From 3cfcbaec167a271db3a88b38cac064ddb82c4ace Mon Sep 17 00:00:00 2001
From: sunxyw <xy2496419818@gmail.com>
Date: Sun, 27 Mar 2022 01:08:40 +0800
Subject: [PATCH] fix mb_strpos empty delimiter

---
 src/ZM/global_functions.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/ZM/global_functions.php b/src/ZM/global_functions.php
index 2e6a455f..54ee5efc 100644
--- a/src/ZM/global_functions.php
+++ b/src/ZM/global_functions.php
@@ -96,10 +96,10 @@ function unicode_decode(string $str): ?string
  */
 function match_pattern(string $pattern, string $subject): bool
 {
-    if (mb_strpos($pattern, '') === 0 && mb_strpos($subject, '') === 0) {
+    if (empty($pattern) && empty($subject)) {
         return true;
     }
-    if (mb_strpos($pattern, '*') === 0 && mb_substr($pattern, 1, 1) !== '' && mb_strpos($subject, '') === 0) {
+    if (mb_strpos($pattern, '*') === 0 && mb_substr($pattern, 1, 1) !== '' && empty($subject)) {
         return false;
     }
     if (mb_strpos($pattern, mb_substr($subject, 0, 1)) === 0) {