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	1. True Singleton Class		singleton

Supplied by: sourav ray <e-mail contact>

PHP implementation of the singleton design pattern

In software engineering, a design pattern is a general solution to a common problem in software design. One of these design patterns is called the Singleton. It's purpose can be described quite briefly as follows:

Ensure a class has only one instance and provide a global point of access to it.

It achieves this by only creating a new instance the first time it is referenced, and thereafter it simply returns the handle to the existing instance.

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sTonClass is a base class that implements the singleton design pattern.

The class can only be instantiated using a static function that assures that there is only one object of that class.

If the class was already instantiated, it returns a reference to the previously created class object.

The class also provides functions for store, retrieving and deleting object properties.

Ratings	Utility	Consistency	Documentation	Examples	Tests	Videos	Overall	Rank
All time:	`Sufficient (68.8%)`	`Sufficient (62.5%)`	`-`	`Sufficient (75.0%)`	`-`	`-`	`Not sure (48.1%)`	1604
Month:	Not yet rated by the users

	2. Simple Singleton and Multiton Class		singleton

Supplied by: Andrei Alexandru <e-mail contact>

Create and manage one or more singleton objects

This package can be used to create and manage one or more singleton objects.

There is one class that can manage one singleton object, assuring that only one instance of the class is created.

Another class can manage multiple singleton objects which are distinguished by name.

Ratings	Utility	Consistency	Documentation	Examples	Tests	Videos	Overall	Rank
All time:	`Sufficient (66.7%)`	`Sufficient (75.0%)`	`-`	`Not sure (58.3%)`	`-`	`-`	`Not sure (46.7%)`	1681
Month:	Not yet rated by the users

	3. singleton		singleton

Supplied by: Haruki Setoyama <e-mail contact>

Singleton class manager

This class makes it easy to instanciate and manipulate singleton classes.

A singleton class assures that only one object of the class exists at one time. Multiple attempts to create an object of a singleton class return always the same class instance.

Ratings	Utility	Consistency	Documentation	Examples	Tests	Videos	Overall	Rank
All time:	`Not sure (45.0%)`	`Sufficient (60.0%)`	`-`	`-`	`-`	`-`	`Insufficient (28.5%)`	2187
Month:	Not yet rated by the users

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