elFinder\elFinderVolumeLocalFileSystem::readlink PHP Method

    protected function readlink($path)
    {
        if (!($target = @readlink($path))) {
            return false;
        }
        if (substr($target, 0, 1) != DIRECTORY_SEPARATOR) {
            $target = dirname($path) . DIRECTORY_SEPARATOR . $target;
        }
        $atarget = realpath($target);
        if (!$atarget) {
            return false;
        }
        $root = $this->root;
        $aroot = $this->aroot;
        if ($this->_inpath($atarget, $this->aroot)) {
            return $this->_normpath($this->root . DIRECTORY_SEPARATOR . substr($atarget, strlen($this->aroot) + 1));
        }
        return false;
    }