From 624fb61f0d38a1aa2e91bb98207f3e0f16c08528 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=82=B9=E6=99=AF=E7=AB=8B?= <zoujingli@qq.com>
Date: Thu, 17 Oct 2024 00:05:09 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=E7=9B=AE=E5=BD=95?=
 =?UTF-8?q?=E6=89=AB=E6=8F=8F=E5=87=BD=E6=95=B0?=
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---
 src/extend/ToolsExtend.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/extend/ToolsExtend.php b/src/extend/ToolsExtend.php
index d199a51a..50af9912 100644
--- a/src/extend/ToolsExtend.php
+++ b/src/extend/ToolsExtend.php
@@ -87,8 +87,8 @@ public static function removeEmptyDirectory(string $path): bool
      */
     public static function scanDirectory(string $path, ?int $depth = null, string $filterExt = '', bool $shortPath = true): array
     {
-        return static::findFilesArray($path, $depth, static function (SplFileInfo $info) use ($filterExt) {
-            return !$filterExt || $info->getExtension() === $filterExt;
+        return static::findFilesArray($path, $depth, function (SplFileInfo $info) use ($filterExt, &$files) {
+            return $info->isDir() || $filterExt === '' || strtolower($info->getExtension()) === strtolower($filterExt);
         }, $shortPath);
     }
 
@@ -120,7 +120,7 @@ public static function findFilesArray(string $path, ?int $depth = null, ?Closure
      * @param ?integer $depth 扫描深度
      * @param \Closure|null $filter 文件过滤，返回 false 表示放弃
      * @param boolean $appendPath 是否包含目录本身在结果中。
-     * @param integer $currDepth 当前递归深度，初始值为 0。
+     * @param integer $currDepth 当前深度，临时变量递归时使用。
      * @return \Generator 返回 SplFileInfo 对象的生成器。
      */
     private static function findFilesYield(string $path, ?int $depth = null, ?Closure $filter = null, bool $appendPath = false, int $currDepth = 1): Generator