{"blog_url":"https://www.shigemk2.com/","author_name":"shigemk2","provider_url":"https://hatena.blog","image_url":null,"width":"100%","provider_name":"Hatena Blog","categories":["PHP"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2F2020%2F05%2F27%2F194955\" title=\"PHP \u578b\u5ba3\u8a00 - by shigemk2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"by shigemk2","published":"2020-05-27 19:49:55","url":"https://www.shigemk2.com/entry/2020/05/27/194955","height":"190","type":"rich","version":"1.0","description":"\u306f\u3066\u306a\u3092\u3064\u3051\u305f\u3089nullable \u623b\u308a\u5024NULL\u306a\u3089\u5ba3\u8a00\u3057\u306a\u304f\u3066\u3044\u3044 <?php function testReturn(): ?string { return 'elePHPant'; } var_dump(testReturn()); function testReturn(): ?string { return null; } var_dump(testReturn()); function test(?string $name) { var_dump($name); } test('elePHPant'); test(null); test(); https://www.php.net\u2026","title":"PHP \u578b\u5ba3\u8a00","author_url":"https://blog.hatena.ne.jp/shigemk2/"}