shigemk2 https://blog.hatena.ne.jp/shigemk2/ by shigemk2 https://www.shigemk2.com/ PHP そもそもrtrimとは文字列の末尾から空白文字を取り除くやつですが、 これって配列を回しても使えるのだろうか。 <?php $str[] = "文字列,"; $str[] = "文字列,"; $str[] = "文字列,"; foreach($str as $st) { echo rtrim($st, ','); // 末尾のコンマを除いた文字を出力 } ?> 文字列文字列文字列 Yes, you could. 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2F20120624%2F1340532355" title="配列を回してrtrimを使う - 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> Hatena Blog https://hatena.blog 2012-06-24 19:05:55 rich https://www.shigemk2.com/entry/20120624/1340532355 1.0 100%