php 去除html标签 js 和 css样式方法

function clearHtml($content){<br /> $content=preg_replace("/<a[^>]*>/i","",$content);<br /> $content=preg_replace("/</a>/i","",$content);<br /> $content=preg_replace("/<div[^>]*>/i","",$content);<br /> $content=preg_replace("/</div>/i","",$content);<br /> $content=preg_replace("/<!--[^>]*-->/i","",$content);//注释内容 <br /> $content=preg_replace("/style=.+?['|"]/i",'',$content);//去除样式 <br /> $content=preg_replace("/class=.+?['|"]/i",'',$content);//去除样式 <br /> $content=preg_replace("/id=.+?['|"]/i",'',$content);//去除样式 <br /> $content=preg_replace("/lang=.+?['|"]/i",'',$content);//去除样式 <br /> $content=preg_replace("/width=.+?['|"]/i",'',$content);//去除样式 <br /> $content=preg_replace("/height=.+?['|"]/i",'',$content);//去除样式 <br /> $content=preg_replace("/border=.+?['|"]/i",'',$content);//去除样式 <br /> $content=preg_replace("/face=.+?['|"]/i",'',$content);//去除样式 <br /> $content=preg_replace("/face=.+?['|"]/",'',$content);//去除样式 只允许小写 正则匹配没有带 i 参数 <br /> return $content;<br />}