()];
+        $score2 = $this->avgcache[$item2->get_item_type() . $item2->get_id()];
+
+        return $this->compare_scores($score1, $score2);
+    }
+
+    /**
+     * @param $item1
+     * @param $item2
+     * @return int
+     */
+    function sort_by_score($item1, $item2)
+    {
+        $score1 = $this->scorecache[$item1->get_item_type() . $item1->get_id()];
+        $score2 = $this->scorecache[$item2->get_item_type() . $item2->get_id()];
+
+        return $this->compare_scores($score1, $score2);
+    }
+
+    /**
+     * @param $item1
+     * @param $item2
+     * @return int
+     */
+    function sort_by_mask($item1, $item2)
+    {
+        $score1 = $this->scorecache[$item1->get_item_type() . $item1->get_id()];
+        $score2 = $this->scorecache[$item2->get_item_type() . $item2->get_id()];
+
+        return ScoreDisplay :: compare_scores_by_custom_display($score1, $score2);
+    }
+
+    /**
+     * @param $score1
+     * @param $score2
+     * @return int
+     */
+    function compare_scores($score1, $score2)
+    {
+        if (!isset($score1)) {
+            return (isset($score2) ? 1 : 0);
+        } elseif (!isset($score2)) {
+            return -1;
+        } elseif (($score1[0]/$score1[1]) == ($score2[0]/$score2[1])) {
+            return 0;
+        } else {
+            return (($score1[0]/$score1[1]) < ($score2[0]/$score2[1]) ? -1 : 1);
+        }
+    }
+
+    /**
+     * @param $item
+     * @return mixed
+     */
+    private function build_course_name($item)
+    {
+        return $this->get_course_name_from_code_cached($item->get_course_code());
+    }
+
+    /**
+     * @param $item
+     * @return string
+     */
+    private function build_category_name($item)
+    {
+        $cat = $this->get_category_cached($item->get_category_id());
+
+        return $this->get_category_name_to_display($cat);
+    }
+
+    /**
+     * @param $item
+     * @param $ignore_score_color
+     * @return string
+     */
+    private function build_average_column($item, $ignore_score_color)
+    {
+        if (isset($this->avgcache)) {
+            $avgscore = $this->avgcache[$item->get_item_type() . $item->get_id()];
+        } else {
+            $avgscore = $item->calc_score();
+        }
+
+        $scoredisplay = ScoreDisplay :: instance();
+        $displaytype = SCORE_AVERAGE;
+        /*if ($ignore_score_color)
 			$displaytype |= SCORE_IGNORE_SPLIT;
         */
-		return $scoredisplay->display_score($avgscore, $displaytype);
-	}
-
-	/**
-	 * @param $item
-	 * @param $ignore_score_color
-	 * @return string
-	 */
-	private function build_result_column($item, $ignore_score_color)
-	{
-		$studscore = $this->scorecache[$item->get_item_type() . $item->get_id()];
-		$scoredisplay = ScoreDisplay :: instance();
-		$displaytype = SCORE_DIV_PERCENT;
-		if ($ignore_score_color) {
-			$displaytype |= SCORE_IGNORE_SPLIT;
-		}
-
-		return $scoredisplay->display_score($studscore, $displaytype, SCORE_ONLY_DEFAULT);
-	}
-
-	/**
-	 * @param $item
-	 * @param $ignore_score_color
-	 * @return string
-	 */
-	private function build_mask_column($item, $ignore_score_color)
-	{
-		$studscore = $this->scorecache[$item->get_item_type() . $item->get_id()];
-		$scoredisplay = ScoreDisplay :: instance();
-		$displaytype = SCORE_DIV_PERCENT;
-		if ($ignore_score_color) {
-			$displaytype |= SCORE_IGNORE_SPLIT;
-		}
-		return $scoredisplay->display_score($studscore, $displaytype, SCORE_ONLY_CUSTOM);
-	}
-
-	/**
-	 * @param $coursecode
-	 * @return mixed
-	 */
-	private function get_course_name_from_code_cached($coursecode)
-	{
-		if (isset ($this->coursecodecache)
-			&& isset ($this->coursecodecache[$coursecode])) {
-			return $this->coursecodecache[$coursecode];
-		} else {
-			$name = CourseManager::getCourseNameFromCode($coursecode);
-			$this->coursecodecache[$coursecode] = $name;
-			return $name;
-		}
-	}
-
-	/**
-	 * @param $category_id
-	 * @return null
-	 */
-	private function get_category_cached($category_id)
-	{
-		if (isset ($this->categorycache)
-			&& isset ($this->categorycache[$category_id])) {
-			return $this->categorycache[$category_id];
-		}else {
-			$cat = Category::load($category_id);
-			if (isset($cat)){
-				$this->categorycache[$category_id] = $cat[0];
-				return $cat[0];
-			}else
-				return null;
-		}
-	}
-
-	/**
-	 * @param $cat
-	 * @return string
-	 */
-	private function get_category_name_to_display($cat)
-	{
-		if (isset($cat)) {
-			if ($cat->get_parent_id() == '0' || $cat->get_parent_id() == null){
-				return '';
-			} else {
-				return $cat->get_name();
-			}
-		} else {
-			return '';
-		}
-	}
+        return $scoredisplay->display_score($avgscore, $displaytype);
+    }
+
+    /**
+     * @param $item
+     * @param $ignore_score_color
+     * @return string
+     */
+    private function build_result_column($item, $ignore_score_color)
+    {
+        $studscore = $this->scorecache[$item->get_item_type() . $item->get_id()];
+        $scoredisplay = ScoreDisplay :: instance();
+        $displaytype = SCORE_DIV_PERCENT;
+        if ($ignore_score_color) {
+            $displaytype |= SCORE_IGNORE_SPLIT;
+        }
+
+        return $scoredisplay->display_score($studscore, $displaytype, SCORE_ONLY_DEFAULT);
+    }
+
+    /**
+     * @param $item
+     * @param $ignore_score_color
+     * @return string
+     */
+    private function build_mask_column($item, $ignore_score_color)
+    {
+        $studscore = $this->scorecache[$item->get_item_type() . $item->get_id()];
+        $scoredisplay = ScoreDisplay :: instance();
+        $displaytype = SCORE_DIV_PERCENT;
+        if ($ignore_score_color) {
+            $displaytype |= SCORE_IGNORE_SPLIT;
+        }
+        return $scoredisplay->display_score($studscore, $displaytype, SCORE_ONLY_CUSTOM);
+    }
+
+    /**
+     * @param $coursecode
+     * @return mixed
+     */
+    private function get_course_name_from_code_cached($coursecode)
+    {
+        if (isset ($this->coursecodecache)
+            && isset ($this->coursecodecache[$coursecode])) {
+            return $this->coursecodecache[$coursecode];
+        } else {
+            $name = CourseManager::getCourseNameFromCode($coursecode);
+            $this->coursecodecache[$coursecode] = $name;
+            return $name;
+        }
+    }
+
+    /**
+     * @param $category_id
+     * @return null
+     */
+    private function get_category_cached($category_id)
+    {
+        if (isset ($this->categorycache)
+            && isset ($this->categorycache[$category_id])) {
+            return $this->categorycache[$category_id];
+        }else {
+            $cat = Category::load($category_id);
+            if (isset($cat)){
+                $this->categorycache[$category_id] = $cat[0];
+                return $cat[0];
+            }else
+                return null;
+        }
+    }
+
+    /**
+     * @param $cat
+     * @return string
+     */
+    private function get_category_name_to_display($cat)
+    {
+        if (isset($cat)) {
+            if ($cat->get_parent_id() == '0' || $cat->get_parent_id() == null){
+                return '';
+            } else {
+                return $cat->get_name();
+            }
+        } else {
+            return '';
+        }
+    }
 }

Spacing +25 added lines, -25 removed lines

@@ -50,9 +50,9 @@ 
 
         }
         if (count($result) == 0) {
-            $evals_filtered=$evals;
+            $evals_filtered = $evals;
         } else {
-            $evals_filtered=$evals_filtered_copy;
+            $evals_filtered = $evals_filtered_copy;
         }
         $this->items = array_merge($evals_filtered, $links);
 
@@ -85,7 +85,7 @@ 
 	{
 		// do some checks on count, redefine if invalid value
 		if (!isset($count)) {
-			$count = count ($this->items) - $start;
+			$count = count($this->items) - $start;
 		}
 		if ($count < 0) {
 			$count = 0;
@@ -104,20 +104,20 @@ 
 		} elseif ($sorting & self :: UDG_SORT_AVERAGE) {
 			// if user sorts on average scores, first calculate them and cache them
 			foreach ($allitems as $item) {
-				$this->avgcache[$item->get_item_type() . $item->get_id()]= $item->calc_score();
+				$this->avgcache[$item->get_item_type().$item->get_id()] = $item->calc_score();
 			}
 			usort($allitems, array('UserDataGenerator', 'sort_by_average'));
 		} elseif ($sorting & self :: UDG_SORT_SCORE) {
 			// if user sorts on student's scores, first calculate them and cache them
 			foreach ($allitems as $item) {
-				$this->scorecache[$item->get_item_type() . $item->get_id()]
+				$this->scorecache[$item->get_item_type().$item->get_id()]
 					= $item->calc_score($this->userid);
 			}
 			usort($allitems, array('UserDataGenerator', 'sort_by_score'));
 		} elseif ($sorting & self :: UDG_SORT_MASK) {
 			// if user sorts on student's masks, first calculate scores and cache them
 			foreach ($allitems as $item) {
-				$this->scorecache[$item->get_item_type() . $item->get_id()]
+				$this->scorecache[$item->get_item_type().$item->get_id()]
 					= $item->calc_score($this->userid);
 			}
 			usort($allitems, array('UserDataGenerator', 'sort_by_mask'));
@@ -132,7 +132,7 @@ 
 		// fill score cache if not done yet
 		if (!isset ($this->scorecache)) {
 			foreach ($visibleitems as $item) {
-				$this->scorecache[$item->get_item_type() . $item->get_id()]
+				$this->scorecache[$item->get_item_type().$item->get_id()]
 					= $item->calc_score($this->userid);
 			}
 
@@ -141,7 +141,7 @@ 
 		$scoredisplay = ScoreDisplay :: instance();
 		$data = array();
 		foreach ($visibleitems as $item) {
-			$row = array ();
+			$row = array();
 			$row[] = $item;
 			$row[] = $item->get_name();
 			$row[] = $this->build_course_name($item);
@@ -163,7 +163,7 @@ 
 	function sort_by_type($item1, $item2)
 	{
 		if ($item1->get_item_type() == $item2->get_item_type()) {
-			return $this->sort_by_name($item1,$item2);
+			return $this->sort_by_name($item1, $item2);
 		} else {
 			return ($item1->get_item_type() < $item2->get_item_type() ? -1 : 1);
 		}
@@ -203,7 +203,7 @@ 
 	 */
 	function sort_by_name($item1, $item2)
 	{
-		return api_strnatcmp($item1->get_name(),$item2->get_name());
+		return api_strnatcmp($item1->get_name(), $item2->get_name());
 	}
 
 	/**
@@ -213,8 +213,8 @@ 
 	 */
 	function sort_by_average($item1, $item2)
 	{
-		$score1 = $this->avgcache[$item1->get_item_type() . $item1->get_id()];
-		$score2 = $this->avgcache[$item2->get_item_type() . $item2->get_id()];
+		$score1 = $this->avgcache[$item1->get_item_type().$item1->get_id()];
+		$score2 = $this->avgcache[$item2->get_item_type().$item2->get_id()];
 
 		return $this->compare_scores($score1, $score2);
 	}
@@ -226,8 +226,8 @@ 
 	 */
 	function sort_by_score($item1, $item2)
 	{
-		$score1 = $this->scorecache[$item1->get_item_type() . $item1->get_id()];
-		$score2 = $this->scorecache[$item2->get_item_type() . $item2->get_id()];
+		$score1 = $this->scorecache[$item1->get_item_type().$item1->get_id()];
+		$score2 = $this->scorecache[$item2->get_item_type().$item2->get_id()];
 
 		return $this->compare_scores($score1, $score2);
 	}
@@ -239,8 +239,8 @@ 
 	 */
 	function sort_by_mask($item1, $item2)
 	{
-		$score1 = $this->scorecache[$item1->get_item_type() . $item1->get_id()];
-		$score2 = $this->scorecache[$item2->get_item_type() . $item2->get_id()];
+		$score1 = $this->scorecache[$item1->get_item_type().$item1->get_id()];
+		$score2 = $this->scorecache[$item2->get_item_type().$item2->get_id()];
 
 		return ScoreDisplay :: compare_scores_by_custom_display($score1, $score2);
 	}
@@ -256,10 +256,10 @@ 
 			return (isset($score2) ? 1 : 0);
 		} elseif (!isset($score2)) {
 			return -1;
-		} elseif (($score1[0]/$score1[1]) == ($score2[0]/$score2[1])) {
+		} elseif (($score1[0] / $score1[1]) == ($score2[0] / $score2[1])) {
 			return 0;
 		} else {
-			return (($score1[0]/$score1[1]) < ($score2[0]/$score2[1]) ? -1 : 1);
+			return (($score1[0] / $score1[1]) < ($score2[0] / $score2[1]) ? -1 : 1);
 		}
 	}
 
@@ -291,7 +291,7 @@ 
 	private function build_average_column($item, $ignore_score_color)
 	{
 		if (isset($this->avgcache)) {
-			$avgscore = $this->avgcache[$item->get_item_type() . $item->get_id()];
+			$avgscore = $this->avgcache[$item->get_item_type().$item->get_id()];
 		} else {
 			$avgscore = $item->calc_score();
 		}
@@ -311,7 +311,7 @@ 
 	 */
 	private function build_result_column($item, $ignore_score_color)
 	{
-		$studscore = $this->scorecache[$item->get_item_type() . $item->get_id()];
+		$studscore = $this->scorecache[$item->get_item_type().$item->get_id()];
 		$scoredisplay = ScoreDisplay :: instance();
 		$displaytype = SCORE_DIV_PERCENT;
 		if ($ignore_score_color) {
@@ -328,7 +328,7 @@ 
 	 */
 	private function build_mask_column($item, $ignore_score_color)
 	{
-		$studscore = $this->scorecache[$item->get_item_type() . $item->get_id()];
+		$studscore = $this->scorecache[$item->get_item_type().$item->get_id()];
 		$scoredisplay = ScoreDisplay :: instance();
 		$displaytype = SCORE_DIV_PERCENT;
 		if ($ignore_score_color) {
@@ -362,12 +362,12 @@ 
 		if (isset ($this->categorycache)
 			&& isset ($this->categorycache[$category_id])) {
 			return $this->categorycache[$category_id];
-		}else {
+		} else {
 			$cat = Category::load($category_id);
-			if (isset($cat)){
+			if (isset($cat)) {
 				$this->categorycache[$category_id] = $cat[0];
 				return $cat[0];
-			}else
+			} else
 				return null;
 		}
 	}
@@ -379,7 +379,7 @@ 
 	private function get_category_name_to_display($cat)
 	{
 		if (isset($cat)) {
-			if ($cat->get_parent_id() == '0' || $cat->get_parent_id() == null){
+			if ($cat->get_parent_id() == '0' || $cat->get_parent_id() == null) {
 				return '';
 			} else {
 				return $cat->get_name();

Braces +8 added lines, -6 removed lines

@@ -95,7 +95,7 @@ 
 		// sort users array
 		if ($sorting & self :: UDG_SORT_TYPE) {
 			usort($allitems, array('UserDataGenerator', 'sort_by_type'));
-		}elseif ($sorting & self :: UDG_SORT_NAME) {
+		} elseif ($sorting & self :: UDG_SORT_NAME) {
 			usort($allitems, array('UserDataGenerator', 'sort_by_name'));
 		} elseif ($sorting & self :: UDG_SORT_COURSE) {
 			usort($allitems, array('UserDataGenerator', 'sort_by_course'));
@@ -148,8 +148,9 @@ 
 			$row[] = $this->build_category_name($item);
 			$row[] = $this->build_average_column($item, $ignore_score_color);
 			$row[] = $this->build_result_column($item, $ignore_score_color);
-			if ($scoredisplay->is_custom())
-				$row[] = $this->build_mask_column($item, $ignore_score_color);
+			if ($scoredisplay->is_custom()) {
+							$row[] = $this->build_mask_column($item, $ignore_score_color);
+			}
 			$data[] = $row;
 		}
 		return $data;
@@ -362,13 +363,14 @@ 
 		if (isset ($this->categorycache)
 			&& isset ($this->categorycache[$category_id])) {
 			return $this->categorycache[$category_id];
-		}else {
+		} else {
 			$cat = Category::load($category_id);
 			if (isset($cat)){
 				$this->categorycache[$category_id] = $cat[0];
 				return $cat[0];
-			}else
-				return null;
+			} else {
+							return null;
+			}
 		}
 	}
 

main/inc/lib/AnnouncementManager.php

Doc Comments +9 added lines, -5 removed lines

@@ -18,7 +18,7 @@ 
     }
 
     /**
-     * @return array
+     * @return string[]
      */
     public static function get_tags()
     {
@@ -40,7 +40,7 @@ 
      * @param string    $course_code
      * @param int       $session_id
      *
-     * @return mixed
+     * @return string
      */
     public static function parse_content($userId, $content, $course_code, $session_id = 0)
     {
@@ -349,7 +349,7 @@ 
      * @param array	    uploaded file $_FILES
      * @param string    Comment describing the attachment
      * @param bool  $sendToUsersInSession
-     * @return int      false on failure, ID of the announcement on success
+     * @return false|string      false on failure, ID of the announcement on success
      */
     public static function add_announcement(
         $emailTitle,
@@ -460,7 +460,7 @@ 
      * @param $to_users
      * @param array $file
      * @param string $file_comment
-     * @return bool|int
+     * @return false|string
      */
     public static function add_group_announcement(
         $emailTitle,
@@ -699,7 +699,7 @@ 
 
