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PHP Manual :: time_sleep_until



time_nanosleep || uniqid || Misc. Functions || PHP Manual

(PHP 5 >= 5.1.0, PHP 7)

time_sleep_until Make the script sleep until the specified time

Description

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.

Changelog

Version Description
5.3.0 This function is now available on Windows platforms.

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



time_nanosleep || uniqid || Misc. Functions || PHP Manual
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