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PHP Basics

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Arithmetic Operators

5:43 with Alena Holligan

An operator is anything that takes one or more values and returns another value. We'll cover a number of different ways to add, subtract, multiply and divide values in PHP.

Documentation

Arithmetic Operators

Incrementing/Decrementing Operators

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    When we assign a value using an equal sign that was an assignment operator. 0:00
    When we added numbers using a plus symbol, that's an arithmetic operator. 0:04
    When we subtracted numbers using the minus symbol that's also an arithmetic operator. 0:09
    Besides the addition and 0:15
    subtraction operators, there are a few more operators we're going to use. 0:17
    So let's define a few variables and get started using some arithmetic operators. 0:21
    I'll start by defining a few more integers. 0:27

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