http_send_file
(PECL pecl_http:0.1.0-1.5.5)
http_send_file — Send file
说明
bool http_send_file
( string $file
)
Sends a file with support for (multiple) range requests.
This functions behaviour and further action is dependent on the following INI 设定s: http.send.not_found_404 和 http.log.not_found.
If the INI 设定 http.send.not_found_404 is enabled and the INI 设定 http.log.not_found points to a writable file, a log message is written when the file was not found.
参数
- file
-
the file to send
返回值
如果成功则返回 TRUE，失败则返回 FALSE。
范例
Example#1 A http_send_file() example
<?php
http_send_content_disposition("document.pdf", true);
http_send_content_type("application/pdf");
http_throttle(0.1, 2048);
http_send_file("../report.pdf");
?>
上例将输出：
HTTP/1.1 206 Partial Content X-Powered-By: PHP/5.2.2 Accept-Ranges: bytes Content-Length: 12345 Content-Range: bytes 0-12344 Content-Type: application/pdf Content-Disposition: inline; filename="document.pdf" %PDF...
参见
- http_send_data()
- http_send_stream()
- http_throttle()
- http_send_content_type()
- http_send_content_disposition()
- the HttpResponse class if you are using PHP-5.1 and above
