array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'zh', ), 'this' => array ( 0 => 'function.variant-div.php', 1 => 'variant_div', ), 'up' => array ( 0 => 'ref.com.php', 1 => 'COM 函数', ), 'prev' => array ( 0 => 'function.variant-date-to-timestamp.php', 1 => 'variant_date_to_timestamp', ), 'next' => array ( 0 => 'function.variant-eqv.php', 1 => 'variant_eqv', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/com/functions/variant-div.xml', ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); ?>
(PHP 5, PHP 7, PHP 8)
variant_div — Returns the result from dividing two variants
left
The left operand.
right
The right operand.
注意:
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()
。
If | Then |
---|---|
Both expressions are of the string, date, character, boolean type | Double is returned |
One expression is a string type and the other a character | Division and a double is returned |
One expression is numeric and the other is a string | Division and a double is returned. |
Both expressions are numeric | Division and a double is returned |
Either expression is NULL | NULL is returned |
right is empty and
left is anything but empty |
A com_exception with code DISP_E_DIVBYZERO
is thrown |
left is empty and
right is anything but empty. |
0 as type double is returned |
Both expressions are empty | A com_exception with code DISP_E_OVERFLOW
is thrown |
Throws a com_exception on failure.