gistfile1.php

<?php

class UploadManager {

    public $fields = array();

    public function __construct() {
        $this->fields = $this->parse($_FILES);
    }

    protected function parse($fields) {
        $result = array();
        foreach($this->uglify($fields) as $fieldName => $fieldValues) {
            foreach($fieldValues as $name => $values) {
                foreach($values as $index => $value) {
                    $result[$fieldName][$index][$name] = $value;
                }
            }
        }
        return $result;
    }

    protected function uglify($fields) {
        foreach($fields as $fieldName => $fieldValues) {
            foreach($fieldValues as $name => $value) {
                if(!is_array($value)) {
                    $fields[$fieldName][$name] = array($value);
                }
            }
        }
        return $fields;
    }

    public function getFiles($name) {
        if(!array_key_exists($name, $this->fields)) {
            return array();
        }
        return $this->fields[$name];
    }

    public function getFile($name) {
        $files = $this->getFiles($name);
        return array_shift($files);
    }

}