PHP Manual: http_throttle


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http_throttle

(PECL)

http_throttle -- HTTP throttling

Description

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

Sets the throttle delay and send buffer size.

Note: This function is supposed to 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 respectively 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()
http_send_file()
http_send_stream()
the HttpResponse class if you are using PHP-5.1 and above