www.gusucode.com > Flarum中文优化论坛PHP源码程序 > FlarumChina-master/vendor/guzzlehttp/psr7/src/functions_include.php

    <?php

// Don't redefine the functions if included multiple times.
if (!function_exists('GuzzleHttp\Psr7\str')) {
    require __DIR__ . '/functions.php';
}