<?php
/**
 * 一段用来测试语法高亮的 PHP 代码
 */
namespace Shizuku\Pan;

class Hello
{
    const VERSION = '1.0.0';
    private $name = '小雫';

    public function greet(string $who = '老婆'): string
    {
        $msg = "你好，{$who}！我是 {$this->name} 喵~";
        // 单行注释
        /* 块注释
           spanning lines */
        return $msg . ' v' . self::VERSION;
    }
}

$h = new Hello();
echo $h->greet();