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87 office 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\DomCrawler\Field;
13  
14 /**
15 * InputFormField represents an input form field (an HTML input tag).
16 *
17 * For inputs with type of file, checkbox, or radio, there are other more
18 * specialized classes (cf. FileFormField and ChoiceFormField).
19 *
20 * @author Fabien Potencier <fabien@symfony.com>
21 */
22 class InputFormField extends FormField
23 {
24 /**
25 * Initializes the form field.
26 *
27 * @throws \LogicException When node type is incorrect
28 */
29 protected function initialize()
30 {
31 if ('input' !== $this->node->nodeName && 'button' !== $this->node->nodeName) {
32 throw new \LogicException(sprintf('An InputFormField can only be created from an input or button tag (%s given).', $this->node->nodeName));
33 }
34  
35 if ('checkbox' === strtolower($this->node->getAttribute('type'))) {
36 throw new \LogicException('Checkboxes should be instances of ChoiceFormField.');
37 }
38  
39 if ('file' === strtolower($this->node->getAttribute('type'))) {
40 throw new \LogicException('File inputs should be instances of FileFormField.');
41 }
42  
43 $this->value = $this->node->getAttribute('value');
44 }
45 }