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Commitb39f1c1

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minor#20786 [Console] Document theTreeHelper (smnandre)
This PR was squashed before being merged into the 7.3 branch.Discussion----------[Console] Document the `TreeHelper`| Q | A || - | - || Feature PR | [symfony/symfony#59588](symfony/symfony#59588) || PR author(s) | [`@smnandre`](https://github.com/smnandre) || Merged in | 7.3 || Doc Issue |Fix#20692 |fix#20692Commits-------d9a48be [Console] Document the `TreeHelper`
2 parentse2983cc +d9a48be commitb39f1c1

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‎components/console/helpers/map.rst.inc

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* :doc:`/components/console/helpers/progressbar`
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* :doc:`/components/console/helpers/questionhelper`
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* :doc:`/components/console/helpers/table`
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* :doc:`/components/console/helpers/tree`
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* :doc:`/components/console/helpers/debug_formatter`
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* :doc:`/components/console/helpers/cursor`

‎components/console/helpers/tree.rst

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Tree Helper
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===========
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The Tree Helper allows you to build and display tree structures in the console.
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..versionadded::7.3
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The ``TreeHelper`` class was introduced in Symfony 7.3.
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Rendering a Tree
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----------------
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The:method:`Symfony\\Component\\Console\\Helper\\TreeHelper::createTree` method creates a tree structure from an array and returns a:class:`Symfony\\Component\\Console\\Helper\\Tree`
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object that can be rendered in the console.
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Building a Tree from an Array
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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You can build a tree from an array by passing the array to the:method:`Symfony\\Component\\Console\\Helper\\TreeHelper::createTree`
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method::
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use Symfony\Component\Console\Helper\TreeHelper;
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$tree = TreeHelper::createTree($io, null, [
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'src' => [
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'Command',
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'Controller' => [
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'DefaultController.php',
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],
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'Kernel.php',
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],
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'templates' => [
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'base.html.twig',
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],
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]);
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$tree->render();
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The above code will output the following tree:
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..code-block::text
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├── src
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│ ├── Command
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│ ├── Controller
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│ │ └── DefaultController.php
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│ └── Kernel.php
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└── templates
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└── base.html.twig
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Manually Creating a Tree
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~~~~~~~~~~~~~~~~~~~~~~~~
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You can manually create a tree by creating a new instance of the:class:`Symfony\\Component\\Console\\Helper\\Tree` class and adding nodes to it::
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use Symfony\Component\Console\Helper\TreeHelper;
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use Symfony\Component\Console\Helper\TreeNode;
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$node = TreeNode::fromValues([
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'Command',
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'Controller' => [
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'DefaultController.php',
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],
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'Kernel.php',
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]);
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$node->addChild('templates');
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$node->addChild('tests');
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$tree = TreeHelper::createTree($io, $node);
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$tree->render();
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Customizing the Tree Style
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--------------------------
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Built-in Tree Styles
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~~~~~~~~~~~~~~~~~~~~
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The tree helper provides a few built-in styles that you can use to customize the output of the tree.
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:method:`Symfony\\Component\\Console\\Helper\\TreeStyle::default`
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..code-block::text
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├── config
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│ ├── packages
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│ └── routes
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│ ├── framework.yaml
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│ └── web_profiler.yaml
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├── src
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│ ├── Command
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│ ├── Controller
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│ │ └── DefaultController.php
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│ └── Kernel.php
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└── templates
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└── base.html.twig
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:method:`Symfony\\Component\\Console\\Helper\\TreeStyle::box`
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..code-block::text
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┃╸ config
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┃ ┃╸ packages
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┃ ┗╸ routes
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┃ ┃╸ framework.yaml
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┃ ┗╸ web_profiler.yaml
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┃╸ src
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┃ ┃╸ Command
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┃ ┃╸ Controller
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┃ ┃ ┗╸ DefaultController.php
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┃ ┗╸ Kernel.php
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┗╸ templates
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┗╸ base.html.twig
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:method:`Symfony\\Component\\Console\\Helper\\TreeStyle::doubleBox`
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..code-block::text
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╠═ config
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║ ╠═ packages
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║ ╚═ routes
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║ ╠═ framework.yaml
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║ ╚═ web_profiler.yaml
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╠═ src
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║ ╠═ Command
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║ ╠═ Controller
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║ ║ ╚═ DefaultController.php
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║ ╚═ Kernel.php
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╚═ templates
