(PHP 5, PHP 7)
variant_cast — Convert a variant into a new variant object of another 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.
  
This function wraps VariantChangeType() in the COM library; consult MSDN for more information.
variantThe variant.
type
       type should be one of the
       VT_XXX constants.
      
   Returns a variant of given type.