AC-13416:: session_set_save_handler() with more than 2 arguments deprecated in PHP 8.4

Author: cod62627

dev/tests/integration/testsuite/Magento/Framework/Session/SessionManagerTest.php

@@ -67,7 +67,17 @@ function session_set_save_handler()
             SessionManagerTest::$isSessionSetSaveHandlerInvoked = true;
             return true;
         }
-        return call_user_func_array('\session_set_save_handler', func_get_args());
+
+        $args = func_get_args();
+
+        if (count($args) === 1 && $args[0] instanceof \SessionHandlerInterface) {
+            // PHP 8.4+ single argument case
+            return \session_set_save_handler($args[0], true);
+        } elseif (count($args) === 2 && $args[0] instanceof \SessionHandlerInterface && is_bool($args[1])) {
+            // PHP 8.4+ two arguments case
+            return \session_set_save_handler($args[0], $args[1]);
+        }
+        return call_user_func_array('\session_set_save_handler', $args);
     }
 
     /**

lib/internal/Magento/Framework/Session/SessionManager.php

@@ -258,12 +258,8 @@ private function renewCookie($sid)
     protected function registerSaveHandler()
     {
         return session_set_save_handler(
-            [$this->saveHandler, 'open'],
-            [$this->saveHandler, 'close'],
-            [$this->saveHandler, 'read'],
-            [$this->saveHandler, 'write'],
-            [$this->saveHandler, 'destroy'],
-            [$this->saveHandler, 'gc']
+            $this->saveHandler,
+            true
         );
     }