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pcntl_alarm

(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)

pcntl_alarm — Set an alarm clock for delivery of a signal

Descrizione

pcntl_alarm(int $seconds): int

Creates a timer that will send a SIGALRM signal to the process after the given number of seconds. Any call to pcntl_alarm() will cancel any previously set alarm.

Elenco dei parametri

seconds

The number of seconds to wait. If seconds is zero, no new alarm is created.

Valori restituiti

Returns the time in seconds that any previously scheduled alarm had remaining before it was to be delivered, or 0 if there was no previously scheduled alarm.