php如何获取文章内容（过滤html标签）

php如何获取文章body中的内容，但需要过滤html标签。下面编程教程网小编给大家详细介绍一下具体代码！

具体代码如下：

<?php
 function curl_request ( $url , $post = '' , $cookie = '' ,  $returnCookie = 0 ) {
   $ua = $ua==''?$_SERVER ['HTTP_USER_AGENT']:'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; QQDownload 732; .NET4.0C; .NET4.0E; LBBROWSER)' ;
      $curl  =  curl_init ( ) ;
      curl_setopt ( $curl , CURLOPT_URL ,  $url ) ;
      curl_setopt ( $curl , CURLOPT_USERAGENT , $ua ) ;
      curl_setopt ( $curl , CURLOPT_FOLLOWLOCATION ,  1 ) ;
      curl_setopt ( $curl , CURLOPT_AUTOREFERER ,  1 ) ;
      curl_setopt ( $curl , CURLOPT_REFERER ,  "https://www.baidu.com" ) ;
      if ( $post )  {
        curl_setopt ( $curl , CURLOPT_POST ,  1 ) ;
        curl_setopt ( $curl , CURLOPT_POSTFIELDS ,  http_build_query ( $post ) ) ;
      }
      if ( $cookie )  {
        curl_setopt ( $curl , CURLOPT_COOKIE ,  $cookie ) ;
      }
      curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
      curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
      curl_setopt ( $curl , CURLOPT_HEADER ,  $returnCookie ) ;
      curl_setopt ( $curl , CURLOPT_TIMEOUT ,  10 ) ;
      curl_setopt ( $curl , CURLOPT_RETURNTRANSFER ,  1 ) ;
      $data  =  curl_exec ( $curl ) ;
      if  ( curl_errno ( $curl ) )  {
         return  curl_error ( $curl ) ;
      }
      curl_close ( $curl ) ;
      if ( $returnCookie ) {
         list ( $header ,  $body )  =  explode ( "\r\n\r\n" ,  $data ,  2 ) ;
         preg_match_all ( "/Set\-Cookie:([^;]*);/" ,  $header ,  $matches ) ;
         $info [ 'cookie' ]   =  substr ( $matches [ 1 ] [ 0 ] ,  1 ) ;
         $info [ 'content' ]  =  $body ;
         return  $info ;
      } else {
         //return  $data ;
         $data=mb_convert_encoding($data, 'UTF-8', 'UTF-8,GBK,GB2312,BIG5');
         preg_match("/<body.*?>(.*?)<\/body>/is",$data,$match);
         $str= trim($match[1]);
         $html = strip_tags($str);
     ​    $html_len = mb_strlen($html,'UTF-8');
 ​ ​ ​ ​ ​ ​ ​ ​ $html = mb_substr($html, 0, strlen($html), 'UTF-8');
 ​        ​$search = array(" ","　","\n","\r","\t");
         $replace = array("","","","","");
         echo str_replace($search, $replace, $html);
    }
}
curl_request ( $url, $post = '' , $cookie = '' ,  $returnCookie = 0 );
?>

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