Bring prepend() in line with register()

CHH · May 2, 2013 · 36e0de1 · 36e0de1
1 parent 63f9dcd
commit 36e0de1
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/lib/Pipe/Util/ProcessorRegistry.php b/lib/Pipe/Util/ProcessorRegistry.php
@@ -9,8 +9,8 @@ class ProcessorRegistry
 
     function prepend($mimeType, $processor)
     {
-        if (!class_exists($processor)) {
-            throw new \InvalidArgumentException("Class $processor is not defined");
+        if (!class_exists($processor) and !is_callable($processor)) {
+            throw new \InvalidArgumentException("Processor must be either a factory callback or a class name");
         }
 
         if (empty($this->processors[$mimeType])) {