{"categories":["PHP"],"provider_name":"Hatena Blog","title":"PHP \u578b\u30c1\u30a7\u30c3\u30af\u3092\u53b3\u5bc6\u306b\u3057\u305f\u3044","blog_url":"https://chaika.hatenablog.com/","url":"https://chaika.hatenablog.com/entry/2022/11/21/123048","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fchaika.hatenablog.com%2Fentry%2F2022%2F11%2F21%2F123048\" title=\"PHP \u578b\u30c1\u30a7\u30c3\u30af\u3092\u53b3\u5bc6\u306b\u3057\u305f\u3044 - \u304b\u3082\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","author_url":"https://blog.hatena.ne.jp/kikiki-kiki/","blog_title":"\u304b\u3082\u30e1\u30e2","image_url":"https://m.media-amazon.com/images/I/61ayw-KhOJL._SL500_.jpg","height":"190","provider_url":"https://hatena.blog","description":"\u524d\u56de PHP \u306e\u578b\u5ba3\u8a00\u304c\u6697\u9ed9\u306e\u578b\u5909\u63db\u3092\u3057\u3066\u3057\u307e\u3063\u3066\u305d\u3093\u306a\u3082\u306e\u304b\u30fc\u3068\u601d\u3063\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001\u53b3\u5bc6\u306b\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u6709\u308b\u3053\u3068\u3092\u6559\u3048\u3066\u3082\u3089\u3063\u305f\u306e\u3067\u8a18\u9332\u306b\u6b8b\u3057\u3066\u304a\u304d\u307e\u3059\u3002 \u74b0\u5883 PHP v.8.1.2 (onlinephp.io \u3067\u5b9f\u884c) declare(strict_types=1); \u5ba3\u8a00\u3092\u884c\u3046\u3068\u53b3\u5bc6\u306a\u65b9\u30c1\u30a7\u30c3\u30af\u304c\u3067\u304d\u308b declare(strict_types=1); \u5ba3\u8a00\u306a\u3057 (default) <?php function myFunc(int $x = null): void { $foo = $x ?? 'default'; var_export($foo); } myFunc(10); /\u2026","published":"2022-11-21 12:30:48","author_name":"kikiki-kiki","version":"1.0","type":"rich"}