{"provider_name":"Hatena Blog","categories":["PHP","\u96d1\u8a18"],"image_url":null,"width":"100%","provider_url":"https://hatena.blog","description":"via. http://www.otton.org/2008/08/21/stupid-php-tricks-illegal-variable-names/\u5f79\u306b\u7acb\u305f\u306a\u3044tips\u30b7\u30ea\u30fc\u30ba\uff57\uff57 \u5909\u6570\u540d\u306f\u3001 [a-zA-Z_\\x7f-\\xff][a-zA-Z0-9_\\x7f-\\xff]*\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u5909\u6570\u540d\u306b\u4f7f\u3048\u306a\u3044\u6587\u5b57\u3092\u7121\u7406\u77e2\u7406\u4f7f\u3046\u65b9\u6cd5\u3002 <?php $var = '1'; $$var = 'hello world'; var_dump($$var); ${'1'} = 'hello world'; var_dump(${'1'}); var_dump(compact( '1' )); \u2026","published":"2008-08-23 15:30:29","type":"rich","author_url":"https://blog.hatena.ne.jp/shimooka/","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshimooka.hateblo.jp%2Fentry%2F20080823%2F1219473029\" title=\"\u5909\u6570\u540d\u306e\u5148\u982d\u306b\u6570\u5b57\u3092\u4f7f\u3046 - Do You PHP \u306f\u3066\u30d6\u30ed\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://shimooka.hateblo.jp/","author_name":"shimooka","height":"190","blog_title":"Do You PHP \u306f\u3066\u30d6\u30ed","title":"\u5909\u6570\u540d\u306e\u5148\u982d\u306b\u6570\u5b57\u3092\u4f7f\u3046","url":"https://shimooka.hateblo.jp/entry/20080823/1219473029"}