AdminPageFramework_Utility_Path::getRelativePath PHP Метод

    public static function getRelativePath($from, $to)
    {
        $from = is_dir($from) ? rtrim($from, '\\/') . '/' : $from;
        $to = is_dir($to) ? rtrim($to, '\\/') . '/' : $to;
        $from = str_replace('\\', '/', $from);
        $to = str_replace('\\', '/', $to);
        $from = explode('/', $from);
        $to = explode('/', $to);
        $relPath = $to;
        foreach ($from as $depth => $dir) {
            if ($dir === $to[$depth]) {
                array_shift($relPath);
            } else {
                $remaining = count($from) - $depth;
                if ($remaining > 1) {
                    $padLength = (count($relPath) + $remaining - 1) * -1;
                    $relPath = array_pad($relPath, $padLength, '..');
                    break;
                } else {
                    $relPath[0] = './' . $relPath[0];
                }
            }
        }
        return implode('/', $relPath);
    }