naming.php

#!/usr/bin/env php
<?php
require_once __DIR__ . '/vendor/autoload.php';

$renamedClasses = (new NamespacePrefixAdder())
    ->addPrefix(
        'MyPrefix',
        Files::inDirectories(['src', 'test'])
    );

(new UsageChanger())
    ->changeUsageOf(
        $renamedClasses,
        Files::inDirectories(['src', 'test', 'kohana'])
    );