<?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; 
    } 
} 
 
 |