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README.rst
Singleton.php

README.rst

Singleton

THIS IS CONSIDERED TO BE AN ANTI-PATTERN! FOR BETTER TESTABILITY AND MAINTAINABILITY USE DEPENDENCY INJECTION!

Purpose

To have only one instance of this object in the application that will handle all calls.

Examples

  • DB Connector
  • Logger
  • Lock file for the application (there is only one in the filesystem ...)

UML Diagram

Alt Singleton UML Diagram

Code

You can also find this code on GitHub

Singleton.php

.. literalinclude:: Singleton.php
   :language: php
   :linenos:

Test

Tests/SingletonTest.php

.. literalinclude:: Tests/SingletonTest.php
   :language: php
   :linenos:

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