php-laravelHow can I use DTOs in a Laravel PHP project?

DTOs (Data Transfer Objects) are objects that are used to transfer data between the application's layers. In a Laravel PHP project, they can be used to map data from the database to the application's domain objects.

For example, the following code block creates a DTO class that maps data from the users table:

class UserDTO
{
    public $id;
    public $name;
    public $email;

    public function __construct($data)
    {
        $this->id = $data->id;
        $this->name = $data->name;
        $this->email = $data->email;
    }
}

The DTO can then be used to create a domain object:

$userDTO = new UserDTO($data);
$user = new User($userDTO);

Code explanation

• UserDTO class: maps data from the users table
• __construct method: assigns the data to the DTO's properties
• $userDTO variable: holds an instance of the DTO
• $user variable: holds an instance of the domain object

Helpful links

• Data Transfer Object Design Pattern
• Laravel - Eloquent: Getting Started

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