From 2f5d7f2b0ede67973ae2631ff04b0b89cd48a07c Mon Sep 17 00:00:00 2001
From: Cassiano Rafael <110979114+CassianoRafael@users.noreply.github.com>
Date: Fri, 15 Sep 2023 14:46:52 -0300
Subject: [PATCH] Fix potential null issue in rawAddPrefix method

---
 MysqliDb.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/MysqliDb.php b/MysqliDb.php
index ab88d03..17bf8ae 100644
--- a/MysqliDb.php
+++ b/MysqliDb.php
@@ -556,6 +556,10 @@ public function rawAddPrefix($query){
         preg_match_all("/(from|into|update|join|describe) [\\'\\´]?([a-zA-Z0-9_-]+)[\\'\\´]?/i", $query, $matches);
         list($from_table, $from, $table) = $matches;
 
+        // Check if there are matches
+        if (empty($table[0]))
+            return $query; 
+
         return str_replace($table[0], self::$prefix.$table[0], $query);
     }