phpseclib/tests/bootstrap.php

<?php
/**
 * Bootstrapping File for phpseclib Test Suite
 *
 * @license http://www.opensource.org/licenses/mit-license.html MIT License
 */

date_default_timezone_set('UTC');

// Set up include path accordingly. This is especially required because some
// class files of phpseclib require() other dependencies.
set_include_path(implode(PATH_SEPARATOR, array(
    dirname(__FILE__) . '/../phpseclib/',
    dirname(__FILE__) . '/',
    get_include_path(),
)));

function phpseclib_is_includable($suffix)
{
    foreach (explode(PATH_SEPARATOR, get_include_path()) as $prefix) {
        $ds = substr($prefix, -1) == DIRECTORY_SEPARATOR ? '' : DIRECTORY_SEPARATOR;
        $file = $prefix . $ds . $suffix;

        if (file_exists($file)) {
            return true;
        }
    }

    return false;
}

function phpseclib_autoload($class)
{
    $file = str_replace('_', '/', $class) . '.php';

    if (phpseclib_is_includable($file)) {
        // @codingStandardsIgnoreStart
        require $file;
        // @codingStandardsIgnoreEnd
    }
}

spl_autoload_register('phpseclib_autoload');