Fix PHP 7 compatibility strict_types (#5893)

* Fix PHP 7 compatibility
https://github.com/FreshRSS/FreshRSS/discussions/5892

* Multiple PHP 7 fixes

* PHPStan

1 files changed, 21 insertions, 4 deletions

diff --git a/app/Models/StatsDAO.php b/app/Models/StatsDAO.php
index 2cef6c183..0e0bad623 100644
--- a/app/Models/StatsDAO.php
+++ b/app/Models/StatsDAO.php
@@ -49,8 +49,13 @@ WHERE e.id_feed = f.id
 {$filter}
 SQL;
 		$res = $this->fetchAssoc($sql);
-		/** @var array<array{'total':int,'count_unreads':int,'count_reads':int,'count_favorites':int}>|null $res */
-		return $res[0] ?? false;
+		if (!empty($res[0])) {
+			$dao = $res[0];
+			/** @var array<array{'total':int,'count_unreads':int,'count_reads':int,'count_favorites':int}> $res */
+			FreshRSS_DatabaseDAO::pdoInt($dao, ['total', 'count_unreads', 'count_reads', 'count_favorites']);
+			return $dao;
+		}
+		return false;
 	}
 
 	/**
@@ -286,7 +291,13 @@ LIMIT 10
 SQL;
 		$res = $this->fetchAssoc($sql);
 		/** @var array<array{'id':int,'name':string,'category':string,'count':int}>|null $res */
-		return $res == null ? [] : $res;
+		if (is_array($res)) {
+			foreach ($res as &$dao) {
+				FreshRSS_DatabaseDAO::pdoInt($dao, ['id', 'count']);
+			}
+			return $res;
+		}
+		return [];
 	}
 
 	/**
@@ -306,7 +317,13 @@ ORDER BY name
 SQL;
 		$res = $this->fetchAssoc($sql);
 		/** @var array<array{'id':int,'name':string,'last_date':int,'nb_articles':int}>|null $res */
-		return $res == null ? [] : $res;
+		if (is_array($res)) {
+			foreach ($res as &$dao) {
+				FreshRSS_DatabaseDAO::pdoInt($dao, ['id', 'last_date', 'nb_articles']);
+			}
+			return $res;
+		}
+		return [];
 	}
 
 	/**