Convert_Abstraction_AbstractFactory.php

<?php

class Convert_Abstraction_AbstractFactory {
    
    public function __construct() {
        
    }
    
    public static function convert($to) {
        
        require_once('Convert_Abstraction_Factory.php'); 
        
        switch ($to) {
            case 'png':
                require_once 'Convert_Abstraction_Factory_PNG.php';
                $factory = new Abstract_Factory_Convert_PNG();
                break;
            case 'jpg':
                require_once 'Convert_Abstraction_Factory_JPG.php';
                $factory = new Abstract_Factory_Convert_JPG();
                break;
        }
        
        return $factory;
    }

 }
 
 $abstractfactory = new Convert_Abstraction_AbstractFactory();
 
 $factory = $abstractfactory::convert('png');
 $factory->image_convert('jpg.jpg');