PHP 8.1.15 Released!

Basic usage

This example forks off a daemon process with a signal handler.

Ejemplo #1 Process Control Example

<?php
declare(ticks=1);

$pid = pcntl_fork();
if (
$pid == -1) {
die(
"could not fork");
} else if (
$pid) {
exit();
// we are the parent
} else {
// we are the child
}

// detach from the controlling terminal
if (posix_setsid() == -1) {
die(
"could not detach from terminal");
}

// setup signal handlers
pcntl_signal(SIGTERM, "sig_handler");
pcntl_signal(SIGHUP, "sig_handler");

// loop forever performing tasks
while (1) {

// do something interesting here

}

function
sig_handler($signo)
{

switch (
$signo) {
case
SIGTERM:
// handle shutdown tasks
exit;
break;
case
SIGHUP:
// handle restart tasks
break;
default:
// handle all other signals
}

}

?>
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