X-Git-Url: https://git.heureux-cyclage.org/?a=blobdiff_plain;f=includes%2Fdb%2FCloneDatabase.php;h=edb54aee89df4056a4b5cac42bd8daf1d886cb8e;hb=bd2f9e35da01c782751884366f207e6e166099fb;hp=16d10d1d5416ff74dca240f1f4bb1d45d7dbcf1c;hpb=4a811bd14b28af7465e6d1df1fb61291de4b5911;p=lhc%2Fweb%2Fwiklou.git

diff --git a/includes/db/CloneDatabase.php b/includes/db/CloneDatabase.php
index 16d10d1d54..edb54aee89 100644
--- 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;
 	}