Codectionary / Developer documentation / PHP

PHP constants

PHP reference for php constants.

Syntax

const MAX_RETRIES = 3;
define("APP_NAME", "Codectionary");

Examples

PHP constants example

A focused example you can adapt while practising.

const MAX_RETRIES = 3;
define("APP_NAME", "Codectionary");

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