62 lines
1.5 KiB
PHP
62 lines
1.5 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Bridge\Doctrine\Form\DataTransformer;
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use Symfony\Component\Form\Exception\UnexpectedTypeException;
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use Symfony\Component\Form\DataTransformerInterface;
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use Doctrine\Common\Collections\Collection;
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use Doctrine\Common\Collections\ArrayCollection;
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/**
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* @author Bernhard Schussek <bschussek@gmail.com>
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*/
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class CollectionToArrayTransformer implements DataTransformerInterface
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{
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/**
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* Transforms a collection into an array.
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*
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* @param Collection $collection A collection of entities
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*
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* @return mixed An array of entities
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*/
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public function transform($collection)
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{
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if (null === $collection) {
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return array();
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}
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if (!$collection instanceof Collection) {
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throw new UnexpectedTypeException($collection, 'Doctrine\Common\Collections\Collection');
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}
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return $collection->toArray();
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}
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/**
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* Transforms choice keys into entities.
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*
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* @param mixed $array An array of entities
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*
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* @return Collection A collection of entities
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*/
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public function reverseTransform($array)
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{
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if ('' === $array || null === $array) {
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$array = array();
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} else {
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$array = (array) $array;
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}
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return new ArrayCollection($array);
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}
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}
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