[ticket/17176] Resolve psalm issues after PHP version update

PHPBB3-17176

phpBB/phpbb/db/driver/driver.php

@@ -1330,7 +1330,7 @@ abstract class driver implements driver_interface
 	/**
 	 * {@inheritDoc}
 	 */
-	public function clean_query_id($query_id)
+	public function clean_query_id(mixed $query_id): int|string
 	{
 		// Some DBMS functions accept/return objects and/or resources instead if identifiers
 		// Attempting to use objects/resources as array keys will throw error, hence correctly handle all cases

phpBB/phpbb/db/driver/driver_interface.php

@@ -499,9 +499,9 @@ interface driver_interface
 	/**
 	 * Ensure query ID can be used by cache
 	 *
-	 * @param resource|int|string $query_id Mixed type query id
+	 * @param mixed $query_id Mixed type query id
 	 *
 	 * @return int|string Query id in string or integer format
 	 */
-	public function clean_query_id($query_id);
+	public function clean_query_id(mixed $query_id): int|string;
 }

phpBB/phpbb/db/driver/factory.php

@@ -478,7 +478,7 @@ class factory implements driver_interface
 	/**
 	 * {@inheritDoc}
 	 */
-	public function clean_query_id($query_id)
+	public function clean_query_id(mixed $query_id): int|string
 	{
 		return $this->get_driver()->clean_query_id($query_id);
 	}

phpBB/phpbb/db/driver/postgres.php

@@ -432,7 +432,7 @@ class postgres extends \phpbb\db\driver\driver
 	protected function _sql_close(): bool
 	{
 		// Released resources are already closed, return true in this case
-		if (!is_resource($this->db_connect_id))
+		if (!$this->db_connect_id instanceof \PgSql\Connection)
 		{
 			return true;
 		}