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PHP function definitions

PHP reference for php function definitions.

Syntax

function greet(string $name): string {
  return "Hello, $name!";
}

Examples

PHP function definitions example

A focused example you can adapt while practising.

function greet(string $name): string {
  return "Hello, $name!";
}

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