From 1bece9174c7a94e212be1b7d105a7512e8899d70 Mon Sep 17 00:00:00 2001
From: nfreear <nfreear>
Date: Tue, 10 Oct 2006 11:03:35 +0000
Subject: [PATCH] Fixes bug, "Warning: Invalid argument supplied for foreach()
 in /var/www/html/ndf42/head/lib/blocklib.php on line 174"

---
 lib/blocklib.php | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/lib/blocklib.php b/lib/blocklib.php
index e7a8930f7f..80e55cc551 100644
--- a/lib/blocklib.php
+++ b/lib/blocklib.php
@@ -171,13 +171,15 @@ function blocks_name_allowed_in_format($name, $pageformat) {
     $formats = block_method_result($name, 'applicable_formats');
     $accept  = NULL;
     $depth   = -1;
-    foreach($formats as $format => $allowed) {
-        $thisformat = '^'.str_replace('*', '[^-]*', $format).'.*$';
-        if(ereg($thisformat, $pageformat)) {
-            if(($scount = substr_count($format, '-')) > $depth) {
-                $depth  = $scount;
-                $accept = $allowed;
-            }
+    if (isset($formats)) {
+        foreach($formats as $format => $allowed) {
+            $thisformat = '^'.str_replace('*', '[^-]*', $format).'.*$';
+            if(ereg($thisformat, $pageformat)) {
+                if(($scount = substr_count($format, '-')) > $depth) {
+                    $depth  = $scount;
+                    $accept = $allowed;
+               }
+           }
         }
     }
     if($accept === NULL) {
-- 
2.39.5