https://github.com/tomykaira/clockwork
Create clockwork.php
<?php
require_once('Clockwork.php');
require_once('Event.php');
use Clockwork\Clockwork;
$handler = function($job) {
echo $job.PHP_EOL;
};
Clockwork::handler($handler);
Clockwork::every('10 seconds', 'frequent.job');
Clockwork::every('3 minutes', 'less.frequent.job');
Clockwork::every('1 hour', 'hourly.job');
Clockwork::every('1 hour', 'midhour.job', array('at' => '**:30'));
Clockwork::every('1 day', 'midnight.job', array('at' => '00:00'));
?>
An run it in another file:
<?php
$clockwork = new Clockwork();
$clockwork->run();
?>