http_send_stream
http_build_str
HTTP Functions
PHP Manual

# http_throttle

(PECL pecl_http >= 0.10.0)

http_throttle — HTTP throttling

### Description

void http_throttle ( float `$sec` [, int `$bytes` = 40960 ] )

Sets the throttle delay and send buffer size.

> Note: This function should be used in conjunction with http_send_data(), http_send_file() and http_send_stream().

> Note: Provides a basic throttling mechanism, which will yield the current process or thread until the entity has been completely sent.

> Note:

> This may not work as expected with the following SAPI(s): FastCGI.

### Parameters

`sec`

  seconds to sleep after each chunk sent

`bytes`

  the chunk size in bytes

### Examples

Example #1 A http_throttle() example

Send file with approximately 20 kbyte/s.

`<?php
// ~ 20 kbyte/s
# http_throttle(1, 20000);
# http_throttle(0.5, 10000);
http_throttle(0.1, 2000);
http_send_file('document.pdf');
?>`

### See Also

- http_send_data() - Send arbitrary data
- http_send_file() - Send file
- http_send_stream() - Send stream
- the HttpResponse class if you are using PHP 5.1.0 and above

http_send_stream
http_build_str
HTTP Functions
PHP Manual