--TEST-- ReflectionClass::getConstant --SKIPIF-- <?php extension_loaded('reflection') or die('skip'); ?> --FILE-- <?php class Foo { const c1 = 1; } $class = new ReflectionClass("Foo"); var_dump($class->getConstant("c1")); var_dump($class->getConstant("c2")); ?> --EXPECT-- int(1) bool(false)