{"provider_url":"https://hatena.blog","url":"https://takuan.hateblo.jp/entry/20130413/p2","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakuan.hateblo.jp%2Fentry%2F20130413%2Fp2\" title=\"\u305d\u308c\u52d5\u304f\u306e\u304b\u2026 - \u3076\u308d\u3050\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2013-04-13 00:00:01","author_url":"https://blog.hatena.ne.jp/ariteku/","height":"190","blog_url":"https://takuan.hateblo.jp/","categories":["PHP"],"width":"100%","author_name":"ariteku","title":"\u305d\u308c\u52d5\u304f\u306e\u304b\u2026","version":"1.0","description":"\u3044\u3063\u305d\u306e\u4e8b\u30a8\u30e9\u30fc\u306b\u3057\u3066\u6b32\u3057\u304b\u3063\u305f\u3002 <?php // hoge.php echo key; takuan@www /tmp % php hoge.php PHP Notice: Use of undefined constant key - assumed 'key' in /tmp/hoge.php on line 2 key \u2191 key\u3068\u3044\u3046\u6587\u5b57\u5217\u3068\u3044\u3046\u3053\u3068\u306b\u3057\u3066\u51e6\u7406\u3057\u3066\u308b <?php // hoge2.php $array = array(); $array[\"key1\"] = \"value1\"; $value = $array[key1]; // \u2193\u672c\u5f53\u306f\u3053\u3046\u66f8\u304d\u305f\u304b\u3063\u305f // $va\u2026","provider_name":"Hatena Blog","image_url":null,"blog_title":"\u3076\u308d\u3050"}