PHP获取网站在爱站查询的百度权重

<?php 
/* PHP正则获取网站百度权重值 
** 方法是正则获取爱站工具查询的百度权重值，只能作为参考，百度并没有推出百度权重值。
** 使用方法：https://lanye.org/br.php?q=lanye.org
** 2016-05-18 蓝叶 https://lanye.org
*/
error_reporting(0);
$domain = isset($_GET['q']) ? addslashes(trim($_GET['q'])) : 'lanye.org';
$url = 'https://baidurank.aizhan.com/baidu/'.$domain.'/';
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_HEADER, 0);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
curl_setopt($curl, CURLOPT_REFERER, $url);
curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Linux; U; Android 4.3; en-us; SM-N900T Build/JSS15J) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30');
$curldata = curl_exec($curl);
curl_close($curl);
preg_match('|<img src="//statics.aizhan.com/mobile/images/br/(.*?).png"|i', $curldata, $matchs);
$br = $matchs[1];
header("Content-type: image/png");
readfile($br.'.png');
?>