usleep
(PHP 4, PHP 5)
usleep — Delay execution in microseconds
설명
void usleep
( int $micro_seconds
)
Delays program execution for the given number of micro seconds.
매개변수
- micro_seconds
-
Halt time in micro seconds. A micro second is one millionth of a second.
반환값
값을 반환하지 않습니다.
변경 기록
| 버전 | 설명 |
|---|---|
| 5.0.0 | This function now works on Windows systems. |
예제
Example#1 usleep() example
<?php
// Current time
echo date('h:i:s') . "\n";
// wait for 2 seconds
usleep(2000000);
// back!
echo date('h:i:s') . "\n";
?>
위 예제의 출력:
11:13:28 11:13:30