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Example code of petrknap/singleton

Informations about the package singleton

Singleton pattern for PHP

Simple implementation of singleton (anti-)pattern.

Why use a singleton?

Because it can solve deadlocks and other problems. See this example:

You cannot create two instances at the same time with this code...

...so simply convert it into singleton...

...and use the same instance twice.

Run composer require petrknap/singleton to install it. You can support this project via donation. The project is licensed under the terms of the LGPL-3.0-or-later.

All versions of singleton with dependencies

PHP Build Version
Package Version
Requires php Version >=8.1
petrknap/shorts Version ^2.1
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