php - 同时初始化多个 PHP 变量

Question

如何在不使用数组的情况下同时用零值初始化多个 PHP 变量？？我希望编写的代码本质上等同于以下内容:

$first = 0;
$second = 0;
$third = 0;
$fourth = 0;

Answer 1

$first = $second = $third = $fourth = 0;