Symfony\Component\HttpFoundation\FileBag::fixPhpFilesArray PHP Method

fixPhpFilesArray() protected method

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.
protected fixPhpFilesArray ( array $data ) : array
$data array
return array
    protected function fixPhpFilesArray($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 (array_keys($data['name']) as $key) {
            $files[$key] = $this->fixPhpFilesArray(array(
                'error'    => $data['error'][$key],
                'name'     => $data['name'][$key],
                'type'     => $data['type'][$key],
                'tmp_name' => $data['tmp_name'][$key],
                'size'     => $data['size'][$key]
            ));
        }

        return $files;
    }