Assume there were 8 columns. s is array of 8 width.
PHP Code: 
Option Explicit
Sub test
()
Dim si&
= Array(208101112131415' assume there were 8 widths of 8 columns
    For i = 0 To UBound(s) - 1
        Cells(1, i + 1).ColumnWidth = s(i)
    Next
End Sub