php抓取网页body内容，并过滤网页标签

  php只抓取网页文字内容，并过滤其标签，说干就干，开始！

  

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<?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 ); ?>

　　演示地址：http://www.myjiancai.net/so/?a=url&u=aHR0cDovL3d3dy5iYWlkdS5jb20vbGluaz91cmw9cVktZmFNMG4wS1lzRVdoNDJCZlVPZUVsbnpPcTEzN3ZhZGRvSDN1RUswcUZtLS1jenZxNy1wVjM1aWJzczRFa3R6ejVWd0toWllRMVJvLTU1UU01Zl8=&t=5paw5L2Z5pa55p!x5omjLeW7uuetkeeZvuenkS3mlK@mqKHnvZE=&s=5paw5L2Z5pa55p!x5omj