Longhorn PHP 2019 Schedule


(PHP 5, PHP 7)

variant_idivConverts variants to integers and then returns the result from dividing them


variant_idiv ( mixed $left , mixed $right ) : mixed

Converts left and right to integer values, and then performs integer division.



The left operand.


The right operand.


对于所有变量运算函数,本函数的参数可以是 PHP 内置的类型(整数,字符串,浮点数,布尔型或者 NULL),或者是一个 COM,VARIANT 或者 DOTNET 类的实例。PHP 内置类型将会使用和构造VARIANT类相同的规则转换成变量。COM 和 DOTNET 对象的值将会取其默认属性并被当成变量值使用。

变量运算函数是同名函数在 COM 库中的外包;有关此类函数的更多信息参见 MSDN 库。PHP 函数命名有少许区别,例如 PHP 中的 variant_add() 对应于 MSDN 文档中的 VarAdd()


Variant Integer Division Rules
If Then
Both expressions are of the string, date, character, boolean type Division and integer is returned
One expression is a string type and the other a character Division
One expression is numeric and the other is a string Division
Both expressions are numeric Division
Either expression is NULL NULL is returned
Both expressions are empty A com_exception with code DISP_E_DIVBYZERO is thrown


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