A bare-bones PHP IoC container.

Container.php

<?php 

interface Container
{
    static function bind($name, Callable $resolver);
    static function make($name);
}

IoC.php

<?php

/**
 * Class IoC
 */
class IoC implements Container
{

    /**
     * @var array
     */
    protected static $registry = [];


    /**
     * Bind into the container.
     * @param          $name
     * @param callable $resolver
     */
    public static function bind($name, Callable $resolver)
    {
        static::$registry[$name] = $resolver;
    }


    /**
     * Resolve out of the container.
     * @param $name
     *
     * @return mixed
     * @throws Exception
     */
    public static function make($name)
    {
        if( ! array_key_exists($name, static::$registry) )
        {
            throw new Exception('Alias does not exist in the IoC registry.');
        }

        return static::$registry[$name]();
    }
    
}