Online PHP editor | refs for WaqF5

<?php $data = new stdClass; $data->{"12"} = 37; $data = (array) $data; var_dump( $data ); echo $data[12]; echo $data['12']; $i = array_key_exists(12, $data); $s = array_key_exists('12', $data); var_dump($i, $s); foreach ($data as $key => $value) { echo $key; echo gettype($key); }