function dfopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = false, $ip = '', $timeout = 15, $block = true)
{
$return = '';
$uri = parse_url($url);
$host = $uri['host'];
$path = $uri['path'] ? $uri['path'].($uri['query'] ? '?'.$uri['query'] : '') : '/';
$port = !empty($uri['port']) ? $uri['port'] : 80;
if($post) {
$out = "post $path http/1.0\r\n";
$out .= "accept: */*\r\n";
$out .= "accept-language: zh-cn\r\n";
$out .= "content-type: application/x-www-form-urlencoded\r\n";
$out .= "user-agent: $_server[http_user_agent]\r\n";
$out .= "host: $host\r\n";
$out .= 'content-length: '.strlen($post)."\r\n";
$out .= "connection: close\r\n";
$out .= "cache-control: no-cache\r\n";
$out .= "cookie: $cookie\r\n\r\n";
$out .= $post;
} else {
$out = "get $path http/1.0\r\n";
$out .= "accept: */*\r\n";
$out .= "accept-language: zh-cn\r\n";
$out .= "user-agent: $_server[http_user_agent]\r\n";
$out .= "host: $host\r\n";
$out .= "connection: close\r\n";
$out .= "cookie: $cookie\r\n\r\n";
}
$fp = @fsockopen(($ip ? $ip : $host), $port, $errno, $errstr, $timeout);
if(!$fp) {
return '';
} else {
stream_set_blocking($fp, $block);
stream_set_timeout($fp, $timeout);
@fwrite($fp, $out);
@fclose($fp);
}
}
例：
dfopen("http://sina.com",0);
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