time_sleep_until
Make the script sleep until the specified time
Description
bool time_sleep_until(float $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
- usleep
- time_nanosleep
- set_time_limit