     /**
      * @param int $insert_id
-     * @return bool
+     * @return false|null
      */
     public static function update_mail_sent($insert_id)
     {
@@ -719,6 +719,7 @@ 
      * Gets all announcements from a user by course
      * @param	string course db
      * @param	int user id
+     * @param integer $user_id
      * @return	array html with the content and count of announcements or false otherwise
      */
     public static function get_all_annoucement_by_user_course($course_code, $user_id)
@@ -1184,6 +1185,7 @@ 
      * has been sent to
      * @param    string  The tool (announcement, agenda, ...)
      * @param    int     ID of the element of the corresponding type
+     * @param string $tool
      * @return   array   Array of users and groups to whom the element has been sent
      */
     public static function sent_to($tool, $id)
@@ -1308,6 +1310,8 @@ 
      * @param int attach id
      * @param array uploaded file $_FILES
      * @param string file comment
+     * @param integer $id_attach
+     * @param string $file_comment
      * @return int
      */
     public static function edit_announcement_attachment_file($id_attach, $file, $file_comment)

Indentation +1 added lines, -1 removed lines

@@ -1510,7 +1510,7 @@
                             ip.to_user_id=$user_id OR (ip.to_group_id IS NULL OR ip.to_group_id IN (0, ".implode(", ", $group_memberships)."))
                         ) ";
                     } else {
-                       $cond_user_id = " AND (
+                        $cond_user_id = " AND (
                             ip.to_user_id=$user_id OR (ip.to_group_id IS NULL OR ip.to_group_id IN (0, ".api_get_group_id()."))
                         )";
                     }

Spacing +73 added lines, -73 removed lines

@@ -216,8 +216,8 @@ 
                             announcement.id = '$announcement_id' AND
                             toolitemproperties.tool='announcement' AND
                             (
-                                toolitemproperties.to_user_id='" . api_get_user_id() . "' OR
-                                toolitemproperties.to_group_id IN ('0', '" . implode("', '", $group_list) . "') OR
+                                toolitemproperties.to_user_id='".api_get_user_id()."' OR
+                                toolitemproperties.to_group_id IN ('0', '" . implode("', '", $group_list)."') OR
                                 toolitemproperties.to_group_id IS NULL
                             ) AND
                             toolitemproperties.visibility='1' AND
@@ -246,13 +246,13 @@ 
             $title = $result['title'];
             $content = $result['content'];
             $html .= "<table height=\"100\" width=\"100%\" cellpadding=\"5\" cellspacing=\"0\" class=\"data_table\">";
-            $html .= "<tr><td><h2>" . $title . "</h2></td></tr>";
+            $html .= "<tr><td><h2>".$title."</h2></td></tr>";
 
             if (api_is_allowed_to_edit(false, true) ||
                 (api_get_course_setting('allow_user_edit_announcement') && !api_is_anonymous())
             ) {
-                $modify_icons = "<a href=\"" . api_get_self() . "?" . api_get_cidreq() . "&action=modify&id=" . $announcement_id . "\">" .
-                    Display::return_icon('edit.png', get_lang('Edit'), '', ICON_SIZE_SMALL) . "</a>";
+                $modify_icons = "<a href=\"".api_get_self()."?".api_get_cidreq()."&action=modify&id=".$announcement_id."\">".
+                    Display::return_icon('edit.png', get_lang('Edit'), '', ICON_SIZE_SMALL)."</a>";
                 if ($result['visibility'] == 1) {
                     $image_visibility = "visible";
                     $alt_visibility = get_lang('Hide');
@@ -262,12 +262,12 @@ 
                 }
                 global $stok;
 
-                $modify_icons .= "<a href=\"" . api_get_self() . "?" . api_get_cidreq() . "&origin=" . (!empty($_GET['origin']) ? Security::remove_XSS($_GET['origin']) : '') . "&action=showhide&id=" . $announcement_id . "&sec_token=" . $stok . "\">" .
-                    Display::return_icon($image_visibility . '.png', $alt_visibility, '', ICON_SIZE_SMALL) . "</a>";
+                $modify_icons .= "<a href=\"".api_get_self()."?".api_get_cidreq()."&origin=".(!empty($_GET['origin']) ? Security::remove_XSS($_GET['origin']) : '')."&action=showhide&id=".$announcement_id."&sec_token=".$stok."\">".
+                    Display::return_icon($image_visibility.'.png', $alt_visibility, '', ICON_SIZE_SMALL)."</a>";
 
                 if (api_is_allowed_to_edit(false, true)) {
-                    $modify_icons .= "<a href=\"" . api_get_self() . "?" . api_get_cidreq() . "&action=delete&id=" . $announcement_id . "&sec_token=" . $stok . "\" onclick=\"javascript:if(!confirm('" . addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES, $charset)) . "')) return false;\">" .
-                        Display::return_icon('delete.png', get_lang('Delete'), '', ICON_SIZE_SMALL) .
+                    $modify_icons .= "<a href=\"".api_get_self()."?".api_get_cidreq()."&action=delete&id=".$announcement_id."&sec_token=".$stok."\" onclick=\"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES, $charset))."')) return false;\">".
+                        Display::return_icon('delete.png', get_lang('Delete'), '', ICON_SIZE_SMALL).
                         "</a>";
                 }
                 $html .= "<tr><th style='text-align:right'>$modify_icons</th></tr>";
@@ -276,7 +276,7 @@ 
             $content = self::parse_content($result['to_user_id'], $content, api_get_course_id(), api_get_session_id());
 
             $html .= "<tr><td>$content</td></tr>";
-            $html .= "<tr><td class=\"announcements_datum\">" . get_lang('LastUpdateDate') . " : " . api_convert_and_format_date($result['insert_date'], DATE_TIME_FORMAT_LONG) . "</td></tr>";
+            $html .= "<tr><td class=\"announcements_datum\">".get_lang('LastUpdateDate')." : ".api_convert_and_format_date($result['insert_date'], DATE_TIME_FORMAT_LONG)."</td></tr>";
 
             // User or group icon
             $sent_to_icon = '';
@@ -288,7 +288,7 @@ 
                 $sent_to_form = self::sent_to_form($sent_to);
                 $html .= Display::tag(
                     'td',
-                    get_lang('SentTo') . ' : ' . $sent_to_form,
+                    get_lang('SentTo').' : '.$sent_to_form,
                     array('class' => 'announcements_datum')
                 );
             }
@@ -298,15 +298,15 @@ 
                 $html .= "<tr><td>";
                 $realname = $attachment_list['path'];
                 $user_filename = $attachment_list['filename'];
-                $full_file_name = 'download.php?'.api_get_cidreq().'&file=' . $realname;
+                $full_file_name = 'download.php?'.api_get_cidreq().'&file='.$realname;
                 $html .= '<br/>';
                 $html .= Display::return_icon('attachment.gif', get_lang('Attachment'));
-                $html .= '<a href="' . $full_file_name . ' "> ' . $user_filename . ' </a>';
-                $html .= ' - <span class="forum_attach_comment" >' . $attachment_list['comment'] . '</span>';
+                $html .= '<a href="'.$full_file_name.' "> '.$user_filename.' </a>';
+                $html .= ' - <span class="forum_attach_comment" >'.$attachment_list['comment'].'</span>';
                 if (api_is_allowed_to_edit(false, true)) {
                     $html .= Display::url(
                         Display::return_icon('delete.png', get_lang('Delete'), '', 16),
-                        api_get_self() . "?" . api_get_cidreq() . "&action=delete_attachment&id_attach=" . $attachment_list['id'] . "&sec_token=" . $stok
+                        api_get_self()."?".api_get_cidreq()."&action=delete_attachment&id_attach=".$attachment_list['id']."&sec_token=".$stok
                     );
                 }
                 $html .= '</td></tr>';
@@ -334,7 +334,7 @@ 
         $order = 0;
         if (Database::num_rows($res_max)) {
             $row_max = Database::fetch_array($res_max);
-            $order = intval($row_max[0])+1;
+            $order = intval($row_max[0]) + 1;
         }
 
         return $order;
@@ -754,8 +754,8 @@ 
             $result = array();
             if ($num_rows > 0) {
                 while ($myrow = Database::fetch_array($rs)) {
-                    $content.= '<strong>' . $myrow['title'] . '</strong><br /><br />';
-                    $content.= $myrow['content'];
+                    $content .= '<strong>'.$myrow['title'].'</strong><br /><br />';
+                    $content .= $myrow['content'];
                     $i++;
                 }
                 $result['content'] = $content;
@@ -786,7 +786,7 @@ 
         echo "<table id=\"recipient_list\" >";
         echo '<tr>';
         echo '<td>';
-        echo '<label><input type="checkbox" id="send_to_all_users">'.get_lang('SendToAllUsers') . "</label>";
+        echo '<label><input type="checkbox" id="send_to_all_users">'.get_lang('SendToAllUsers')."</label>";
         echo "</td>";
         echo '</tr>';
         echo '<tr>';
@@ -794,7 +794,7 @@ 
 
         // the form containing all the groups and all the users of the course
         echo '<td>';
-        echo "<strong>" . get_lang('Users') . "</strong><br />";
+        echo "<strong>".get_lang('Users')."</strong><br />";
 
         self::construct_not_selected_select_form($groupList, $userList, $to_already_selected);
         echo "</td>";
@@ -809,7 +809,7 @@ 
         echo "<td>";
 
         // the form containing the selected groups and users
-        echo "<strong>" . get_lang('DestinationUsers') . "</strong><br />";
+        echo "<strong>".get_lang('DestinationUsers')."</strong><br />";
         self::construct_selected_select_form($groupList, $userList, $to_already_selected);
         echo "</td>";
         echo "</tr>";
@@ -827,8 +827,8 @@ 
         echo "<select id=\"not_selected_form\" name=\"not_selected_form[]\" size=5 style=\"width:200px\" multiple>";
         $group_users = GroupManager::getStudentsAndTutors($group_id);
         foreach ($group_users as $user) {
-            echo '<option value="' . $user['user_id'] . '" title="' . sprintf(get_lang('LoginX'), $user['username']) . '" >' .
-                api_get_person_name($user['firstname'], $user['lastname']) .
+            echo '<option value="'.$user['user_id'].'" title="'.sprintf(get_lang('LoginX'), $user['username']).'" >'.
+                api_get_person_name($user['firstname'], $user['lastname']).
                 '</option>';
         }
         echo '</select>';
@@ -866,12 +866,12 @@ 
         if (!empty($groupList)) {
             foreach ($groupList as $this_group) {
                 if (is_array($to_already_selected)) {
-                    if (!in_array("GROUP:" . $this_group['id'], $to_already_selected)) {
+                    if (!in_array("GROUP:".$this_group['id'], $to_already_selected)) {
                         // $to_already_selected is the array containing the groups (and users) that are already selected
-                        $user_label = ($this_group['userNb'] > 0) ? get_lang('Users') : get_lang('LowerCaseUser') ;
-                        $user_disabled = ($this_group['userNb'] > 0) ? "" : "disabled=disabled" ;
-                        echo "<option $user_disabled value=\"GROUP:" . $this_group['id'] . "\">",
-                        "G: ", $this_group['name'], " - " . $this_group['userNb'] . " " . $user_label .
+                        $user_label = ($this_group['userNb'] > 0) ? get_lang('Users') : get_lang('LowerCaseUser');
+                        $user_disabled = ($this_group['userNb'] > 0) ? "" : "disabled=disabled";
+                        echo "<option $user_disabled value=\"GROUP:".$this_group['id']."\">",
+                        "G: ", $this_group['name'], " - ".$this_group['userNb']." ".$user_label.
                             "</option>";
                     }
                 }
@@ -885,15 +885,15 @@ 
         if (!empty($userList)) {
             foreach ($userList as $user) {
                 if (is_array($to_already_selected)) {
-                    if (!in_array("USER:" . $user['user_id'], $to_already_selected)) {
+                    if (!in_array("USER:".$user['user_id'], $to_already_selected)) {
                         // $to_already_selected is the array containing the users (and groups) that are already selected
-                        echo "<option value=\"USER:" . $user['user_id'] . "\" title='" . sprintf(get_lang('LoginX'), $user['username']) . "'>",
+                        echo "<option value=\"USER:".$user['user_id']."\" title='".sprintf(get_lang('LoginX'), $user['username'])."'>",
                         "", api_get_person_name($user['firstname'], $user['lastname']),
                         "</option>";
 
                         if (isset($user['drh_list']) && !empty($user['drh_list'])) {
                             foreach ($user['drh_list'] as $drh) {
-                                echo "<option value=\"USER:" . $drh['user_id'] . "\" title='" . sprintf(get_lang('LoginX'), $drh['username']) . "'>&nbsp;&nbsp;&nbsp;&nbsp;",
+                                echo "<option value=\"USER:".$drh['user_id']."\" title='".sprintf(get_lang('LoginX'), $drh['username'])."'>&nbsp;&nbsp;&nbsp;&nbsp;",
                                 "", api_get_person_name($drh['firstname'], $drh['lastname']),
                                 "</option>";
                             }
@@ -925,16 +925,16 @@ 
             foreach ($to_already_selected as $groupuser) {
                 list($type, $id) = explode(":", $groupuser);
                 if ($type == "GROUP") {
-                    echo "<option value=\"" . $groupuser . "\">G: " . $ref_array_groups[$id]['name'] . "</option>";
+                    echo "<option value=\"".$groupuser."\">G: ".$ref_array_groups[$id]['name']."</option>";
                 } else {
                     foreach ($ref_array_users as $key => $value) {
                         if ($value['user_id'] == $id) {
-                            echo "<option value=\"" . $groupuser . "\" title='" . sprintf(get_lang('LoginX'), $value['username']) . "'>" .
-                                api_get_person_name($value['firstname'], $value['lastname']) . "</option>";
+                            echo "<option value=\"".$groupuser."\" title='".sprintf(get_lang('LoginX'), $value['username'])."'>".
+                                api_get_person_name($value['firstname'], $value['lastname'])."</option>";
 
                             if (isset($value['drh_list']) && !empty($value['drh_list'])) {
                                 foreach ($value['drh_list'] as $drh) {
-                                    echo "<option value=\"USER:" . $drh['user_id'] . "\" title='" . sprintf(get_lang('LoginX'), $drh['username']) . "'>&nbsp;&nbsp;&nbsp;&nbsp;",
+                                    echo "<option value=\"USER:".$drh['user_id']."\" title='".sprintf(get_lang('LoginX'), $drh['username'])."'>&nbsp;&nbsp;&nbsp;&nbsp;",
                                     "", api_get_person_name($drh['firstname'], $drh['lastname']),
                                     "</option>";
                                 }
@@ -950,17 +950,17 @@ 
                 if (is_array($ref_array_groups)) {
                     foreach ($ref_array_groups as $this_group) {
                         //api_display_normal_message("group " . $thisGroup[id] . $thisGroup[name]);
-                        if (!is_array($to_already_selected) || !in_array("GROUP:" . $this_group['id'], $to_already_selected)) { // $to_already_selected is the array containing the groups (and users) that are already selected
-                            echo "<option value=\"GROUP:" . $this_group['id'] . "\">",
-                            "G: ", $this_group['name'], " &ndash; " . $this_group['userNb'] . " " . get_lang('Users') .
+                        if (!is_array($to_already_selected) || !in_array("GROUP:".$this_group['id'], $to_already_selected)) { // $to_already_selected is the array containing the groups (and users) that are already selected
+                            echo "<option value=\"GROUP:".$this_group['id']."\">",
+                            "G: ", $this_group['name'], " &ndash; ".$this_group['userNb']." ".get_lang('Users').
                                 "</option>";
                         }
                     }
                 }
                 // adding the individual users to the select form
                 foreach ($ref_array_users as $this_user) {
-                    if (!is_array($to_already_selected) || !in_array("USER:" . $this_user['user_id'], $to_already_selected)) { // $to_already_selected is the array containing the users (and groups) that are already selected
-                        echo "<option value=\"USER:", $this_user['user_id'], "\"  title='" . sprintf(get_lang('LoginX'), $this_user['username']) . "'>",
+                    if (!is_array($to_already_selected) || !in_array("USER:".$this_user['user_id'], $to_already_selected)) { // $to_already_selected is the array containing the users (and groups) that are already selected
+                        echo "<option value=\"USER:", $this_user['user_id'], "\"  title='".sprintf(get_lang('LoginX'), $this_user['username'])."'>",
                         "", api_get_person_name($this_user['firstname'], $this_user['lastname']),
                         "</option>";
                     }
@@ -1073,14 +1073,14 @@ 
             switch ($to_group) {
                 // it was send to one specific user
                 case null:
-                    $to[] = "USER:" . $row['to_user_id'];
+                    $to[] = "USER:".$row['to_user_id'];
                     break;
                 // it was sent to everyone
                 case 0:
                     return "everyone";
                     break;
                 default:
-                    $to[] = "GROUP:" . $row['to_group_id'];
+                    $to[] = "GROUP:".$row['to_group_id'];
             }
         }
         return $to;
@@ -1161,10 +1161,10 @@ 
                 $sent_to_array['groups'][0] !== 0
             ) {
                 $group_id = $sent_to_array['groups'][0];
-                $output[] = "&nbsp;" . $group_names[$group_id]['name'];
+                $output[] = "&nbsp;".$group_names[$group_id]['name'];
             }
             if (empty($sent_to_array['groups']) and empty($sent_to_array['users'])) {
-                $output[] = "&nbsp;" . get_lang('Everybody');
+                $output[] = "&nbsp;".get_lang('Everybody');
             }
         }
 
