From 27d4954ab9cb316f5698e0ee17bbbe73f48fde60 Mon Sep 17 00:00:00 2001
From: Timothy J Warren <tim@timshomepage.net>
Date: Tue, 28 Feb 2017 16:44:02 -0500
Subject: [PATCH] Make certain config values optional

---
 README.md    | 1 +
 src/Pool.php | 8 +++-----
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index 1b40987..b26206d 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,7 @@ structure is like so:
 $config = [
 	'driver' => 'null', // null, apcu, redis, memcache, memcached
 	'connection' => [
+		// Optional (For some drivers):
 		// driver setup, see below for the structure for each
 		// driver
 	],
diff --git a/src/Pool.php b/src/Pool.php
index 8cbfbfc..9cfcfef 100644
--- a/src/Pool.php
+++ b/src/Pool.php
@@ -307,11 +307,9 @@ class Pool implements CacheItemPoolInterface, LoggerAwareInterface {
 	{
 		$driver = ucfirst(strtolower($driverConfig['driver']));
 		$class = __NAMESPACE__ . "\\Driver\\${driver}Driver";
-
-		if ( ! array_key_exists('options', $driverConfig))
-		{
-			$driverConfig['options'] = [];
-		}
+		
+		$driverConfig['connection'] = $driverConfig['connection'] ?? [];
+		$driverConfig['options'] = $driverConfig['options'] ?? [];
 
 		return new $class($driverConfig['connection'], $driverConfig['options']);
 	}