{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2F2020%2F03%2F24%2F193515\" title=\"str\u306e\u30e1\u30e2 - 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>","provider_name":"Hatena Blog","blog_title":"by shigemk2","description":"PHP 7.4.3 <?php $str = \"a b\"; echo strlen($str) . \"\\n\"; // 3 echo str_word_count($str) . \"\\n\"; // 2 echo mb_strlen($str) . \"\\n\"; // 3 $str = \"\u3042 \u3044\"; echo strlen($str) . \"\\n\"; // 7 echo str_word_count($str) . \"\\n\"; // 2 echo mb_strlen($str); // 3","type":"rich","provider_url":"https://hatena.blog","published":"2020-03-24 19:35:15","blog_url":"https://www.shigemk2.com/","height":"190","width":"100%","categories":["PHP"],"author_url":"https://blog.hatena.ne.jp/shigemk2/","author_name":"shigemk2","url":"https://www.shigemk2.com/entry/2020/03/24/193515","version":"1.0","title":"str\u306e\u30e1\u30e2","image_url":null}