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Vendor vandetho
Package symflow-laravel
Short Description A Symfony-compatible workflow engine for Laravel. State machines, Petri nets, guards, events, validation, weighted arcs, middleware, and YAML/JSON/PHP import/export.
License MIT

Keywords symfony workflow events laravel state-machine guards transitions petri-net

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Informations about the package symflow-laravel

SymFlow for Laravel

A Symfony-compatible workflow engine for Laravel. State machines, Petri nets, guards, events, weighted arcs, middleware, and YAML/JSON/PHP/Mermaid/Graphviz/SVG import/export.

Part of the SymFlow ecosystem. See also symflow for the TypeScript/Node.js version.

Installation

Quick Start

Define a workflow in config/laraflow.php:

Use the Eloquent trait:

Or use the Facade:

Features

Two workflow types -- state_machine and workflow (Petri net with parallel states)
Symfony event order -- guard > leave > transition > enter > entered > completed > announce
Subject-driven API -- mirrors Symfony's $workflow->apply($entity, 'submit') pattern
Marking stores -- property and method stores, or implement your own
Pluggable guards -- GuardEvaluatorInterface for custom authorization
Structured guard results -- return GuardResult::deny($reason, $code) so blockers carry a human-readable reason
Blockable Guard event -- listeners can veto a transition via $event->setBlocked(true, reason, code)
Listener scoping & priority -- on() accepts an optional transition name and priority for declarative ordering
Listener error modes -- ListenerErrorMode::Throw / Collect / Swallow controls how listener exceptions surface
Weighted arcs -- consumeWeight / produceWeight for multi-token transitions
Middleware -- wrap apply() with logging, transactions, metrics
Validation -- 8 error types including BFS reachability analysis
Pattern analysis -- AND-split, AND-join, OR-split, XOR detection
Import/Export -- YAML (Symfony-compatible), JSON, PHP codegen, Mermaid, Graphviz DOT, SVG (auto-layout, dark/light theme)
Eloquent trait -- HasWorkflowTrait for model integration
Laravel events -- 7 event classes for the full transition lifecycle
Artisan commands -- laraflow:validate, laraflow:mermaid, laraflow:dot

Examples

End-to-end Laravel apps built on symflow-laravel:

Repo	What it shows
symflow-laravel-expense-approval	Multi-stage expense approval as a Petri net — parallel legal/finance/manager review, Livewire 3 + Tailwind, Fly.io-ready
symflow-laravel-issue-tracker	Issue tracker with parallel code-review + qa-review tracks — Petri net + Livewire, Fly.io-ready
symflow-laravel-order-lifecycle	Three concurrent workflows on one `Order` model — `order_lifecycle` + `order_payment` state machines and an `order_fulfillment` Petri net (parallel pick + pack), shared guard + audit middleware

Documentation

Guide	Description
Getting Started	Installation, first workflow, Eloquent trait
Engine API	WorkflowEngine, guards, validation, pattern analysis
Subject API	Workflow facade, marking stores, config-driven workflows
Weighted Arcs	Multi-token transitions
Middleware	Lifecycle hooks, transactions, logging
Events	Symfony event order, Laravel event integration
Artisan Commands	validate, mermaid, dot
Persistence Formats	YAML, JSON, PHP, Mermaid, Graphviz

License

MIT

All versions of symflow-laravel with dependencies

PHP Build Version

Package Version

Version v1.1.1 Release 03. May 2026
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Requires php Version ^8.2
illuminate/contracts Version ^11.0|^12.0
illuminate/support Version ^11.0|^12.0
illuminate/console Version ^11.0|^12.0
illuminate/events Version ^11.0|^12.0
symfony/yaml Version ^6.4|^7.0

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