Example implementation of PSR-11 ContainerExceptionInterface

PSR11-ContainerExceptionInterface-impl.php

<?php
namespace Kanian\ContainerX\Exceptions;
use Exception;
use Psr\Container\ContainerExceptionInterface;
class DependencyIsNotInstantiableException extends Exception implements ContainerExceptionInterface
{
    public function __construct($dependency, $code = 0, Exception $previous = null)
    {
        $message = "Dependency {$dependency} is not instantiable";
        parent::__construct($message, $code, $previous);
    }
}