<?php
function clearhtml($content){
$content = preg_replace("/<(?!img|br)([^>]+)*>/si", "", $content);
//$content = preg_replace("/<a[^>]*>/i", "", $content);
//$content = preg_replace("/style=.+?['|"]/i",'',$content);//去除style
//$content = preg_replace("/!important/i",'',$content);//去除important
$content = preg_replace("/(<img.+)(style=.+?['|"])/i",'$1',$content);
//去除<img>里的style
$content = preg_replace("/class=.+?['|"]/i",'',$content);//去除class
$content = preg_replace("/id=.+?['|"].+?['|"]/i",'',$content);//去除id
$content = preg_replace("/onclick=.+?["]/i",'',$content);//去除id
$content = preg_replace("/lang=.+?['|"]/i",'',$content);//去除lang
$content = preg_replace("/width=.+?['|"]/i",'',$content);//去除width
$content = preg_replace("/height=.+?['|"]/i",'',$content);//去除height
$content = preg_replace("/border=.+?['|"]/i",'',$content);//去除border
$content = preg_replace("/face=.+?['|"]/i",'',$content);//去除face
$content = preg_replace("/face=.+?['|"]/i",'',$content);//去除样式 只允许小写 正则匹配没有带 i
return $content;
}
function clearhtml2($content){
$content = preg_replace("/<(?!img|br|p|div)([^>]+)*>/si", "", $content);
//$content = preg_replace("/<a[^>]*>/i", "", $content);
//$content = preg_replace("/style=.+?['|"]/i",'',$content);//去除style
//$content = preg_replace("/!important/i",'',$content);//去除important
$content = preg_replace("/(<img.+)(style=.+?['|"])/i",'$1',$content);
//去除<img>里的style
$content = preg_replace("/class=.+?['|"]/i",'',$content);//去除class
$content = preg_replace("/id=.+?['|"].+?['|"]/i",'',$content);//去除id
$content = preg_replace("/onclick=.+?["]/i",'',$content);//去除id
$content = preg_replace("/lang=.+?['|"]/i",'',$content);//去除lang
$content = preg_replace("/width=.+?['|"]/i",'',$content);//去除width
$content = preg_replace("/height=.+?['|"]/i",'',$content);//去除height
$content = preg_replace("/border=.+?['|"]/i",'',$content);//去除border
$content = preg_replace("/face=.+?['|"]/i",'',$content);//去除face
$content = preg_replace("/face=.+?['|"]/i",'',$content);//去除样式 只允许小写 正则匹配没有带 i
return $content;
}
?>
