variant_idiv

(PHP 5, PHP 7, PHP 8)

variant_idiv — Converts variants to integers and then returns the result from dividing them

說明

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

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

參數

left

The left operand.

right

The right operand.

注意:

對于所有變量運算函數，本函數的參數可以是 PHP 內置的類型（整數，字符串，浮點數，布爾型或者 null），或者是一個 COM，VARIANT 或者 DOTNET 類的實例。PHP 內置類型將會使用和構造variant類相同的規(guī)則轉換成變量。COM 和 DOTNET 對象的值將會取其默認屬性并被當成變量值使用。

變量運算函數是同名函數在 COM 庫中的外包；有關此類函數的更多信息參見 MSDN 庫。PHP 函數命名有少許區(qū)別，例如 PHP 中的 variant_add() 對應于 MSDN 文檔中的 VarAdd()。

返回值

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

錯誤／異常

Throws a com_exception on failure.

參見