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算术操作符_PHP

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2016-06-01 12:39:51874browse

这些工作和基本的学校里教的内容相似。

Table 7-1. Arithmetic Operators(表7-1算术操作符)

example name result
$a + $b Addition Sum of $a and $b.?/FONT>
$a - $b Subtraction Remainder of $b subtracted from $a.?/FONT>
$a * $b Multiplication Product of $a and $b.?/FONT>
$a / $b Division Dividend of $a and $b.?/FONT>
$a % $b Modulus Remainder of $a divided by $b.

其中,除法操作符“/”返回一个整数值(整数除法的结果)如果两个操作数是整数(或者是被转化成整数的字符串)的话。如果任意一个操作数是浮点数,那么将进行浮点运算。


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