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1 <?php
2
3 /*
4 * This file is part of the Symfony package.
5 *
6 * (c) Fabien Potencier <fabien@symfony.com>
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12 namespace Symfony\Component\Form\Extension\Core\DataTransformer;
13
14 use Symfony\Component\Form\Exception\TransformationFailedException;
15
16 /**
17 * Transforms between a normalized format and a localized money string.
18 *
19 * @author Bernhard Schussek <bschussek@gmail.com>
20 * @author Florian Eckerstorfer <florian@eckerstorfer.org>
21 */
22 class MoneyToLocalizedStringTransformer extends NumberToLocalizedStringTransformer
23 {
24
25 private $divisor;
26
27 public function __construct($precision = null, $grouping = null, $roundingMode = null, $divisor = null)
28 {
29 if (null === $grouping) {
30 $grouping = true;
31 }
32
33 if (null === $precision) {
34 $precision = 2;
35 }
36
37 parent::__construct($precision, $grouping, $roundingMode);
38
39 if (null === $divisor) {
40 $divisor = 1;
41 }
42
43 $this->divisor = $divisor;
44 }
45
46 /**
47 * Transforms a normalized format into a localized money string.
48 *
49 * @param number $value Normalized number
50 *
51 * @return string Localized money string.
52 *
53 * @throws TransformationFailedException If the given value is not numeric or
54 * if the value can not be transformed.
55 */
56 public function transform($value)
57 {
58 if (null !== $value) {
59 if (!is_numeric($value)) {
60 throw new TransformationFailedException('Expected a numeric.');
61 }
62
63 $value /= $this->divisor;
64 }
65
66 return parent::transform($value);
67 }
68
69 /**
70 * Transforms a localized money string into a normalized format.
71 *
72 * @param string $value Localized money string
73 *
74 * @return number Normalized number
75 *
76 * @throws TransformationFailedException If the given value is not a string
77 * or if the value can not be transformed.
78 */
79 public function reverseTransform($value)
80 {
81 $value = parent::reverseTransform($value);
82
83 if (null !== $value) {
84 $value *= $this->divisor;
85 }
86
87 return $value;
88 }
89
90 }