X-Git-Url: https://git.heureux-cyclage.org/?a=blobdiff_plain;f=includes%2Flibs%2Fobjectcache%2FMultiWriteBagOStuff.php;h=200ab7969c9ad6de66febf9aba0e8c9df963c9fb;hb=d455aa29a685971c8191bc38383f1514e7cae806;hp=9dcfa7c55eec5740f6c88388cf556a7b9ad1e885;hpb=61898ad28ed69c5b391eb43e0db9386279b9612c;p=lhc%2Fweb%2Fwiklou.git

diff --git a/includes/libs/objectcache/MultiWriteBagOStuff.php b/includes/libs/objectcache/MultiWriteBagOStuff.php
index 9dcfa7c55e..200ab7969c 100644
--- a/includes/libs/objectcache/MultiWriteBagOStuff.php
+++ b/includes/libs/objectcache/MultiWriteBagOStuff.php
@@ -171,16 +171,22 @@ class MultiWriteBagOStuff extends BagOStuff {
 	/**
 	 * Apply a write method to the first $count backing caches
 	 *
-	 * @param integer $count
+	 * @param int $count
 	 * @param bool $asyncWrites
 	 * @param string $method
-	 * @param mixed ...
+	 * @param mixed $args,...
 	 * @return bool
 	 */
 	protected function doWrite( $count, $asyncWrites, $method /*, ... */ ) {
 		$ret = true;
 		$args = array_slice( func_get_args(), 3 );
 
+		if ( $count > 1 && $asyncWrites ) {
+			// Deep-clone $args to prevent misbehavior when something writes an
+			// object to the BagOStuff then modifies it afterwards, e.g. T168040.
+			$args = unserialize( serialize( $args ) );
+		}
+
 		foreach ( $this->caches as $i => $cache ) {
 			if ( $i >= $count ) {
 				break; // ignore the lower tiers
@@ -226,4 +232,12 @@ class MultiWriteBagOStuff extends BagOStuff {
 
 		return $ret;
 	}
+
+	public function makeKey() {
+		return call_user_func_array( [ $this->caches[0], __FUNCTION__ ], func_get_args() );
+	}
+
+	public function makeGlobalKey() {
+		return call_user_func_array( [ $this->caches[0], __FUNCTION__ ], func_get_args() );
+	}
 }