读取远程文件代码,PHP代码库,德仔网

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【PHP】读取远程文件

作者:Dezai.CN / 发布于2013/8/28/ 643

	function urlfopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE , $ip = '', $timeout = 15, $block = TRUE, $encodetype = 'URLENCODE') {
	 $return = '';
	 $matches = parse_url($url);
	 $host = $matches['host'];
	 $path = $matches['path'] ? $matches['path'].(isset($matches['query']) ? '?'.$matches['query'] : '') : '/';
	 $port = !empty($matches['port']) ? $matches['port'] : 80;

	 if($post) {
	 $out = "POST $path HTTP/1.0\r\n";
	 $out .= "Accept: */*\r\n";
	 $out .= "Accept-Language: zh-cn\r\n";
	 $boundary = $encodetype == 'URLENCODE' ? '' : ';'.substr($post, 0, trim(strpos($post, "\n")));
	 $out .= $encodetype == 'URLENCODE' ? "Content-Type: application/x-www-form-urlencoded\r\n" : "Content-Type: multipart/form-data$boundary\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 .= "Referer: \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);
	 $status = stream_get_meta_data($fp);
	 if(!$status['timed_out']) {
	 while (!feof($fp)) {
	 if(($header = @fgets($fp)) && ($header == "\r\n" || $header == "\n")) {
	 break;
	 }
	 }

	 $stop = false;
	 while(!feof($fp) && !$stop) {
	 $data = fread($fp, ($limit == 0 || $limit > 8192 ? 8192 : $limit));
	 $return .= $data;
	 if($limit) {
	 $limit -= strlen($data);
	 $stop = $limit <= 0;
	 }
	 }
	 }
	 @fclose($fp);
	 return $return;
	 }
	 }

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