http_send_file

(PECL pecl_http >= 0.1.0)

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 设置s: http.send.not_found_404 和 http.log.not_found.

If the INI 设置 http.send.not_found_404 is enabled and the INI 设置 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

成功时返回 TRUE，或者在失败时返回 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");
?>

以上例程会输出：

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() - Send arbitrary data
http_send_stream() - Send stream
http_throttle() - HTTP throttling
http_send_content_type() - Send Content-Type
http_send_content_disposition() - Send Content-Disposition
如使用 PHP 5.1.0 及以后版本中为 HttpResponse 类。

add a note User Contributed Notes http_send_file - [1 notes]

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Pieter ¶

5 months ago


This function does not work together nicely with output buffering (ob_start etc.). If you get memory allocation errors, it probably means that you have got output buffering turned on and you should turn off output buffering.

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