diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index a3a05c9..8b96621 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [7.1, 7.2, 7.3, 7.4, 8.0] #
+        php: [7.1, 7.2, 7.3, 7.4, 8.0, 8.1] #
 #        os: [ubuntu-latest, macOS-latest] # windows-latest,
 
     steps:
diff --git a/src/func.php b/src/func.php
index 3809b9e..5f46e2c 100644
--- a/src/func.php
+++ b/src/func.php
@@ -114,14 +114,14 @@ function eprints(...$vars): void
     }
 }
 
-if (!function_exists('env')) {
+if (!function_exists('env_val')) {
     /**
      * @param string $key
      * @param string $default
      *
      * @return string
      */
-    function env(string $key, string $default = ''): string
+    function env_val(string $key, string $default = ''): string
     {
         return Toolkit\Stdlib\OS::getEnvStrVal($key, $default);
     }