Online PHP editor | refs for XRr5t

<?php # base class class Test_TestClassBase { public $x = 4; public function __wakeup() { var_dump("__wakeup"); } public function __sleep() { var_dump("__sleep"); return array_keys(get_object_vars($this)); } public function unserialize($input) { var_dump("unserialize"); } public function serialize() { var_dump("serialize"); return serialize(get_object_vars($this)); } } # derived classes class Test_TestClassA extends Test_TestClassBase {} class Test_TestClassB extends Test_TestClassBase implements Serializable {} class Test_TestClassAA extends Test_TestClassA implements Serializable {} class Test_TestClassBB extends Test_TestClassB {} # run our serialisation foreach(array("Test_TestClassA", "Test_TestClassB", "Test_TestClassAA", "Test_TestClassBB") as $class) { $serialised = 'O:'.strlen($class).':"'.$class.'":1:{s:1:"x";i:4;}'; var_dump("(input) ".$serialised); var_dump("(output) ".(unserialize($serialised) instanceof $class ? "true (passing)" : "false (failing)")); }