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PHP Manual

# 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.

### 인수

`micro_seconds`

  Halt time in micro seconds. A micro second is one millionth of a second.

### 반환값

값을 반환하지 않습니다.

### 변경점

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

### 참고

- sleep() - Delay execution
- time_nanosleep() - Delay for a number of seconds and nanoseconds
- time_sleep_until() - Make the script sleep until the specified time
- set_time_limit() - 최대 실행 시간을 제한

unpack
Parsekit
Misc. 함수 목록
PHP Manual