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time_sleep_until

Make the script sleep until the specified time (PHP 5 >= 5.1.0)
bool time_sleep_until ( float timestamp )

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 1365. 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(time()+0.2));

?>


Notes

Note:

All signals will be delivered after the script wakes up.

Note:

This function is not implemented on Windows platforms.