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PHP namespaces

PHP reference for php namespaces.

Syntax

namespace App\Services;

class Mailer {}

Examples

PHP namespaces example

A focused example you can adapt while practising.

namespace App\Services;

class Mailer {}

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.

At a glance

Purpose
Server-side web applications
File extension
.php
Runs in
PHP runtime on a server or CLI
Usually used with
HTML, databases and web servers

Specifications & further reading

Related PHP documentation