@@ -1199,7 +1199,7 @@ 
 
         $sql = "SELECT to_group_id, to_user_id
                 FROM $tbl_item_property
-                WHERE c_id = $course_id AND tool = '$tool' AND ref=" . $id;
+                WHERE c_id = $course_id AND tool = '$tool' AND ref=".$id;
         $result = Database::query($sql);
 
         while ($row = Database::fetch_array($result)) {
@@ -1238,8 +1238,8 @@ 
         $announcement_id = intval($announcement_id);
         $course_id = api_get_course_int_id();
         $row = array();
-        $sql = 'SELECT id, path, filename, comment FROM ' . $tbl_announcement_attachment . '
-				WHERE c_id = ' . $course_id . ' AND announcement_id = ' . $announcement_id . '';
+        $sql = 'SELECT id, path, filename, comment FROM '.$tbl_announcement_attachment.'
+				WHERE c_id = ' . $course_id.' AND announcement_id = '.$announcement_id.'';
         $result = Database::query($sql);
         if (Database::num_rows($result) != 0) {
             $row = Database::fetch_array($result, 'ASSOC');
@@ -1264,9 +1264,9 @@ 
 
         if (is_array($file) && $file['error'] == 0) {
             // TODO: This path is obsolete. The new document repository scheme should be kept in mind here.
-            $courseDir = $_course['path'] . '/upload/announcements';
+            $courseDir = $_course['path'].'/upload/announcements';
             $sys_course_path = api_get_path(SYS_COURSE_PATH);
-            $updir = $sys_course_path . $courseDir;
+            $updir = $sys_course_path.$courseDir;
 
             // Try to add an extension to the file if it hasn't one
             $new_file_name = add_ext_on_mime(stripslashes($file['name']), $file['type']);
@@ -1278,7 +1278,7 @@ 
                 Display :: display_error_message(get_lang('UplUnableToSaveFileFilteredExtension'));
             } else {
                 $new_file_name = uniqid('');
-                $new_path = $updir . '/' . $new_file_name;
+                $new_path = $updir.'/'.$new_file_name;
                 move_uploaded_file($file['tmp_name'], $new_path);
 
                 $params = [
@@ -1319,9 +1319,9 @@ 
 
         if (is_array($file) && $file['error'] == 0) {
             // TODO: This path is obsolete. The new document repository scheme should be kept in mind here.
-            $courseDir = $_course['path'] . '/upload/announcements';
+            $courseDir = $_course['path'].'/upload/announcements';
             $sys_course_path = api_get_path(SYS_COURSE_PATH);
-            $updir = $sys_course_path . $courseDir;
+            $updir = $sys_course_path.$courseDir;
 
             // Try to add an extension to the file if it hasn't one
             $new_file_name = add_ext_on_mime(stripslashes($file['name']), $file['type']);
@@ -1333,13 +1333,13 @@ 
                 Display :: display_error_message(get_lang('UplUnableToSaveFileFilteredExtension'));
             } else {
                 $new_file_name = uniqid('');
-                $new_path = $updir . '/' . $new_file_name;
+                $new_path = $updir.'/'.$new_file_name;
                 @move_uploaded_file($file['tmp_name'], $new_path);
                 $safe_file_comment = Database::escape_string($file_comment);
                 $safe_file_name = Database::escape_string($file_name);
                 $safe_new_file_name = Database::escape_string($new_file_name);
                 $id_attach = intval($id_attach);
-                $sql = "UPDATE $tbl_announcement_attachment SET filename = '$safe_file_name', comment = '$safe_file_comment', path = '$safe_new_file_name', size ='" . intval($file['size']) . "'
+                $sql = "UPDATE $tbl_announcement_attachment SET filename = '$safe_file_name', comment = '$safe_file_comment', path = '$safe_new_file_name', size ='".intval($file['size'])."'
 					 	WHERE c_id = $course_id AND id = '$id_attach'";
                 $result = Database::query($sql);
                 if ($result === false) {
@@ -1441,7 +1441,7 @@ 
 
             //if (!empty($user_id)) {
             if (0) {
-                if (is_array($group_memberships) && count($group_memberships) > 0 ) {
+                if (is_array($group_memberships) && count($group_memberships) > 0) {
                     $sql = "SELECT $select
                             FROM $tbl_announcement announcement, $tbl_item_property ip
                             WHERE
@@ -1652,8 +1652,8 @@ 
                 $attachment_list = AnnouncementManager::get_attachment($myrow['id']);
 
                 $attachment_icon = '';
-                if (count($attachment_list)>0) {
-                    $attachment_icon = ' '.Display::return_icon('attachment.gif',get_lang('Attachment'));
+                if (count($attachment_list) > 0) {
+                    $attachment_icon = ' '.Display::return_icon('attachment.gif', get_lang('Attachment'));
                 }
 
                 /* TITLE */
@@ -1672,16 +1672,16 @@ 
                     || (api_get_course_setting('allow_user_edit_announcement') && !api_is_anonymous())
                 ) {
                     $modify_icons = "<a href=\"".$actionUrl."&action=modify&id=".$myrow['id']."\">".
-                        Display::return_icon('edit.png', get_lang('Edit'),'',ICON_SIZE_SMALL)."</a>";
-                    if ($myrow['visibility']==1) {
-                        $image_visibility="visible";
-                        $alt_visibility=get_lang('Hide');
+                        Display::return_icon('edit.png', get_lang('Edit'), '', ICON_SIZE_SMALL)."</a>";
+                    if ($myrow['visibility'] == 1) {
+                        $image_visibility = "visible";
+                        $alt_visibility = get_lang('Hide');
                     } else {
-                        $image_visibility="invisible";
-                        $alt_visibility=get_lang('Visible');
+                        $image_visibility = "invisible";
+                        $alt_visibility = get_lang('Visible');
                     }
-                    $modify_icons .=  "<a href=\"".$actionUrl."&origin=".$origin."&action=showhide&id=".$myrow['id']."&sec_token=".$stok."\">".
-                        Display::return_icon($image_visibility.'.png', $alt_visibility,'',ICON_SIZE_SMALL)."</a>";
+                    $modify_icons .= "<a href=\"".$actionUrl."&origin=".$origin."&action=showhide&id=".$myrow['id']."&sec_token=".$stok."\">".
+                        Display::return_icon($image_visibility.'.png', $alt_visibility, '', ICON_SIZE_SMALL)."</a>";
 
                     // DISPLAY MOVE UP COMMAND only if it is not the top announcement
                     if ($iterator != 1) {
@@ -1696,12 +1696,12 @@ 
                     } else {
                         $modify_icons .= Display::return_icon('down_na.gif', get_lang('Down'));
                     }
-                    if (api_is_allowed_to_edit(false,true)) {
-                        $modify_icons .= "<a href=\"".$actionUrl."&action=delete&id=".$myrow['id']."&sec_token=".$stok."\" onclick=\"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,api_get_system_encoding()))."')) return false;\">".
-                            Display::return_icon('delete.png', get_lang('Delete'),'',ICON_SIZE_SMALL).
+                    if (api_is_allowed_to_edit(false, true)) {
+                        $modify_icons .= "<a href=\"".$actionUrl."&action=delete&id=".$myrow['id']."&sec_token=".$stok."\" onclick=\"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES, api_get_system_encoding()))."')) return false;\">".
+                            Display::return_icon('delete.png', get_lang('Delete'), '', ICON_SIZE_SMALL).
                             "</a>";
                     }
-                    $iterator ++;
+                    $iterator++;
                 } else {
                     $modify_icons = Display::url(
                         Display::return_icon('default.png'),
@@ -1731,7 +1731,7 @@ 
     public static function getNumberAnnouncements()
     {
         // Maximum title messages to display
-        $maximum 	= '12';
+        $maximum = '12';
         // Database Table Definitions
         $tbl_announcement = Database::get_course_table(TABLE_ANNOUNCEMENT);
         $tbl_item_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
@@ -1742,7 +1742,7 @@ 
         $userId = api_get_user_id();
         $condition_session = api_get_session_condition($session_id, true, true, 'announcement.session_id');
 
-        if (api_is_allowed_to_edit(false,true))  {
+        if (api_is_allowed_to_edit(false, true)) {
             // check teacher status
             if (empty($_GET['origin']) or $_GET['origin'] !== 'learnpath') {
 
@@ -1805,7 +1805,7 @@ 
                 }
 
                 // the user is member of several groups => display personal announcements AND his group announcements AND the general announcements
-                if (is_array($group_memberships) && count($group_memberships)>0) {
+                if (is_array($group_memberships) && count($group_memberships) > 0) {
                     $sql = "SELECT announcement.*, ip.visibility, ip.to_group_id, ip.insert_user_id
                     FROM $tbl_announcement announcement, $tbl_item_property ip
                     WHERE
@@ -1855,7 +1855,7 @@ 
                         }
 
                         // the user is not identiefied => show only the general announcements
-                        $sql="SELECT announcement.*, ip.visibility, ip.to_group_id, ip.insert_user_id
+                        $sql = "SELECT announcement.*, ip.visibility, ip.to_group_id, ip.insert_user_id
                                 FROM $tbl_announcement announcement, $tbl_item_property ip
                                 WHERE
                                     announcement.c_id = $course_id AND

main/inc/lib/course_home.lib.php

Doc Comments +3 added lines, -2 removed lines

@@ -213,7 +213,7 @@ 
     /**
      * Displays the tools of a certain category.
      *
-     * @return void
+     * @return string
      * @param string $course_tool_category	contains the category of tools to display:
      * "Public", "PublicButHide", "courseAdmin", "claroAdmin"
      */
@@ -650,7 +650,7 @@ 
      * @param array $all_tools_list List of tools as returned by get_tools_category()
      * @param bool  $rows
      *
-     * @return void
+     * @return string
      */
     public static function show_tools_category($all_tools_list, $rows = false)
     {
@@ -1194,6 +1194,7 @@ 
 
     /**
      * Show a toolbar with shortcuts to the course tool
+     * @param integer $orientation
      */
     public static function show_navigation_tool_shortcuts($orientation = SHORTCUTS_HORIZONTAL)
     {

Spacing +6 added lines, -6 removed lines

@@ -356,7 +356,7 @@ 
                         array(),
                         null,
                         ICON_SIZE_MEDIUM
-                    ) . '&nbsp;' . $tool_name . '</a>';
+                    ).'&nbsp;'.$tool_name.'</a>';
 
                 // This part displays the links to hide or remove a tool.
                 // These links are only visible by the course manager.
@@ -683,7 +683,7 @@ 
         $session_id = api_get_session_id();
         $is_platform_admin = api_is_platform_admin();
 
-        if ($session_id == 0 ) {
+        if ($session_id == 0) {
             $is_allowed_to_edit = api_is_allowed_to_edit(null, true) && api_is_course_admin();
         } else {
             $is_allowed_to_edit = api_is_allowed_to_edit(null, true) && !api_is_coach();
@@ -1061,8 +1061,8 @@ 
 
         $toolName = api_underscore_to_camel_case($toolName);
 
-        if (isset($GLOBALS['Tool' . $toolName])) {
-            return get_lang('Tool' . $toolName);
+        if (isset($GLOBALS['Tool'.$toolName])) {
+            return get_lang('Tool'.$toolName);
         }
 
         return $toolName;
@@ -1266,7 +1266,7 @@ 
             return array();
         }
 
-        $table  = Database::get_course_table(TABLE_TOOL_LIST);
+        $table = Database::get_course_table(TABLE_TOOL_LIST);
         $sql = "SELECT * FROM $table
                 WHERE category in ('authoring','interaction')
                 AND c_id = $courseId
@@ -1372,7 +1372,7 @@ 
             $temp = new Image($path);
             $r = $temp->convert2bw();
             $ext = pathinfo($path, PATHINFO_EXTENSION);
-            $bwPath = substr($path,0,-(strlen($ext)+1)) . '_na.' . $ext;
+            $bwPath = substr($path, 0, -(strlen($ext) + 1)).'_na.'.$ext;
 
             if ($r === false) {
                 error_log('Conversion to B&W of '.$path.' failed in '.__FILE__.' at line '.__LINE__);

main/inc/lib/diagnoser.lib.php

Doc Comments +6 added lines

@@ -351,6 +351,12 @@
 
     /**
      * Additional functions needed for fast integration
+     * @param integer $status
+     * @param string $section
+     * @param string $title
+     * @param string $url
+     * @param string|null $formatter
+     * @param string $comment
      */
     public function build_setting($status, $section, $title, $url, $current_value, $expected_value, $formatter, $comment, $img_path = null) {
         switch ($status) {

Indentation +13 added lines, -13 removed lines

@@ -401,19 +401,19 @@
 
     public function format_yes_no_optional($value)
     {
-    	$return = '';
-    	switch($value) {
-     		case 0:
-     			$return = get_lang('No');
-     			break;
-     		case 1:
-     			$return = get_lang('Yes');
-     			break;
-			case 2:
-				$return = get_lang('Optional');
-				break;
-    	}
-    	return $return;
+        $return = '';
+        switch($value) {
+                case 0:
+                 $return = get_lang('No');
+                    break;
+                case 1:
+                 $return = get_lang('Yes');
+                    break;
+            case 2:
+                $return = get_lang('Optional');
+                break;
+        }
+        return $return;
 
     }
 

Braces +13 added lines, -9 removed lines

@@ -158,8 +158,9 @@ 
         $array[] = $this->build_setting($status, '[INI]', 'display_errors', 'http://www.php.net/manual/en/ini.core.php#ini.display_errors', $setting, $req_setting, 'on_off', get_lang('DisplayErrorsInfo'));
 
         $setting = ini_get('default_charset');
-        if ($setting == '')
-            $setting = null;
+        if ($setting == '') {
+                    $setting = null;
+        }
         $req_setting = null;
         $status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_ERROR;
         $array[] = $this->build_setting($status, '[INI]', 'default_charset', 'http://www.php.net/manual/en/ini.core.php#ini.default-charset', $setting, $req_setting, null, get_lang('DefaultCharsetInfo'));
@@ -177,22 +178,25 @@ 
         $setting = ini_get('memory_limit');
         $req_setting = '>= '.REQUIRED_MIN_MEMORY_LIMIT.'M';
         $status = self :: STATUS_ERROR;
-        if ((float)$setting >= REQUIRED_MIN_MEMORY_LIMIT)
-            $status = self :: STATUS_OK;
+        if ((float)$setting >= REQUIRED_MIN_MEMORY_LIMIT) {
+                    $status = self :: STATUS_OK;
+        }
         $array[] = $this->build_setting($status, '[INI]', 'memory_limit', 'http://www.php.net/manual/en/ini.core.php#ini.memory-limit', $setting, $req_setting, null, get_lang('MemoryLimitInfo'));
 
         $setting = ini_get('post_max_size');
         $req_setting = '>= '.REQUIRED_MIN_POST_MAX_SIZE.'M';
         $status = self :: STATUS_ERROR;
-        if ((float)$setting >= REQUIRED_MIN_POST_MAX_SIZE)
-            $status = self :: STATUS_OK;
+        if ((float)$setting >= REQUIRED_MIN_POST_MAX_SIZE) {
+                    $status = self :: STATUS_OK;
+        }
         $array[] = $this->build_setting($status, '[INI]', 'post_max_size', 'http://www.php.net/manual/en/ini.core.php#ini.post-max-size', $setting, $req_setting, null, get_lang('PostMaxSizeInfo'));
 
         $setting = ini_get('upload_max_filesize');
         $req_setting = '>= '.REQUIRED_MIN_UPLOAD_MAX_FILESIZE.'M';
         $status = self :: STATUS_ERROR;
-        if ((float)$setting >= REQUIRED_MIN_UPLOAD_MAX_FILESIZE)
-            $status = self :: STATUS_OK;
+        if ((float)$setting >= REQUIRED_MIN_UPLOAD_MAX_FILESIZE) {
+                    $status = self :: STATUS_OK;
+        }
         $array[] = $this->build_setting($status, '[INI]', 'upload_max_filesize', 'http://www.php.net/manual/en/ini.core.php#ini.upload_max_filesize', $setting, $req_setting, null, get_lang('UploadMaxFilesizeInfo'));
 
