function CreateBlankWebpartPage

{
    [CmdletBinding()]
    Param(
    [Parameter(Mandatory=$true,ValueFromPipeline=$true)]
    [string]$webUrl,
    [Parameter(Mandatory=$true)]
    [string]$WebPartPageName,
    [Parameter(Mandatory=$true)]
    [string]$WebPartPageLibraryName,
    [Parameter(Mandatory=$true)]
    [int]$pageLayout    )     

   Start-SPAssignment -Global 
    $spWeb = Get-SPWeb -Identity $webUrl   
    $pagesLibrary = $spWeb.Lists | Where { $_.Title -eq $WebPartPageLibraryName }  
    if ($pagesLibrary -eq $null) {
    Write-Host -f red "WebPart Page Library - $WebPartPageLibraryName  Not exists." 
    return  
    }
   
    Write-Host -f yellow "Creating New Webpart page $WebPartPageName in library $WebPartPageLibraryName"
    [Microsoft.SharePoint.SPFile]$spFile = $spWeb.GetFile("/" + $pagesLibrary.RootFolder.Url + "/" + $WebPartPageName + ".aspx")
    $flagConfirm = 'y'
    if($spFile.Exists -eq $true)
    {
        $flagConfirm = Read-Host "Page $WebPartPageName already exists in library $WebPartPageLibraryName, do you want to recreate(y/n)?"
    }
   
    if ($flagConfirm -eq 'y' -or $flagConfirm -eq 'Y')
    {
        Write-Host -NoNewLine -f yellow "Creating New Webpart page $WebPartPageName "

        $cmd ='<?xml version="1.0" encoding="UTF-8"?><Method ID="0,NewWebPage"><SetList Scope="Request">' + $pagesLibrary.ID + '</SetList><SetVar Name="Cmd">NewWebPage</SetVar><SetVar Name="ID">New</SetVar><SetVar Name="Type">WebPartPage</SetVar><SetVar Name="WebPartPageTemplate">' + $pageLayout + '</SetVar><SetVar Name="Overwrite">true</SetVar><SetVar Name="Title">'+ $WebPartPageName +'</SetVar></Method>';

        $spWeb.ProcessBatchData($cmd)
        write-host -f Green "...Success!"
        #Add weppart in Webpart page
   
        foreach($listItem in $pagesLibrary.Items)
        {
            if($($listitem.URL).Contains("$WebPartPageName" + ".aspx"))
            {           
                $myListItem = $listItem
                break;
            }
        }
        $pageUrl =  $($myListItem.URL)
        Write-Host -f yellow "New page Url -  $pageUrl"       
    }
    Stop-SPAssignment -Global 


}

$webUrl = "http://sever:port"
$WebPartPageLibraryName = "DocLib1"
$WebPartPageName =  "MyWPPage"
$pageLayout = 1
CreateBlankWebpartPage $webUrl  $WebPartPageName $WebPartPageLibraryName $pageLayout