Clear SharePoint Config Cache with PowerShell

Clear SharePoint Config Cache with PowerShell
Add-PSSnapin -Name Microsoft.SharePoint.PowerShell –erroraction SilentlyContinue

Stop-Service SPTimerV4
$folders = Get-ChildItem C:\ProgramData\Microsoft\SharePoint\Config
foreach ($folder in $folders)
{
$items = Get-ChildItem $folder.FullName -Recurse
foreach ($item in $items)
{
if ($item.Name.ToLower() -eq "cache.ini")
{
$cachefolder = $folder.FullName
}

}
}
$cachefolderitems = Get-ChildItem $cachefolder -Recurse
foreach ($cachefolderitem in $cachefolderitems)
{
if($cachefolderitem -like "*.xml")
{
$cachefolderitem.Delete()
}

}

$a = Get-Content $cachefolder\cache.ini
$a = 1
Set-Content $a -Path $cachefolder\cache.ini

read-host "Do this on all your SharePoint Servers - and THEN press ENTER"
start-Service SPTimerV4