In PHP, arithmetic operators perform mathematical operations on variables. Here are examples using four basic operators:
Addition (+): The sum of 10 and 5 is 15.
Subtraction (-): The difference between 10 and 5 is 5.
Multiplication (*): The product of 10 and 5 is 50.
Division (/): The quotient of 10 divided by 5 is 2.
These arithmetic operators are used for performing calculations in PHP, and they can be used with variables or literal values.