From c873c354ca0e4d6ab5d491e807d14678a3f39f23 Mon Sep 17 00:00:00 2001
From: kenjis <kenji.uui@gmail.com>
Date: Tue, 7 Dec 2021 12:51:56 +0900
Subject: [PATCH 1/2] refactor: add \ for regex string

Both the string before and after the change are the same string in PHP,
but I got a pattern error when I entered the string before the change
in https://regex101.com/.
---
 system/Helpers/array_helper.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/system/Helpers/array_helper.php b/system/Helpers/array_helper.php
index 423f9c266dd5..258a1874a766 100644
--- a/system/Helpers/array_helper.php
+++ b/system/Helpers/array_helper.php
@@ -20,7 +20,8 @@
      */
     function dot_array_search(string $index, array $array)
     {
-        $segments = preg_split('/(?<!\\\)\./', rtrim($index, '* '), 0, PREG_SPLIT_NO_EMPTY);
+        // See https://regex101.com/r/44Ipql/1
+        $segments = preg_split('/(?<!\\\\)\./', rtrim($index, '* '), 0, PREG_SPLIT_NO_EMPTY);
 
         $segments = array_map(static function ($key) {
             return str_replace('\.', '.', $key);

From 8cad0946e3d87d659c6e70345d79fa2eb38b701f Mon Sep 17 00:00:00 2001
From: kenjis <kenji.uui@gmail.com>
Date: Tue, 7 Dec 2021 12:54:27 +0900
Subject: [PATCH 2/2] style: break long line

---
 system/Helpers/array_helper.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/system/Helpers/array_helper.php b/system/Helpers/array_helper.php
index 258a1874a766..2f8a5f9c8366 100644
--- a/system/Helpers/array_helper.php
+++ b/system/Helpers/array_helper.php
@@ -21,7 +21,12 @@
     function dot_array_search(string $index, array $array)
     {
         // See https://regex101.com/r/44Ipql/1
-        $segments = preg_split('/(?<!\\\\)\./', rtrim($index, '* '), 0, PREG_SPLIT_NO_EMPTY);
+        $segments = preg_split(
+            '/(?<!\\\\)\./',
+            rtrim($index, '* '),
+            0,
+            PREG_SPLIT_NO_EMPTY
+        );
 
         $segments = array_map(static function ($key) {
             return str_replace('\.', '.', $key);