{"type":"rich","categories":["php"],"width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmethane.hatenablog.jp%2Fentry%2F20090318%2F1237394148\" title=\" \u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u306e\u901f\u5ea6 - methane\u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/methane/","blog_title":"methane\u306e\u30d6\u30ed\u30b0","author_name":"methane","version":"1.0","published":"2009-03-18 01:35:48","description":"$ cat test.php <?php for ($j = 0; $j < 100; $j++) { $a = array(); for ($i = 0; $i < 300000; $i++) { $a[] = $i + $j; } } ?> $ time php test.php real 0m15.714s user 0m15.073s sys 0m0.588s $ vim test.php $ cat test.php <?php for ($j = 0; $j < 100; ++$j) { $a = array(); for ($i = 0; $i < 300000; ++$i) {\u2026","url":"https://methane.hatenablog.jp/entry/20090318/1237394148","blog_url":"https://methane.hatenablog.jp/","provider_url":"https://hatena.blog","title":" \u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u306e\u901f\u5ea6","height":"190","image_url":null,"provider_name":"Hatena Blog"}