Update for PHP 8.2

1 files changed, 9 insertions, 9 deletions

diff --git a/inc/database.inc.php b/inc/database.inc.php
index c1f9454..6518631 100644
--- a/inc/database.inc.php
+++ b/inc/database.inc.php
@@ -10,20 +10,20 @@ class Database
 	/**
 	 * @var \PDO Database handle
 	 */
-	private static $dbh = false;
+	private static ?PDO $dbh = null;
 
-	private static $returnErrors;
-	private static $lastError = false;
-	private static $explainList = array();
-	private static $queryCount = 0;
-	private static $queryTime = 0;
+	private static bool $returnErrors;
+	private static ?string $lastError = null;
+	private static array $explainList = array();
+	private static int $queryCount = 0;
+	private static float $queryTime = 0;
 
 	/**
 	 * Connect to the DB if not already connected.
 	 */
 	public static function init(bool $returnErrors = false): bool
 	{
-		if (self::$dbh !== false)
+		if (self::$dbh !== null)
 			return true;
 		self::$returnErrors = $returnErrors;
 		try {
@@ -164,9 +164,9 @@ class Database
 	}
 
 	/**
-	 * @return string|false return last error returned by query
+	 * @return ?string return last error returned by query
 	 */
-	public static function lastError()
+	public static function lastError(): ?string
 	{
 		return self::$lastError;
 	}