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1 | <?php | |
2 | ||
3 | namespace Wallabag\CoreBundle\Form\DataTransformer; | |
4 | ||
5 | use Doctrine\Common\Persistence\ObjectManager; | |
6 | use Symfony\Component\Form\DataTransformerInterface; | |
7 | use Symfony\Component\Form\Exception\TransformationFailedException; | |
8 | ||
9 | class StringToListTransformer implements DataTransformerInterface | |
10 | { | |
11 | private $separator; | |
12 | ||
13 | public function __construct($separator = ',') | |
14 | { | |
15 | $this->separator = $separator; | |
16 | } | |
17 | ||
18 | /** | |
19 | * Transforms a list to a string. | |
20 | * | |
21 | * @param array|null $list | |
22 | * | |
23 | * @return string | |
24 | */ | |
25 | public function transform($list) | |
26 | { | |
27 | if (null === $list) { | |
28 | return ''; | |
29 | } | |
30 | ||
31 | return implode($this->separator, $list); | |
32 | } | |
33 | ||
34 | /** | |
35 | * Transforms a string to a list. | |
36 | * | |
37 | * @param string $string | |
38 | * | |
39 | * @return array|null | |
40 | */ | |
41 | public function reverseTransform($string) | |
42 | { | |
43 | if (!$string) { | |
44 | return null; | |
45 | } | |
46 | ||
47 | return array_filter(array_map('trim', explode($this->separator, $string))); | |
48 | } | |
49 | } |