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╚═ base.html.twig
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:method:`Symfony\\Component\\Console\\Helper\\TreeStyle::compact`
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..code-block::text
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├ config
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│ ├ packages
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│ └ routes
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│ ├ framework.yaml
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│ └ web_profiler.yaml
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├ src
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│ ├ Command
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│ ├ Controller
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│ │ └ DefaultController.php
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│ └ Kernel.php
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└ templates
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└ base.html.twig
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:method:`Symfony\\Component\\Console\\Helper\\TreeStyle::light`
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..code-block::text
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|-- config
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| |-- packages
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| `-- routes
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| |-- framework.yaml
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| `-- web_profiler.yaml
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|-- src
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| |-- Command
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| |-- Controller
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| | `-- DefaultController.php
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| `-- Kernel.php
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`-- templates
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`-- base.html.twig
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:method:`Symfony\\Component\\Console\\Helper\\TreeStyle::minimal`
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..code-block::text
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. config
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. . packages
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. . routes
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. . framework.yaml
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. . web_profiler.yaml
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. src
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. . Command
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. . Controller
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. . . DefaultController.php
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. . Kernel.php
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. templates
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. base.html.twig
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:method:`Symfony\\Component\\Console\\Helper\\TreeStyle::rounded`
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..code-block::text
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├─ config
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│ ├─ packages
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│ ╰─ routes
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│ ├─ framework.yaml
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│ ╰─ web_profiler.yaml
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├─ src
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│ ├─ Command
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│ ├─ Controller
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│ │ ╰─ DefaultController.php
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│ ╰─ Kernel.php
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╰─ templates
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╰─ base.html.twig
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Making a Custom Tree Style
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~~~~~~~~~~~~~~~~~~~~~~~~~~
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You can create your own tree style by passing the characters to the constructor
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of the:class:`Symfony\\Component\\Console\\Helper\\TreeStyle` class::
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use Symfony\Component\Console\Helper\TreeHelper;
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use Symfony\Component\Console\Helper\TreeStyle;
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$customStyle = new TreeStyle('🟣 ', '🟠 ', '🔵 ', '🟢 ', '🔴 ', '🟡 ');
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// Pass the custom style to the createTree method
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$tree = TreeHelper::createTree($io, null, [
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'src' => [
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'Command',
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'Controller' => [
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'DefaultController.php',
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],
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'Kernel.php',
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],
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'templates' => [
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'base.html.twig',
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],
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], $customStyle);
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$tree->render();
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The above code will output the following tree:
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..code-block::text
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🔵 🟣 🟡 src
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🔵 🟢 🟣 🟡 Command
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🔵 🟢 🟣 🟡 Controller
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🔵 🟢 🟢 🟠 🟡 DefaultController.php
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🔵 🟢 🟠 🟡 Kernel.php
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🔵 🟠 🟡 templates
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🔵 🔴 🟠 🟡 base.html.twig

‎console/style.rst

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styled according to the Symfony Style Guide, which allows you to use
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features such as dynamically appending rows.
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:method:`Symfony\\Component\\Console\\Style\\SymfonyStyle::tree`
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It displays the given nested array as a formatted directory/file tree
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structure in the console output::
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$io->tree([
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'src' => [
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'Controller' => [
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'DefaultController.php',
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],
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'Kernel.php',
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],
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'templates' => [
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'base.html.twig',
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],
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]);
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..versionadded::7.3
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The ``SymfonyStyle::tree()`` and the ``SymfonyStyle::createTree()`` methods
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were introduced in Symfony 7.3.
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:method:`Symfony\\Component\\Console\\Style\\SymfonyStyle::createTree`
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Creates an instance of:class:`Symfony\\Component\\Console\\Helper\\TreeHelper`
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styled according to the Symfony Style Guide, which allows you to use
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features such as dynamically nesting nodes.
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:method:`Symfony\\Component\\Console\\Style\\SymfonyStyle::newLine`
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It displays a blank line in the command output. Although it may seem useful,
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most of the times you won't need it at all. The reason is that every helper

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