php获取网页标题和内容函数(不包含html标签)

复制代码 代码如下:
function getPageContent($url) {           //$url="http://www.ttphp.com;           $pageinfo = array();  
        $pageinfo[content_type] = "";  
        $pageinfo[charset] = "";  
        $pageinfo[title] = "";  
        $pageinfo[description] = "";  
        $pageinfo[keywords] = "";  
        $pageinfo[body] = "";  
        $pageinfo["httpcode"] = 200;  
        $pageinfo["all"] = "";            $ch = curl_init();  
        curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)");  
        curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);  
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);  
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER,0);  
        curl_setopt($ch, CURLOPT_TIMEOUT, 8);  
        curl_setopt($ch, CURLOPT_FILETIME, 1);  
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);  
        //curl_setopt($ch, CURLOPT_HEADER, 1);        
        curl_setopt($ch, CURLOPT_URL,$url);           $curl_start = microtime(true);  
        $store = curl_exec ($ch);           $curl_time = microtime(true) - $curl_start;  
        if( curl_error($ch) ) {  
            $pageinfo["httpcode"] = 505;  //gate way error  
            echo "Curl error: " . curl_error($ch) ."/n";  
            return $pageinfo;  
        }           //print_r(curl_getinfo($ch));  
        $pageinfo["httpcode"] = curl_getinfo($ch,CURLINFO_HTTP_CODE);  
        //echo curl_getinfo($ch,CURLINFO_CONTENT_TYPE)."/n";  
        $pageinfo[content_type] = curl_getinfo($ch,CURLINFO_CONTENT_TYPE);  
        if(intval($pageinfo["httpcode"]) <> 200 or !preg_match("@text/html@",curl_getinfo($ch,CURLINFO_CONTENT_TYPE) )   ) {  
                //print_r(curl_getinfo($ch) );  
                //exit;  
                return $pageinfo;  
        }  
        preg_match("/charset=([^/s/n/r]+)/i",curl_getinfo($ch,CURLINFO_CONTENT_TYPE),$matches); //从header 里取charset  
        if( trim($matches[1]) ) {  
            $pageinfo[charset] = trim($matches[1]);  
        }  
        //echo $pageinfo[charset];  
        //exit;  
        curl_close ($ch);  
        //echo $store;    
        //remove javascript  
        $store = preg_replace("/<mce:script.*><!--
(.*)<//script>/smUi","",$store);  
        //remove link   
        $store = preg_replace("/<link/s+[^>]+>/smUi","",$store);  
        //remove <!--  -->  
        $store = preg_replace("/<!--.*-->/smUi","",$store);  
        //remove <style  </<style>  
        $store = preg_replace("/<style.*>(.*)<//style>/smUi","",$store);  
        //remove 中文空格  
        $store = preg_replace("/　/","",$store);  
        //remove 标点符号  
        //$store = preg_replace("/[/~`!@#$%^&*()_/-+={}|/[/]//;":"/</>/?/,/.//]/","",$store);             
        //preg_match("/<head.*>(.*)<//head>/smUi",$store, $matches);  
        //$head = $matches[1];  
        //echo $head. "/n";           //charset  
        if($pageinfo[charset] == "" ) { 
            preg_match("@<meta.+charset=([/w/-]+)[^>]*>@i",$store,$matches); 
            $pageinfo[charset] = trim($matches[1]); 
        } 
        //desctiption 
        preg_match("@<meta/s+name=/"*description/"*/s+content/s*=/s*([^/>]+)/*>@i",$store,$matches); 
        //print_r($matches); 
        $desc = trim($matches[1]); 
        $pageinfo[description] = str_replace("/"", "",$desc);   
        preg_match("@<meta/s+name=/"*keywords/"*/s+content/s*=/s*([^/>]+)/*>@i",$store,$matches); 
        //print_r($matches); 
        $keywords = trim($matches[1]); 
        $pageinfo[keywords] = str_replace("/"", "",$keywords);           
        preg_match("/<title>(.*)<//title>/smUi",$store, $matches); 
        $pageinfo[title] = trim($matches[1]);          preg_match("/<body.*>(.*)<//body>/smUi",$store, $matches); 
        $pageinfo[body] = addslashes( replaceHtmlAndJs($matches[1]) ) ; 
        $pageinfo["all"] = addslashes( replaceHtmlAndJs($store) ) ;          //echo "charset = " . $pageinfo[charset] . "/n";          //print_r($pageinfo); 
        //exit;           
        return $pageinfo;  }  /** 
 * 去掉所有的HTML标记和JavaScript标记 
 */ 
function replaceHtmlAndJs($document)  
{  
         $document = trim($document);  
         if (strlen($document) <= 0)  
         {  
          return $document;  
         }  
         $search = array (        
                                            ""<script[^>]*?>.*?
// --></mce:script>"si",  // 去掉 javascript  
                          ""<[///!]*?[^<>]*?>"si",          // 去掉 HTML 标记  
                          ""[/r/n/s+]"",                // 去掉空白字符  
                          ""&(/w+);"i"              // 替换 HTML 实体  
                         );                    // 作为 PHP 代码运行            $replace = array ( "", "", "", ""  );            return @preg_replace ($search, $replace, $document);   } 

使用例子

复制代码 代码如下:
$a = getPageContent(www.ttphp.com);  
print_r($a);