{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.systemjp.net%2Fentry%2F2014%2F06%2F09%2F192502\" title=\"PHP foreach\u3067\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3059\u308b - shikaku&#39;s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"blog_title":"shikaku's blog","author_url":"https://blog.hatena.ne.jp/shikaku/","title":"PHP foreach\u3067\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3059\u308b","height":"190","author_name":"shikaku","provider_url":"https://hatena.blog","url":"https://blog.systemjp.net/entry/2014/06/09/192502","description":"<?php $arr = array(1, 2, 3, 4); foreach ($arr as &$value) { $value = $value * 2; } // $arr \u306f array(2, 4, 6, 8) \u3068\u306a\u308a\u307e\u3059 unset($value); // \u6700\u5f8c\u306e\u8981\u7d20\u3078\u306e\u53c2\u7167\u3092\u89e3\u9664\u3057\u307e\u3059 ?>\u30cd\u30bf\u5143 http://www.php.net//manual/ja/control-structures.foreach.php","provider_name":"Hatena Blog","categories":["PHP"],"published":"2014-06-09 19:25:02","blog_url":"https://blog.systemjp.net/","type":"rich","width":"100%","version":"1.0"}