diff --git a/skeleton/meta/definitions/env.php b/skeleton/meta/definitions/env.php
index c906296..ba08ecf 100644
--- a/skeleton/meta/definitions/env.php
+++ b/skeleton/meta/definitions/env.php
@@ -1,3 +1,13 @@
 <?php
 
+if (! function_exists('getenvonce')) {
+    function getenvonce(string $name) : array|string|false
+    {
+        $value = getenv($name);
+        unset($_ENV[$name], $_SERVER[$name]);
+        putenv($name . "=");
+        return $value;
+    }
+}
+
 return require("env/" . ( getenv('APP_ENV') ?? 'prod' ) . ".php");
\ No newline at end of file