간단한 질문인데 답변 부탁드립니다.

<?php            ),?><?class UploadHandler{    protected $options;    // PHP File Upload error message codes:    // http://php.net/manual/en/features.file-upload.errors.php    protected $error_messages = array(        1 => 'The uploaded file exceeds the upload_max_filesize directive in php.ini',        2 => 'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form',        3 => 'The uploaded file was only partially uploaded',        4 => 'No file was uploaded',        6 => 'Missing a temporary folder',        7 => 'Failed to write file to disk',        8 => 'A PHP extension stopped the file upload',        'post_max_size' => 'The uploaded file exceeds the post_max_size directive in php.ini',        'max_file_size' => 'File is too big',        'min_file_size' => 'File is too small',        'accept_file_types' => 'Filetype not allowed',        'max_number_of_files' => 'Maximum number of files exceeded',        'max_width' => 'Image exceeds maximum width',        'min_width' => 'Image requires a minimum width',        'max_height' => 'Image exceeds maximum height',        'min_height' => 'Image requires a minimum height'    );    protected $image_objects = array();    function __construct($options = null, $initialize = true, $error_messages = null) {  //alert(get_full_url());        $this->options = array(            'script_url' => $this->get_full_url().'/',            'upload_dir' => dirname($this->get_server_var('SCRIPT_FILENAME')).'/files/',            //'upload_dir' => dirname($this->get_server_var('SCRIPT_FILENAME')).'/'.$member['mb_id'].'/',            'upload_url' => $this->get_full_url().'/files/',            'user_dirs' => false,            'mkdir_mode' => 0777,            'param_name' => 'files',            // Set the following option to 'POST', if your server does not support            // DELETE requests. This is a parameter sent to the client:            'delete_type' => 'POST',            'access_control_allow_origin' => '*',            'access_control_allow_credentials' => false,            'access_control_allow_methods' => array(                'OPTIONS',                'HEAD',                'GET',                'POST',                'PUT',                'PATCH',                'DELETE'            ),            'access_control_allow_headers' => array(                'Content-Type',                'Content-Range',                'Content-Disposition'            ),​