What is the calculation formula for addition, subtraction, multiplication and division in php

In PHP, you can use arithmetic operators to implement calculation formulas for addition, subtraction, multiplication and division. Arithmetic operators are used to operate on the values ​​on both sides of the symbol. The calculation formulas are "x y", "x - y", "x * y" and "x / y" respectively represent the sum, difference, product and quotient of two numbers.

The operating environment of this article: Windows 10 system, PHP version 7.1, Dell G3 computer.

What is the calculation formula for addition, subtraction, multiplication and division in php

PHP Arithmetic operators are similar to operators in mathematics, both have addition, subtraction, multiplication and division.

The most basic arithmetic operators

Add

Subtract -

Multiple *

Division/

Get The remaining %

examples are as follows:

<?php

$x = 100;

$y = 150;

echo ($x + $y)."<br>"; // 输出 250

echo ($x - $y)."<br>"; // 输出 -100

echo ($x * $y)."<br>"; // 输出 1500

echo ($x / $y)."<br>"; // 输出 0.6666666666667

echo ($x % $y); // 输出 1

?>

Output results:

Recommended learning: "PHP Video tutorial》

The above is the detailed content of What is the calculation formula for addition, subtraction, multiplication and division in php. For more information, please follow other related articles on the PHP Chinese website!