This code uses a factory to create the Bike object. There are two possible benefits to building your code this way; the first is that if you need to change, rename, or replace the Bike class later on you can do so and you will only have to modify the code in the factory, instead of every place in your project that uses the Bike class. The second…

php-design-factory-pattern.php

<?php
#////////////////////////////////////////////////////////////////////
#

#
#       written by: Aysad Kozanoglu
#            email: k.a@tuta.io
#          website: http://onweb.pe.hu
#
#		      MIT licence
#      https://en.wikipedia.org/wiki/MIT_License
#
#     more information about factory patterns
#       -> https://en.wikipedia.org/wiki/Factory_%28object-oriented_programming%29
#
# example usage:
#   $bike = BikeFactory::create('mercedes', 'ebike-100');
#   echo $bike->getMakeAndModel(); // outputs "mercedes ebike-100"
#

class bike
{
    private $vehicleMake;
    private $vehicleModel;

    public function __construct($make, $model)
    {
        $this->vehicleMake = $make;
        $this->vehicleModel = $model;
    }

    public function getMakeAndModel()
    {
        return $this->vehicleMake . ' ' . $this->vehicleModel;
    }
}

class BikeFactory
{
    public static function create($make, $model)
    {
        return new bike($make, $model);
    }
}

// have the factory create the bike object
$bike = BikeFactory::create('mercedes', 'ebike-100');

print_r($bike->getMakeAndModel()); // outputs "mercedes ebike-100"

?>