         $setting = ini_get('variables_order');
@@ -205,7 +209,7 @@ 
         $status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_WARNING;
         $array[] = $this->build_setting($status, '[SESSION]', 'session.gc_maxlifetime', 'http://www.php.net/manual/en/ini.core.php#session.gc-maxlifetime', $setting, $req_setting, null, get_lang('SessionGCMaxLifetimeInfo'));
 
-        if (api_check_browscap()){$setting = true;}else{$setting=false;}
+        if (api_check_browscap()){$setting = true;} else{$setting=false;}
         $req_setting = true;
         $status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_WARNING;
         $array[] = $this->build_setting($status, '[INI]', 'browscap', 'http://www.php.net/manual/en/misc.configuration.php#ini.browscap', $setting, $req_setting, 'on_off', get_lang('BrowscapInfo'));

Spacing +27 added lines, -27 removed lines

@@ -15,7 +15,7 @@ 
 {
     const STATUS_OK = 1;
     const STATUS_WARNING = 2;
-    const STATUS_ERROR 	= 3;
+    const STATUS_ERROR = 3;
     const STATUS_INFORMATION = 4;
 
     /**
@@ -44,21 +44,21 @@ 
                 $html .= '<li>';
             }
             $params['section'] = $section;
-            $html .='<a href="system_status.php?section='.$section.'">'.get_lang($section).'</a></li>';
+            $html .= '<a href="system_status.php?section='.$section.'">'.get_lang($section).'</a></li>';
         }
 
         $html .= '</ul><div class="tab-pane">';
 
-        $data = call_user_func(array($this, 'get_' . $current_section . '_data'));
+        $data = call_user_func(array($this, 'get_'.$current_section.'_data'));
         echo $html;
         $table = new SortableTableFromArray($data, 1, 100);
 
-        $table->set_header(0,'', false);
-        $table->set_header(1,get_lang('Section'), false);
-        $table->set_header(2,get_lang('Setting'), false);
-        $table->set_header(3,get_lang('Current'), false);
-        $table->set_header(4,get_lang('Expected'), false);
-        $table->set_header(5,get_lang('Comment'), false);
+        $table->set_header(0, '', false);
+        $table->set_header(1, get_lang('Section'), false);
+        $table->set_header(2, get_lang('Setting'), false);
+        $table->set_header(3, get_lang('Current'), false);
+        $table->set_header(4, get_lang('Expected'), false);
+        $table->set_header(5, get_lang('Comment'), false);
 
         $table->display();
         echo '</div></div>';
@@ -72,11 +72,11 @@ 
     {
         $array = array();
         $writable_folders = array(
-            api_get_path(SYS_APP_PATH) .'cache',
+            api_get_path(SYS_APP_PATH).'cache',
             api_get_path(SYS_COURSE_PATH),
-            api_get_path(SYS_APP_PATH) .'home',
-            api_get_path(SYS_APP_PATH) .'upload/users/',
-            api_get_path(SYS_PATH) .'main/default_course_document/images/',
+            api_get_path(SYS_APP_PATH).'home',
+            api_get_path(SYS_APP_PATH).'upload/users/',
+            api_get_path(SYS_PATH).'main/default_course_document/images/',
         );
 
         foreach ($writable_folders as $index => $folder) {
@@ -99,7 +99,7 @@ 
         $array[] = $this->build_setting(
             $status,
             '[FILES]',
-            get_lang('DirectoryExists') . ': /install',
+            get_lang('DirectoryExists').': /install',
             'http://be2.php.net/file_exists',
             $exists,
             0,
@@ -129,7 +129,7 @@ 
                     $message2 .= get_lang('SpaceUsedOnSystemCannotBeMeasuredOnWindows');
                 } else {
                     $dir = api_get_path(SYS_PATH);
-                    $du = exec('du -sh ' . $dir, $err);
+                    $du = exec('du -sh '.$dir, $err);
                     list($size, $none) = explode("\t", $du);
                     $limit = $_configuration[$access_url_id]['hosting_limit_disk_space'];
                     $message2 .= sprintf(get_lang('TotalSpaceUsedByPortalXLimitIsYMB'), $size, $limit);
@@ -216,33 +216,33 @@ 
         $array[] = $this->build_setting($status, '[INI]', 'default_charset', 'http://www.php.net/manual/en/ini.core.php#ini.default-charset', $setting, $req_setting, null, get_lang('DefaultCharsetInfo'));
 
         $setting = ini_get('max_execution_time');
-        $req_setting = '300 (' . get_lang('Minimum') . ')';
+        $req_setting = '300 ('.get_lang('Minimum').')';
         $status = $setting >= 300 ? self :: STATUS_OK : self :: STATUS_WARNING;
         $array[] = $this->build_setting($status, '[INI]', 'max_execution_time', 'http://www.php.net/manual/en/ini.core.php#ini.max-execution-time', $setting, $req_setting, null, get_lang('MaxExecutionTimeInfo'));
 
         $setting = ini_get('max_input_time');
-        $req_setting = '300 (' . get_lang('Minimum') . ')';
+        $req_setting = '300 ('.get_lang('Minimum').')';
         $status = $setting >= 300 ? self :: STATUS_OK : self :: STATUS_WARNING;
         $array[] = $this->build_setting($status, '[INI]', 'max_input_time', 'http://www.php.net/manual/en/ini.core.php#ini.max-input-time', $setting, $req_setting, null, get_lang('MaxInputTimeInfo'));
 
         $setting = ini_get('memory_limit');
         $req_setting = '>= '.REQUIRED_MIN_MEMORY_LIMIT.'M';
         $status = self :: STATUS_ERROR;
-        if ((float)$setting >= REQUIRED_MIN_MEMORY_LIMIT)
+        if ((float) $setting >= REQUIRED_MIN_MEMORY_LIMIT)
             $status = self :: STATUS_OK;
         $array[] = $this->build_setting($status, '[INI]', 'memory_limit', 'http://www.php.net/manual/en/ini.core.php#ini.memory-limit', $setting, $req_setting, null, get_lang('MemoryLimitInfo'));
 
         $setting = ini_get('post_max_size');
         $req_setting = '>= '.REQUIRED_MIN_POST_MAX_SIZE.'M';
         $status = self :: STATUS_ERROR;
-        if ((float)$setting >= REQUIRED_MIN_POST_MAX_SIZE)
+        if ((float) $setting >= REQUIRED_MIN_POST_MAX_SIZE)
             $status = self :: STATUS_OK;
         $array[] = $this->build_setting($status, '[INI]', 'post_max_size', 'http://www.php.net/manual/en/ini.core.php#ini.post-max-size', $setting, $req_setting, null, get_lang('PostMaxSizeInfo'));
 
         $setting = ini_get('upload_max_filesize');
         $req_setting = '>= '.REQUIRED_MIN_UPLOAD_MAX_FILESIZE.'M';
         $status = self :: STATUS_ERROR;
-        if ((float)$setting >= REQUIRED_MIN_UPLOAD_MAX_FILESIZE)
+        if ((float) $setting >= REQUIRED_MIN_UPLOAD_MAX_FILESIZE)
             $status = self :: STATUS_OK;
         $array[] = $this->build_setting($status, '[INI]', 'upload_max_filesize', 'http://www.php.net/manual/en/ini.core.php#ini.upload_max_filesize', $setting, $req_setting, null, get_lang('UploadMaxFilesizeInfo'));
 
@@ -256,7 +256,7 @@ 
         $status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_WARNING;
         $array[] = $this->build_setting($status, '[SESSION]', 'session.gc_maxlifetime', 'http://www.php.net/manual/en/ini.core.php#session.gc-maxlifetime', $setting, $req_setting, null, get_lang('SessionGCMaxLifetimeInfo'));
 
-        if (api_check_browscap()){$setting = true;}else{$setting=false;}
+        if (api_check_browscap()) {$setting = true; } else {$setting = false; }
         $req_setting = true;
         $status = $setting == $req_setting ? self :: STATUS_OK : self :: STATUS_WARNING;
         $array[] = $this->build_setting($status, '[INI]', 'browscap', 'http://www.php.net/manual/en/misc.configuration.php#ini.browscap', $setting, $req_setting, 'on_off', get_lang('BrowscapInfo'));
@@ -312,7 +312,7 @@ 
 
             $loaded = extension_loaded($extension);
             $status = $loaded ? self :: STATUS_OK : self :: STATUS_ERROR;
-            $array[] = $this->build_setting($status, '[EXTENSION]', get_lang('LoadedExtension') . ': ' . $extension, $url, $loaded, $expected_value, 'yes_no_optional', $comment);
+            $array[] = $this->build_setting($status, '[EXTENSION]', get_lang('LoadedExtension').': '.$extension, $url, $loaded, $expected_value, 'yes_no_optional', $comment);
         }
 
         return $array;
@@ -435,9 +435,9 @@ 
         $formatted_expected_value = $expected_value;
 
         if ($formatter) {
-            if (method_exists($this, 'format_' . $formatter)) {
-                $formatted_current_value = call_user_func(array($this, 'format_' . $formatter), $current_value);
-                $formatted_expected_value = call_user_func(array($this, 'format_' . $formatter), $expected_value);
+            if (method_exists($this, 'format_'.$formatter)) {
+                $formatted_current_value = call_user_func(array($this, 'format_'.$formatter), $current_value);
+                $formatted_expected_value = call_user_func(array($this, 'format_'.$formatter), $expected_value);
             }
         }
 
@@ -452,13 +452,13 @@ 
      */
     public function get_link($title, $url)
     {
-        return '<a href="' . $url . '" target="about:bank">' . $title . '</a>';
+        return '<a href="'.$url.'" target="about:bank">'.$title.'</a>';
     }
 
     public function format_yes_no_optional($value)
     {
     	$return = '';
-    	switch($value) {
+    	switch ($value) {
      		case 0:
      			$return = get_lang('No');
      			break;

main/inc/lib/display.lib.php

Doc Comments +26 added lines, -15 removed lines

@@ -32,7 +32,7 @@ 
     }
 
     /**
-     * @return array
+     * @return string[]
      */
     public static function toolList()
     {
@@ -290,7 +290,6 @@ 
      * 					'page_nr' = The page to display
      * 					'hide_navigation' =  true to hide the navigation
      * @param array $query_vars Additional variables to add in the query-string
-     * @param array $form actions Additional variables to add in the query-string
      * @param mixed An array with bool values to know which columns show.
      * i.e: $visibility_options= array(true, false) we will only show the first column
      * 				Can be also only a bool value. TRUE: show all columns, FALSE: show nothing
@@ -331,7 +330,6 @@ 
      * 					'page_nr' = The page to display
      * 					'hide_navigation' =  true to hide the navigation
      * @param array $query_vars Additional variables to add in the query-string
-     * @param array $form actions Additional variables to add in the query-string
      * @param mixed An array with bool values to know which columns show. i.e:
      *  $visibility_options= array(true, false) we will only show the first column
      * 	Can be also only a bool value. TRUE: show all columns, FALSE: show nothing
@@ -388,10 +386,11 @@ 
      * 					'per_page' = number of items to show per page
      * 					'page_nr' = The page to display
      * @param array $query_vars Additional variables to add in the query-string
-     * @param array $column_show Array of binaries 1= show columns 0. hide a column
+     * @param integer[] $column_show Array of binaries 1= show columns 0. hide a column
      * @param array $column_order An array of integers that let us decide how the columns are going to be sort.
      * 						      i.e:  $column_order=array('1''4','3','4'); The 2nd column will be order like the 4th column
      * @param array $form_actions Set optional forms actions
+     * @param string $table_name
      *
      * @author Julio Montoya
      */
@@ -444,7 +443,7 @@ 
      * @param bool	$filter (true) or not (false)
      * @param bool $returnValue
      *
-     * @return void
+     * @return string|null
      */
     public static function display_normal_message($message, $filter = true, $returnValue = false)
     {
@@ -474,7 +473,7 @@ 
     /**
      * Displays an confirmation message. Use this if something has been done successfully
      * @param bool	Filter (true) or not (false)
-     * @return void
+     * @return string|null
      */
     public static function display_confirmation_message ($message, $filter = true, $returnValue = false)
     {
@@ -491,7 +490,7 @@ 
      * @param string $message - include any additional html
      *                          tags if you need them
      * @param bool	Filter (true) or not (false)
-     * @return void
+     * @return string|null
      */
     public static function display_error_message ($message, $filter = true, $returnValue = false)
     {
@@ -681,6 +680,7 @@ 
      * @param string   The alt text (probably a language variable)
      * @param array    additional attributes (for instance height, width, onclick, ...)
      * @param integer  The wanted width of the icon (to be looked for in the corresponding img/icons/ folder)
+     * @param string $image
      * @return void
     */
     public static function display_icon(
@@ -881,6 +881,7 @@ 
     /**
      * Displays an HTML input tag
      *
+     * @param string $type
      */
     public static function input($type, $name, $value, $attributes = array())
     {
@@ -897,8 +898,8 @@ 
     }
 
     /**
-     * @param $name
-     * @param $value
+     * @param string $name
+     * @param string $value
      * @param array $attributes
      * @return string
      */
@@ -913,6 +914,7 @@ 
     /**
      * Displays an HTML select tag
      *
+     * @param string $blank_item_text
      */
     public static function select(
         $name,
@@ -983,6 +985,8 @@ 
      * @param   array   content that will be showed
      * @param   string  the id of the container of the tab in the example "tabs"
      * @param   array   attributes for the ul
+     * @param string[] $header_list
+     * @param string[] $content_list
      *
      */
     public static function tabs($header_list, $content_list, $id = 'tabs', $attributes = array(), $ul_attributes = array())
@@ -1029,7 +1033,7 @@ 
 
     /**
      * @param $headers
-     * @param null $selected
+     * @param integer $selected
      *
      * @return string
      */
@@ -1067,6 +1071,7 @@ 
      * As you can see both function use the same "my_grid_name" this is very important otherwise nothing will work
      *
      * @param   string  the div id, this value must be the same with the first parameter of Display::grid_js()
+     * @param string $div_id
      * @return  string  html
      *
      */
@@ -1622,6 +1627,8 @@ 
      * @param  string  url that will be added (for jquery see hot_courses.tpl)
 	 * @param	string	point info array see function CourseManager::get_course_ranking()
 	 * @param	bool	add a div wrapper
+	 * @param string $id
+	 * @param string $url
 	 * @todo	use     templates
      **/
     public static function return_rating_system($id, $url, $point_info = array(), $add_div_wrapper = true)
@@ -1717,6 +1724,9 @@ 
         return '<'.$size.'>'.Security::remove_XSS($title).'</'.$size.'>';
     }
 
+    /**
+     * @param string $title
+     */
     public static function page_subheader2($title, $second_title = null)
     {
         return self::page_header($title, $second_title, 'h4');
@@ -1947,6 +1957,7 @@ 
 
     /**
      * @todo use twig
+     * @param string $title
      */
     public static function group_button($title, $elements)
     {
@@ -2164,9 +2175,9 @@ 
 
     /**
      * @param int $id
-     * @param array $content
+     * @param string[] $content
      * @param int $col
-     * @param bool|true $right
+     * @param boolean $right
      * @return string
      */
     public static function toolbarAction($id, $content = array(), $col = 2, $right = true)
@@ -2248,10 +2259,10 @@ 
     /**
      * @param string $title
      * @param string $content
-     * @param null $id
+     * @param string $id
      * @param array $params
-     * @param null $idAccordion
-     * @param null $idCollapse
+     * @param string $idAccordion
+     * @param string $idCollapse
      * @param bool|true $open
      * @param bool|false $fullClickable
      * @return null|string

Indentation +69 added lines, -69 removed lines

@@ -49,12 +49,12 @@ 
         );
     }
 
-     /**
-     * Displays the page header
-     * @param string The name of the page (will be showed in the page title)
-     * @param string Optional help file name
-     * @param string $page_header
-     */
+        /**
+         * Displays the page header
+         * @param string The name of the page (will be showed in the page title)
+         * @param string Optional help file name
+         * @param string $page_header
+         */
     public static function display_header($tool_name ='', $help = null, $page_header = null)
     {
         $origin = api_get_origin();
@@ -448,7 +448,7 @@ 
      */
     public static function display_normal_message($message, $filter = true, $returnValue = false)
     {
-    	$message = self::return_message($message, 'normal', $filter);
+        $message = self::return_message($message, 'normal', $filter);
         if ($returnValue) {
             return $message;
         } else {
@@ -524,22 +524,22 @@ 
     public static function return_message($message, $type = 'normal', $filter = true)
     {
         if ($filter) {
-        	$message = api_htmlentities($message, ENT_QUOTES, api_is_xml_http_request() ? 'UTF-8' : api_get_system_encoding());
+            $message = api_htmlentities($message, ENT_QUOTES, api_is_xml_http_request() ? 'UTF-8' : api_get_system_encoding());
         }
 
