parallel.php

<?php
use \parallel\Runtime;
use \parallel\Channel;
$runtime = new Runtime();
Channel::make("TEST_CHANNEL", 1024);
$future1 = $runtime->run(function(){
    $channel = Channel::open("TEST_CHANNEL");
    sleep(2);
    $channel->send("foo");
    sleep(1);
    $channel->send("bar");
    sleep(1);
});
$future2 = $runtime->run(function(){
    $channel = Channel::open("TEST_CHANNEL");
    $msg1=$channel->recv();
    $msg2=$channel->recv();
    return "$msg1, $msg2";
});
echo $future2->value();