<?php
/*
This file should only ever be loaded on PHP 7+
*/
if (PHP_VERSION_ID < 70000) {
return;
}

spl_autoload_register(function ($class) {
$namespace = 'ParagonIE_Sodium_';
// Does the class use the namespace prefix?
$len = strlen($namespace);
if (strncmp($namespace, $class, $len) !== 0) {
// no, move to the next registered autoloader
return false;
}

// Get the relative class name
$relative_class = substr($class, $len);

// Replace the namespace prefix with the base directory, replace namespace
// separators with directory separators in the relative class name, append
// with .php
$file = dirname(__FILE__) . '/src/' . str_replace('_', '/', $relative_class) . '.php';
// if the file exists, require it
if (file_exists($file)) {
require_once $file;
return true;
}
return false;
});