Fix return warnings

htdocs/core/class/stats.class.php

@@ -237,7 +237,7 @@ abstract class Stats
 
 	/**
 	 * @param	int     $year           year number
-	 * @return 	int						value
+	 * @return 	array					array of values
 	 */
 	protected abstract function getAverageByMonth($year);
 

htdocs/projet/class/projectstats.class.php

@@ -298,7 +298,7 @@ class ProjectStats extends Stats
 	 * @param	int		$startyear		End year
 	 * @param	int		$cachedelay		Delay we accept for cache file (0=No read, no save of cache, -1=No read but save)
 	 * @param   int     $wonlostfilter  Add a filter on status won/lost
-	 * @return 	array					Array of values
+	 * @return 	array|int				Array of values or <0 if error
 	 */
 	public function getWeightedAmountByMonthWithPrevYear($endyear, $startyear, $cachedelay = 0, $wonlostfilter = 1)
 	{
@@ -411,10 +411,10 @@ class ProjectStats extends Stats
 	/**
 	 * Return amount of elements by month for several years
 	 *
-	 * @param int $endyear		End year
-	 * @param int $startyear	Start year
-	 * @param int $cachedelay accept for cache file (0=No read, no save of cache, -1=No read but save)
-	 * @return array of values
+	 * @param 	int 		$endyear		End year
+	 * @param 	int 		$startyear		Start year
+	 * @param 	int 		$cachedelay 	accept for cache file (0=No read, no save of cache, -1=No read but save)
+	 * @return 	array|int					Array of values or <0 if error
 	 */
 	public function getTransformRateByMonthWithPrevYear($endyear, $startyear, $cachedelay = 0)
 	{
@@ -549,7 +549,7 @@ class ProjectStats extends Stats
 	/**
 	 * Return average of entity by month
 	 * @param	int     $year           year number
-	 * @return 	int						value
+	 * @return 	array
 	 */
 	protected function getAverageByMonth($year)
 	{

htdocs/projet/class/taskstats.class.php

@@ -212,7 +212,7 @@ class TaskStats extends Stats
 	/**
 	 * Return average of entity by month
 	 * @param	int     $year           year number
-	 * @return 	int						value
+	 * @return 	array					array of values
 	 */
 	protected function getAverageByMonth($year)
 	{