[svn r15168] Minor: removed notice-level errors

main/inc/lib/course.lib.php

@@ -1274,6 +1274,7 @@ class CourseManager
 	*/
 	function get_list_of_virtual_courses_for_specific_user_and_real_course($user_id, $real_course_code)
 	{
+		$result_array = array();
 		$course_table = Database :: get_main_table(TABLE_MAIN_COURSE);
 		$course_user_table = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
 
@@ -1740,4 +1741,4 @@ class CourseManager
 		return Database::num_rows($rs);
 	}	
 } //end class CourseManager
-?>
+?>

main/inc/lib/display.lib.php

@@ -649,6 +649,7 @@ class Display {
 	*/
 	function return_icon($image,$alt_text='',$additional_attributes=array())
 	{
+		$attribute_list = '';
 		// alt text = the image if there is none provided (for XHTML compliance)
 		if ($alt_text=='')
 		{
@@ -664,10 +665,9 @@ class Display {
 				$attribute_list.=$key.'="'.$value.'" ';
 			}
 		}
-
 		return '<img src="'.api_get_path(WEB_IMG_PATH).$image.'" alt="'.$alt_text.'"  title="'.$alt_text.'" '.$attribute_list.'  />';
 	}
 
 
 } //end class Display
-?>
+?>

main/inc/lib/groupmanager.lib.php

@@ -1160,6 +1160,7 @@ class GroupManager
 	 */
 	function get_group_ids($course_db,$user_id)
 	{
+	$groups = array();
 	$tbl_group = Database::get_course_table(TABLE_GROUP_USER,$course_db);
 
 	$sql = "SELECT group_id FROM $tbl_group WHERE user_id = '$user_id'";
@@ -1377,4 +1378,4 @@ class GroupManager
 	    return $groups;
 	}
 }
-?>
+?>

user_portal.php

@@ -606,6 +606,8 @@ function get_logged_user_course_html($my_course)
 
 	if(api_get_setting('use_session_mode')=='true' && !$nosession)
 	{
+		$session = '';
+		$active = false;
 		if(!empty($my_course['session_name']))
 		{
 			$session = $my_course['session_name'];
@@ -704,6 +706,7 @@ function get_user_course_categories()
 {
 	global $_user;
 
+	$output = array();
 	$table_category = Database::get_user_personal_table(TABLE_USER_COURSE_CATEGORY);
 	$sql = "SELECT * FROM ".$table_category." WHERE user_id='".$_user['user_id']."'";
 	$result = api_sql_query($sql,__FILE__,__LINE__);
@@ -933,7 +936,7 @@ if (is_array($list))
 		foreach ($listActives as $key => $value)
 		{
 			if(!empty($value[2])){
-				if($old_session != $value[2]){
+				if((isset($old_session) && $old_session != $value[2]) or ((!isset($old_session)) && isset($value[2]))){
 					$old_session = $value[2];
 					if($key != 0){
 						echo "\n</ul>";