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Symfony Form Component Documentation

repository·8.2·Indexed 25 days ago

https://github.com/symfony/form

A PHP component for managing HTML forms, including form building, data mapping to objects, validation, and rendering. Includes documentation for the debug:form command to inspect form types, extensions, guessers, and configuration options.

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What's inside Symfony Form

  1. Overview of the Symfony Form Component

    8.2
    The Symfony Form component provides a robust system for creating, processing, and reusing HTML forms. It handles form building, data mapping, validation, and rendering, allowing you to bridge the gap between HTML forms and your underlying data models.

  2. Reference: debug:form command arguments and options

    8.2

    The debug:form command accepts the following arguments and options:

    TypeNameDescription
    ArgumentclassThe form type class (supports FQCN or short name)
    ArgumentoptionThe specific form type option to inspect
    Option--show-deprecatedDisplay deprecated options in form types
    Option--formatThe output format (default: txt)

  3. Display form type information with debug:form

    8.2

    The debug:form command allows you to inspect available form types, their extensions, guessers, and specific configuration options. You can use it to list all registered types or to drill down into a specific form type's options.

    Usage Scenarios

    • List all available types: Run the command without arguments to see all built-in core types, service-registered types, extensions, and guessers.
    • Inspect a specific form type: Provide the class name (or short name) to see its details.
    • Inspect a specific option: Provide both the class name and the option name to see the definition of that specific option.
    • Show deprecated content: Use the --show-deprecated flag to include deprecated types or options in the output.
    • Machine-readable output: Use --format=json to get the information in JSON format.