Online PHP editor | refs for TMDfr

<?php function ClassTypeCast(&$obj,$class_type){ if(class_exists($class_type,true)) { $obj = unserialize(preg_replace("/^O:[0-9]+:\"[^\"]+\":/i", "O:".strlen($class_type).":\"".$class_type."\":", serialize($obj))); } } class MyClass { private $foo = null; function setString($str) { $this->foo = $str; } function awful() { return "This is awful!"; } } class MyClass2 { private $foo2 = null; function setString2($str) { $this->foo2 = $str; } function awful() { return "This is awesome!" . PHP_EOL; } } $my1 = new MyClass(); $my1->setString("kill me now"); ClassTypeCast($my1, "MyClass2"); echo $my1->awful() . PHP_EOL; var_dump($my1);