From 8b7ae31cb9d75716ff0cc88157e7a22dbf54836a Mon Sep 17 00:00:00 2001
From: Peter Westwood <westi@git.wordpress.org>
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: https://develop.svn.wordpress.org/trunk@6113 602fd350-edb4-49c9-b593-d223f7449a82
---
 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 11bd998be8..c0456192d6 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"))
 		{