variant::__construct

(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)

variant::__construct — variant class constructor

public variant::__construct(mixed $value = null, int $type = VT_EMPTY, int $codepage = CP_ACP)

Constructs a new variant object.

value: Initial value. If omitted, or set to null an VT_EMPTY object is created.
type: Specifies the content type of the variant object. Possible values are one of the VT_XXX 预定义常量. PHP can detect parameters passed by reference automatically; they do not even need to be passed as variant objects. Consult the MSDN library for additional information on the VARIANT type.
codepage: Specifies the codepage that is used to convert strings to unicode. See the parameter of the same name in the com class for more information.

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