-/**
- * compare 2 locations to see which should go first based on is_primary
- * (sort function for sortPrimaryFirst)
- * @param array $location1
- * @param array $location2
- * @return number
- */
- static function primaryComparison($location1, $location2){
+ /**
+ * compare 2 locations to see which should go first based on is_primary
+ * (sort function for sortPrimaryFirst)
+ * @param array $location1
+ * @param array $location2
+ * @return int
+ */
+ public static function primaryComparison($location1, $location2) {