pcntl_alarm
Function • Params and return types changed in PHP 8.0
Set an alarm clock for delivery of a signal.
pcntl_alarm Function synopsis
pcntl_alarm(int $seconds): intParameters
$seconds
Typeint
The number of seconds to wait. If $seconds is
zero, no new alarm is created.
Return value
Typeint
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.
Changes to the pcntl_alarm Function
PHP 8.0
- Return type added:
int - Parameter type added for parameter #1 (
$seconds):int
- pcntl_alarm($seconds)
+ pcntl_alarm(int $seconds): intpcntl_alarm Function Availability
pcntl_alarm Function Availability| PHP Version | Availability |
|---|---|
| PHP 8.6Upcoming Release | Yes |
| PHP 8.5Supported (Latest) | Yes |
| PHP 8.4Supported | Yes |
| PHP 8.3Security-Fixes Only | Yes |
| PHP 8.2Security-Fixes Only | Yes |
| PHP 8.1Unsupported | Yes |
| PHP 8.0Unsupported | Yes |
| PHP 7.4Unsupported | Yes |
| PHP 7.3Unsupported | Yes |
| PHP 7.2Unsupported | Yes |
| PHP 7.1Unsupported | Yes |
| PHP 7.0Unsupported | Yes |
| PHP 5.6Unsupported | Yes |
| PHP 5.5Unsupported | Yes |
| PHP 5.4Unsupported | Yes |
| PHP 5.3Unsupported | Yes |