Issue #3017753 by mxr576, alexpott: MemoryBackend should validate the passed cids

alexpott · alexpott · commit 82b22da71ac8 · 2018-12-06T11:34:50.000+01:00
(cherry picked from commit 76bb511)
diff --git a/lib/Drupal/Core/Cache/MemoryBackend.php b/lib/Drupal/Core/Cache/MemoryBackend.php
@@ -156,7 +156,8 @@ public function invalidate($cid) {
    * {@inheritdoc}
    */
   public function invalidateMultiple(array $cids) {
-    foreach ($cids as $cid) {
+    $items = array_intersect_key($this->cache, array_flip($cids));
+    foreach ($items as $cid => $item) {
       $this->cache[$cid]->expire = $this->getRequestTime() - 1;
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -156,7 +156,8 @@ public function invalidate($cid) {`
`156`	`156`	`* {@inheritdoc}`
`157`	`157`	`*/`
`158`	`158`	`public function invalidateMultiple(array $cids) {`
`159`		`- foreach ($cids as $cid) {`
	`159`	`+ $items = array_intersect_key($this->cache, array_flip($cids));`
	`160`	`+ foreach ($items as $cid => $item) {`
`160`	`161`	`$this->cache[$cid]->expire = $this->getRequestTime() - 1;`
`161`	`162`	`}`
`162`	`163`	`}`