From f0000b0900e5c498739c9d53995707ae252b29d6 Mon Sep 17 00:00:00 2001
From: Jose Diaz-Gonzalez <josegonzalez@users.noreply.github.com>
Date: Sun, 12 Oct 2014 14:00:58 -0400
Subject: [PATCH] Set config argument default value to null

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

diff --git a/src/Core/StaticConfigTrait.php b/src/Core/StaticConfigTrait.php
index 102710de48e..7ae44d3f99d 100644
--- a/src/Core/StaticConfigTrait.php
+++ b/src/Core/StaticConfigTrait.php
@@ -146,7 +146,7 @@ public static function configured() {
  * @param array $config An array with a `url` key mapping to a string dsn
  * @return mixed null when adding configuration and an array of configuration data when reading.
  */
-	public static function parseDsn($config) {
+	public static function parseDsn($config = null) {
 		if (!is_array($config) || !isset($config['url'])) {
 			return $config;
 		}