         $class = "";
         switch($type) {
             case 'warning':
                $class .= 'alert alert-warning';
-               break;
+                break;
             case 'error':
                $class .= 'alert alert-danger';
-               break;
+                break;
             case 'confirmation':
             case 'confirm':
             case 'success':
                 $class .= 'alert alert-success';
-               break;
+                break;
             case 'normal':
             default:
                 $class .= 'alert alert-info';
@@ -682,7 +682,7 @@ 
      * @param array    additional attributes (for instance height, width, onclick, ...)
      * @param integer  The wanted width of the icon (to be looked for in the corresponding img/icons/ folder)
      * @return void
-    */
+     */
     public static function display_icon(
         $image,
         $alt_text = '',
@@ -705,7 +705,7 @@ 
      * @author Julio Montoya 2010 Function improved, adding image constants
      * @author Yannick Warnier 2011 Added size handler
      * @version Feb 2011
-    */
+     */
     public static function return_icon(
         $image,
         $alt_text = '',
@@ -884,14 +884,14 @@ 
      */
     public static function input($type, $name, $value, $attributes = array())
     {
-         if (isset($type)) {
-             $attributes['type']= $type;
-         }
-         if (isset($name)) {
-             $attributes['name']= $name;
-         }
-         if (isset($value)) {
-             $attributes['value']= $value;
+            if (isset($type)) {
+                $attributes['type']= $type;
+            }
+            if (isset($name)) {
+                $attributes['name']= $name;
+            }
+            if (isset($value)) {
+                $attributes['value']= $value;
         }
         return self::tag('input', '', $attributes);
     }
@@ -904,10 +904,10 @@ 
      */
     public static function button($name, $value, $attributes = array())
     {
-    	if (!empty($name)) {
+        if (!empty($name)) {
             $attributes['name'] = $name;
-    	}
-    	return self::tag('button', $value, $attributes);
+        }
+        return self::tag('button', $value, $attributes);
     }
 
     /**
@@ -974,7 +974,7 @@ 
      * in the $htmlHeadXtra variable before the display_header
      * Add this script
      * @example
-             * <script>
+     * <script>
                     $(function() {
                         $( "#tabs" ).tabs();
                     });
@@ -1035,20 +1035,20 @@ 
      */
     public static function tabsOnlyLink($headers, $selected = null)
     {
-         $id = uniqid();
-         $i = 1;
-         $lis = null;
-         foreach ($headers as $item) {
+            $id = uniqid();
+            $i = 1;
+            $lis = null;
+            foreach ($headers as $item) {
             $class = null;
             if ($i == $selected) {
                 $class = 'active';
             }
-             $item = self::tag(
-                 'a',
-                 $item['content'],
-                 array('id' => $id.'-'.$i, 'href' => $item['url'])
-             );
-             $lis .= self::tag('li', $item, array('class' => $class));
+                $item = self::tag(
+                    'a',
+                    $item['content'],
+                    array('id' => $id.'-'.$i, 'href' => $item['url'])
+                );
+                $lis .= self::tag('li', $item, array('class' => $class));
             $i++;
         }
         return self::tag('ul', $lis, array('class' => 'nav nav-tabs tabs-margin'));
@@ -1260,8 +1260,8 @@ 
      */
     public static function table($headers, $rows, $attributes = array())
     {
-    	if (empty($attributes)) {
-    		$attributes['class'] = 'data_table';
+        if (empty($attributes)) {
+            $attributes['class'] = 'data_table';
         }
         $table = new HTML_Table($attributes);
         $row = 0;
@@ -1269,17 +1269,17 @@ 
 
         // Course headers
         if (!empty($headers)) {
-	        foreach ($headers as $item) {
-	            $table->setHeaderContents($row, $column, $item);
-	            $column++;
-	        }
-	        $row = 1;
-	        $column = 0;
+            foreach ($headers as $item) {
+                $table->setHeaderContents($row, $column, $item);
+                $column++;
+            }
+            $row = 1;
+            $column = 0;
         }
 
         if (!empty($rows)) {
-	        foreach($rows as $content) {
-	            $table->setCellContents($row, $column, $content);
+            foreach($rows as $content) {
+                $table->setCellContents($row, $column, $content);
                 $row++;
             }
         }
@@ -1385,7 +1385,7 @@ 
                         //$item_property['tool'] != TOOL_DROPBOX &&
                         $item_property['tool'] != TOOL_NOTEBOOK &&
                         $item_property['tool'] != TOOL_CHAT)
-                   )
+                    )
                 )
                 // Take only what's visible or "invisible but where the user is a teacher" or where the visibility is unset.
                 && ($item_property['visibility'] == '1'
@@ -1401,7 +1401,7 @@ 
                         ($item_property['to_user_id'] != $user_id) &&
                         (!isset($item_property['to_group_id']) || !in_array($item_property['to_group_id'], $group_ids)))
                 ) {
-                   continue;
+                    continue;
                 }
 
                 // If it's a survey, make sure the user's invited. Otherwise drop it.
@@ -1620,21 +1620,21 @@ 
      *
      * @param  string  id of the rating ul element
      * @param  string  url that will be added (for jquery see hot_courses.tpl)
-	 * @param	string	point info array see function CourseManager::get_course_ranking()
-	 * @param	bool	add a div wrapper
-	 * @todo	use     templates
+     * @param	string	point info array see function CourseManager::get_course_ranking()
+     * @param	bool	add a div wrapper
+     * @todo	use     templates
      **/
     public static function return_rating_system($id, $url, $point_info = array(), $add_div_wrapper = true)
     {
-		$number_of_users_who_voted = isset($point_info['users_who_voted']) ? $point_info['users_who_voted'] : null;
-		$percentage = isset($point_info['point_average']) ? $point_info['point_average'] : 0;
+        $number_of_users_who_voted = isset($point_info['users_who_voted']) ? $point_info['users_who_voted'] : null;
+        $percentage = isset($point_info['point_average']) ? $point_info['point_average'] : 0;
 
-		if (!empty($percentage)) {
+        if (!empty($percentage)) {
             $percentage = $percentage*125/100;
         }
-		$accesses =  isset($point_info['accesses']) ? $point_info['accesses'] : 0;
+        $accesses =  isset($point_info['accesses']) ? $point_info['accesses'] : 0;
 
-		$star_label = sprintf(get_lang('XStarsOutOf5'), $point_info['point_average_star']);
+        $star_label = sprintf(get_lang('XStarsOutOf5'), $point_info['point_average_star']);
 
         $html = '<ul id="'.$id.'" class="star-rating">
 					<li class="current-rating" style="width:'.$percentage.'px;"></li>
@@ -1645,26 +1645,26 @@ 
 					<li><a href="javascript:void(0);" data-link="'.$url.'&amp;star=5" title="'.$star_label.'" class="five-stars">5</a></li>
 				</ul>';
 
-		$labels = array();
+        $labels = array();
 
-		$labels[]= $number_of_users_who_voted == 1 ? $number_of_users_who_voted.' '.get_lang('Vote') : $number_of_users_who_voted.' '.get_lang('Votes');
-		$labels[]= $accesses == 1 ? $accesses.' '.get_lang('Visit') : $accesses.' '.get_lang('Visits');
-		if (!empty($number_of_users_who_voted)) {
-			$labels[]= get_lang('Average').' '.$point_info['point_average_star'].'/5';
-		}
+        $labels[]= $number_of_users_who_voted == 1 ? $number_of_users_who_voted.' '.get_lang('Vote') : $number_of_users_who_voted.' '.get_lang('Votes');
+        $labels[]= $accesses == 1 ? $accesses.' '.get_lang('Visit') : $accesses.' '.get_lang('Visits');
+        if (!empty($number_of_users_who_voted)) {
+            $labels[]= get_lang('Average').' '.$point_info['point_average_star'].'/5';
+        }
 
-		$labels[]= $point_info['user_vote']  ? get_lang('YourVote').' ['.$point_info['user_vote'].']' : get_lang('YourVote'). ' [?] ';
+        $labels[]= $point_info['user_vote']  ? get_lang('YourVote').' ['.$point_info['user_vote'].']' : get_lang('YourVote'). ' [?] ';
 
-		if (!$add_div_wrapper && api_is_anonymous()) {
-			$labels[]= Display::tag('span', get_lang('LoginToVote'), array('class' => 'error'));
-		}
+        if (!$add_div_wrapper && api_is_anonymous()) {
+            $labels[]= Display::tag('span', get_lang('LoginToVote'), array('class' => 'error'));
+        }
 
         $html .= Display::div(implode(' | ', $labels) , array('id' =>  'vote_label_'.$id, 'class' => 'vote_label_info'));
         $html .= ' '.Display::span(' ', array('id' =>  'vote_label2_'.$id));
 
         if ($add_div_wrapper) {
-			$html = Display::div($html, array('id' => 'rating_wrapper_'.$id));
-		}
+            $html = Display::div($html, array('id' => 'rating_wrapper_'.$id));
+        }
 
         return $html;
     }
@@ -1702,8 +1702,8 @@ 
         return self::page_header($title, $second_title);
     }
 
-     public static function page_subheader_and_translate($title, $second_title = null)
-     {
+        public static function page_subheader_and_translate($title, $second_title = null)
+        {
         $title = get_lang($title);
         return self::page_subheader($title, $second_title);
     }

Braces +3 added lines, -2 removed lines

@@ -666,9 +666,10 @@
         $result = '';
         for ($i = $min; $i <= $max; $i ++) {
             $result .= '<option value="'.$i.'"';
-            if (is_int($selected_num))
-                if ($selected_num == $i) {
+            if (is_int($selected_num)) {
+                            if ($selected_num == $i) {
                     $result .= ' selected="selected"';
+            }
                 }
             $result .= '>'.$i.'</option>';
         }

Spacing +73 added lines, -73 removed lines

@@ -55,7 +55,7 @@ 
      * @param string Optional help file name
      * @param string $page_header
      */
-    public static function display_header($tool_name ='', $help = null, $page_header = null)
+    public static function display_header($tool_name = '', $help = null, $page_header = null)
     {
         $origin = api_get_origin();
         $showHeader = true;
@@ -351,7 +351,7 @@ 
         $grid_class = array(),
         $elementCount = 0
     ) {
-        $column =  0;
+        $column = 0;
         $default_items_per_page = isset($paging_options['per_page']) ? $paging_options['per_page'] : 20;
 
         $table = new SortableTableFromArray($content, $column, $default_items_per_page, $name);
@@ -476,7 +476,7 @@ 
      * @param bool	Filter (true) or not (false)
      * @return void
      */
-    public static function display_confirmation_message ($message, $filter = true, $returnValue = false)
+    public static function display_confirmation_message($message, $filter = true, $returnValue = false)
     {
         $message = self::return_message($message, 'confirm', $filter);
         if ($returnValue) {
@@ -493,7 +493,7 @@ 
      * @param bool	Filter (true) or not (false)
      * @return void
      */
-    public static function display_error_message ($message, $filter = true, $returnValue = false)
+    public static function display_error_message($message, $filter = true, $returnValue = false)
     {
         $message = self::return_message($message, 'error', $filter);
         if ($returnValue) {
@@ -508,7 +508,7 @@ 
      * @param string $type
      * @param bool $filter
      */
-    public static function return_message_and_translate($message, $type='normal', $filter = true)
+    public static function return_message_and_translate($message, $type = 'normal', $filter = true)
     {
         $message = get_lang($message);
         echo self::return_message($message, $type, $filter);
@@ -532,7 +532,7 @@ 
         }
 
         $class = "";
-        switch($type) {
+        switch ($type) {
             case 'warning':
                $class .= 'alert alert-warning';
                break;
@@ -560,7 +560,7 @@ 
      * @param string  optional, class from stylesheet
      * @return string encrypted mailto hyperlink
      */
-    public static function encrypted_mailto_link ($email, $clickable_text = null, $style_class = '')
+    public static function encrypted_mailto_link($email, $clickable_text = null, $style_class = '')
     {
         if (is_null($clickable_text)) {
             $clickable_text = $email;
@@ -575,14 +575,14 @@ 
         }
         // Encrypt email
         $hmail = '';
-        for ($i = 0; $i < strlen($email); $i ++) {
+        for ($i = 0; $i < strlen($email); $i++) {
             $hmail .= '&#'.ord($email {
             $i }).';';
         }
         $hclickable_text = null;
         // Encrypt clickable text if @ is present
         if (strpos($clickable_text, '@')) {
-            for ($i = 0; $i < strlen($clickable_text); $i ++) {
+            for ($i = 0; $i < strlen($clickable_text); $i++) {
                 $hclickable_text .= '&#'.ord($clickable_text {
                 $i }).';';
             }
@@ -614,7 +614,7 @@ 
         }
         // Encrypt email
         $hmail = '';
-        for ($i = 0; $i < strlen($email); $i ++) {
+        for ($i = 0; $i < strlen($email); $i++) {
             $hmail .= '&#'.ord($email {
             $i }).';';
         }
@@ -647,7 +647,7 @@ 
     public static function get_alphabet_options($selected_letter = '')
     {
         $result = '';
-        for ($i = 65; $i <= 90; $i ++) {
+        for ($i = 65; $i <= 90; $i++) {
             $letter = chr($i);
             $result .= '<option value="'.$letter.'"';
             if ($selected_letter == $letter) {
@@ -668,7 +668,7 @@ 
     public static function get_numeric_options($min, $max, $selected_num = 0)
     {
         $result = '';
-        for ($i = $min; $i <= $max; $i ++) {
+        for ($i = $min; $i <= $max; $i++) {
             $result .= '<option value="'.$i.'"';
             if (is_int($selected_num))
                 if ($selected_num == $i) {
@@ -745,7 +745,7 @@ 
             $size = ICON_SIZE_SMALL;
         }
 
-        $size_extra = $size . '/';
+        $size_extra = $size.'/';
 
         // Checking the img/ folder
         $icon = $w_code_path.'img/'.$image;
@@ -753,7 +753,7 @@ 
         $theme = 'themes/chamilo/icons/';
 
         if ($loadThemeIcon) {
-            $theme = 'themes/' . api_get_visual_theme() . '/icons/';
+            $theme = 'themes/'.api_get_visual_theme().'/icons/';
             // Checking the theme icons folder example: app/Resources/public/css/themes/chamilo/icons/XXX
             if (is_file($alternateCssPath.$theme.$size_extra.$image)) {
                 $icon = $alternateWebCssPath.$theme.$size_extra.$image;
@@ -775,11 +775,11 @@ 
         // ask for the SVG version directly
         $testServer = api_get_setting('server_type');
         if ($testServer == 'test' && $return_only_path == false) {
-            $svgImage = substr($image, 0, -3) . 'svg';
-            if (is_file($code_path . $theme . 'svg/' . $svgImage)) {
-                $icon = $w_code_path . $theme . 'svg/' . $svgImage;
-            } elseif (is_file($code_path . 'img/icons/svg/' . $svgImage)) {
-                $icon = $w_code_path . 'img/icons/svg/' . $svgImage;
+            $svgImage = substr($image, 0, -3).'svg';
+            if (is_file($code_path.$theme.'svg/'.$svgImage)) {
+                $icon = $w_code_path.$theme.'svg/'.$svgImage;
+            } elseif (is_file($code_path.'img/icons/svg/'.$svgImage)) {
+                $icon = $w_code_path.'img/icons/svg/'.$svgImage;
             }
 
             if (empty($additional_attributes['height'])) {
@@ -859,7 +859,7 @@ 
             }
         }
         //some tags don't have this </XXX>
-        if (in_array($tag, array('img','input','br'))) {
+        if (in_array($tag, array('img', 'input', 'br'))) {
             $return_value = '<'.$tag.' '.$attribute_list.' />';
         } else {
             $return_value = '<'.$tag.' '.$attribute_list.' > '.$content.'</'.$tag.'>';
@@ -912,13 +912,13 @@ 
     public static function input($type, $name, $value, $attributes = array())
     {
          if (isset($type)) {
-             $attributes['type']= $type;
+             $attributes['type'] = $type;
          }
          if (isset($name)) {
-             $attributes['name']= $name;
+             $attributes['name'] = $name;
          }
          if (isset($value)) {
-             $attributes['value']= $value;
+             $attributes['value'] = $value;
         }
         return self::tag('input', '', $attributes);
     }
@@ -951,14 +951,14 @@ 
     ) {
         $html = '';
         $extra = '';
-        $default_id = 'id="' . $name . '" ';
+        $default_id = 'id="'.$name.'" ';
         foreach ($extra_attributes as $key => $parameter) {
             if ($key == 'id') {
                 $default_id = '';
             }
-            $extra .= $key . '="' . $parameter . '" ';
+            $extra .= $key.'="'.$parameter.'" ';
         }
-        $html .= '<select name="' . $name . '" ' . $default_id . ' ' . $extra . '>';
+        $html .= '<select name="'.$name.'" '.$default_id.' '.$extra.'>';
 
         if ($show_blank_item) {
             if (empty($blank_item_text)) {
@@ -966,14 +966,14 @@ 
             } else {
                 $blank_item_text = Security::remove_XSS($blank_item_text);
             }
-            $html .= self::tag('option', '-- ' . $blank_item_text . ' --', array('value' => '-1'));
+            $html .= self::tag('option', '-- '.$blank_item_text.' --', array('value' => '-1'));
         }
         if ($values) {
             foreach ($values as $key => $value) {
                 if (is_array($value) && isset($value['name'])) {
                     $value = $value['name'];
                 }
-                $html .= '<option value="' . $key . '"';
+                $html .= '<option value="'.$key.'"';
 
                 if (is_array($default)) {
                     foreach ($default as $item) {
@@ -988,7 +988,7 @@ 
                     }
                 }
 
