From 645133e2c6356c0c00392d2323e6d3eb36970f3d Mon Sep 17 00:00:00 2001
From: Paul Gilzow <paul.gilzow@platform.sh>
Date: Thu, 14 Sep 2023 11:48:28 -0500
Subject: [PATCH] returns empty string if envPrefix+SMTP_HOST is requested via
 ->getValue. Closes #17

---
 src/Config.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/Config.php b/src/Config.php
index 8fa32ea..130d4e6 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -508,6 +508,14 @@ public function hasRelationship(string $relationship) : bool
     protected function getValue(string $name) : ?string
     {
         $checkName = $this->envPrefix . strtoupper($name);
+        /*
+         * If enable_smtp is to `false` for the project, then the envPrefix.SMTP_HOST environmental variable is not
+         * included in the environment. Therefore, if the environmental variable isn't set, return an empty string, not
+         * a null
+         */
+        if('SMTP_HOST' === $name) {
+            return $this->environmentVariables[$checkName] ?? "";
+        }
         return $this->environmentVariables[$checkName] ?? null;
     }