Get Items Count from Library/List from SiteCollection

############################################################
#Script to get all Library item count from the sitecollection and subsites
# Required Parameters:
#  -> $sUserName: User Name .
#  -> $sPassword: Password for the user.
#  -> $sDomain: AD Domain for the user.
#  -> $sSiteColUrl: Site Collection Url.
##########################################################

$host.Runspace.ThreadOptions = "ReuseThread"

#To get all Library item count from the sitecollection and subsites
function Get-SPAllDocCountInSiteCol
{



    param ($sSiteColUrl,$sUserName,$sDomain,$sPassword)
    try
    {  Clear-Host ""
        Write-Host "------------------------------------------------------------"  -foregroundcolor Gray
        Write-Host "Getting all Library/List Item count in a SharePoint Site" -foregroundcolor Gray
        Write-Host "-----------------------------------------------------------"  -foregroundcolor Gray
   
     $OpFilePath="Result.csv"
        #Adding the Client Object Model Assemblies  
        Add-Type -Path "Microsoft.SharePoint.Client.dll"
        Add-Type -Path "Microsoft.SharePoint.Client.Runtime.dll"

        #SPO Client Object Model Context
        $spContext = New-Object Microsoft.SharePoint.Client.ClientContext($sSiteColUrl)
        $spCredentials = New-Object System.Net.NetworkCredential($sUserName,$sPassword,$sDomain)
        $spContext.Credentials = $spCredentials

        #Root Web Site
        $spRootWebSite = $spContext.Web
        #Collecction of Sites under the Root Web Site
        $spSites = $spRootWebSite.Webs

        #Loading Operations
     
        $spContext.Load($spRootWebSite)
        $spContext.Load($spSites)

        #Get All Library and List from Root Site
        $spRootWebLists=$spRootWebSite.Lists
        #Loading Operations
        $spContext.Load($spRootWebLists)
        #QueryExecution
        $spContext.ExecuteQuery()

        #Delete File if Exists
        If(Test-Path $OpFilePath){
        Remove-Item $OpFilePath
        }

        $text =    "Site Title,Site URL ,Library/List Name ,Type,Items Count ,OverAll Count "
        #Create New File
        $text | Set-Content $OpFilePath
       

        $fCount=0

        #Print Statement
        Write-Host $spRootWebSite.Title " - " $spRootWebSite.Url -ForegroundColor Cyan
        Write-Host "------------------------------------------"  -ForegroundColor Magenta

        #Append the content into File
        $text =    $spRootWebSite.Title +","+ $spRootWebSite.Url+", , , , "
        $text | Add-Content $OpFilePath

        #We need to iterate through the $spRootWebLists Object in order to get individual Library/List information
        foreach($spRootWeblist in $spRootWebLists)
        {
            #Item Count for each Library
            Write-Host $spRootWeblist.Title " - " $spRootWeblist.ItemCount  -ForegroundColor Green
            #Sum of each Library Item Count
            $fCount=$fCount+$spRootWeblist.ItemCount
            #Append the content into File
            $text =   " , , "+ $spRootWeblist.Title +","+$spRootWeblist.BaseType+" ,"+ $spRootWeblist.ItemCount+", "
            $text | Add-Content $OpFilePath
        }
        #Overall Item Count from the Site
        Write-Host "OverAll Count : " $fCount -ForegroundColor White
        #Append the content into File
        $text =   " , , , , , "+$fCount
        $text | Add-Content $OpFilePath
           
        Write-Host "============================================="  -ForegroundColor Yellow


       #We need to iterate through the $spSites Object in order to get individual sites information
        foreach($spSite in $spSites){
            Write-Host $spSite.Title " - " $spSite.Url -ForegroundColor Cyan
            Write-Host "------------------------------------------"  -ForegroundColor Magenta
            #Append the content into File
            $text =    $spSite.Title +","+ $spSite.Url+", , , , "
            $text | Add-Content $OpFilePath

            #Get All Library and List from the Site
            $spLists=$spSite.Lists
       
            #Loading Operations
            $spContext.Load($spLists)
            #QueryExecution
            $spContext.ExecuteQuery()
            $fCount=0

            #We need to iterate through the $spRootWebLists Object in order to get individual Library/List information
            foreach($splist in $spLists)
            {
                #Item Count for each Library
                Write-Host $splist.Title " - " $splist.ItemCount  -ForegroundColor Green
                #Sum of each Library Item Count
                $fCount=$fCount+$splist.ItemCount
                #Append the content into File
                $text =   " , , "+ $splist.Title +","+$spRootWeblist.BaseType+" ,"+ $splist.ItemCount+", "
                $text | Add-Content $OpFilePath
            }
            Write-Host "OverAll Count : " $fCount -ForegroundColor White
            Write-Host "============================================="  -ForegroundColor Yellow
            #Append the content into File
            $text =   " , , , , , "+$fCount
            $text | Add-Content $OpFilePath
        }
        $spContext.Dispose()

   
    }
    catch [System.Exception]
    {
        write-host -f red $_.Exception.ToString()
    }  
}

#Required Parameters
$sSiteColUrl = "https://www.sample.com"
$sUserName = "username"
$sDomain="domainName"
$sPassword ="Password"


Get-SPAllDocCountInSiteCol -sSiteColUrl $sSiteColUrl -sUserName $sUsername -sDomain $sDomain -sPassword $sPassword