README

A pure PHP binding for Honker, which brings durable queues, streams, pub/sub and a cron scheduler to a SQLite file. The API mirrors the Ruby binding and is pinned to the ext-v0.2.3 Honker tag.

Honker is a SQLite loadable extension by Russell Romney, written in Rust, that brings Postgres-style NOTIFY/LISTEN semantics plus durable work queues, append-only streams and a cron scheduler to SQLite. No Redis, no broker, no extra process. This package is a thin wrapper around its SQL functions over a Pdo\Sqlite connection.

Installation

$ composer require kornrunner/honker

You also need the Honker SQLite extension itself. Build it from source (requires a Rust toolchain) and point the binding at it via HONKER_EXTENSION_PATH or the constructor:

$ git clone --depth 1 --branch ext-v0.2.3 https://github.com/russellromney/honker.git
$ cargo build --release -p honker-extension --manifest-path honker/Cargo.toml

Usage

Enqueue and claim

<?php

require_once 'vendor/autoload.php';

use kornrunner\Honker\Database;

$db = new Database('app.db', extensionPath: '/path/to/libhonker_ext.so');
$emails = $db->queue('emails');

$emails->enqueue(['to' => 'alice@example.com']);

$job = $emails->claimOne('worker-1');
if ($job !== null) {
    send_email($job->payload());
    $job->ack();
}

Transactional outbox

Couple a business write and a job enqueue atomically; workers only see the job if the transaction commits:

use kornrunner\Honker\Transaction;

$db->transaction(function (Transaction $tx) use ($db, $emails): void {
    $tx->execute('INSERT INTO orders (user_id) VALUES (?)', [42]);
    $emails->enqueueTx($tx, ['to' => 'alice@example.com']);
});

Streams

$stream = $db->stream('user-events');
$stream->publish(['user_id' => 7]);

foreach ($stream->readFromConsumer('dashboard', 100) as $event) {
    handle($event->payload);
    $stream->saveOffset('dashboard', $event->offset);
}

Tests

Unit tests run without the native extension. Integration tests run when HONKER_EXTENSION_PATH points at a real Honker .so. A Dockerfile builds the extension and runs the full suite end-to-end:

$ docker compose run --rm test

kornrunner / honker

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