3v4l.org

run code in 300+ PHP versions simultaneously
<?php $baz = new StdClass; $baz->{"1"} = true; $baz->{"2"} = true; var_export((array)$baz); echo "\n"; var_export(key_exists((string)'1', $baz)); echo "\n"; $foo = (array)$baz; echo $foo["1"];

preferences:
39.19 ms | 405 KiB | 5 Q