Ultimate Sitecore Publishing Powershell Script

Publish.ps1

param (
    [Parameter(HelpMessage = "If ItemIds are specified, only that item will publish. The Item ID should be in the format of {110D559F-DEA5-42EA-9C1C-8A5DF7E70EF9}")]
    [string[]]
    $ItemIds = @(),

    [Parameter(HelpMessage = "Target Database name. e.g. Web")]
    [string[]]
    $TargetDatabases,

    [Parameter(HelpMessage = "All languages will publish unless explicitly specified")]
    [string[]]
    $Languages,

    [Parameter(HelpMessage = "Site Publish Mode")]
    [ValidateSet("Incremental", "Smart", "Republish")]
    [string]
    $PublishMode = "Incremental"
)

$ErrorActionPreference = 'Stop'

$database = Get-Database -Name "master"

$targets = $TargetDatabases
foreach($publishingTarget in [Sitecore.Publishing.PublishManager]::GetPublishingTargets($database)) {
    $targets += Get-Database -Name $publishingTarget[[Sitecore.FieldIDs]::PublishingTargetDatabase]
}

$languages = [Sitecore.Data.Managers.LanguageManager]::GetLanguages($database)

if ($ItemIds.length -gt 0)
{
    foreach($itemId in $ItemIds)
    {
        $item = Get-Item -Path "master:" -ID $ItemId

        # Item publish with children
        [Sitecore.Publishing.PublishManager]::PublishItem($item,$targets,$languages,$true,$true,$true)
    }
}
else {
    # All Items
    [Sitecore.Publishing.PublishManager]::PublishSmart($database,$targets,$languages)    
    [Sitecore.Publishing.PublishManager]::PublishIncremental($database,$targets,$languages)    
    [Sitecore.Publishing.PublishManager]::Republish($database,$targets,$languages)    
}