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time_sleep_until

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

time_sleep_until — Make the script sleep until the specified time

Descrizione

time_sleep_until(float $timestamp): bool

Makes the script sleep until the specified timestamp.

Elenco dei parametri

timestamp

The timestamp when the script should wake.

Valori restituiti

Restituisce true in caso di successo, false in caso di fallimento.

Errori/Eccezioni

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

Esempi

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));

?>

Note

Nota: All signals will be delivered after the script wakes up.

Vedere anche: