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docs: update "Upgrading from 3.x to 4.x" Routing for v4.2 #6074

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Jun 5, 2022
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docs: update "Upgrading from 3.x to 4.x" Routing for v4.2 #6074

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6 changes: 6 additions & 0 deletions user_guide_src/source/installation/upgrade_4xx.rst
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Expand Up @@ -55,6 +55,12 @@ Application Structure
- There is no longer a nested **application/core** folder, as we have
a different mechanism for extending framework components (see below).

Routing
=======

- The Auto Routing is disabled by default. If you want to use the Auto Routing in the same way as CI3, you need to enable :ref:`auto-routing`.
- CI4 also has an optional new more secure :ref:`auto-routing-improved`.

Model, View and Controller
==========================

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7 changes: 6 additions & 1 deletion user_guide_src/source/installation/upgrade_routing.rst
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Expand Up @@ -13,11 +13,16 @@ Documentations

What has been changed
=====================

- In CI4 the Auto Routing is disabled by default.
- In CI4 the new more secure :ref:`auto-routing-improved` is introduced.
- In CI4 the routing is no longer configured by setting the routes as array.

Upgrade Guide
=============
1. You have to change the syntax of each routing line and append it in **app/Config/Routes.php**. For example:

1. If you use the Auto Routing in the same way as CI3, you need to enable :ref:`auto-routing`.
2. You have to change the syntax of each routing line and append it in **app/Config/Routes.php**. For example:

- ``$route['journals'] = 'blogs';`` to ``$routes->add('journals', 'Blogs::index');``. This would map to the ``index()`` method in the ``Blogs`` controller.
- ``$route['product/(:any)'] = 'catalog/product_lookup';`` to ``$routes->add('product/(:any)', 'Catalog::productLookup');``
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