PHP中有什么方法可以从HTML字串中抽取前N个文字？
有些程序中经常会需要在列表中显示文章内容的前N个文字，就像这里一样，PHP中有什么方法吗？
我们封装了一个方法：http://www.ithr.org.cn/blogs/blog1.ph...
回复内容：
有些程序中经常会需要在列表中显示文章内容的前N个文字，就像这里一样，PHP中有什么方法吗？
我们封装了一个方法：http://www.ithr.org.cn/blogs/blog1.ph...
先用 strip_tags 函数滤一遍，然后 substr 函数就行。
如果涉及到中文或其他字符集，你可能会想用 mb_substr 或者 iconv_substr。
详见php.net的文档。
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