--TEST--
SplFileInfo::setFileClass() expects SplFileObject or child class
--FILE--
<?php

class MyFileObject extends SplFileObject {}

$info = new SplFileInfo(__FILE__);

$info->setFileClass('MyFileObject');
echo get_class($info->openFile()), "\n";

$info->setFileClass('SplFileObject');
echo get_class($info->openFile()), "\n";

?>
--EXPECT--
MyFileObject
SplFileObject