php正则去除文章页标签范例

来源：互联网发布：linux exec用法编辑：程序博客网时间：2024/05/19 14:18
 //匹配去掉h5标签   private function pregH5($info){        //先去掉<p>&nbsp;</p>  Dxt489        $info = str_replace("<p>&nbsp;</p>","",$info);        //找到class为.Dxt489{display:none}的位置        $pos = strpos($info,"{ display:none;");        if($pos>0){            $checkString = substr($info,$pos-7,"6");//获取class值            //去掉 class为 Dxt489的值            $info = preg_replace('/<div class=\"'.$checkString.'\".*?>.*?<\/div>/ism','',$info);            $info = preg_replace('/<p class=\"'.$checkString.'\".*?>.*?<\/p>/ism','',$info);            //去掉style            $info = preg_replace('/<p><style type=\"text\/css\".*?>.*?<\/style><\/p>/ism','',$info);        }        //去掉空格        $info = str_replace("&nbsp;"," ",$info);        $info = str_replace("&quot;",'"',$info);        $info = str_replace("&ldquo;",'"',$info);        $info = str_replace("&rdquo;",'"',$info);        $info = str_replace("&hellip;",'...',$info);        $info = str_replace("&lt;",'(',$info);        $info = str_replace("&gt;",')',$info);        $info = str_replace("下一篇：",'',$info);        $info = str_replace("相关阅读：",'',$info);        $info = str_replace("推荐阅读：",'',$info);        $info = str_replace("来源：",'',$info);        $info = preg_replace("/<p(.*?)>/","",$info);        //去掉a标签        $info = preg_replace("/<a(.*?)>.*?<\/a>/","",$info);        // $info = preg_replace("/\s/","",$info);        // $info = str_replace(" ","",$info);//去空白        $info = str_replace("\r\n","",$info);//去换行        $info = str_replace("\n","",$info);//去换行        $info = str_replace("<br />","\n",$info);        $info = explode("</p>",$info);        $new = array();        foreach ($info as $key => $value) {            $value = preg_replace('/<[^>]*>/','',$value);            $value = str_replace('由提供','',$value);            if($value){                $new[$key] = $value;            }        }        //去掉p标签        // $info = preg_replace('/<[^>]*>/','\n',$info);        //去掉空白等换行符        /*$info = preg_replace("/\s/","",$info);        $info = str_replace("\r\n","",$info);        $info = str_replace("\n","",$info);*/        return $new;   }
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