rsky https://blog.hatena.ne.jp/rsky/ 讃容日記 https://blog.r-sky.jp/ PHP % php -r '$nums = array(2147483647, 2147483648, 2147483649, -2147483647, -2147483648, -2147483649); var_dump($nums, array_map("intval", $nums));' array(6) { [0]=>int(2147483647) [1]=>float(2147483648) [2]=>float(2147483649) [3]=>int(-2147483647) [4]=>float(-2147483648) [5]=>float(-2147483649) } arra… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.r-sky.jp%2Fentry%2F20060226%2Fp2" title=" 2^32 前後の数値について - 讃容日記" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2006-02-26 00:00:01 rich https://blog.r-sky.jp/entry/20060226/p2 1.0 100%