http_throttle
(PECL pecl_http >= 0.10.0)
http_throttle — HTTP throttling
說明
void http_throttle
( float
$sec
[, int $bytes = 40960
] )Sets the throttle delay and send buffer size.
Note: 此函式應與 http_send_data(), http_send_file() 和 http_send_stream() 一同使用。
Note: 提供基本的節流機制，會放棄當前程序或線程，直至實體已被完全發送。
Note:
下列 SAPI 可能不能正常的工作： FastCGI.
參數
-
sec -
seconds to sleep after each chunk sent
-
bytes -
the chunk size in bytes
範例
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');
?>
參見
- http_send_data() - Send arbitrary data
- http_send_file() - Send file
- http_send_stream() - Send stream
- 如使用 PHP 5.1.0 及以後版本中為 HttpResponse 類別。
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