Add Alternative Languages using PowerShell / Add Supported Languages using Powershell

Below is the script to Add Alternative Language to all SiteCollections in a WebApplication.

We have set English as Supported/ Alternative language if the site was created in other Language.

Site Locale code of en-us is 1033

cls

$webapp=Get-SPWebApplication   "http://sedwdevrtm:22222"

$sitecollection= $webapp.Sites.url

foreach($sites in $sitecollection)

{

$web =Get-SPWeb -Identity $sites

$webCul=$web.UICulture

try

{

    if($webCul.LCID -eq "1033")

    {

       Write-Host " English is Set as default Language so no need to change"

       

    }

    elseif ($webCul.LCID -ne "1033" -and $web.IsMultilingual -eq $false)

    {

        $web.IsMultilingual=$true

        $web.AddSupportedUICulture(1033)

        $web.Update()

        Write-Host $web "Alternative Language added Succesfully "

   

    }

   

    elseif($web.IsMultilingual -eq $true -and  !($web.SupportedUICultures.Contains(1033)) )

    

       {

          $web.AddSupportedUICulture(1033);

          $web.Update();

          Write-Host $web "Alternative Language added Succesfully "

        }

     

    

     $web.Dispose()

 }

catch

{

     $ErrorMessage = $_.Exception.Message

     Write-Host $web.Title "Not executed" $ErrorMessage

}

}