PSR

PHP contracts for HTTP, containers, logging and caching.

Installation

composer config repositories.localzet-psr vcs https://github.com/localzet/PSR
composer require localzet/psr:dev-main

PSR contracts

The package contains interfaces and helper types for HTTP, Container, Log, Cache, SimpleCache, EventDispatcher and Clock. CacheInterface does not supply a cache backend; ContainerInterface does not supply a working DI container. Applications choose implementations.

Review autoload/replace declarations and the Composer dependency tree before installation: conflicting copies must not load the same Psr namespaces. A PSR-related name is not certification of implementation compliance. Match the actual signature and the consuming package’s version requirements.

Requirements

• php: ^8.2

Example

<?php

declare(strict_types=1);

use localzet\PSR\Clock\ClockInterface;
use localzet\PSR\Log\AbstractLogger;

require __DIR__ . '/vendor/autoload.php';

$logger = new class extends AbstractLogger {
    public array $records = [];

    public function log($level, string|Stringable $message, array $context = []): void
    {
        $this->records[] = [$level, (string) $message, $context];
    }
};
$clock = new class implements ClockInterface {
    public function now(): DateTimeImmutable
    {
        return new DateTimeImmutable('2026-10-17T12:00:00+00:00');
    }
};

$logger->info('Order created', ['order_id' => 42]);
echo json_encode([$logger->records[0], $clock->now()->format(DATE_ATOM)], JSON_THROW_ON_ERROR), PHP_EOL;

Source · AGPL-3.0