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- <?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\HttpFoundation;
- use Symfony\Component\HttpFoundation\File\UploadedFile;
- /**
- * FileBag is a container for uploaded files.
- *
- * @author Fabien Potencier <fabien@symfony.com>
- * @author Bulat Shakirzyanov <mallluhuct@gmail.com>
- */
- class FileBag extends ParameterBag
- {
- private static $fileKeys = array('error', 'name', 'size', 'tmp_name', 'type');
- /**
- * Constructor.
- *
- * @param array $parameters An array of HTTP files
- */
- public function __construct(array $parameters = array())
- {
- $this->replace($parameters);
- }
- /**
- * {@inheritdoc}
- */
- public function replace(array $files = array())
- {
- $this->parameters = array();
- $this->add($files);
- }
- /**
- * {@inheritdoc}
- */
- public function set($key, $value)
- {
- if (!is_array($value) && !$value instanceof UploadedFile) {
- throw new \InvalidArgumentException('An uploaded file must be an array or an instance of UploadedFile.');
- }
- parent::set($key, $this->convertFileInformation($value));
- }
- /**
- * {@inheritdoc}
- */
- public function add(array $files = array())
- {
- foreach ($files as $key => $file) {
- $this->set($key, $file);
- }
- }
- /**
- * Converts uploaded files to UploadedFile instances.
- *
- * @param array|UploadedFile $file A (multi-dimensional) array of uploaded file information
- *
- * @return array A (multi-dimensional) array of UploadedFile instances
- */
- protected function convertFileInformation($file)
- {
- if ($file instanceof UploadedFile) {
- return $file;
- }
- $file = $this->fixPhpFilesArray($file);
- if (is_array($file)) {
- $keys = array_keys($file);
- sort($keys);
- if ($keys == self::$fileKeys) {
- if (UPLOAD_ERR_NO_FILE == $file['error']) {
- $file = null;
- } else {
- $file = new UploadedFile($file['tmp_name'], $file['name'], $file['type'], $file['size'], $file['error']);
- }
- } else {
- $file = array_map(array($this, 'convertFileInformation'), $file);
- }
- }
- return $file;
- }
- /**
- * Fixes a malformed PHP $_FILES array.
- *
- * PHP has a bug that the format of the $_FILES array differs, depending on
- * whether the uploaded file fields had normal field names or array-like
- * field names ("normal" vs. "parent[child]").
- *
- * This method fixes the array to look like the "normal" $_FILES array.
- *
- * It's safe to pass an already converted array, in which case this method
- * just returns the original array unmodified.
- *
- * @param array $data
- *
- * @return array
- */
- protected function fixPhpFilesArray($data)
- {
- if (!is_array($data)) {
- return $data;
- }
- $keys = array_keys($data);
- sort($keys);
- if (self::$fileKeys != $keys || !isset($data['name']) || !is_array($data['name'])) {
- return $data;
- }
- $files = $data;
- foreach (self::$fileKeys as $k) {
- unset($files[$k]);
- }
- foreach ($data['name'] as $key => $name) {
- $files[$key] = $this->fixPhpFilesArray(array(
- 'error' => $data['error'][$key],
- 'name' => $name,
- 'type' => $data['type'][$key],
- 'tmp_name' => $data['tmp_name'][$key],
- 'size' => $data['size'][$key],
- ));
- }
- return $files;
- }
- }
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