Re-Order the sharepoint site columns in content type using powershell script

PowerShell script to reorder the Sharepoint site content type columns:

$URL = "http://LocalHost/”

$site = New-Object Microsoft.SharePoint.SPSite($URL)

$web = $site.openweb()

$myCustomContentype=$web.ContentTypes["MySiteContentType"]

$newFieldOrder = @("Title","MyCOl1","MyCol3","FileLeafRef","MyCOl5","MyCol2")

$myCustomContentype.FieldLinks.Reorder($newFieldOrder)

$myCustomContentype.Update()

Name:  Only refer the Sharepoint internal names for reorder.  

Example: Internal name for “Title” is “FileLeafRef”