Merge "Revert "Work around Firefox 57 attribute parsing regression""

[lhc/web/wiklou.git] / includes / db / CloneDatabase.php

diff --git a/includes/db/CloneDatabase.php b/includes/db/CloneDatabase.php
index 16d10d1..edb54ae 100644 (file)
--- a/includes/db/CloneDatabase.php
+++ b/includes/db/CloneDatabase.php
@@ -50,12 +50,12 @@ class CloneDatabase {
         * @param bool $dropCurrentTables
         */
        public function __construct( IMaintainableDatabase $db, array $tablesToClone,
-               $newTablePrefix, $oldTablePrefix = '', $dropCurrentTables = true
+               $newTablePrefix, $oldTablePrefix = null, $dropCurrentTables = true
        ) {
                $this->db = $db;
                $this->tablesToClone = $tablesToClone;
                $this->newTablePrefix = $newTablePrefix;
-               $this->oldTablePrefix = $oldTablePrefix ? $oldTablePrefix : $this->db->tablePrefix();
+               $this->oldTablePrefix = $oldTablePrefix !== null ? $oldTablePrefix : $this->db->tablePrefix();
                $this->dropCurrentTables = $dropCurrentTables;
        }