<?php namespace Barryvdh\Elfinder;

class Elfinder{
    public static function checkAccess($attr, $path, $data, $volume) {
        return strpos(basename($path), '.') === 0       // if file/folder begins with '.' (dot)
            ? !($attr == 'read' || $attr == 'write')    // set read+write to false, other (locked+hidden) set to true
            :  null;                                    // else elFinder decide it itself
    }
}