Updates a field value to the same value as the standard value but updates the field so it is no longer using the standard value

update-field-value-to-same-values-as-standard-value.ps1

$templateIds = 
'{565F2D63-1359-726C-AB77-F3DA34C90AD0}', 
'{3465B346-3B37-8E40-AB70-31E17F4F38H4}', 
'{78309E9F-49A6-91C9-9DC3-73F340CE6690}'

$global:usingStandardValues = 0
$global:notUsingStandardValues = 0
$global:updateContentTypeField = $false
$global:fieldName = "content type"

Write-Host "---Starting Update Content Types Script---" -ForegroundColor DarkCyan
Write-Host "Update Content Type Field Setting = $($global:updateContentTypeField)"
Write-Host "Getting Pages to update..."

$pages = Get-ChildItem -Path "/sitecore/content/Site1/Home" -Recurse | Where-Object {$templateIds -contains $_.TemplateID} 

foreach($page in $pages){
    $contentTypeId = $page["$($global:fieldName)"];
    $contentType = Get-Item -Path "master:/$($contentTypeId)";

    #check if field is using the standard values or not
    $contentTypeField = Get-ItemField -Item $page -ReturnType Field -Name "content type"

    if ($contentTypeField.ContainsStandardValue){
        
        $global:usingStandardValues +=1;
        Write-Host "$($page.Name) is using standard value - $($contentType.Name) ($($contentTypeId))." -ForegroundColor Yellow
        
        if($global:updateContentTypeField){
            
            New-UsingBlock (New-Object Sitecore.Data.BulkUpdateContext) {
                #temp update to temp item value to force "ContainsStandardValue" change
                $page.Editing.BeginEdit()
                $page["$($global:fieldName)"] = "{1F342E82-HF89-876D-92AF-63F05CBF2636}" #temp content type item
                $page.Editing.EndEdit() | Out-Null
                Write-Host "Content Type Updated To Temp Content Type Item: 1F342E82-HF89-876D-92AF-63F05CBF2636 - $($page.Paths.FullPath)" -ForegroundColor DarkGreen
            
                #now set it back to same content type value again
                $page.Editing.BeginEdit()
                $page["$($global:fieldName)"] = $contentTypeId
                $page.Editing.EndEdit() | Out-Null
                Write-Host "Content Type Updated To Content Type Item: $($contentType.Name) - $($contentTypeId)" -ForegroundColor Green
            }
        }
    }
    else{
        $global:notusingStandardValues +=1;
        Write-Host "$($page.Name) - is NOT using standard value - Skipping Page Item."  -ForegroundColor Magenta
    }
}

Write-Host "---Script Completed---" -ForegroundColor DarkCyan
Write-Host "-----------------------------------------"
Write-Host "Pages Using standard values for Content Type field: $($global:usingStandardValues)"
Write-Host "Pages Not using standard values for Content Type field: $($global:notUsingStandardValues)"