<?php
class Operation
{
protected $routine;
protected $promise;
public function __construct(\Closure $routine, $promise)
{
$this->routine = $routine;
$this->promise = $promise;
}
public function run()
{
$routine = $this->routine();
$routine($this->promise);
}
public function getPromise()
{
return $this->promise;
}
}
class Promise
{
protected $successClosure;
protected $failClosure;
public function fulfill(...$args)
{
$closure = $this->successClosure;
$closure(...$args);
}
public function reject(...$args)
{
$closure = $this->failClosure;
$closure(...$args);
}
public function then(\Closure $success, \Closure $fail)
{
$this->successClosure = $success;
$this->failClosure = $fail;
}
}
class Queue
{
protected $queue = [];
public function append(Operation $operation) {
$this->queue[] = $operation;
}
public function getOperationGenerator()
{
foreach ($this->queue as $operation) {
yield $operation;
}
}
}
class QueueHandler
{
protected $queues = [];
public function addQueue(Queue $queue)
{
$this->queues[] = $queue;
}
protected function getOperationGenerator()
{
$queues = [];
foreach ($this->queues as $queue) {
$queues[] = $queue->getOperationGenerator();
}
foreach ($this->queues as $queue) {
foreach ($queue as $operation) {
yield $operation;
}
}
}
protected function getRunGenerator()
{
$operation_generator = $this->getOperationGenerator();
foreach ($operation_generator as $operation) {
yield $operation;
}
}
public function run() {
$generator = $this->getRunGenerator();
foreach ($generator as $operation) {
$operation->run();
}
}
}
$main_queue = new Queue;
$secondary_queue = new Queue;
function addOperation(\Closure $routine, Queue $queue) : Promise {
$promise = new Promise();
$operation = new Operation($routine, $promise);
$queue->append($operation);
return $promise;
}
addOperation(function(Promise $promise) {
var_dump('Main Fired');
$promise->fulfill();
}, $main_queue)->then(function() {
var_dump('Main fulfilled!');
}, function() {
var_dump('Main rejected.');
});
addOperation(function(Promise $promise) {
var_dump('Secondary Fired');
$promise->fulfill();
}, $secondary_queue)->then(function() {
var_dump('Secondary fulfilled!');
}, function() {
var_dump('Main rejected.');
});
$queue_handler = new QueueHandler();
$queue_handler->addQueue($main_queue);
$queue_handler->addQueue($secondary_queue);
$queue_handler->run();
- Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- Output for 5.6.8 - 5.6.28
- Parse error: syntax error, unexpected ':', expecting '{' in /in/3ClGI on line 121
Process exited with code 255. - Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35
- Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/3ClGI on line 36
Process exited with code 255.
preferences:
197.5 ms | 402 KiB | 226 Q