time_sleep_until

(no version information, might be only in CVS)

time_sleep_until --  Make the script sleep until the specified time

Beskrivelse

bool time_sleep_until ( float timestamp )

This function will make the script sleep until the specified timestamp. If the specified timestamp is in the past, time_sleep_until() will generate a E_WARNING and return FALSE.

Bemærk: Denne funktion er ikke implementeret på Windows platformen.

Parameterliste

timestamp

The timestamp when the script should wake.

Returneringsværdier

Returnerer TRUE ved succes, FALSE ved fejl.

Eksempler

Eksempel 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(time()+0.2));

?>

Se også

sleep()
usleep()
time_nanosleep()