本文介绍了php 清空字符串中的html标签
要过滤字符串中所有的html标签有两种方法一种是我们自己写一个函数，用正则过滤，一个是用php自带函数strip_tags哦。
function clear_html_label($html)
{
$search = array ("'
]*?>.*?'si", "'<[/!]*?[^<>]*?>'si", "'([rn])[s] '", "'&(quot|#34);'i", "'&(amp|#38);'i", "'&(lt|#60);'i", "'&(gt|#62);'i", "'&(nbsp|#160);'i", "'&(iexcl|#161);'i", "'&(cent|#162);'i", "'&(pound|#163);'i", "'&(copy|#169);'i", "'(d );'e");
$replace = array ("", "", "1", """, "&", "<", ">", " ", chr(161), chr(162), chr(163), chr(169), "chr(1)");
return preg_replace($search, $replace, $html);
}
//实例应用
$string ='aaa
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