gistfile1.txt

<?php
namespace IBL {
    class FranchiseMapper {}
}
namespace {
    var_dump(new IBL\FranchiseMapper);
    $closure = function() {
        return new IBL\FranchiseMapper;
    };
    var_dump($closure());
}
namespace Another {
    class SomeContainer
    {
        public function createTheMapper($closure) {
            return $closure();
        }
    }
}
namespace {
    var_dump(Another\SomeContainer::createTheMapper($closure));
}