Entity listeners that are services must be registered with the entity listener resolver. You can tag your entity listeners and they will automatically be added to the resolver. Use the entity_manager attribute to specify which entity manager it should be registered with. Example:
services:
user_listener:
class: \UserListener
tags:
- { name: doctrine.orm.entity_listener }
-
name: doctrine.orm.entity_listener
event: preUpdate
entity: App\Entity\User
entity_manager: custom
<?xml version="1.0" ?>
<container xmlns="http://symfony.com/schema/dic/services"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<services>
<service id="user_listener" class="UserListener">
<tag name="doctrine.orm.entity_listener" event="preUpdate" entity="App\Entity\User" />
<tag
name="doctrine.orm.entity_listener"
event="preUpdate"
entity="App\Entity\User"
entity_manager="custom"
/>
</service>
</services>
</container>
If you use a version of doctrine/orm < 2.5 you have to register the entity listener in your entity as well:
<?php
// User.php
use Doctrine\ORM\Mapping as ORM;
/**
* @ORM\Entity
* @ORM\EntityListeners({"UserListener"})
*/
class User
{
// ....
}
See also https://www.doctrine-project.org/projects/doctrine-orm/en/latest/reference/events.html#entity-listeners for more info on entity listeners and the resolver required by Symfony.