Migration from 2.x to 3.x: Shims

Shims ease migration as complete parts of the code, such as validation and other model property settings can be reused immediately without refactoring them right away.

See the Shim plugin for details.

Note: It does not hurt to have them, if you don't use them. The overhead is minimal.

Model

The following can be used in 3.x (mainly via Shim plugin support):

Table

$order property
$validate property
relations (hasX, belongsTo)
$displayField
$primaryKey
Timestamp behavior added by default (if modified or created exists)

Entity

Enums via enum() are ported in entity, if you used them before.

Component

Session

The session component of the core is deprecated and will throw a warning as it will soon be removed. Better use the plugin one right away. It is a 1:1 clone of it.

namespace App\Controller;

use Tools\Controller\Controller;

class AppController extends Controller {

	public $components = array('Shim.Session');

}

It also contains the new consume() method.

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