-                $html .= '>' . $value . '</option>';
+                $html .= '>'.$value.'</option>';
             }
         }
         $html .= '</select>';
@@ -1014,7 +1014,7 @@ 
      */
     public static function tabs($header_list, $content_list, $id = 'tabs', $attributes = array(), $ul_attributes = array())
     {
-        if (empty($header_list) || count($header_list) == 0 ) {
+        if (empty($header_list) || count($header_list) == 0) {
             return '';
         }
 
@@ -1051,7 +1051,7 @@ 
 
         $main_div = self::tag('div', $ul.self::tag('div', $divs, ['class' => 'tab-content']), $attributes);
 
-        return $main_div ;
+        return $main_div;
     }
 
     /**
@@ -1099,8 +1099,8 @@ 
      */
     public static function grid_html($div_id)
     {
-        $table  = self::tag('table','', array('id' => $div_id));
-        $table .= self::tag('div','', array('id' => $div_id.'_pager'));
+        $table  = self::tag('table', '', array('id' => $div_id));
+        $table .= self::tag('div', '', array('id' => $div_id.'_pager'));
         return $table;
     }
 
@@ -1161,7 +1161,7 @@ 
         $obj->colNames      = $column_names;
         $obj->colModel      = $column_model;
         $obj->pager         = '#'.$div_id.'_pager';
-        $obj->datatype  = 'json';
+        $obj->datatype = 'json';
         $obj->viewrecords = 'true';
 
         $all_value = 10000000;
@@ -1222,10 +1222,10 @@ 
         // Adding static data.
         if (!empty($data)) {
             $data_var = $div_id.'_data';
-            $json.=' var '.$data_var.' = '.json_encode($data).';';
+            $json .= ' var '.$data_var.' = '.json_encode($data).';';
             $obj->data = $data_var;
             $obj->datatype = 'local';
-            $json.="\n";
+            $json .= "\n";
         }
 
         $obj->end = 'end';
@@ -1239,12 +1239,12 @@ 
         }
 
         // Fixing true/false js values that doesn't need the ""
-        $json_encode = str_replace(':"true"',':true',$json_encode);
+        $json_encode = str_replace(':"true"', ':true', $json_encode);
         // wrap_cell is not a valid jqgrid attributes is a hack to wrap a text
         $json_encode = str_replace('"wrap_cell":true', 'cellattr : function(rowId, value, rowObject, colModel, arrData) { return \'class = "jqgrid_whitespace"\'; }', $json_encode);
-        $json_encode = str_replace(':"false"',':false',$json_encode);
+        $json_encode = str_replace(':"false"', ':false', $json_encode);
         $json_encode = str_replace('"formatter":"action_formatter"', 'formatter:action_formatter', $json_encode);
-        $json_encode = str_replace(array('{"first":"first",','"end":"end"}'), '', $json_encode);
+        $json_encode = str_replace(array('{"first":"first",', '"end":"end"}'), '', $json_encode);
 
         // Creating the jqgrid element.
         $json .= '$("#'.$div_id.'").jqGrid({';
@@ -1259,22 +1259,22 @@ 
             $groups = '';
             foreach ($extra_params['groupHeaders'] as $group) {
                 //{ "startColumnName" : "courses", "numberOfColumns" : 1, "titleText" : "Order Info" },
-                $groups .= '{ "startColumnName" : "' . $group['startColumnName'] . '", "numberOfColumns" : ' . $group['numberOfColumns'] . ', "titleText" : "' . $group['titleText']  . '" },';
+                $groups .= '{ "startColumnName" : "'.$group['startColumnName'].'", "numberOfColumns" : '.$group['numberOfColumns'].', "titleText" : "'.$group['titleText'].'" },';
 
             }
             $json .= '$("#'.$div_id.'").jqGrid("setGroupHeaders", {
                 "useColSpanStyle" : false,
                 "groupHeaders"    : [
-                    ' . $groups . '
+                    ' . $groups.'
                 ]
             });';
         }
 
         $all_text = addslashes(get_lang('All'));
         $json .= '$("'.$obj->pager.' option[value='.$all_value.']").text("'.$all_text.'");';
-        $json.= "\n";
+        $json .= "\n";
         // Adding edit/delete icons.
-        $json.= $formatter;
+        $json .= $formatter;
 
         return $json;
     }
@@ -1305,7 +1305,7 @@ 
         }
 
         if (!empty($rows)) {
-	        foreach($rows as $content) {
+	        foreach ($rows as $content) {
 	            $table->setCellContents($row, $column, $content);
                 $row++;
             }
@@ -1467,7 +1467,7 @@ 
 
         // Show all tool icons where there is something new.
         $return = '&nbsp;';
-        foreach($notifications as $notification) {
+        foreach ($notifications as $notification) {
             $lastDate = date('d/m/Y H:i', convert_sql_date($notification['lastedit_date']));
             $type = $notification['lastedit_type'];
             $label = get_lang('TitleNotification').": ".get_lang($type)." ($lastDate)";
@@ -1510,9 +1510,9 @@ 
             $tbl_session            = Database :: get_main_table(TABLE_MAIN_SESSION);
             $active = false;
             // Request for the name of the general coach
-            $sql ='SELECT tu.lastname, tu.firstname, ts.*
+            $sql = 'SELECT tu.lastname, tu.firstname, ts.*
                     FROM '.$tbl_session.' ts
-                    LEFT JOIN '.$main_user_table .' tu
+                    LEFT JOIN '.$main_user_table.' tu
                     ON ts.id_coach = tu.user_id
                     WHERE ts.id = '.intval($session_id);
             $rs = Database::query($sql);
@@ -1522,7 +1522,7 @@ 
             $session = array();
             $session['title'] = $session_info['name'];
             $session['coach'] = '';
-            $session['dates'] =  '';
+            $session['dates'] = '';
 
             if (
                 (
@@ -1605,7 +1605,7 @@ 
                 }
 
                 if (api_get_setting('show_session_coach') === 'true') {
-                    $session['coach'] = get_lang('GeneralCoach') . ': ' . api_get_person_name(
+                    $session['coach'] = get_lang('GeneralCoach').': '.api_get_person_name(
                         $session_info['firstname'],
                         $session_info['lastname']
                     );
@@ -1656,9 +1656,9 @@ 
 		$percentage = isset($point_info['point_average']) ? $point_info['point_average'] : 0;
 
 		if (!empty($percentage)) {
-            $percentage = $percentage*125/100;
+            $percentage = $percentage * 125 / 100;
         }
-		$accesses =  isset($point_info['accesses']) ? $point_info['accesses'] : 0;
+		$accesses = isset($point_info['accesses']) ? $point_info['accesses'] : 0;
 
 		$star_label = sprintf(get_lang('XStarsOutOf5'), $point_info['point_average_star']);
 
@@ -1673,19 +1673,19 @@ 
 
 		$labels = array();
 
-		$labels[]= $number_of_users_who_voted == 1 ? $number_of_users_who_voted.' '.get_lang('Vote') : $number_of_users_who_voted.' '.get_lang('Votes');
-		$labels[]= $accesses == 1 ? $accesses.' '.get_lang('Visit') : $accesses.' '.get_lang('Visits');
+		$labels[] = $number_of_users_who_voted == 1 ? $number_of_users_who_voted.' '.get_lang('Vote') : $number_of_users_who_voted.' '.get_lang('Votes');
+		$labels[] = $accesses == 1 ? $accesses.' '.get_lang('Visit') : $accesses.' '.get_lang('Visits');
 		if (!empty($number_of_users_who_voted)) {
-			$labels[]= get_lang('Average').' '.$point_info['point_average_star'].'/5';
+			$labels[] = get_lang('Average').' '.$point_info['point_average_star'].'/5';
 		}
 
-		$labels[]= $point_info['user_vote']  ? get_lang('YourVote').' ['.$point_info['user_vote'].']' : get_lang('YourVote'). ' [?] ';
+		$labels[] = $point_info['user_vote'] ? get_lang('YourVote').' ['.$point_info['user_vote'].']' : get_lang('YourVote').' [?] ';
 
 		if (!$add_div_wrapper && api_is_anonymous()) {
-			$labels[]= Display::tag('span', get_lang('LoginToVote'), array('class' => 'error'));
+			$labels[] = Display::tag('span', get_lang('LoginToVote'), array('class' => 'error'));
 		}
 
-        $html .= Display::div(implode(' | ', $labels) , array('id' =>  'vote_label_'.$id, 'class' => 'vote_label_info'));
+        $html .= Display::div(implode(' | ', $labels), array('id' =>  'vote_label_'.$id, 'class' => 'vote_label_info'));
         $html .= ' '.Display::span(' ', array('id' =>  'vote_label2_'.$id));
 
         if ($add_div_wrapper) {
@@ -1763,8 +1763,8 @@ 
         if (!empty($list)) {
             $html = '<dl class="dl-horizontal">';
             foreach ($list as $item) {
-                $html .= '<dt>' . $item['title'] . '</dt>';
-                $html .= '<dd>' . $item['content'] . '</dd>';
+                $html .= '<dt>'.$item['title'].'</dt>';
+                $html .= '<dd>'.$item['content'].'</dd>';
             }
             $html .= '</dl>';
         }
@@ -1806,7 +1806,7 @@ 
      * @param string $type
      * @return null|string
      */
-    public static function badge($count, $type ="warning")
+    public static function badge($count, $type = "warning")
     {
         $class = '';
 
@@ -1882,7 +1882,7 @@ 
         if (!empty($content)) {
             $html = '<span class="label '.$class.'">';
             $html .= $content;
-            $html .='</span>';
+            $html .= '</span>';
         }
 
         return $html;
@@ -1903,7 +1903,7 @@ 
                     $class = 'class ="active"';
                 }
 
-                if (basename($_SERVER['REQUEST_URI']) == basename($value['url']) ) {
+                if (basename($_SERVER['REQUEST_URI']) == basename($value['url'])) {
                     $class = 'class ="active"';
                 }
                 $html .= "<li $class >";
@@ -2154,7 +2154,7 @@ 
         }
         $label = $nextValue + $localCounter + 1;
         if ($isMedia) {
-            $label = ($fixedValue + 1) .' '.chr(97 + $localCounter);
+            $label = ($fixedValue + 1).' '.chr(97 + $localCounter);
             $link_to_show = $link.$fixedValue.'#questionanchor'.$itemId;
         }
         $link = Display::url($label.' ', $link_to_show, $linkAttributes);
@@ -2266,7 +2266,7 @@ 
      */
     public static function getVCardUserLink($userId)
     {
-        $vCardUrl = api_get_path(WEB_PATH).'main/social/vcard_export.php?userId='.intval($userId);;
+        $vCardUrl = api_get_path(WEB_PATH).'main/social/vcard_export.php?userId='.intval($userId); ;
 
         return $vCardUrl;
     }
@@ -2284,7 +2284,7 @@ 
     {
         $title = !empty($title) ? '<div class="panel-heading"><h3 class="panel-title">'.$title.'</h3>'.$extra.'</div>' : '';
         $footer = !empty($footer) ? '<div class="panel-footer ">'.$footer.'</div>' : '';
-        $styles = ['primary','success','info','warning','danger'];
+        $styles = ['primary', 'success', 'info', 'warning', 'danger'];
         $style = !in_array($style, $styles) ? 'default' : $style;
 
         return '
@@ -2329,7 +2329,7 @@ 
         $attributes['class'] = isset($attributes['class']) ? "$buttonClass {$attributes['class']}" : $buttonClass;
 
         if (!$includeText) {
-            $text = '<span class="sr-only">' . $text . '</span>';
+            $text = '<span class="sr-only">'.$text.'</span>';
         }
 
         return self::url("$icon $text", $url, $attributes);
@@ -2344,16 +2344,16 @@ 
      */
     public static function toolbarAction($id, $content = array(), $col = 2, $right = true)
     {
-        $columns = 12/$col;
+        $columns = 12 / $col;
         $html = '';
-        $html .= '<div id="' . $id . '" class="actions">';
+        $html .= '<div id="'.$id.'" class="actions">';
         $html .= '<div class="row">';
         if ($col > 4) {
             $html = '<div class="alert alert-warning" role="alert">Action toolbar design does not work when exceeding four columns - check Display::toolbarAction()</div>';
         } else {
-            for ( $i = 0; $i < $col; $i++ ) {
-                $html .= '<div class="col-md-' . $columns . '">';
-                if ( $col == 2 && $i == 1 ) {
+            for ($i = 0; $i < $col; $i++) {
+                $html .= '<div class="col-md-'.$columns.'">';
+                if ($col == 2 && $i == 1) {
                     if ($right === true) {
                         $html .= '<div class="pull-right">';
                         $html .= (isset($content[$i]) ? $content[$i] : '');
@@ -2468,9 +2468,9 @@ 
             $params['class'] = 'panel panel-default';
             $html = null;
             if (!empty($title)) {
-                $html .= '<div class="panel-heading">'.$title.'</div>' . PHP_EOL;
+                $html .= '<div class="panel-heading">'.$title.'</div>'.PHP_EOL;
             }
-            $html.= '<div class="panel-body">'.$content.'</div>' . PHP_EOL;
+            $html .= '<div class="panel-body">'.$content.'</div>'.PHP_EOL;
             $html = Display::div($html, $params);
         }
         return $html;

main/inc/lib/exercise.lib.php

Doc Comments +9 added lines, -6 removed lines

@@ -1255,6 +1255,7 @@ 
 
     /**
      * Validates the time control key
+     * @param integer $exercise_id
      */
     public static function exercise_time_control_is_valid(
         $exercise_id,
@@ -1388,7 +1389,7 @@ 
      * @param int $in_direction
      * @param string $in_hotpot_path
      * @param bool $in_get_count
-     * @param null $where_condition
+     * @param string $where_condition
      * @return array|int
      */
     public static function get_exam_results_hotpotatoes_data(
@@ -2179,7 +2180,7 @@ 
     /**
      * Return true if pass_pourcentage activated (we use the pass pourcentage feature
      * return false if pass_percentage = 0 (we don't use the pass pourcentage feature
-     * @param $in_pass_pourcentage
+     * @param string $in_pass_pourcentage
      * @return boolean
      * In this version, pass_percentage and show_success_message are disabled if
      * pass_percentage is set to 0
@@ -2192,7 +2193,7 @@ 
     /**
      * Converts a numeric value in a percentage example 0.66666 to 66.67 %
      * @param $value
-     * @return float Converted number
+     * @return string Converted number
      */
     public static function convert_to_percentage($value)
     {
@@ -2208,7 +2209,7 @@ 
      * @param   float $score
      * @param   float $weight
      * @deprecated seem not to be used
-     * @return  float   the score rounded converted to the new range
+     * @return  string|null   the score rounded converted to the new range
      */
     public static function convert_score($score, $weight)
     {
@@ -2759,6 +2760,7 @@ 
      * @param    int        exercise id
      * @param    int    $courseId
      * @param    int        session id
+     * @param integer $user_count
      * @return    float    Best average score
      */
     public static function get_best_average_score_by_exercise(
@@ -3198,8 +3200,9 @@ 
     }
 
     /**
-     * @param array $answer
+     * @param string|null $answer
      * @param string $user_answer
+     * @param string|null $current_answer
      * @return array
      */
     public static function check_fill_in_blanks($answer, $user_answer, $current_answer)
@@ -3805,7 +3808,7 @@ 
 
     /**
      * @param int $countLetter
-     * @return mixed
+     * @return string
      */
     public static function detectInputAppropriateClass($countLetter)
     {

Spacing +114 added lines, -114 removed lines

@@ -67,7 +67,7 @@ 
                 if ($show_title) {
                     TestCategory::displayCategoryAndTitle($objQuestionTmp->id);
                     echo Display::div(
-                        $current_item . '. ' . $objQuestionTmp->selectTitle(),
+                        $current_item.'. '.$objQuestionTmp->selectTitle(),
                         array('class' => 'question_title')
                     );
                 }
@@ -112,7 +112,7 @@ 
                         <div class="clearfix">
                         <ul class="exercise-draggable-answer ui-helper-reset ui-helper-clearfix">';
                 } else {
-                    $s .= '<div id="drag' . $questionId . '_question" class="drag_question">
+                    $s .= '<div id="drag'.$questionId.'_question" class="drag_question">
                            <table class="data_table">';
                 }
 
@@ -159,12 +159,12 @@ 
             } elseif ($answerType == FREE_ANSWER) {
                 $fck_content = isset($user_choice[0]) && !empty($user_choice[0]['answer']) ? $user_choice[0]['answer'] : null;
 
-                $form = new FormValidator('free_choice_' . $questionId);
+                $form = new FormValidator('free_choice_'.$questionId);
                 $config = array(
                     'ToolbarSet' => 'TestFreeAnswer'
                 );
-                $form->addHtmlEditor("choice[" . $questionId . "]", null, false, false, $config);
-                $form->setDefaults(array("choice[" . $questionId . "]" => $fck_content));
+                $form->addHtmlEditor("choice[".$questionId."]", null, false, false, $config);
+                $form->setDefaults(array("choice[".$questionId."]" => $fck_content));
                 $s .= $form->returnForm();
             } elseif ($answerType == ORAL_EXPRESSION) {
                 // Add nanog
@@ -189,11 +189,11 @@ 
                     echo $nano->show_button();
                 }
 
