- spl_autoload_register: documentation ( source)
- class_exists: documentation ( source)
- unserialize: documentation ( source)
<?php
spl_autoload_register('loader');
function loader($className)
{
echo "loading $className\n";
if ($className == 'Wakeup')
eval('class Wakeup {public $b; public $e; function __construct(){$this->b = new B; $this->e = new E;} function __wakeup(){echo "var_dump()\n";var_dump(true);;echo "var_dumped()\n";}}');
else if ($className == 'B')
eval('class B { function __wakeup(){echo "B::__wakeup\n"; }}');
else if ($className == 'D')
eval('class D { function __wakeup(){echo "D::__wakeup\n";}}');
else if ($className == 'E')
eval('class E extends D { function __wakeup(){echo "E::__wakeup\n"; throw new ReactException;}}');
else if ($className == 'ReactException')
eval('class ReactException extends Exception{}');
echo "loaded $className: " . class_exists($className, false) . "\n";
return true;
}
try
{
unserialize('O:6:"Wakeup":2:{s:1:"b";O:1:"B":0:{}s:1:"e";O:1:"E":0:{}}');
}
catch (Exception $e)
{
echo $e;
exit('success');
}
echo 'fail';