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Awesome Open Source


A BPMN 2.0 workflow engine for PHP

Workflower is a BPMN 2.0 workflow engine for PHP. Workflower runs business processes using the BPMN 2.0 specification. It's open-source and distributed under the BSD 2-Clause License.

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  • Workflow
    • The workflow engine and domain model
  • Process
    • Some interfaces to work with ProcessInstance objects
  • Definition
    • ProcessDefinitionRepository to store all process definitions
    • BPMN 2.0 process definitions importer
  • Persistence
    • Serialize/deserialize interfaces for ProcessInstance objects

Supported workflow elements

  • Connecting objects
    • Sequence flows
  • Flow objects
    • Activities
      • Tasks
      • Service tasks
      • Send tasks
      • User tasks
      • Manual tasks
      • CallActivity tasks
      • SubProcess tasks
    • Events
      • Start events
      • End events
      • TerminateEnd events
    • Gateways
      • Exclusive gateways
      • Inclusive gateways
      • Parallel gateways
  • Swimlanes
    • Lanes


Workflower can be installed using Composer.

Add the dependency to phpmentors/workflower into your composer.json file as the following:

Stable version:

composer require phpmentors/workflower "1.4.*"

Development version:

composer require phpmentors/workflower "[email protected]"



If you find a bug or have a question, or want to request a feature, create an issue or pull request for it on Issues.


Copyright (c) 2015-2019 Atsuhiro Kubo and contributors, All rights reserved.


The BSD 2-Clause License

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