$placeholderMappings = @(
@("/old-placeholder","/new-placeholder"),
@("/another-old-placeholder","/new-placeholder")
)
$rootItem = Get-Item -Path master:/sitecore/content/Home
$defaultLayout = Get-LayoutDevice "Default"
# Toggle for whether to update Shared or Final Layout
$useFinalLayout = $True
# If set to true, the script will only list the renderings that need fixing, rather than fixing them.
$reportOnly = $False
foreach ( $item in Get-ChildItem -Item $rootItem -Recurse )
{
# Only interested in items that have a layout
if (Get-Layout $item)
{
foreach( $mapping in $placeholderMappings )
{
# Get renderings in this item that have renderings in the placeholder we want to update
$renderings = Get-Rendering -Item $item -Placeholder ($mapping[0] + '/*') -Device $defaultLayout -FinalLayout:$useFinalLayout
foreach ( $rendering in $renderings )
{
# Only update the rendering if we're not in "Report Only" mode
if (!$reportOnly)
{
# Update the placeholder in the rendering and set it back in the item
$rendering.Placeholder = $rendering.Placeholder -replace $mapping[0], $mapping[1]
Set-Rendering -Item $item -Instance $rendering -FinalLayout:$useFinalLayout
}
Write-Host "$($item.FullPath) - Rendering $($rendering.UniqueID) - Placeholder: $($mapping[0]) --> $($mapping[1])"
}
}
}
}
Remove datasource from rendering
Example: The following removes a datasource from a rendering on the FinalLayout.