<?php


    if (\PHP_VERSION_ID < 70000) {
        if (!\is_callable('sodiumCompatAutoloader')) {
            /**
             * Sodium_Compat autoloader.
             *
             * @param string $class Class name to be autoloaded.
             *
             * @return bool         Stop autoloading?
             */
            function sodiumCompatAutoloader($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;
            }
            // Now that we have an autoloader, let's register it!
            \spl_autoload_register('sodiumCompatAutoloader');
        }
    } else {
        require_once \dirname(__FILE__) . '/autoload-php7.php';
    }
    /* Explicitly, always load the Compat class: */
    if (!\class_exists('ParagonIE_Sodium_Compat', \false)) {
        require_once \dirname(__FILE__) . '/src/Compat.php';
    }
    if (!\class_exists('SodiumException', \false)) {
        require_once \dirname(__FILE__) . '/src/SodiumException.php';
    }
    if (\PHP_VERSION_ID >= 50300) {
        // Namespaces didn't exist before 5.3.0, so don't even try to use this
        // unless PHP >= 5.3.0
        require_once \dirname(__FILE__) . '/lib/namespaced.php';
        require_once \dirname(__FILE__) . '/lib/sodium_compat.php';
        if (!\defined('SODIUM_CRYPTO_AEAD_AEGIS128L_KEYBYTES')) {
            require_once \dirname(__FILE__) . '/lib/php84compat_const.php';
        }
    } else {
        require_once \dirname(__FILE__) . '/src/PHP52/SplFixedArray.php';
    }
    if (\PHP_VERSION_ID < 70200 || !\extension_loaded('sodium')) {
        if (\PHP_VERSION_ID >= 50300 && !\defined('SODIUM_CRYPTO_SCALARMULT_BYTES')) {
            require_once \dirname(__FILE__) . '/lib/php72compat_const.php';
        }
        if (\PHP_VERSION_ID >= 70000) {
            \assert(\class_exists('ParagonIE_Sodium_Compat'), 'Possible filesystem/autoloader bug?');
        } else {
            \assert(\class_exists('ParagonIE_Sodium_Compat'));
        }
        require_once \dirname(__FILE__) . '/lib/php72compat.php';
    } elseif (!\function_exists('sodium_crypto_stream_xchacha20_xor')) {
        // Older versions of {PHP, ext/sodium} will not define these
        require_once \dirname(__FILE__) . '/lib/php72compat.php';
    }
    if (\PHP_VERSION_ID < 80400 || !\extension_loaded('sodium')) {
        require_once \dirname(__FILE__) . '/lib/php84compat.php';
    }
    require_once \dirname(__FILE__) . '/lib/stream-xchacha20.php';
    require_once \dirname(__FILE__) . '/lib/ristretto255.php';