Mastering PHP 7

The builder pattern

The builder pattern is quite a handy one, especially when it comes to large applications. It separates the construction of a complex object from its representation. This makes it possible for the same construction process to create numerous representations.

The following example demonstrates a possible builder pattern implementation using the Image class as an example:

<?phpclass Image{    private $width;    private $height;    public function getWidth()    {        return $this->width;    }    public function setWidth($width)    {        $this->width = $width;        return $this;    }    public function getHeight()    {        return $this->height;    }    public function setHeight($height)    {        $this->height = $height;        return $this;    }}interface ImageBuilderInterface{    public function ...