Powershell script to get site Title, Site Owner, Site user count and usage

Add-PSSnapin microsoft.sharepoint.powershell -ErrorAction SilentlyContinue$wburl = Read-Host "Enter Web application URL "$webApp = Get-SPWebApplication $wburl$outputPath =Read-Host "Enter path to save results "Add-Content -Path $outputPath -Value "Site Title,Site URL, Site Owner, UserCount,Usage in MB"foreach ($SiteCollection in $webApp.Sites){$url = $SiteCollection.Url$webs = Get-SPWeb $URL[boolean] $WriteToFile = $true$weburl = $SiteCollection.OpenWeb()$siteowner = ""foreach ($siteAdmin in $weburl.SiteAdministrators){$siteowner = $siteAdmin.LoginName + "|" + $siteowner}foreach($web in $webs){#Grab all users in the site collections$siteUserCnt = $web.AllUsers.Count$Siteurl = $web.Url$siteTitle = $web.Title$site = Get-SPSite  $Siteurl$siteusage = $site.Usage.Storage/1MBAdd-Content -Path $outputPath -Value "$siteTitle,$Siteurl,$siteowner,$siteUserCnt,$siteusage"$web.Dispose()}}