-                $form = new FormValidator('free_choice_' . $questionId);
+                $form = new FormValidator('free_choice_'.$questionId);
                 $config = array(
                     'ToolbarSet' => 'TestFreeAnswer'
                 );
-                $form->addHtmlEditor("choice[" . $questionId . "]", null, false, false, $config);
+                $form->addHtmlEditor("choice[".$questionId."]", null, false, false, $config);
                 //$form->setDefaults(array("choice[" . $questionId . "]" => $fck_content));
                 $s .= $form->returnForm();
             }
@@ -278,7 +278,7 @@ 
                     case UNIQUE_ANSWER_NO_OPTION:
                         //no break
                     case UNIQUE_ANSWER_IMAGE:
-                        $input_id = 'choice-' . $questionId . '-' . $answerId;
+                        $input_id = 'choice-'.$questionId.'-'.$answerId;
 
                         if (isset($user_choice[0]['answer']) && $user_choice[0]['answer'] == $numAnswer) {
                             $attributes = array(
@@ -304,14 +304,14 @@ 
                         if ($answerType == UNIQUE_ANSWER_IMAGE) {
                             if ($show_comment) {
                                 if (empty($comment)) {
-                                    $s .= '<div id="answer' . $questionId . $numAnswer . '" '
+                                    $s .= '<div id="answer'.$questionId.$numAnswer.'" '
                                         . 'class="exercise-unique-answer-image" style="text-align: center">';
                                 } else {
-                                    $s .= '<div id="answer' . $questionId . $numAnswer . '" '
+                                    $s .= '<div id="answer'.$questionId.$numAnswer.'" '
                                         . 'class="exercise-unique-answer-image col-xs-6 col-sm-12" style="text-align: center">';
                                 }
                             } else {
-                                $s .= '<div id="answer' . $questionId . $numAnswer . '" '
+                                $s .= '<div id="answer'.$questionId.$numAnswer.'" '
                                     . 'class="exercise-unique-answer-image col-xs-6 col-md-3" style="text-align: center">';
                             }
                         }
@@ -319,7 +319,7 @@ 
                         $answer = Security::remove_XSS($answer, STUDENT);
                         $s .= Display::input(
                             'hidden',
-                            'choice2[' . $questionId . ']',
+                            'choice2['.$questionId.']',
                             '0'
                         );
 
@@ -327,13 +327,13 @@ 
 
                         if ($answerType == UNIQUE_ANSWER_IMAGE) {
                             $attributes['style'] = 'display: none;';
-                            $answer = '<div class="thumbnail">' . $answer . '</div>';
+                            $answer = '<div class="thumbnail">'.$answer.'</div>';
                         }
 
                         $answer_input .= '<label class="radio">';
                         $answer_input .= Display::input(
                             'radio',
-                            'choice[' . $questionId . ']',
+                            'choice['.$questionId.']',
                             $numAnswer,
                             $attributes
                         );
@@ -360,7 +360,7 @@ 
                     case MULTIPLE_ANSWER_TRUE_FALSE:
                         //no break
                     case GLOBAL_MULTIPLE_ANSWER:
-                        $input_id = 'choice-' . $questionId . '-' . $answerId;
+                        $input_id = 'choice-'.$questionId.'-'.$answerId;
                         $answer = Security::remove_XSS($answer, STUDENT);
 
                         if (in_array($numAnswer, $user_choice_array)) {
@@ -381,12 +381,12 @@ 
                         }
 
                         if ($answerType == MULTIPLE_ANSWER || $answerType == GLOBAL_MULTIPLE_ANSWER) {
-                            $s .= '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
+                            $s .= '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
 
                             $answer_input = '<label class="checkbox">';
                             $answer_input .= Display::input(
                                 'checkbox',
-                                'choice[' . $questionId . '][' . $numAnswer . ']',
+                                'choice['.$questionId.']['.$numAnswer.']',
                                 $numAnswer,
                                 $attributes
                             );
@@ -439,7 +439,7 @@ 
                                         'td',
                                         Display::input(
                                             'radio',
-                                            'choice[' . $questionId . '][' . $numAnswer . ']',
+                                            'choice['.$questionId.']['.$numAnswer.']',
                                             $id,
                                             $attributes
                                         ),
@@ -458,7 +458,7 @@ 
                         break;
                     case MULTIPLE_ANSWER_COMBINATION:
                         // multiple answers
-                        $input_id = 'choice-' . $questionId . '-' . $answerId;
+                        $input_id = 'choice-'.$questionId.'-'.$answerId;
 
                         if (in_array($numAnswer, $user_choice_array)) {
                             $attributes = array(
@@ -478,11 +478,11 @@ 
                         }
 
                         $answer = Security::remove_XSS($answer, STUDENT);
-                        $answer_input = '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
+                        $answer_input = '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
                         $answer_input .= '<label class="checkbox">';
                         $answer_input .= Display::input(
                             'checkbox',
-                            'choice[' . $questionId . '][' . $numAnswer . ']',
+                            'choice['.$questionId.']['.$numAnswer.']',
                             1,
                             $attributes
                         );
@@ -503,7 +503,7 @@ 
                         }
                         break;
                     case MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE:
-                        $s .= '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
+                        $s .= '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
 
                         $my_choice = array();
                         if (!empty($user_choice_array)) {
@@ -538,7 +538,7 @@ 
                                 'td',
                                 Display::input(
                                     'radio',
-                                    'choice[' . $questionId . '][' . $numAnswer . ']',
+                                    'choice['.$questionId.']['.$numAnswer.']',
                                     $key,
                                     $attributes
                                 )
@@ -595,7 +595,7 @@ 
                                     // may be "" if student viewed the question, but did not fill the blanks
                                     $correctItem = $studentAnswerList[$i];
                                 }
-                                $attributes["style"] = "width:" . $listAnswerInformations["tabinputsize"][$i] . "px";
+                                $attributes["style"] = "width:".$listAnswerInformations["tabinputsize"][$i]."px";
                                 $answer .= FillBlanks::getFillTheBlankHtml($separatorStartRegexp, $separatorEndRegexp, $correctItemRegexp, $questionId, $correctItem, $attributes, $answer, $listAnswerInformations, $displayForStudent, $i);
                             }
                             // display the last common word
@@ -609,7 +609,7 @@ 
                                 // display the common words
                                 $answer .= $listAnswerInformations["commonwords"][$i];
                                 // display the blank word
-                                $attributes["style"] = "width:" . $listAnswerInformations["tabinputsize"][$i] . "px";
+                                $attributes["style"] = "width:".$listAnswerInformations["tabinputsize"][$i]."px";
                                 $correctItem = $listAnswerInformations["tabwords"][$i];
                                 $correctItemRegexp = $correctItem;
                                 // replace / with \/ to allow the preg_replace bellow and all the regexp char
@@ -635,8 +635,8 @@ 
                             $trackAttempts = Database::get_main_table(
                                 TABLE_STATISTIC_TRACK_E_ATTEMPT
                             );
-                            $sql = 'SELECT answer FROM ' . $trackAttempts . '
-                                WHERE exe_id=' . $exe_id . ' AND question_id=' . $questionId;
+                            $sql = 'SELECT answer FROM '.$trackAttempts.'
+                                WHERE exe_id=' . $exe_id.' AND question_id='.$questionId;
                             $rsLastAttempt = Database::query($sql);
                             $rowLastAttempt = Database::fetch_array($rsLastAttempt);
                             $answer = $rowLastAttempt['answer'];
@@ -693,7 +693,7 @@ 
                                     '',
                                     $answerCorrected
                                 );
-                                $answerCorrected = '[' . $answerCorrected . ']';
+                                $answerCorrected = '['.$answerCorrected.']';
                                 $studentAnswerList[] = $answerCorrected;
                             }
                         }
@@ -714,7 +714,7 @@ 
                         */
                         $tabComments = api_preg_split(
                             '/\[[^]]+\]/',
-                            ' ' . $answer . ' '
+                            ' '.$answer.' '
                         );
                         if (!empty($correctAnswerList) && !empty($studentAnswerList)) {
                             $answer = "";
@@ -731,7 +731,7 @@ 
                                     $size
                                 );
 
-                                $answer .= $tabComments[$i] .
+                                $answer .= $tabComments[$i].
                                     Display::input(
                                         'text',
                                         "choice[$questionId][]",
@@ -778,12 +778,12 @@ 
                             $s .= '<tr><td width="45%" valign="top">';
                             $parsed_answer = $answer;
                             //left part questions
-                            $s .= '<p class="indent">' . $lines_count . '.&nbsp;' . $parsed_answer . '</p></td>';
+                            $s .= '<p class="indent">'.$lines_count.'.&nbsp;'.$parsed_answer.'</p></td>';
                             //middle part (matches selects)
 
                             $s .= '<td width="10%" valign="top" align="center" >
                                 <div class="select-matching">
-                                <select name="choice[' . $questionId . '][' . $numAnswer . ']">';
+                                <select name="choice[' . $questionId.']['.$numAnswer.']">';
 
                             // fills the list-box
                             foreach ($select_items as $key => $val) {
@@ -799,14 +799,14 @@ 
                                 if (isset($user_choice_array_position[$numAnswer]) && $val['id'] == $user_choice_array_position[$numAnswer]) {
                                     $selected = 'selected="selected"';
                                 }
-                                $s .= '<option value="' . $val['id'] . '" ' . $selected . '>' . $val['letter'] . '</option>';
+                                $s .= '<option value="'.$val['id'].'" '.$selected.'>'.$val['letter'].'</option>';
 
                             }  // end foreach()
 
                             $s .= '</select></div></td><td width="5%" class="separate">&nbsp;</td>';
                             $s .= '<td width="40%" valign="top" >';
                             if (isset($select_items[$lines_count])) {
-                                $s .= '<div class="text-right"><p class="indent">' . $select_items[$lines_count]['letter'] . '.&nbsp; ' . $select_items[$lines_count]['answer'] . '</p></div>';
+                                $s .= '<div class="text-right"><p class="indent">'.$select_items[$lines_count]['letter'].'.&nbsp; '.$select_items[$lines_count]['answer'].'</p></div>';
                             } else {
                                 $s .= '&nbsp;';
                             }
@@ -821,7 +821,7 @@ 
                                     $s .= '<tr>
                                       <td colspan="2"></td>
                                       <td valign="top">';
-                                    $s .= '<b>' . $select_items[$lines_count]['letter'] . '.</b> ' . $select_items[$lines_count]['answer'];
+                                    $s .= '<b>'.$select_items[$lines_count]['letter'].'.</b> '.$select_items[$lines_count]['answer'];
                                     $s .= "</td>
                                 </tr>";
                                     $lines_count++;
@@ -838,9 +838,9 @@ 
                             $data = $objAnswerTmp->getAnswerByAutoId($data['correct']);
                             $lines_count = $data['answer'];*/
 
-                            $windowId = $questionId . '_' . $lines_count;
+                            $windowId = $questionId.'_'.$lines_count;
 
-                            $s .= '<li class="touch-items" id="' . $windowId . '">';
+                            $s .= '<li class="touch-items" id="'.$windowId.'">';
                             $s .= Display::div(
                                 $parsed_answer,
                                 [
@@ -898,7 +898,7 @@ 
                                     Display::tag(
                                         'b',
                                         $select_items[$lines_count]['letter']
-                                    ) . $select_items[$lines_count]['answer'],
+                                    ).$select_items[$lines_count]['answer'],
                                     [
                                         'id' => "window_{$windowId}_answer",
                                         'style' => 'display: none;'
@@ -1069,7 +1069,7 @@ 
 
                 for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
                     $answerCorrect = $objAnswerTmp->isCorrect($answerId);
-                    $windowId = $questionId . '_' . $counterAnswer;
+                    $windowId = $questionId.'_'.$counterAnswer;
 
                     if ($answerCorrect) {
                         $s .= Display::div(
@@ -1114,7 +1114,7 @@ 
                 $course = api_get_course_info();
                 $doc_id = DocumentManager::get_document_id(
                     $course,
-                    '/images/' . $pictureName
+                    '/images/'.$pictureName
                 );
                 if (is_numeric($doc_id)) {
                     $images_folder_visibility = api_get_item_visibility(
@@ -1139,7 +1139,7 @@ 
                 echo "
                     <script>
                         $(document).on('ready', function () {
-                            new " . ($answerType == HOT_SPOT ? "HotspotQuestion" : "DelineationQuestion") . "({
+                            new " . ($answerType == HOT_SPOT ? "HotspotQuestion" : "DelineationQuestion")."({
                                 questionId: $questionId,
                                 exerciseId: $exerciseId,
                                 selector: '#hotspot-preview-$questionId',
@@ -1173,7 +1173,7 @@ 
             if ($answerType != HOT_SPOT_DELINEATION) {
                 $answerList = '
                     <div class="well well-sm">
-                        <h5 class="page-header">' . get_lang('HotspotZones') . '</h5>
+                        <h5 class="page-header">' . get_lang('HotspotZones').'</h5>
                         <ol>
                 ';
 
@@ -1198,7 +1198,7 @@ 
             if (!$only_questions) {
                 if ($show_title) {
                     TestCategory::displayCategoryAndTitle($objQuestionTmp->id);
-                    echo '<div class="question_title">' . $current_item . '. ' . $questionName . '</div>';
+                    echo '<div class="question_title">'.$current_item.'. '.$questionName.'</div>';
                 }
                 //@todo I need to the get the feedback type
                 echo <<<HOTSPOT
@@ -1215,7 +1215,7 @@ 
                                 <div class=\"hotspot-image\"></div>
                                 <script>
                                     $(document).on('ready', function () {
-                                        new " . ($answerType == HOT_SPOT_DELINEATION ? 'DelineationQuestion' : 'HotspotQuestion') . "({
+                                        new " . ($answerType == HOT_SPOT_DELINEATION ? 'DelineationQuestion' : 'HotspotQuestion')."({
                                             questionId: $questionId,
                                             exerciseId: $exe_id,
                                             selector: '#question_div_' + $questionId + ' .hotspot-image',
@@ -1336,11 +1336,11 @@ 
         $lp_id = intval($lp_id);
         $lp_item_id = intval($lp_item_id);
         return
-            api_get_course_int_id() . '_' .
-            api_get_session_id() . '_' .
-            $exercise_id . '_' .
-            api_get_user_id() . '_' .
-            $lp_id . '_' .
+            api_get_course_int_id().'_'.
+            api_get_session_id().'_'.
+            $exercise_id.'_'.
+            api_get_user_id().'_'.
+            $lp_id.'_'.
             $lp_item_id;
     }
 
@@ -1454,14 +1454,14 @@ 
         $res = Database::query($sql);
         $result = array();
         $apiIsAllowedToEdit = api_is_allowed_to_edit();
-        $urlBase = api_get_path(WEB_CODE_PATH) .
-            'exercice/hotpotatoes_exercise_report.php?action=delete&' .
-            api_get_cidreq() . '&id=';
+        $urlBase = api_get_path(WEB_CODE_PATH).
+            'exercice/hotpotatoes_exercise_report.php?action=delete&'.
+            api_get_cidreq().'&id=';
         while ($data = Database::fetch_array($res)) {
             $actions = null;
 
             if ($apiIsAllowedToEdit) {
-                $url = $urlBase . $data['id'] . '&path=' . $data['exe_name'];
+                $url = $urlBase.$data['id'].'&path='.$data['exe_name'];
                 $actions = Display::url(
                     Display::return_icon('delete.png', get_lang('Delete')),
                     $url
@@ -1477,7 +1477,7 @@ 
                     GroupManager::get_user_group_name($data['user_id'])
                 ),
                 'exe_date' => $data['exe_date'],
-                'score' => $data['exe_result'] . ' / ' . $data['exe_weighting'],
+                'score' => $data['exe_result'].' / '.$data['exe_weighting'],
                 'actions' => $actions,
             );
         }
@@ -1562,18 +1562,18 @@ 
         $TBL_TRACK_HOTPOTATOES = Database:: get_main_table(TABLE_STATISTIC_TRACK_E_HOTPOTATOES);
         $TBL_TRACK_ATTEMPT_RECORDING = Database:: get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT_RECORDING);
 
-        $session_id_and = ' AND te.session_id = ' . $sessionId . ' ';
+        $session_id_and = ' AND te.session_id = '.$sessionId.' ';
         $exercise_id = intval($exercise_id);
 
         $exercise_where = '';
         if (!empty($exercise_id)) {
-            $exercise_where .= ' AND te.exe_exo_id = ' . $exercise_id . '  ';
+            $exercise_where .= ' AND te.exe_exo_id = '.$exercise_id.'  ';
         }
 
         $hotpotatoe_where = '';
         if (!empty($_GET['path'])) {
             $hotpotatoe_path = Database::escape_string($_GET['path']);
-            $hotpotatoe_where .= ' AND exe_name = "' . $hotpotatoe_path . '"  ';
+            $hotpotatoe_where .= ' AND exe_name = "'.$hotpotatoe_path.'"  ';
         }
 
