Class "preloading" with Composer

class-preloading.php

<?php

/*
    This should work because composer registers a callback using
    'spl_autoload_register' for when a class is used that has not
    already been loaded. Loading the class before hand will
    prevent that callback being triggered by PHP.
*/


/** @var Composer\Autoload\ClassLoader **/
$classLoader = include 'vendor/autoload.php';

$classLoader->loadClass('Path\\To\\MyClass');
$classLoader->loadClass('Path\\To\\OtherClass');
// ...