不知道如何解释.我们来举个例子吧.说我想分开这句话
“今天是个好日子.”
成
today today is today is a today is a great today is a great day is is a is a great is a great day a a great a great day great great day day
这个想法是在一个句子中得到所有顺序组合.
这是一个例子:
$sentence = 'Today is a great day.'; // Only leave "word" characters and whitespace $sentence = preg_replace('/[^\w\s]+/','',strtolower($sentence)); // Tokenize $tokens = explode(' ',$sentence); for($i = 0; $i < count($tokens); $i++) { for($j = 1; $j <= count($tokens) - $i; $j++) { echo implode(' ',array_slice($tokens,$i,$j)) . "<br />"; } }
输出:
today today is today is a today is a great today is a great day is is a is a great is a great day a a great a great day great great day day
原文地址:https://www.jb51.cc/php/130420.html
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 dio@foxmail.com 举报,一经查实,本站将立刻删除。