(PHP 5 >= 5.1.0, PHP 7)
Make the script sleep until the specified time
bool time_sleep_until ( float $timestamp )
Makes the script sleep until the specified timestamp.
Parameters:
timestamp
The timestamp when the script should wake.
Returns:
Returns TRUE on success or FALSE on failure.
Exception:
If the specified timestamp is in the past, this function will generate a E_WARNING.
Changelog:
5.3.0
This function is now available on Windows platforms.
Notes:
All signals will be delivered after the script wakes up.
Examples:
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)); ?>
See also:
sleep() -
usleep() -
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