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<?php
     $urlstr = file_get_contents("http://www.baidu.com");
     $urlstr = htmlspecialchars($urlstr);
     print_r($urlstr);
?>
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<?php
 //³õʼ»¯curl 
 $ch = curl_init() or die (curl_error());
 curl_setopt($ch,CURLOPT_URL,"http://www.baidu.com/s?wd=php");  //ÒªÇóCURL·µ»ØÊý¾Ý 
 curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);  //Ö´ÐÐÇëÇó 
 $result = curl_exec($ch) or die (curl_error());  //È¡µÃ·µ»ØµÄ½á¹û£¬²¢ÏÔʾ 
 //echo $result;
 $result = htmlspecialchars($result);
 print_r($result);
 curl_close($ch);
?>
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