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EDIT :: InputFormField.php

<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\DomCrawler\Field; /** * InputFormField represents an input form field (an HTML input tag). * * For inputs with type of file, checkbox, or radio, there are other more * specialized classes (cf. FileFormField and ChoiceFormField). * * @author Fabien Potencier <fabien@symfony.com> * * @api */ class InputFormField extends FormField { /** * Initializes the form field. * * @throws \LogicException When node type is incorrect */ protected function initialize() { if ('input' != $this->node->nodeName && 'button' != $this->node->nodeName) { throw new \LogicException(sprintf('An InputFormField can only be created from an input or button tag (%s given).', $this->node->nodeName)); } if ('checkbox' == $this->node->getAttribute('type')) { throw new \LogicException('Checkboxes should be instances of ChoiceFormField.'); } if ('file' == $this->node->getAttribute('type')) { throw new \LogicException('File inputs should be instances of FileFormField.'); } $this->value = $this->node->getAttribute('value'); } }

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