php curl 302

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引起的原因是网站验证了User agent 和 cookie

function getPage () {

$url = 'http://www.xxx.com/shishicai/ajax?ajaxhandler=getcqsscawarddata&t='.time();;

$useragent = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.89 Safari/537.36';
$timeout= 120;
$dir = dirname(__FILE__);
$cookie_file = $dir . '/cookies/' . md5($_SERVER['REMOTE_ADDR']) . '.txt';

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_FAILONERROR, true);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file);
curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie_file);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true );
curl_setopt($ch, CURLOPT_ENCODING, "" );
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true );
curl_setopt($ch, CURLOPT_AUTOREFERER, true );
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout );
curl_setopt($ch, CURLOPT_TIMEOUT, $timeout );
curl_setopt($ch, CURLOPT_MAXREDIRS, 10 );
curl_setopt($ch, CURLOPT_USERAGENT, $useragent);
curl_setopt($ch, CURLOPT_REFERER, 'http://www.xxx.com/');
$content = curl_exec($ch);
if(curl_errno($ch))
{
echo 'error:' . curl_error($ch);
}
else

{
var_dump($content);exit;
return $content;
}
curl_close($ch);

}

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