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[Config] Allow changing the path separator #9100

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javiereguiluz merged 1 commit into from
Jan 25, 2018
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[Config] Allow changing the path separator #9100

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42 changes: 42 additions & 0 deletions components/config/definition.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -788,6 +788,48 @@ A validation rule also requires a "then" part:
Usually, "then" is a closure. Its return value will be used as a new value
for the node, instead of the node's original value.

Configuring the Node Path Separator
-----------------------------------

.. versionadded:: 4.1
The option to configure the node path separator was introduced in Symfony 4.1.

Consider the following config builder example::

$treeBuilder = new TreeBuilder();
$rootNode = $treeBuilder->root('database');

$rootNode
->children()
->arrayNode('connection')
->children()
->scalarNode('driver')->end()
->end()
->end()
->end()
;

By default, the hierarchy of nodes in a config path is defined with a dot
character (``.``)::

// ...

$node = $treeBuilder->buildTree();
$children = $node->getChildren();
$path = $children['driver']->getPath();
// $path = 'database.connection.driver'

Use the ``setPathSeparator()`` method on the config builder to change the path
separator::

// ...

$treeBuilder->setPathSeparator('/');
$node = $treeBuilder->buildTree();
$children = $node->getChildren();
$path = $children['driver']->getPath();
// $path = 'database/connection/driver'

Processing Configuration Values
-------------------------------

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