time_nanosleeptime_sleep_until
(PHP 5 >= 5.1.0)
time_sleep_until — Make the script sleep until the specified time
Opis
bool time_sleep_until
( float
$timestamp
)
Makes the script sleep until the specified
timestamp.
Parametry
-
timestamp -
The timestamp when the script should wake.
Zwracane wartości
Zwraca TRUE w przypadku powodzenia, FALSE w
przypadku błędu.
Rejestr zmian
| Wersja | Opis |
|---|---|
| 5.3.0 | This function is now available on Windows platforms. |
Błędy/Wyjątki
If the specified timestamp is in the past, this
function will generate a E_WARNING.
Przykłady
Przykład #1 A time_sleep_until() example
<?php
//returns false and generates a warning
var_dump(time_sleep_until(time()-1));
// may only work on faster computers, will sleep up to 0.2 seconds
var_dump(time_sleep_until(microtime(true)+0.2));
?>
Notatki
Informacja: All signals will be delivered after the script wakes up.
Zobacz też:
- sleep() - Delay execution
- usleep() - Delay execution in microseconds
- time_nanosleep() - Delay for a number of seconds and nanoseconds
- set_time_limit() - Limits the maximum execution time
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User Contributed Notes
time_sleep_until - [6 notes]