Avoid to expire the cache of all instances: the expiry values are sto…

…red in each var dir rather than globally.

Useful in multisite-multidb installations.
See ezsystems/ezpublish-legacy#1240

kernel/classes/ezsiteaccess.php

@@ -542,6 +542,14 @@ static function change( array $access, eZINI $siteINI = null )
             eZDebugSetting::writeDebug( 'kernel-siteaccess', "Updated settings to use siteaccess '$name'", __METHOD__ );
         }
 
+        $ini = eZINI::instance();
+        if ( $ini->hasVariable( 'ExpiryHandler', 'ExpiryFilePerSiteAccess' )
+             && $ini->variable( 'ExpiryHandler', 'ExpiryFilePerSiteAccess' ) == 'enabled' )
+        {
+            eZExpiryHandler::refresh();
+        }
+
+
         return $access;
     }
 

lib/ezutils/classes/ezexpiryhandler.php

@@ -188,6 +188,15 @@ public static function registerShutdownFunction(){
         eZDebug::writeStrict( __METHOD__ . " is deprecated. See EZP-22749.", __METHOD__ . " is deprecated" );
     }
 
+    static function refresh(): void
+    {
+        if ( isset( $GLOBALS['eZExpiryHandlerInstance'] ) )
+        {
+            unset( $GLOBALS['eZExpiryHandlerInstance'] );
+        }
+    }
+
+
     /**
      * Holds the expiry timestamps array
      * @var array

settings/site.ini

@@ -1575,3 +1575,6 @@ Password=
 [LinkCheck]
 # Used by the linkcheck cronjob, ConnectTimeout specifies the limit (in seconds) to wait for a valid connection.
 ConnectTimeout=3
+
+[ExpiryHandler]
+ExpiryFilePerSiteAccess=disabled