PHP - Manual: variant_cast
2024-11-13
(PHP 5, PHP 7, PHP 8)
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.
variant
The variant.
type
type
should be one of the
VT_XXX
constants.
Returns a variant of given type
.
官方地址:https://www.php.net/manual/en/function.variant-cast.php