{"provider_name":"Hatena Blog","categories":["PHP"],"image_url":null,"height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkkkw.hatenablog.jp%2Fentry%2F20120502%2F1335963987\" title=\"\u914d\u5217\u306e\u30ad\u30fc\u3067filter - kikukawa&#39;s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u914d\u5217\u306e\u30ad\u30fc\u3067filter","description":"\u601d\u3044\u3064\u3044\u305f\u306e\u3067\u30e1\u30e2\u66f8\u304d \u30c8\u30ea\u30c3\u30ad\u30fc\u904e\u304e\u3066\u73fe\u5834\u3067\u306f\u4f7f\u3048\u306a\u3044\u3002 <?php function is_even($var){ return(!($var & 1)); } function array_filter_keys($var,$callback){ $var = array_flip($var); $var = array_filter($var,$callback); return array_flip($var); } $arr = array( 1=>'aaa', 2=>'bbb', 3=>'ccc', 4=>'ddd', 5=>'eee', ); var_export(array_\u2026","url":"https://kkkw.hatenablog.jp/entry/20120502/1335963987","author_url":"https://blog.hatena.ne.jp/devillikeaangel/","type":"rich","blog_url":"https://kkkw.hatenablog.jp/","width":"100%","author_name":"devillikeaangel","provider_url":"https://hatena.blog","version":"1.0","published":"2012-05-02 22:06:27","blog_title":"kikukawa's diary"}