Programming in PHP - Week 7 - Day 14 - OOP Part 2

Car.php

<?php
include 'Vehicle.php';

class Car implements Vehicle {
    private $seats;
    private $type;
    
    public function __construct($seats, $type){
        $this->seats = $seats;
        $this->type = $type;
    }
    
    public function getRowsOfSeats(){
        $rows = 1;
        $remainingSeats = $this->seats - 2;
        
        if($remainingSeats > 0){
            $rows += ceil($remainingSeats/3);
        }
        
        return $rows;
    }
    
    public function getDoors(){
        return ($this->type == 'sedan') ? 4 : 2;
    }
    
    public function getType(){
        return 'Car';
    }
}

$car = new Car(5, 'coupe');
echo $car->getDoors();
?>

Plane.php

<?php
include 'Vehicle.php';

class Plane implements Vehicle {
    private $seats;
    
    public function __construct($seats){
        $this->seats = $seats;
    }
    
    public function getRowsOfSeats(){
        return ceil($this->seats/4);
    }
    
    public function getType(){
        return 'Plane';
    }
    
    public function getDoors(){
        return 1;
    }
}

$plane = new Plane(63);
echo $plane->getDoors();
?>

Vehicle.php

<?php

interface Vehicle {
    public function getType();
    public function getRowsOfSeats();
    public function getDoors();
}

?>