Simplify the blockcache mData validity check to avoid other potential not-an-array...

diff --git a/includes/BlockCache.php b/includes/BlockCache.php
index 5b65bdc..135d206 100644 (file)
--- a/includes/BlockCache.php
+++ b/includes/BlockCache.php
@@ -36,7 +36,7 @@ class BlockCache
                                }
                        }
 
-                       if ( $this->mData === false || is_null( $this->mData ) ) {
+                       if ( !is_array( $this->mData ) ) {
                                # Load from DB
                                $this->mData = array();
                                Block::enumBlocks( "wfBlockCacheInsert", "" ); # Calls $this->insert()