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 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)); ?>
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
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https://www.php.net/manual/en/function.time-sleep-until.php