name : autoload-php7.php <?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; });