         // sql for chamilo-type tests for teacher / tutor view
@@ -1585,7 +1585,7 @@ 
             WHERE
                 c_id = $course_id AND
                 exe_exo_id = $exercise_id AND
-                ttte.session_id = " . $sessionId . "
+                ttte.session_id = ".$sessionId."
         )";
 
         if ($is_allowedToEdit) {
@@ -1608,9 +1608,9 @@ 
                         g.id as group_id
                     FROM $TBL_USER u
                     INNER JOIN $TBL_GROUP_REL_USER gru
-                    ON (gru.user_id = u.user_id AND gru.c_id=" . $course_id . ")
+                    ON (gru.user_id = u.user_id AND gru.c_id=".$course_id.")
                     INNER JOIN $TBL_GROUP g
-                    ON (gru.group_id = g.id AND g.c_id=" . $course_id . ")
+                    ON (gru.group_id = g.id AND g.c_id=".$course_id.")
                 )";
             }
 
@@ -1672,9 +1672,9 @@ 
                     g.id as group_id
                 FROM $TBL_USER u
                 LEFT OUTER JOIN $TBL_GROUP_REL_USER gru
-                ON ( gru.user_id = u.user_id AND gru.c_id=" . $course_id . " )
+                ON ( gru.user_id = u.user_id AND gru.c_id=".$course_id." )
                 LEFT OUTER JOIN $TBL_GROUP g
-                ON (gru.group_id = g.id AND g.c_id = " . $course_id . ")
+                ON (gru.group_id = g.id AND g.c_id = ".$course_id.")
             )";
             }
 
@@ -1687,12 +1687,12 @@ 
             (
                 SELECT u.user_id, firstname, lastname, email, username, ' ' as group_name, '' as group_id, official_code
                 FROM $TBL_USER u
-                WHERE u.status NOT IN(" . api_get_users_status_ignored_in_reports('string') . ")
+                WHERE u.status NOT IN(".api_get_users_status_ignored_in_reports('string').")
             )";
             }
 
             $sqlFromOption = " , $TBL_GROUP_REL_USER AS gru ";
-            $sqlWhereOption = "  AND gru.c_id = " . $course_id . " AND gru.user_id = user.user_id ";
+            $sqlWhereOption = "  AND gru.c_id = ".$course_id." AND gru.user_id = user.user_id ";
             $first_and_last_name = api_is_western_name_order() ? "firstname, lastname" : "lastname, firstname";
 
             if ($get_count) {
@@ -1729,8 +1729,8 @@ 
                 ON (user.user_id = exe_user_id)
                 WHERE
                     te.status != 'incomplete' AND
-                    te.c_id = " . $course_id . " $session_id_and AND
-                    ce.active <>-1 AND ce.c_id = " . $course_id . "
+                    te.c_id = ".$course_id." $session_id_and AND
+                    ce.active <>-1 AND ce.c_id = ".$course_id."
                     $exercise_where
                     $extra_where_conditions
                 ";
@@ -1757,12 +1757,12 @@ 
                     $sqlFromOption
                 WHERE
                     user.user_id=tth.exe_user_id
-                    AND tth.c_id = " . $course_id . "
+                    AND tth.c_id = ".$course_id."
                     $hotpotatoe_where
                     $sqlWhereOption
-                    AND user.status NOT IN(" . api_get_users_status_ignored_in_reports(
+                    AND user.status NOT IN(".api_get_users_status_ignored_in_reports(
                     'string'
-                ) . ")
+                ).")
                 ORDER BY
                     tth.c_id ASC,
                     tth.exe_date DESC";
@@ -1835,12 +1835,12 @@ 
 
                     if ($from_gradebook && ($is_allowedToEdit)) {
                         if (in_array(
-                            $results[$i]['username'] . $results[$i]['firstname'] . $results[$i]['lastname'],
+                            $results[$i]['username'].$results[$i]['firstname'].$results[$i]['lastname'],
                             $users_array_id
                         )) {
                             continue;
                         }
-                        $users_array_id[] = $results[$i]['username'] . $results[$i]['firstname'] . $results[$i]['lastname'];
+                        $users_array_id[] = $results[$i]['username'].$results[$i]['firstname'].$results[$i]['lastname'];
                     }
 
                     $lp_obj = isset($results[$i]['orig_lp_id']) && isset($lp_list[$results[$i]['orig_lp_id']]) ? $lp_list[$results[$i]['orig_lp_id']] : null;
@@ -1849,7 +1849,7 @@ 
                     if ($lp_obj) {
                         $url = api_get_path(
                                 WEB_CODE_PATH
-                            ) . 'newscorm/lp_controller.php?' . api_get_cidreq() . '&action=view&lp_id=' . $results[$i]['orig_lp_id'];
+                            ).'newscorm/lp_controller.php?'.api_get_cidreq().'&action=view&lp_id='.$results[$i]['orig_lp_id'];
                         $lp_name = Display::url(
                             $lp_obj['lp_name'],
                             $url,
@@ -1867,7 +1867,7 @@ 
                         );
 
                         foreach ($group_list as $id) {
-                            $group_name_list .= $clean_group_list[$id] . '<br/>';
+                            $group_name_list .= $clean_group_list[$id].'<br/>';
                         }
                         $results[$i]['group_name'] = $group_name_list;
                     }
@@ -1923,7 +1923,7 @@ 
                                 }
                             }
                             if ($revised) {
-                                $actions .= "<a href='exercise_show.php?" . api_get_cidreq() . "&action=edit&id=$id'>" .
+                                $actions .= "<a href='exercise_show.php?".api_get_cidreq()."&action=edit&id=$id'>".
                                     Display:: return_icon(
                                         'edit.png',
                                         get_lang('Edit'),
@@ -1932,7 +1932,7 @@ 
                                     );
                                 $actions .= '&nbsp;';
                             } else {
-                                $actions .= "<a href='exercise_show.php?" . api_get_cidreq() . "&action=qualify&id=$id'>" .
+                                $actions .= "<a href='exercise_show.php?".api_get_cidreq()."&action=qualify&id=$id'>".
                                     Display:: return_icon(
                                         'quiz.gif',
                                         get_lang('Qualify')
@@ -1942,11 +1942,11 @@ 
                             $actions .= "</a>";
 
                             if ($filter == 2) {
-                                $actions .= ' <a href="exercise_history.php?' . api_get_cidreq() . '&exe_id=' . $id . '">' .
+                                $actions .= ' <a href="exercise_history.php?'.api_get_cidreq().'&exe_id='.$id.'">'.
                                     Display:: return_icon(
                                         'history.gif',
                                         get_lang('ViewHistoryChange')
-                                    ) . '</a>';
+                                    ).'</a>';
                             }
 
                             //Admin can always delete the attempt
@@ -1957,31 +1957,31 @@ 
                                     date('Y-m-d h:i:s'),
                                     false
                                 );
-                                $actions .= '<a href="http://www.whatsmyip.org/ip-geo-location/?ip=' . $ip . '" target="_blank">
-                                ' . Display::return_icon('info.png', $ip) . '
+                                $actions .= '<a href="http://www.whatsmyip.org/ip-geo-location/?ip='.$ip.'" target="_blank">
+                                ' . Display::return_icon('info.png', $ip).'
                                 </a>';
 
-                                $delete_link = '<a href="exercise_report.php?' . api_get_cidreq() . '&filter_by_user=' . intval($_GET['filter_by_user']) . '&filter=' . $filter . '&exerciseId=' . $exercise_id . '&delete=delete&did=' . $id . '"
+                                $delete_link = '<a href="exercise_report.php?'.api_get_cidreq().'&filter_by_user='.intval($_GET['filter_by_user']).'&filter='.$filter.'&exerciseId='.$exercise_id.'&delete=delete&did='.$id.'"
                                 onclick="javascript:if(!confirm(\'' . sprintf(
                                         get_lang('DeleteAttempt'),
                                         $results[$i]['username'],
                                         $dt
-                                    ) . '\')) return false;">' . Display:: return_icon(
+                                    ).'\')) return false;">'.Display:: return_icon(
                                         'delete.png',
                                         get_lang('Delete')
-                                    ) . '</a>';
+                                    ).'</a>';
                                 $delete_link = utf8_encode($delete_link);
 
                                 if (api_is_drh() && !api_is_platform_admin()) {
                                     $delete_link = null;
                                 }
-                                $actions .= $delete_link . '&nbsp;';
+                                $actions .= $delete_link.'&nbsp;';
                             }
 
                         } else {
                             $attempt_url = api_get_path(
                                     WEB_CODE_PATH
-                                ) . 'exercice/result.php?' . api_get_cidreq() . '&id=' . $results[$i]['exe_id'] . '&id_session=' . $sessionId;
+                                ).'exercice/result.php?'.api_get_cidreq().'&id='.$results[$i]['exe_id'].'&id_session='.$sessionId;
                             $attempt_link = Display::url(
                                 get_lang('Show'),
                                 $attempt_url,
@@ -2038,7 +2038,7 @@ 
                     $hp_result = round(
                             ($hpresults[$i][4] / ($hpresults[$i][5] != 0 ? $hpresults[$i][5] : 1)) * 100,
                             2
-                        ) . '% (' . $hpresults[$i][4] . ' / ' . $hpresults[$i][5] . ')';
+                        ).'% ('.$hpresults[$i][4].' / '.$hpresults[$i][5].')';
                     if ($is_allowedToEdit) {
                         $list_info[] = array(
                             $hpresults[$i][0],
@@ -2112,13 +2112,13 @@ 
 
         $html = null;
         if ($show_percentage) {
-            $parent = '(' . $score . ' / ' . $weight . ')';
-            $html = $percentage . "%  $parent";
+            $parent = '('.$score.' / '.$weight.')';
+            $html = $percentage."%  $parent";
             if ($show_only_percentage) {
-                $html = $percentage . "% ";
+                $html = $percentage."% ";
             }
         } else {
-            $html = $score . ' / ' . $weight;
+            $html = $score.' / '.$weight;
         }
         $html = Display::span($html, array('class' => 'score_exercise'));
 
@@ -2212,7 +2212,7 @@ 
     {
         $return = '-';
         if ($value != '') {
-            $return = float_format($value * 100, 1) . ' %';
+            $return = float_format($value * 100, 1).' %';
         }
         return $return;
     }
@@ -2291,7 +2291,7 @@ 
         }
 
         $needle_where = !empty($search) ? " AND title LIKE '?' " : '';
-        $needle = !empty($search) ? "%" . $search . "%" : '';
+        $needle = !empty($search) ? "%".$search."%" : '';
 
         // Show courses by active status
         $active_sql = '';
@@ -2306,7 +2306,7 @@ 
         if ($search_all_sessions == true) {
             $conditions = array(
                 'where' => array(
-                    $active_sql . ' c_id = ? ' . $needle_where . $time_conditions => array(
+                    $active_sql.' c_id = ? '.$needle_where.$time_conditions => array(
                         $course_id,
                         $needle
                     )
@@ -2317,7 +2317,7 @@ 
             if ($session_id == 0) {
                 $conditions = array(
                     'where' => array(
-                        $active_sql . ' session_id = ? AND c_id = ? ' . $needle_where . $time_conditions => array(
+                        $active_sql.' session_id = ? AND c_id = ? '.$needle_where.$time_conditions => array(
                             $session_id,
                             $course_id,
                             $needle
@@ -2328,7 +2328,7 @@ 
             } else {
                 $conditions = array(
                     'where' => array(
-                        $active_sql . ' (session_id = 0 OR session_id = ? ) AND c_id = ? ' . $needle_where . $time_conditions => array(
+                        $active_sql.' (session_id = 0 OR session_id = ? ) AND c_id = ? '.$needle_where.$time_conditions => array(
                             $session_id,
                             $course_id,
                             $needle
@@ -2509,7 +2509,7 @@ 
 
             if ($return_string) {
                 if (!empty($position) && !empty($my_ranking)) {
-                    $return_value = $position . '/' . count($my_ranking);
+                    $return_value = $position.'/'.count($my_ranking);
                 } else {
                     $return_value = '-';
                 }
@@ -2590,7 +2590,7 @@ 
 
             if ($return_string) {
                 if (!empty($position) && !empty($my_ranking)) {
-                    return $position . '/' . count($my_ranking);
+                    return $position.'/'.count($my_ranking);
                 }
             }
             return $return_value;
@@ -2996,7 +2996,7 @@ 
             $courseCondition = "
             INNER JOIN $courseUser cu
             ON cu.c_id = c.id AND cu.user_id  = exe_user_id";
-            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = " . STUDENT;
+            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = ".STUDENT;
         } else {
             $courseCondition = "
             INNER JOIN $courseUserSession cu
@@ -3072,7 +3072,7 @@ 
             $courseCondition = "
             INNER JOIN $courseUser cu
             ON cu.c_id = c.id AND cu.user_id  = exe_user_id";
-            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = " . STUDENT;
+            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = ".STUDENT;
         } else {
             $courseCondition = "
             INNER JOIN $courseUserSession cu
@@ -3165,7 +3165,7 @@ 
             $courseCondition = "
             INNER JOIN $courseUser cu
             ON cu.c_id = c.id AND cu.user_id  = exe_user_id";
-            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = " . STUDENT;
+            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = ".STUDENT;
         } else {
             $courseCondition = "
             INNER JOIN $courseUserSession cu
@@ -3347,7 +3347,7 @@ 
                 }
             }
             // adds the correct word, followed by ] to close the blank
-            $answer .= ' / <font color="green"><b>' . $real_correct_tags[$i] . '</b></font>]';
+            $answer .= ' / <font color="green"><b>'.$real_correct_tags[$i].'</b></font>]';
             if (isset ($real_text[$i + 1])) {
                 $answer .= $real_text[$i + 1];
             }
@@ -3407,13 +3407,13 @@ 
         // check the default value of option
         $tabSelected = array($in_default => " selected='selected' ");
         $res = "";
-        $res .= "<select name='$in_name' id='$in_name' onchange='" . $in_onchange . "' >";
-        $res .= "<option value='-1'" . $tabSelected["-1"] . ">-- " . get_lang(
+        $res .= "<select name='$in_name' id='$in_name' onchange='".$in_onchange."' >";
+        $res .= "<option value='-1'".$tabSelected["-1"].">-- ".get_lang(
                 'AllGroups'
-            ) . " --</option>";
-        $res .= "<option value='0'" . $tabSelected["0"] . ">- " . get_lang(
+            )." --</option>";
+        $res .= "<option value='0'".$tabSelected["0"].">- ".get_lang(
                 'NotInAGroup'
-            ) . " -</option>";
+            )." -</option>";
         $tabGroups = GroupManager::get_group_list();
         $currentCatId = 0;
         for ($i = 0; $i < count($tabGroups); $i++) {
@@ -3421,10 +3421,10 @@ 
                 $tabGroups[$i]["id"]
             );
             if ($tabCategory["id"] != $currentCatId) {
-                $res .= "<option value='-1' disabled='disabled'>" . $tabCategory["title"] . "</option>";
+                $res .= "<option value='-1' disabled='disabled'>".$tabCategory["title"]."</option>";
                 $currentCatId = $tabCategory["id"];
             }
-            $res .= "<option " . $tabSelected[$tabGroups[$i]["id"]] . "style='margin-left:40px' value='" . $tabGroups[$i]["id"] . "'>" . $tabGroups[$i]["name"] . "</option>";
+            $res .= "<option ".$tabSelected[$tabGroups[$i]["id"]]."style='margin-left:40px' value='".$tabGroups[$i]["id"]."'>".$tabGroups[$i]["name"]."</option>";
         }
         $res .= "</select>";
         return $res;
@@ -3657,14 +3657,14 @@ 
                 if ($show_results) {
                     $comnt = Event::get_comments($exe_id, $questionId);
                     if (!empty($comnt)) {
-                        echo '<b>' . get_lang('Feedback') . '</b>';
-                        echo '<div id="question_feedback">' . $comnt . '</div>';
+                        echo '<b>'.get_lang('Feedback').'</b>';
+                        echo '<div id="question_feedback">'.$comnt.'</div>';
                     }
                 }
 
                 if ($show_results) {
                     $score = array(
-                        'result' => get_lang('Score') . " : " . self::show_score(
+                        'result' => get_lang('Score')." : ".self::show_score(
                                 $my_total_score,
                                 $my_total_weight,
                                 false,
@@ -3732,9 +3732,9 @@ 
         }
 
         if ($show_all_but_expected_answer) {
-            $exercise_content .= "<div class='normal-message'>" . get_lang(
+            $exercise_content .= "<div class='normal-message'>".get_lang(
                     "ExerciseWithFeedbackWithoutCorrectionComment"
-                ) . "</div>";
+                )."</div>";
         }
         // Remove audio auto play from questions on results page - refs BT#7939
         $exercise_content = preg_replace(
@@ -3834,11 +3834,11 @@ 
                     $ribbon_total_success_or_error = ' ribbon-total-error';
                 }
             }
-            $ribbon .= '<div class="total ' . $ribbon_total_success_or_error . '">';
+            $ribbon .= '<div class="total '.$ribbon_total_success_or_error.'">';
         } else {
             $ribbon .= '<div class="total">';
         }
-        $ribbon .= '<h3>' . get_lang('YourTotalScore') . ":&nbsp;";
+        $ribbon .= '<h3>'.get_lang('YourTotalScore').":&nbsp;";
         $ribbon .= self::show_score($score, $weight, false, true);
         $ribbon .= '</h3>';
         $ribbon .= '</div>';