<?php

class Circle
{
    function draw()
    {
        echo "Circle\n";
    }
}

class Square
{
    function draw()
    {
        print "Square\n";
    }
}

function ShapeFactoryMethod($shape)
{
    switch ($shape) {
        case "Circle":
            return new Circle();
        case "Square":
            return new Square();
    }
}

function main()
{
    ShapeFactoryMethod("Circle")->draw();
    ShapeFactoryMethod("Square")->draw();
}