1--TEST--
2ReflectionObject::isSubclassOf() - invalid params
3--FILE--
4<?php
5class A {}
6$ro = new ReflectionObject(new A);
7
8var_dump($ro->isSubclassOf());
9var_dump($ro->isSubclassOf('A',5));
10var_dump($ro->isSubclassOf('X'));
11
12?>
13--EXPECTF--
14Warning: ReflectionClass::isSubclassOf() expects exactly 1 parameter, 0 given in %s on line 5
15NULL
16
17Warning: ReflectionClass::isSubclassOf() expects exactly 1 parameter, 2 given in %s on line 6
18NULL
19
20Fatal error: Uncaught exception 'ReflectionException' with message 'Class X does not exist' in %s:7
21Stack trace:
22#0 %s(7): ReflectionClass->isSubclassOf('X')
23#1 {main}
24  thrown in %s on line 7
25