Online PHP editor | refs for fjfml

<?php declare(strict_types = 1); /** * @param array{a?:array{b:bool}} $options */ function f(array $options): bool { if (isset($options['a']['b'])) { return true; } return false; } /** * @param array{a?:array{b:bool}} $options */ function g(array $options): bool { if (isset($options['a'], $options['a']['b'])) { return true; } return false; } var_dump(f([]));