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Fast and Lightweight PHP 8.1+ DataMapper and Table Gateway with automatic data caching, smart entities, migrations and many more

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What is Composite DB

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Composite DB is lightweight and fast PHP DataMapper and Table Gateway which allows you to represent your SQL tables scheme in OOP style using full power of PHP 8.1+ class syntax.

It also gives you CRUD, query builder and automatic caching out of the box, so you can start to work with your database from php code in a minutes!

Overview:

Features

  • Lightweight - easier entity schema, no getters and setters, you don't need attributes for each column definition, just use native php class syntax.
  • Speed - it's 1.5x faster in pure SQL queries mode and many times faster in automatic caching mode (see benchmark).
  • Easy caching - gives you CRUD operations caching out of the box and in general it's much easier to work with cached "selects".
  • Strict types - Composite DB forces you to be more strict typed and makes your IDE happy.
  • Hydration - you can serialize your Entities to plain array or json and deserialize them back.
  • Flexibility - gives you more freedom to extend Repositories, for example it's easier to build sharding tables.
  • Code generation - you can generate Entity and Repository classes from your SQL tables.
  • Division of responsibility - every Entity has its own Repository class, and it's the only entry point to make queries to your table.

It also has many popular features such as:

  • Query Builder - build your queries with constructor, based on doctrine/dbal
  • Migrations - synchronise your php entities with database tables

Requirements

  • PHP 8.1+
  • PDO Extension with desired database drivers

Installation

  1. Install package via composer:
    $ composer require compositephp/db
  2. Configure Composite\DB\ConnectionManager (example)
  3. (Optional) Configure symfony/console commands to use automatic class generators (example)
  4. (Optional) Install and configure any PSR-16 (simple cache) package to use automatic caching

Quick example

Imagine you have simple table Users

create table Users
(
    `id`         int auto_increment,
    `email`      varchar(255)                                         not null,
    `name`       varchar(255)               default NULL              null,
    `is_test`    tinyint(1)                 default 0                 not null,
    `languages`  json                       default '[]'              not null,
    `status`     enum ("ACTIVE", "BLOCKED") default "ACTIVE"          null,
    `created_at` TIMESTAMP                  default CURRENT_TIMESTAMP not null,
    constraint Users_pk primary key (id)
);

First, you need to do is to execute command to generate php entity:

$ php console.php composite-db:generate-entity dbName Users 'App\User'

New entity class User and enum Status will be automatically generated:

#[Table(db: 'dbName', name: 'Users')]
class User extends AbstractEntity
{
    #[PrimaryKey(autoIncrement: true)]
    public readonly int $id;

    public function __construct(
        public string $email,
        public ?string $name = null,
        public bool $is_test = false,
        public array $languages = [],
        public Status $status = Status::ACTIVE,
        public readonly \DateTimeImmutable $created_at = new \DateTimeImmutable(),
    ) {}
}
enum Status
{
    case ACTIVE;
    case BLOCKED;
}

Second step, is to generate a table class (repository) for your entity:

$ php console.php composite-db:generate-table 'App\User' 'App\UsersTable'

And that's it, now you have CRUD for your SQL table and simple selects:

$table = new UsersTable();

//Create
$user = new User(
    email: '[email protected]',
    name: 'John',
    languages: ['en', 'fr'],
);
$table->save($user);

//Read
$user = $table->findByPk(123);

//Update
$user->status = Status::BLOCKED;
$table->save($user);

//Delete
$table->delete($user);

//Other selects out of the box
$table->findAll();
$table->countAll();

You can find full working example here which you can copy and run as is.

You can also serialize user entity to array or json:

var_export($user->toArray());

//will output
array (
  'id' => 123,
  'email' => '[email protected]',
  'name' => 'John',
  'is_test' => false,
  'languages' => '["en","fr"]',
  'status' => 'BLOCKED',
  'created_at' => '2022-01-01 11:22:33.000000',
)

Or deserialize (hydrate) entity from array:

$user = User::fromArray([
  'id' => 123,
  'email' => '[email protected]',
  'name' => 'John',
  'is_test' => false,
  'languages' => '["en","fr"]',
  'status' => 'BLOCKED',
  'created_at' => '2022-01-01 11:22:33.000000',
]);

And that's it, no special getters or setters, no "behaviours" or extra code, smart entity casts everything automatically. More about Entity and supported auto casting types you can find here.

License:

MIT License (MIT). Please see LICENSE for more information. Maintained by Composite PHP.

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Fast and Lightweight PHP 8.1+ DataMapper and Table Gateway with automatic data caching, smart entities, migrations and many more

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