php的字符串用法小结
更新时间：2010年06月08日 00:09:38 作者：
php的字符串用法小结，刚开始接触php字符串的朋友可以参考下。
1 求长度，最基本的
$text = "sunny day";
$count = strlen($text); // $count = 9
2 字符串截取
截取前多少个字符
$article = "BREAKING NEWS: In ultimate irony, man bites dog."; $summary = substr_replace($article, "...", 40);
3 算单词数
$article = "BREAKING NEWS: In ultimate irony, man bites dog."; $wordCount = str_word_count($article);
// $wordCount = 8
4 将字符串变成HTML的连接
$url = "W.J. Gilmore, LLC (https://www.jb51.net)";
$url = preg_replace("/http://([A-z0-9./-]+)/", "$0", $url);
5 去除字符中的HTML字符串
$text = strip_tags($input, "
");
6 nl2br:
$comment = nl2br($comment);
变成带HTML格式
7 Wordwrap
限制每行字数
$speech = "Four score and seven years ago our fathers brought forth, upon this continent, a new nation, conceived in Liberty, and dedicated to the proposition that all men are created equal.";
echo wordwrap($speech, 30);
输出：
Four score and seven years ago our fathers brought forth, upon this continent, a new nation, conceived in Liberty, and dedicated to the proposition that all men are created equal.
$text = "sunny day";
$count = strlen($text); // $count = 9
2 字符串截取
截取前多少个字符
$article = "BREAKING NEWS: In ultimate irony, man bites dog."; $summary = substr_replace($article, "...", 40);
3 算单词数
$article = "BREAKING NEWS: In ultimate irony, man bites dog."; $wordCount = str_word_count($article);
// $wordCount = 8
4 将字符串变成HTML的连接
$url = "W.J. Gilmore, LLC (https://www.jb51.net)";
$url = preg_replace("/http://([A-z0-9./-]+)/", "$0", $url);
5 去除字符中的HTML字符串
$text = strip_tags($input, "
");
6 nl2br:
$comment = nl2br($comment);
变成带HTML格式
7 Wordwrap
限制每行字数
$speech = "Four score and seven years ago our fathers brought forth, upon this continent, a new nation, conceived in Liberty, and dedicated to the proposition that all men are created equal.";
echo wordwrap($speech, 30);
输出：
Four score and seven years ago our fathers brought forth, upon this continent, a new nation, conceived in Liberty, and dedicated to the proposition that all men are created equal.
相关文章
yii框架中的Url生产问题小结，需要的朋友可以参考下。2012-01-01
这篇文章主要介绍了php使用post数组的键值创建同名变量并赋值的方法,涉及php操作数组的技巧,非常具有实用价值,需要的朋友可以参考下2015-04-04
本文提供一种解决php和javascript之间变量的传递的方法，需要的朋友可以参考下2012-12-12
这篇文章主要介绍了PHP sleep()函数, usleep()函数,需要的朋友可以参考下2016-08-08
这篇文章主要介绍了两种设置php页面编码的方法，并附有示例，大家可以练习下2014-03-03
这篇文章主要介绍了php使用MySQL保存session会话的方法,涉及php操作session及数据库的相关技巧,需要的朋友可以参考下2015-06-06
用php实现的流量统计功能代码，本代码仅供学习交流，其中必有不妥之处。请见谅2012-09-09
查询当前连接的MYSQL数据库的版本，可以用下面SQL语句来实现2008-03-03
这篇文章主要介绍了PHP实现多文件上传的方法,可实现文件批量上传、设置文件后缀名、修改文件名等功能,非常具有实用价值,需要的朋友可以参考下2015-07-07
教大家制作简单的php日历，一个专属于自己的php日历，喜欢的朋友不要错过，动手制作自己的日历。2015-11-11
最新评论