Fixes #14811: Fixed yii\filters\HttpCache to work with PHP 7.2

framework/CHANGELOG.md

@@ -4,6 +4,7 @@ Yii Framework 2 Change Log
 2.0.14 under development
 ------------------------
 
+- Bug #14811: Fixed `yii\filters\HttpCache` to work with PHP 7.2 (samdark)
 - Bug #8983: Only truncate the original log file for rotation (matthewyang, developeruz)
 - Bug #11401: Fixed `yii\web\DbSession` concurrency issues when writing and regenerating IDs (samdark, andreasanta, cebe)
 - Bug #13034: Fixed `normalizePath` for windows network shares that start with two backslashes (developeruz)

framework/filters/HttpCache.php

@@ -189,7 +189,8 @@ class HttpCache extends ActionFilter
                 header_remove('Last-Modified');
                 header_remove('Pragma');
             }
-            session_cache_limiter($this->sessionCacheLimiter);
+
+            Yii::$app->getSession()->setCacheLimiter($this->sessionCacheLimiter);
         }
 
         $headers = Yii::$app->getResponse()->getHeaders();

framework/web/Session.php

@@ -954,4 +954,28 @@ class Session extends Component implements \IteratorAggregate, \ArrayAccess, \Co
             $this->frozenSessionData = null;
         }
     }
+
+    /**
+     * Set cache limiter
+     *
+     * @param string $cacheLimiter
+     * @since 2.0.14
+     */
+    public function setCacheLimiter($cacheLimiter)
+    {
+        $this->freeze();
+        session_cache_limiter($cacheLimiter);
+        $this->unfreeze();
+    }
+
+    /**
+     * Returns current cache limiter
+     *
+     * @return string current cache limiter
+     * @since 2.0.14
+     */
+    public function getCacheLimiter()
+    {
+        return session_cache_limiter();
+    }
 }