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经测试代码如下:
/**
* 从可能包含html标记的内容中萃取纯文本摘要
*
* @param string $data
* @param int $len
* @author 脚本之家 jb51.cc jb51.cc
*/
function extractHtmlData($data,$len) {
$data = strip_tags(subString($data,$len + 30));
$search = array("/([rn])[s]+/",// 去掉空白字符
"/&(quot|#34);/i",// 替换 HTML 实体
"/&(amp|#38);/i","/&(lt|#60);/i","/&(gt|#62);/i","/&(nbsp|#160);/i","/&(iexcl|#161);/i","/&(cent|#162);/i","/&(pound|#163);/i","/&(copy|#169);/i","/"/i",);
$replace = array(" ",""","&"," ","",chr(161),chr(162),chr(163),chr(169),"");
$data = trim(subString(preg_replace($search,$replace,$data),$len));
return $data;
}
/*** 来自脚本之家 jb51.cc(jb51.cc) ***/ (编辑:安卓应用网)
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