Template for PSR-11 Compliant Container

PSR11-ContainerInterface-impl.php

<?php
namespace Kanian\ContainerX;
use Psr\Container\ContainerInterface;

/**
 * A psr-11 compliant container
 */
class Container implements ContainerInterface
{
    public function __construct()
    {
        //bootstrap code here
    }
    protected $instances = [];
    public function get($dependency)
    {
        if (!$this->has($dependency)) {
            throw new DependencyNotRegisteredException($dependency); //DependencyNotRegisteredException implements NotFoundExceptionInterface
        }
        $entry = $this->instances[$dependency];
        //other necessary code here
        //return $this->concreteInstance($entry);
    }
    
    public function has($dependency)
    {
        return isset($this->instances[$dependency]);
    }
}