^^&&^^

Edit File: CacheRootSetupViewModel.php

<?php

/* * ******************************************
 * LiteSpeed web server Cache Manager
 * @author:   LiteSpeed Technologies, Inc. (https://www.litespeedtech.com)
 * @copyright: (c) 2018
 * ******************************************* */

namespace LsPanel\View\Model;

use \Lsc\Wp\Panel\ControlPanel;
use \Lsc\Wp\Context\Context;
use \Lsc\Wp\LSCMException;
use \Lsc\Wp\Logger;

class CacheRootSetupViewModel
{

const FLD_ICON = 'icon';
    const FLD_SVR_CACHE_ROOT = 'svr_cache_root';
    const FLD_VH_CACHE_ROOT = 'vh_cache_root';
    const FLD_MISSING = 'missing';
    const FLD_ERR_MSGS = 'errMsgs';

/**
     * @var ControlPanel
     */
    private $panelEnv;

/**
     * @var (boolean|string|string[])[]
     */
    private $tplData = array();

/**
     *
     * @param ControlPanel  $panelEnv
     */
    public function __construct( ControlPanel $panelEnv )
    {
        $this->panelEnv = $panelEnv;

$this->init();
    }

private function init()
    {
        $this->setIconPath();
        $this->setCacheRootData();
        $this->setErrMsgsData();
    }

/**
     *
     * @param string  $field
     * @return null|boolean|string|string[]
     */
    public function getTplData( $field )
    {
        if ( !isset($this->tplData[$field]) ) {
            return null;
        }

return $this->tplData[$field];
    }

private function setIconPath()
    {
        $iconPath = '';

try
        {
            $iconDir = Context::getOption()->getIconDir();
            $iconPath = "{$iconDir}/cacheRootSetup.svg";
        }
        catch ( LSCMException $e )
        {
            Logger::debug($e->getMessage() . ' Could not get icon directory.');
        }

$this->tplData[self::FLD_ICON] = $iconPath;
    }

private function setCacheRootData()
    {
        $missing = false;
        $svrCacheRoot = $this->panelEnv->getServerCacheRoot();
        $vhCacheRoot = $this->panelEnv->getVHCacheRoot();

if ( $svrCacheRoot != ControlPanel::NOT_SET ) {
            $svr = '  ' . htmlspecialchars(rtrim($svrCacheRoot, '/')) . '/  ';
        }
        else {
            $svr = 'not set!';
            $missing = true;
        }

$this->tplData[self::FLD_SVR_CACHE_ROOT] = $svr;

if ( $vhCacheRoot != ControlPanel::NOT_SET ) {
            $vh = '  ' . htmlspecialchars(rtrim($vhCacheRoot, '/'));

if ( $vhCacheRoot[0] != '/' ) {
                $vh .= '<b>*</b> ';
            }
        }
        else {
            $vh = 'not set!';
            $missing = true;
        }

$this->tplData[self::FLD_VH_CACHE_ROOT] = $vh;

$this->tplData[self::FLD_MISSING] = $missing;
    }

private function setErrMsgsData()
    {
        $errMsgs = Logger::getUiMsgs(Logger::UI_ERR);

$this->tplData[self::FLD_ERR_MSGS] = $errMsgs;
    }

/**
     *
     * @return string
     */
    public function getTpl()
    {
        return realpath(__DIR__ . '/../Tpl') . '/CacheRootSetup.tpl';
    }

}