PHP HyperF -> Overlapping and Concurrency

composer create-project hyperf/hyperf-skeleton "project"

composer require hyperf/watcher --dev

composer require ramsey/uuid

cd project ;
php bin/hyperf.php server:watch ;

Router::addRoute(['GET', 'POST'], '/overlapping/data', 'App\Controller\ControllerOverlapping@data');
Router::addRoute(['GET', 'POST'], '/overlapping/value-a', 'App\Controller\ControllerOverlapping@value_a');
Router::addRoute(['GET', 'POST'], '/overlapping/value-b', 'App\Controller\ControllerOverlapping@value_b');
Router::addRoute(['GET', 'POST'], '/overlapping/value-c', 'App\Controller\ControllerOverlapping@value_c');

Router::addRoute(['GET', 'POST'], '/concurrency/data', 'App\Controller\ControllerConcurrency@data');
Router::addRoute(['GET', 'POST'], '/concurrency/value-a', 'App\Controller\ControllerConcurrency@value_a');
Router::addRoute(['GET', 'POST'], '/concurrency/value-b', 'App\Controller\ControllerConcurrency@value_b');
Router::addRoute(['GET', 'POST'], '/concurrency/value-c', 'App\Controller\ControllerConcurrency@value_c');

namespace App\Controller;

class ControllerOverlapping
{
    public $data;

    public function __construct()
    {
        $this->data='';
    }

    public function data()
    {
        return $this->data;
    }

    public function value_a()
    {
        $this->data='Value A';
        return $this->data;
    }

    public function value_b()
    {
        $this->data='Value B';
        return $this->data;
    }

    public function value_C()
    {
        $this->data='Value C';
        return $this->data;
    }

}

namespace App\Controller;

use Ramsey\Uuid\Uuid;

class ControllerConcurrency
{
    public $data;

    public function __construct()
    {
        $this->data=array();
    }

    public function start()
    {
        $key=Uuid::uuid4()->toString();
        return $key;
    }

    public function end($key)
    {
        $data=$this->data[$key];
        unset($this->data[$key]);
        return $data;
    }

    public function data()
    {
        return $this->data;
    }

    public function value_a()
    {
        $key=$this->start();
        $this->data[$key]='Value A';
        $data=$this->end($key);
        return $data;
    }

    public function value_b()
    {
        $key=Uuid::uuid4()->toString();
        $this->data[$key]='Value B';
        $data=$this->end($key);
        return $data;
    }

    public function value_C()
    {
        $key=Uuid::uuid4()->toString();
        $this->data[$key]='Value C';
        $data=$this->end($key);
        return $data;
    }

}

curl "http://127.0.0.1:9501/overlapping/data"
Result: ''

curl "http://127.0.0.1:9501/overlapping/value-a"
Result: 'Value A'

curl "http://127.0.0.1:9501/overlapping/data"
Result: 'Value A'

curl "http://127.0.0.1:9501/overlapping/value-b"
Result: 'Value B'

curl "http://127.0.0.1:9501/overlapping/data"
Result: 'Value B'

curl "http://127.0.0.1:9501/concurrency/data"
Result: ''

curl "http://127.0.0.1:9501/concurrency/value-a"
Result: 'Value A'

curl "http://127.0.0.1:9501/concurrency/data"
Result: ''

curl "http://127.0.0.1:9501/concurrency/value-b"
Result: 'Value B'

curl "http://127.0.0.1:9501/concurrency/data"
Result: ''

curl "http://127.0.0.1:9501/concurrency/value-a" && \
curl "http://127.0.0.1:9501/concurrency/value-a" && \
curl "http://127.0.0.1:9501/concurrency/value-c" ;
Result: 'Value A', 'Value B', 'Value C'

curl "http://127.0.0.1:9501/concurrency/data"
Result: ''