Codectionary / Developer documentation / PHP

PHP arithmetic operators

PHP reference for php arithmetic operators.

Syntax

$total = 7 + 3;
$remainder = 7 % 3;

Examples

PHP arithmetic operators example

A focused example you can adapt while practising.

$total = 7 + 3;
$remainder = 7 % 3;

Best practices

  • Start with the smallest working example, then adapt it to your project.
  • Use the language’s standard library and idioms before introducing extra dependencies.

Runtime & versions

PHP runtime on a server or CLI. Feature availability depends on the language and runtime version used by your project; consult the official reference below.

PHP Manual

Specifications & further reading