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minor#8318 Update events.rst (atailouloute)

This PR was submitted for the 2.8 branch but it was merged into the 2.7 branch instead (closes#8318).Discussion----------Update events.rstCommits-------b59990c Update events.rst

2 parentsb8dcdf9 +b59990c commitf663f52Copy full SHA for f663f52

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Original file line number	Diff line number	Diff line change
`@@ -312,6 +312,11 @@ callback for better readability::`
`312`	`312`	`// src/AppBundle/Form/SubscriptionType.php`
`313`	`313`	`namespace AppBundle\Form;`
`314`	`314`
	`315`	`+ use Symfony\Component\Form\Extension\Core\Type\TextType;`
	`316`	`+ use Symfony\Component\Form\Extension\Core\Type\CheckboxType;`
	`317`	`+ use Symfony\Component\Form\FormEvent;`
	`318`	`+ use Symfony\Component\Form\FormEvents;`
	`319`	`+`
`315`	`320`	`// ...`
`316`	`321`	`class SubscriptionType extends AbstractType`
`317`	`322`	`{`
`@@ -397,6 +402,9 @@ Event subscribers have different uses:`
`397`	`402`	To register the event subscriber, use the ``addEventSubscriber()`` method::
`398`	`403`
`399`	`404`	`use AppBundle\Form\EventListener\AddEmailFieldListener;`
	`405`	`+ use Symfony\Component\Form\Extension\Core\Type\TextType;`
	`406`	`+ use Symfony\Component\Form\Extension\Core\Type\CheckboxType;`
	`407`	`+`
`400`	`408`	`// ...`
`401`	`409`
`402`	`410`	`$form = $formFactory->createBuilder()`

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Commitf663f52

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`‎form/events.rst‎`

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