Gracefully handle being unable to find any config files

1 files changed, 12 insertions, 8 deletions

diff --git a/src/SemanticScuttle/Config.php b/src/SemanticScuttle/Config.php
index 756c303..3b0f75f 100644
--- a/src/SemanticScuttle/Config.php
+++ b/src/SemanticScuttle/Config.php
@@ -102,13 +102,17 @@ class SemanticScuttle_Config
         }
 
         //find default file
-        $arDefaultFiles = array_unique(
-            array(
-                substr($configfile, 0, -3) . 'default.php',
-                $datadir . 'config.default.php',
-                '/etc/semanticscuttle/config.default.php',
-            )
-        );
+        if (null === $configfile) {
+            $arDefaultFiles = array();
+        } else {
+            $arDefaultFiles = array_unique(
+                array(
+                    substr($configfile, 0, -3) . 'default.php',
+                    $datadir . 'config.default.php',
+                    '/etc/semanticscuttle/config.default.php',
+                )
+            );
+        }
         $defaultfile = null;
         foreach ($arDefaultFiles as $file) {
             if (file_exists($this->filePrefix . $file)) {
@@ -120,4 +124,4 @@ class SemanticScuttle_Config
     }
 }
 
-?>
\ No newline at end of file
+?>