--TEST-- PHPC-1053: MongoDB\BSON\UTCDateTime's constructor has argument defined as required --FILE-- <?php $reflection = new ReflectionMethod(MongoDB\BSON\UTCDateTime::class, '__construct'); var_dump($reflection->getParameters()[0]->isOptional()); ?> ===DONE=== <?php exit(0); ?> --EXPECT-- bool(true) ===DONE===