From c6aa916ae177483ad83ba58dbd728fa147d88159 Mon Sep 17 00:00:00 2001
From: Ben Thomson <git@alfreido.com>
Date: Mon, 1 Aug 2022 15:18:05 +0800
Subject: [PATCH] Improve PHP 7.4 compatibility

---
 src/ArrayFile.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ArrayFile.php b/src/ArrayFile.php
index b43c6f7..9ee3fce 100644
--- a/src/ArrayFile.php
+++ b/src/ArrayFile.php
@@ -180,7 +180,7 @@ public function set($key, $value = null)
      */
     protected function makeArrayItem(string $key, string $valueType, $value): ArrayItem
     {
-        return (str_contains($key, '.'))
+        return (strpos($key, '.') !== false)
             ? $this->makeAstArrayRecursive($key, $valueType, $value)
             : new ArrayItem(
                 $this->makeAstNode($valueType, $value),