From 4484f5f620adbc871763a97dc5d85e37e2cdc2f2 Mon Sep 17 00:00:00 2001
From: Adrian Jones <adrianbjones@gmail.com>
Date: Mon, 8 Apr 2024 19:01:37 -0700
Subject: [PATCH] Fix uninitialized string offset

This can happen if you include an unpaired single or double quote, eg: SELECT * FROM table_name WHERE field_name = 'test
---
 adminer/sql.inc.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/adminer/sql.inc.php b/adminer/sql.inc.php
index 7a21235d..216e36e2 100644
--- a/adminer/sql.inc.php
+++ b/adminer/sql.inc.php
@@ -87,7 +87,7 @@ if (!$error && $_POST) {
 								$query .= fread($fp, 1e5);
 							} else {
 								$offset = $match[0][1] + strlen($s);
-								if ($s[0] != "\\") {
+								if (!$s || $s[0] != "\\") {
 									break;
 								}
 							}