Php/docs/function.time-sleep-until
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time_sleep_until
(PHP 5 >= 5.1.0, PHP 7)
time_sleep_until — Make the script sleep until the specified time
Description
time_sleep_until
( float $timestamp
) : bool
Makes the script sleep until the specified
timestamp.
Parameters
timestamp- The timestamp when the script should wake.
Return Values
Returns TRUE on success or FALSE on failure.
Errors/Exceptions
If the specified timestamp is in the past, this
function will generate a E_WARNING.
Examples
Example #1 A time_sleep_until() example
<?php//returns false and generates a warningvar_dump(time_sleep_until(time()-1));// may only work on faster computers, will sleep up to 0.2 secondsvar_dump(time_sleep_until(microtime(true)+0.2));?>
Notes
Note:
All signals will be delivered after the script wakes up.
See Also
- 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
