PHP arithmetic operators, php arithmetic operators_PHP tutorial

PHP arithmetic operator, php arithmetic operator

PHP arithmetic operator

运算符	名称	描述	实例	结果
x y	加	x 和 y 的和	2 2	4
x - y	减	x 和 y 的差	5 - 2	3
x * y	乘	x 和 y 的积	5 * 2	10
x / y	除	x 和 y 的商	15 / 5	3
x % y	模（除法的余数）	x 除以 y 的余数	5 % 2 10 % 8 10 % 2	1 2 0
- x	取反	x 取反	- 2
a . b	并置	连接两个字符串	"Hi" . "Ha"	HiHa

The following examples demonstrate different results obtained using different arithmetic operators:

<?php 
$x=10; 
$y=6;
echo ($x + $y); // 输出16
echo ($x - $y); // 输出4
echo ($x * $y); // 输出60
echo ($x / $y); // 输出1.6666666666667 
echo ($x % $y); // 输出4 
?>

Run

Related reading:

php strstr determines whether a string exists in another string

php stristr() function finds the first occurrence of a string in another string

php strchr() function finds the first occurrence of a string in another string

Detailed explanation of how to use php comparison function strncasecmp between two strings

php strcasecmp compares two strings for equality (compares the size of two strings)

http://www.bkjia.com/PHPjc/1129455.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/1129455.htmlTechArticlePHP arithmetic operator, php arithmetic operator PHP arithmetic operator operator name description instance result x y plus x and y The sum of 2 2 4 x - y minus the difference between x and y 5 - 2 3 x * y times the sum of x...