react-shell/examples/timers.php

<?php

use React\EventLoop\Loop;

require_once __DIR__."/../vendor/autoload.php";

$shell = new NoccyLabs\React\Shell\Shell();

$shell->on('prompt', function ($shell) { 
    $shell->setPrompt(date("H:i:s> ")); 
});
$shell->on('input', function (array $input) use ($shell) {
    $shell->write("You entered: ".join(" ", $input)."\n");
});

// The shell is an OutputStream
$shell->write("Hello World!\n\n");

Loop::addPeriodicTimer(5, function () use ($shell) {
    $shell->write(date(DATE_ATOM)."\n");
});