time_sleep_until

Make the script sleep until the specified time

&reftitle.description; `bool` `time_sleep_until` `float` `timestamp`

Makes the script sleep until the specified `timestamp`.

&reftitle.parameters;

`timestamp`

- The timestamp when the script should wake.

&reftitle.returnvalues;

&return.success;

&reftitle.errors;

If the specified `timestamp` is in the past, this function will generate a `E_WARNING`.

&reftitle.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));

    ?>

&reftitle.notes;

All signals will be delivered after the script wakes up.

&reftitle.seealso;

- `sleep`
- `usleep`
- `time_nanosleep`
- `set_time_limit`