Singleton Pattern

A lightweight PHP implementation of the Design Pattern Singleton using trait. Just one class and no dependencies.

Create your class

require "vendor/autoload.php";

class Example
{
    // You need to use the trait here
    use \ByJG\DesignPattern\Singleton;

    // Put your code below
}

REMEMBER: Your class cannot have a public constructor. If it is necessary, use a private or protected constructor instead. Singleton classes does not have arguments in the constructor;

Use your class

$example = Example::getInstance();

Install

composer require "byjg/singleton-pattern"

Run Tests

vendor/bin/phpunit

References

• https://en.wikipedia.org/wiki/Singleton_pattern

Dependencies

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flowchart TD
    byjg/singleton-pattern

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Open source ByJG