ResultSet: added workaround for PDO bug #38546 (#231)

https://bugs.php.net/bug.php?id=38546

Author: peldax

src/Database/ResultSet.php

@@ -59,7 +59,7 @@ public function __construct(Connection $connection, string $queryString, array $
 			if (substr($queryString, 0, 2) === '::') {
 				$connection->getPdo()->{substr($queryString, 2)}();
 			} elseif ($queryString !== null) {
-				static $types = ['boolean' => PDO::PARAM_BOOL, 'integer' => PDO::PARAM_INT,
+				static $types = ['boolean' => PHP_VERSION < 70307 ? PDO::PARAM_INT : PDO::PARAM_BOOL, 'integer' => PDO::PARAM_INT,
 					'resource' => PDO::PARAM_LOB, 'NULL' => PDO::PARAM_NULL, ];
 				$this->pdoStatement = $connection->getPdo()->prepare($queryString);
 				foreach ($params as $key => $value) {