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How to Dump Workflows

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3.2

How to Dump WorkflowsΒΆ

To help you debug your workflows, you can dump a representation of your workflow with the use of a DumperInterface. Use the GraphvizDumper to create a PNG image of the workflow defined above:

// dump-graph.php
$dumper = new GraphvizDumper();
echo $dumper->dump($definition);
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$ php dump-graph.php | dot -Tpng -o graph.png

The result will look like this:

../_images/blogpost.png

Inside a Symfony application, you can dump the dot file with the workflow:dump command:

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$ php bin/console workflow:dump name | dot -Tpng -o graph.png

Note

The dot command is part of Graphviz. You can download it and read more about it on Graphviz.org.

This work, including the code samples, is licensed under a Creative Commons BY-SA 3.0 license.