Primer korišćenja IoC containera

injection1.php

<?php

use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Reference;

// Create IoC container
$container = new ContainerBuilder();

// Register Engine object and parameter for constructor 
$container->register('my.engine', '\\Model\\Engine')
->addArgument(1800);

//Register Tractor object and Engine object for his constructor
$container->register('my.tractor', '\\Model\\Tractor')
->addArgument(new Reference('my.engine'));

// IoC container will return Tractor object
$tractor = $container->get('my.tractor');