<?php /** * Find the auto loader file */ $files = [ __DIR__ . '/../vendor/autoload.php', __DIR__ . '/../../vendor/autoload.php', __DIR__ . '/../../../vendor/autoload.php', __DIR__ . '/../../../../vendor/autoload.php', ]; foreach ($files as $file) { if (file_exists($file)) { $loader = require $file; $loader->addPsr4('Ratchet\\RFC6455\\Test\\', __DIR__); break; } }