<?php

namespace Awas\AdvancedSearch\Core;

/**
 * A lightweight Dependency Injection Container.
 */
class Container
{
    /**
     * Stored instances of classes.
     *
     * @var array
     */
    private $instances = [];

    /**
     * Get an instance from the container.
     *
     * @param string $class Fully qualified class name.
     * @return mixed
     */
    public function get($class)
    {
        if (!isset($this->instances[$class])) {
            $this->instances[$class] = new $class($this);
        }

        return $this->instances[$class];
    }

    /**
     * Register an instance directly.
     *
     * @param string $class
     * @param mixed $instance
     */
    public function set($class, $instance)
    {
        $this->instances[$class] = $instance;
    }
}