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pcntl_alarm

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

pcntl_alarm — Set an alarm clock for delivery of a signal

Description

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.

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Parameters

seconds

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

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Return Values

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.

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Document created the 30/01/2003, last modified the 26/10/2018
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References

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