<?php 
   function get_url_content($url){    
    $user_agent = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0)";     
    $ch = curl_init();    
    //curl_setopt ($ch, CURLOPT_PROXY, $proxy);    
    curl_setopt ($ch, CURLOPT_URL, $url);//設定要訪問的IP    
    curl_setopt ($ch, CURLOPT_USERAGENT, $user_agent);//模擬使用者使用的瀏覽器     
    @curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1 ); // 使用自動跳轉      
    curl_setopt ($ch, CURLOPT_TIMEOUT, 60); //設定超時時間    
    curl_setopt ($ch, CURLOPT_AUTOREFERER, 1 ); // 自動設定Referer      
    curl_setopt ($ch, CURLOPT_COOKIEJAR, 'c:\cookie.txt');    
    curl_setopt ($ch, CURLOPT_HEADER,0); //顯示返回的HEAD區域的內容    
    curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);    
    curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1);    
    curl_setopt ($ch, CURLOPT_TIMEOUT, 10);    
    $result = curl_exec($ch);    
    curl_close($ch);    
    return $result;    
}
print_r(get_url_content('http://www.baidu.com'));
?>
 

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還可以用下面方式實現請求轉發

print_r(file_get_contents('http://www.baidu.com'));