Online PHP editor | refs for df1nW

<?php $a = [ 'test' => 1 ]; $b = serialize($a); var_dump(unserialize($b)); echo" "; echo" "; var_dump("---------------"); echo" "; echo" "; var_dump(unserialize($b, ['allowed_classes'=>['stdClass']])); echo" "; echo" "; var_dump("---------------"); var_dump(count(unserialize($b, ['allowed_classes'=>false]))); echo" "; echo" "; var_dump("---------------"); var_dump(unserialize($b, false)); echo" "; echo" "; var_dump("---------------"); var_dump(unserialize($b, ['allowed_classes'=>true])); echo" "; echo" "; var_dump("---------------"); var_dump(unserialize($b, [false]));