From 222cc0e52f45e31083bdcc3efe6916c62b9d4609 Mon Sep 17 00:00:00 2001
From: brettp <brettp@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Mon, 1 Feb 2010 23:14:42 +0000
Subject: Added error checking to clear_metadata_by_owner().

git-svn-id: http://code.elgg.org/elgg/trunk@3897 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 engine/lib/metadata.php | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/engine/lib/metadata.php b/engine/lib/metadata.php
index 17835e07e..e867311ae 100644
--- a/engine/lib/metadata.php
+++ b/engine/lib/metadata.php
@@ -977,10 +977,12 @@ function clear_metadata_by_owner($owner_guid) {
 	$metas = get_data("SELECT id from {$CONFIG->dbprefix}metadata WHERE owner_guid=$owner_guid");
 	$deleted = 0;
 
-	foreach ($metas as $id) {
-		// Is this the best way?
-		if (delete_metadata($id->id)) {
-			$deleted++;
+	if (is_array($metas)) {
+		foreach ($metas as $id) {
+			// Is this the best way?
+			if (delete_metadata($id->id)) {
+				$deleted++;
+			}
 		}
 	}
 
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