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, 14 insertions, 0 deletions

diff --git a/app/Models/DatabaseDAO.php b/app/Models/DatabaseDAO.php
index 89327d6c9..05ca98355 100644
--- a/app/Models/DatabaseDAO.php
+++ b/app/Models/DatabaseDAO.php
@@ -393,4 +393,18 @@ SQL;
 
 		return true;
 	}
+
+	/**
+	 * Ensure that some PDO columns are `int` and not `string`.
+	 * Compatibility with PHP 7.
+	 * @param array<string|int|null> $table
+	 * @param array<string> $columns
+	 */
+	public static function pdoInt(array &$table, array $columns): void {
+		foreach ($columns as $column) {
+			if (isset($table[$column]) && is_string($table[$column])) {
+				$table[$column] = (int)$table[$column];
+			}
+		}
+	}
 }