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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Form\Extension\Core\EventListener;
use Symfony\Component\Form\FormEvents;
use Symfony\Component\Form\FormEvent;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
/**
* Trims string data
*
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class TrimListener implements EventSubscriberInterface
{
public function preSubmit(FormEvent $event)
{
$data = $event->getData();
if (!is_string($data)) {
return;
}
if (null !== $result = @preg_replace('/^[\pZ\p{Cc}]+|[\pZ\p{Cc}]+$/u', '', $data)) {
$event->setData($result);
} else {
$event->setData(trim($data));
}
}
/**
* Alias of {@link preSubmit()}.
*
* @deprecated Deprecated since version 2.3, to be removed in 3.0. Use
* {@link preSubmit()} instead.
*/
public function preBind(FormEvent $event)
{
$this->preSubmit($event);
}
public static function getSubscribedEvents()
{
return array(FormEvents::PRE_SUBMIT => 'preSubmit');
}
}
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