{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.katsubemakito.net%2Fdokuwiki%2Fperl%2Fhash_existskey\" title=\"\u30cf\u30c3\u30b7\u30e5\u306b\u30ad\u30fc\u304c\u5b58\u5728\u3059\u308b\u304b\u8abf\u3079\u308b - Perl - \u306d\u3053\u306e\u8db3\u8de1R\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","author_name":"katsube","description":"\u300cPerl\u5927\u6280\u6797\u300d\u4e00\u89a7\u306b\u623b\u308b \u30cf\u30c3\u30b7\u30e5\u306b\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u304c\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b\u8abf\u3079\u305f\u3044\u3002exists\u95a2\u6570\u3092\u7528\u3044\u308c\u3070\u826f\u3044\u3002 exists\u95a2\u6570\u306f\u3001\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u304c\u5b58\u5728\u3059\u308c\u3070\u771f(true)\u3092\u3001\u5b58\u5728\u3057\u306a\u3051\u308c\u3070\u507d(false)\u3092\u8fd4\u3059\u3002","blog_title":"\u306d\u3053\u306e\u8db3\u8de1R","published":"2007-03-06 00:00:00","title":"\u30cf\u30c3\u30b7\u30e5\u306b\u30ad\u30fc\u304c\u5b58\u5728\u3059\u308b\u304b\u8abf\u3079\u308b - Perl","blog_url":"https://blog.katsubemakito.net/","version":"1.0","url":"https://blog.katsubemakito.net/dokuwiki/perl/hash_existskey","type":"rich","author_url":"https://blog.hatena.ne.jp/katsube/","height":"190","categories":["CGI\u30fbPerl\u4f8b\u6587\u96c6","Perl","\u9023\u60f3\u914d\u5217","\u30cf\u30c3\u30b7\u30e5","\u3068\u3042\u308b\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u95c7\u6b74\u53f2\u5e33"],"provider_name":"Hatena Blog","image_url":null,"width":"100%"}