From 3755bba784838f635902f974f71434bb2306fe69 Mon Sep 17 00:00:00 2001
From: James Titcumb <james@asgrim.com>
Date: Fri, 4 Oct 2019 14:27:35 +0100
Subject: [PATCH] strtolower for Assertion too

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

diff --git a/src/Logger/FilteredLogLevelDecorator.php b/src/Logger/FilteredLogLevelDecorator.php
index 3b1fe117..111905f8 100644
--- a/src/Logger/FilteredLogLevelDecorator.php
+++ b/src/Logger/FilteredLogLevelDecorator.php
@@ -39,7 +39,7 @@ final class FilteredLogLevelDecorator implements LoggerInterface
      */
     public function __construct(LoggerInterface $realLogger, string $minimumLogLevel)
     {
-        Assert::keyExists(self::LOG_LEVEL_ORDER, $minimumLogLevel);
+        Assert::keyExists(self::LOG_LEVEL_ORDER, strtolower($minimumLogLevel));
 
         $this->minimumLogLevel = self::LOG_LEVEL_ORDER[strtolower($minimumLogLevel)];
         $this->realLogger      = $realLogger;