From b36db5619bb41a3260c57e8f8e664c144f17a6ab Mon Sep 17 00:00:00 2001
From: westi <westi@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Thu, 13 Sep 2007 20:36:31 +0000
Subject: [PATCH] Switch to is_callable instead of function_exists to allow for
 class based importer plugins. Fixes #4614

git-svn-id: http://svn.automattic.com/wordpress/trunk@6113 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-admin/admin.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-admin/admin.php b/wp-admin/admin.php
index 11bd998be..c0456192d 100644
--- a/wp-admin/admin.php
+++ b/wp-admin/admin.php
@@ -78,7 +78,7 @@ if (isset($plugin_page)) {
 	}
 
 	// Allow plugins to define importers as well
-	if (! function_exists($wp_importers[$importer][2]))
+	if (! is_callable($wp_importers[$importer][2]))
 	{
 		if (! file_exists(ABSPATH . "wp-admin/import/$importer.php"))
 		{