variant_cast
(PHP 5)
variant_cast — Convert a variant into a new variant object of another type
Description
     variant variant_cast
      ( variant $variant
     , int $type
     )
    This function makes a copy of variant and then performs a variant cast operation to force the copy to have the type given by type . type should be one of the VT_XXX constants.
This function wraps VariantChangeType() in the COM library; consult MSDN for more information.
See also variant_set_type().