transport.php

<?php

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

const ENV_LAND = 1;
const ENV_AIR = 2;
const ENV_WATER = 3;

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 Ferrari  extends Car
{
    protected $name = 'Ferrari';
    protected $engine = 'F154';
}

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

    private $combineEngines = [
        ENV_LAND => Car::class,
        ENV_AIR => Aircraft::class,
        ENV_WATER => Submarine::class
    ];

    public function simulate($env = null)
    {
        $class = $this->combineEngines[$env] ?? Car::class;
        $instance = new $class($this->engine, $this->name);
        $instance->simulate();
    }
}


$car = new Car();
$sub = new Submarine();
$pilot = new Aircraft();
$ferrari = new Ferrari();

$car->simulate();
$sub->simulate();
$pilot->simulate();
$ferrari->simulate();
$superTransport = new SuperTransport();
$superTransport->simulate(ENV_LAND);
$superTransport->simulate(ENV_AIR);
$superTransport->simulate(ENV_WATER);