From ccc5d3a888ea3d47f919e7aebb020dfb1dd6c410 Mon Sep 17 00:00:00 2001
From: liugang <liugang@easycorp.ltd>
Date: Fri, 8 Nov 2024 09:24:15 +0800
Subject: [PATCH] + [refac] check if the label already used.

---
 lib/cache/cache.class.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/cache/cache.class.php b/lib/cache/cache.class.php
index 1898a0a273..b35fdaf0a0 100644
--- a/lib/cache/cache.class.php
+++ b/lib/cache/cache.class.php
@@ -709,6 +709,7 @@ class cache
     {
         if(empty($label)) return $this->log('The label is empty', __FILE__, __LINE__);
         if(empty($this->key)) return $this->log('The key is empty', __FILE__, __LINE__);
+        if(isset($this->labels[$label])) return $this->log("Label {$label} already used", __FILE__, __LINE__);
         $this->labels[$label] = $this->key;
         return $this;
     }