From d2f3d65b1f3b75da3c182f835883681dd6eef918 Mon Sep 17 00:00:00 2001
From: Michael Wallner <mike@php.net>
Date: Tue, 14 Oct 2014 18:39:26 +0200
Subject: [PATCH] glob returns false on openshift

---
 mdref/Tree.php | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/mdref/Tree.php b/mdref/Tree.php
index d9e2b0d..dd27d6f 100644
--- a/mdref/Tree.php
+++ b/mdref/Tree.php
@@ -13,7 +13,7 @@ class Tree implements \RecursiveIterator {
 	 * List of first level entries
 	 * @var array
 	 */
-	private $list;
+	private $list = array();
 	
 	/**
 	 * The list iterator
@@ -29,8 +29,10 @@ class Tree implements \RecursiveIterator {
 		if (!($list = glob("$path/*.md"))) {
 			$list = glob("$path/*/*.md");
 		}
-		$this->list = array_filter($list, $this->generateFilter($list));
-		sort($this->list, SORT_STRING);
+		if ($list) {
+			$this->list = array_filter($list, $this->generateFilter($list));
+			sort($this->list, SORT_STRING);
+		}
 		$this->repo = $repo;
 	}
 	
-- 
2.30.2