From 6a3161cd49a2277a50c8a1f08dbe4f66bdd9ae74 Mon Sep 17 00:00:00 2001
From: Jakub Vrana <jakub@vrana.cz>
Date: Sat, 29 Mar 2025 15:21:25 +0100
Subject: [PATCH] Fix type of permanentLogin()

---
 adminer/include/adminer.inc.php   | 2 +-
 adminer/include/functions.inc.php | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/adminer/include/adminer.inc.php b/adminer/include/adminer.inc.php
index f2a41275..321be6bf 100644
--- a/adminer/include/adminer.inc.php
+++ b/adminer/include/adminer.inc.php
@@ -28,7 +28,7 @@ class Adminer {
 	}
 
 	/** Get key used for permanent login
-	* @return string cryptic string which gets combined with password or false in case of an error
+	* @return string cryptic string which gets combined with password or '' in case of an error
 	*/
 	function permanentLogin(bool $create = false): string {
 		return password_file($create);
diff --git a/adminer/include/functions.inc.php b/adminer/include/functions.inc.php
index 0fa8ef73..005f3dce 100644
--- a/adminer/include/functions.inc.php
+++ b/adminer/include/functions.inc.php
@@ -739,16 +739,16 @@ function first(array $array) {
 }
 
 /** Read password from file adminer.key in temporary directory or create one
-* @return string|false false if the file can not be created
+* @return string '' if the file can not be created
 */
-function password_file(bool $create) {
+function password_file(bool $create): string {
 	$filename = get_temp_dir() . "/adminer.key";
 	if (!$create && !file_exists($filename)) {
-		return false;
+		return '';
 	}
 	$fp = file_open_lock($filename);
 	if (!$fp) {
-		return false;
+		return '';
 	}
 	$return = stream_get_contents($fp);
 	if (!$return) {