实验环境:https://onlinephp.io/Polyfill https://github.com/symfony/polyfill/tree/main/srcPHP8.0 to PHP8.1https://www.php.net/manual/en/migration81.phpNew Features 8.1// 八进制var_dump(0o14);// int(12)// 可解包字符串为 key 的数组$arr1 = [1, 'a' => 'b'];var_dump([...$arr1, 'c' => 'd']);// function foo($a, $b, $c) { var_dump($a, $b, $c);}foo(...[1,2], c: 3);– EOF –