Version 4.7.0

admin/convertutf8/system/Convert/Convert.php

@@ -549,7 +549,7 @@ class Convert
 				}
 				
 				/* If we have moved the only row from $batch to $nextbatch, then process that now */
-				if ( \count( $nextBatch ) and ! \count( $batch ) )
+				if ( \is_array( $batch ) and \count( $nextBatch ) and ! \count( $batch ) )
 				{
 					$batch     = $nextBatch;
 					$nextBatch = array();