public static function proxy_test()
{
$options = array(CURLOPT_URL => 'http://www.baidu.com', CURLOPT_REFERER => 'http://www.baidu.com', CURLOPT_USERAGENT => 'Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)', CURLOPT_TIMEOUT => 10, CURLOPT_CONNECTTIMEOUT => 8, CURLOPT_RETURNTRANSFER => 1, CURLOPT_HEADER => 0, CURLOPT_NOSIGNAL => true, CURLOPT_DNS_USE_GLOBAL_CACHE => true, CURLOPT_DNS_CACHE_TIMEOUT => 86400, CURLOPT_SSL_VERIFYPEER => false, CURLOPT_SSL_VERIFYHOST => false);
if (empty(self::$CURL_PROXY_ARRAY)) {
if (empty(self::$CURL_PROXY)) {
return false;
}
self::$CURL_PROXY_ARRAY = explode("\n", self::$CURL_PROXY);
// socks5://127.0.0.1:1080@username:password
}
if (empty(self::$CURL_PROXY_ARRAY)) {
return false;
}
$rand_keys = array_rand(self::$CURL_PROXY_ARRAY, 1);
$proxy = self::$CURL_PROXY_ARRAY[$rand_keys];
$proxy = trim($proxy);
$options = self::proxy($options, $proxy);
$ch = curl_init();
curl_setopt_array($ch, $options);
curl_exec($ch);
$info = curl_getinfo($ch);
curl_close($ch);
if ($info['http_code'] == 200) {
return $proxy;
} else {
unset(self::$CURL_PROXY_ARRAY[$rand_keys]);
return self::proxy_test();
}
}