Last Access Date or Last Modified Date

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# Title: LastModifiedDate.ps1      
# Created By : Suresh Kumar Durairaj
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#region Addins
if((Get-PSSnapin | Where {$_.Name -eq "Microsoft.SharePoint.PowerShell"}) -eq $null)            
{          
 Add-PSSnapin Microsoft.SharePoint.PowerShell          
}
[System.Reflection.Assembly]::LoadWithPartialName("Microsoft.Publishing")
[System.Reflection.Assembly]::LoadWithPartialName("System")
[System.Reflection.Assembly]::LoadWithPartialName("System.IO")

#endregion

#region Log
$fileName = "LastAccessDateScript"
$logdatetime=Get-Date -Format "MM-dd-yyyy_hh-mm-ss"
$logFileName = $fileName +"_" +$logdatetime+ "_Log.txt"  
$invocation = (Get-Variable MyInvocation).Value
$directoryPath = Split-Path $invocation.MyCommand.Path

$logPath = $directoryPath + "\" + $logFileName
$CSVPath= $directoryPath + "\" +$fileName +"_" +$logdatetime+".csv"
$isLogFileCreated = $False  
 
function Write-Log([string]$logMsg)
{  
    if(!$isLogFileCreated){  
        Write-Host "Creating Log File..."  
        if(!(Test-Path -path $directoryPath))
        {
            Write-Host "Please Provide Proper Log Path" -ForegroundColor Red  
        }  
        else  
        {  
            $script:isLogFileCreated = $True  
            Write-Host "Log File ($logFileName) Created..."  
            [string]$logMessage = [System.String]::Format("[$(Get-Date)] - {0}", $logMsg)  
            Add-Content -Path $logPath -Value $logMessage  
        }  
    }  
    else  
    {  
        [string]$logMessage = [System.String]::Format("[$(Get-Date)] - {0}", $logMsg)  
        Add-Content -Path $logPath -Value $logMessage  
    }  
}  

#endregion


# Declare an array to collect our result objects
$resultsarray =@()


$farm = [Microsoft.SharePoint.Administration.SPFarm]::Local
$farmWebServices = $farm.Services | where -FilterScript {$_.GetType() -eq [Microsoft.SharePoint.Administration.SPWebService]}
foreach ($farmWebService in $farmWebServices) {
  foreach ($webApplication in $farmWebService.WebApplications) {
Write-Log( "WebApplication Url:: "+ $webApplication.Name)
Write-Log("=======================================================")
    foreach ($site in $webApplication.Sites)
    {

$contactObject = new-object PSObject
$sitecollectionOwners=$null
$sitecollectionOwners = $site.RootWeb.SiteAdministrators
     $scas = ""
 if($sitecollectionOwners)
 {
     foreach ($siteAdmin in $sitecollectionOwners.Users)
     {
       $scas = $siteAdmin.LoginName + "; " + $scas
     }
 }
 if([string]::IsNullOrEmpty($scas) )
 {
  $scas=$site.Owner.Name
 }
#Logging the data
Write-Log( "Site Url:: "+ $site.Url)
Write-Log( "Site Owner::" + $scas)
        Write-Log( "Modified Date::"+ $site.LastContentModifiedDate)



        # Add our data to $contactObject as attributes using the add-member commandlet
$contactObject | add-member -membertype NoteProperty -name "Site Url" -Value $site.Url
$contactObject | add-member -membertype NoteProperty -name "Site Owner" -Value $scas
$contactObject | add-member -membertype NoteProperty -name "Modified Date" -Value $site.LastContentModifiedDate
$resultsarray += $contactObject    
 

 if($site.AllWebs.Count -gt 0)
 {
 foreach ($subsite in $site.AllWebs)
     {
  $siteowner=""
           $siteOwners = $subsite.AssociatedOwnerGroup
           if($siteOwners)
           {
               foreach ($owner in $subsite.Users)
               {

$siteowner=$owner.Name+";"+$siteowner

               }
           }
 if([string]::IsNullOrEmpty($siteowner) )
 {
  $siteowner=$site.Owner.Name
 }

#Logging the data
Write-Log( "Site Url:: "+ $site.Url)
Write-Log( "Site Owner" + $scas)
       Write-Log( "Modified Date"+ $site.LastContentModifiedDate)

$contactObject = new-object PSObject
         
# Add our data to $contactObject as attributes using the add-member commandlet
$contactObject | add-member -membertype NoteProperty -name "Site Url" -Value $subsite.Url
$contactObject | add-member -membertype NoteProperty -name "Site Owner" -Value $siteowner
$contactObject | add-member -membertype NoteProperty -name "Modified Date" -Value $subsite.LastItemModifiedDate
# Save the current $contactObject by appending it to $resultsArray ( += means append a new element to ‘me’)
$resultsarray += $contactObject                      

 }


 }



 $resultsarray| Export-csv $CSVPath -notypeinformation
      $site.Dispose()
Write-Log("=======================================================")
    }
  }
}

#region Remove addins
Remove-PsSnapin Microsoft.SharePoint.PowerShell
#endregion