PHP code example of innmind / doctrine

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

innmind / doctrine example snippets

use Innmind\Doctrine\{
    Manager,
    Sort,
};
use Example\Innmind\Doctrine\User;

$manager = Manager::of($entityManager);

$manager
    ->repository(User::class)
    ->all()
    ->sort('username', Sort::asc)
    ->fetch()
    ->foreach(function(User $user): void {
        echo $user->username()."\n";
    });

$numberOfElementPerPage = 10;
$manager
    ->repository(User::class)
    ->all()
    ->sort('username', Sort::asc)
    ->drop($page * $numberOfElementPerPage)
    ->take($numberOfElementPerPage)
    ->fetch()
    ->foreach(function(User $user): void {
        echo $user->username()."\n";
    });

use Example\Innmind\Doctrine\Username;

$manager
    ->repository(User::class)
    ->matching(
        Username::of('alice')->or(
            Username::of('jane'),
        ),
    )
    ->sort('username', Sort::asc)
    ->drop(20)
    ->take(10)
    ->fetch()
    ->foreach(function(User $user): void {
        echo $user->username()."\n";
    });

use Innmind\Doctrine\Id;
use Innmind\Immutable\Either;

$user = $manager->mutate(function($manager): Either {
    $user = new User(
        Id::new(),
        'someone',
    );
    $manager
        ->repository(User::class)
        ->add($user);

    return Either::right($user);
});

$manager->transaction(function($manager, $flush): Either {
    $progress = 0;
    $repository = $manager->repository(User::class);

    foreach ($someSource as $args) {
        $repository->add(new User(...$args));
        ++$progress;

        if ($progress % 20 === 0) {
            // flush entities to the database every 20 additions
            $flush();
        }
    }

    return Either::right(null);
});

use Symfony\Component\HttpFoundation\JsonResponse;

/** @var list<array{username: string, registerIndex: int}> */
$data = $manager
    ->repository(User::class)
    ->all()
    ->sort('registerIndex', Sort::asc)
    ->fetch()
    ->map(static fn(User $user): array => [
        'username' => $user->username(),
        'registerIndex' => $user->registerIndex(),
    ])
    ->toList();

new JsonResponse($data);

use Example\Innmind\Doctrine\Child;

$users = $manager
    ->repository(User::class)
    ->matching(
        Child::of('alice')->or(
            Child::of('jane'),
        ),
    );

$_ = $manager
    ->repository(User::class)
    ->all()
    ->lazy() // instruct to load one entity at a time
    ->fetch()
    ->foreach(function($user) use ($manager) {
        doStuff($user);
        // this clear is important to make doctrine forget about the loaded
        // entities and will consequently free memory
        $manager->clear();
    });