From 9c5754acaabc366ff7b1fb768d5054edc6746bdd Mon Sep 17 00:00:00 2001
From: Alexander McCullagh <xaldaneer@gmail.com>
Date: Wed, 18 Dec 2019 15:26:27 +0100
Subject: [PATCH] [Dotenv] FIX missing getenv

---
 src/Symfony/Component/Dotenv/Dotenv.php           |  2 +-
 src/Symfony/Component/Dotenv/Tests/DotenvTest.php | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Dotenv/Dotenv.php b/src/Symfony/Component/Dotenv/Dotenv.php
index c2475f204a8bb..84e66b1d0bd79 100644
--- a/src/Symfony/Component/Dotenv/Dotenv.php
+++ b/src/Symfony/Component/Dotenv/Dotenv.php
@@ -387,7 +387,7 @@ private function resolveVariables($value, array $loadedVars)
             } elseif (isset($this->values[$name])) {
                 $value = $this->values[$name];
             } else {
-                $value = '';
+                $value = (string) getenv($name);
             }
 
             if (!$matches['opening_brace'] && isset($matches['closing_brace'])) {
diff --git a/src/Symfony/Component/Dotenv/Tests/DotenvTest.php b/src/Symfony/Component/Dotenv/Tests/DotenvTest.php
index 1e493f24bdb5b..965f368643d81 100644
--- a/src/Symfony/Component/Dotenv/Tests/DotenvTest.php
+++ b/src/Symfony/Component/Dotenv/Tests/DotenvTest.php
@@ -314,4 +314,15 @@ public function testGetVariablesValueFromEnvFirst()
             $this->assertSame('foo2_prod', $values['TEST2']);
         }
     }
+
+    public function testGetVariablesValueFromGetenv()
+    {
+        putenv('Foo=Bar');
+
+        $dotenv = new Dotenv(true);
+        $values = $dotenv->parse('Foo=${Foo}');
+        $this->assertSame('Bar', $values['Foo']);
+
+        putenv('Foo');
+    }
 }