diff options
Diffstat (limited to 'vendor/symfony/form/Symfony/Component/Form/Util/FormUtil.php')
-rw-r--r-- | vendor/symfony/form/Symfony/Component/Form/Util/FormUtil.php | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/vendor/symfony/form/Symfony/Component/Form/Util/FormUtil.php b/vendor/symfony/form/Symfony/Component/Form/Util/FormUtil.php new file mode 100644 index 00000000..7647691e --- /dev/null +++ b/vendor/symfony/form/Symfony/Component/Form/Util/FormUtil.php | |||
@@ -0,0 +1,42 @@ | |||
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\Util; | ||
13 | |||
14 | /** | ||
15 | * @author Bernhard Schussek <bschussek@gmail.com> | ||
16 | */ | ||
17 | class FormUtil | ||
18 | { | ||
19 | /** | ||
20 | * This class should not be instantiated | ||
21 | */ | ||
22 | private function __construct() {} | ||
23 | |||
24 | /** | ||
25 | * Returns whether the given data is empty. | ||
26 | * | ||
27 | * This logic is reused multiple times throughout the processing of | ||
28 | * a form and needs to be consistent. PHP's keyword `empty` cannot | ||
29 | * be used as it also considers 0 and "0" to be empty. | ||
30 | * | ||
31 | * @param mixed $data | ||
32 | * | ||
33 | * @return Boolean | ||
34 | */ | ||
35 | public static function isEmpty($data) | ||
36 | { | ||
37 | // Should not do a check for array() === $data!!! | ||
38 | // This method is used in occurrences where arrays are | ||
39 | // not considered to be empty, ever. | ||
40 | return null === $data || '' === $data; | ||
41 | } | ||
42 | } | ||