transport_no_enum.php

<?php

interface Vehicle {
    public function getEngine(): string;
    public function simulate();
}

function getSubclassesOf($parent) {
    $result = array();
    foreach (get_declared_classes() as $class) {
        if (is_subclass_of($class, $parent))
            $result[] = $class;
    }
    return $result;
}

class Transport implements Vehicle
{
    protected $engine = 'steam-engine';
    protected $name = 'Transport';
    protected $toPrint = '##########';

    public function __construct($engine = null, $name = null)
    {
        if ($engine) {
            $this->engine = $engine;
        }

        if ($name) {
            $this->name = $name;
        }
    }

    public function getEngine(): string {
        echo $this->name . 'Engine: ' . $this->engine ."\n";
        return $this->engine;
    }

    public function simulate(){
        $this->getEngine();
        echo $this->toPrint."\n";
    }
}

class Car extends Transport
{
    protected $engine = 'four-stroke engine';
    protected $toPrint = '##########';
    protected $name = 'Car';

    public function driver()
    {

    }

    public function simulate()
    {
        parent::simulate(); // TODO: Change the autogenerated stub
        $this->driver();
    }
}

class Aircraft extends Transport
{
    protected $name = 'Aircraft';
    protected $engine = 'turbofan engine';
    protected $toPrint = '>>>>>>>>>>>>>>>';

    public function pilot()
    {
    }

    public function simulate()
    {
        parent::simulate(); // TODO: Change the autogenerated stub
        $this->pilot();
    }
}

class Submarine extends Transport
{
    protected $name = 'Submarine';
    protected $engine = 'gasoline engine';
    protected $toPrint = '&&&&&&&&&&&&&&';

    public function dive()
    {
    }

    public function simulate()
    {
        parent::simulate(); // TODO: Change the autogenerated stub
        $this->dive();
    }
}


class SuperTransport extends Transport
{
    protected $engine = 'hybrid';
    protected $name = 'Verhicle';

    public function getOtherTransport()
    {
        $classes = getSubclassesOf(Transport::class);
        $instances = [];
        foreach ($classes as $class) {
            if ($class !== 'SuperTransport') {
                $instances[] = new $class();
            }
        }

        return $instances;
    }

    public function simulate()
    {
        $this->getEngine();
        foreach ($this->getOtherTransport() as $instance) {
            $instance->simulate();
        }
    }
}


$car = new Car();
$sub = new Submarine();
$pilot = new Aircraft();
$superTransport = new SuperTransport();
echo "1.\n";
$superTransport->simulate();

echo "2.\n";
$car->simulate();
echo "3.\n";
$sub->simulate();
echo "4.\n";

$pilot->simulate();