定制 brettp/elgg-registration-randomizer 二次开发
按需修改功能、优化性能、对接业务系统，提供一站式技术支持
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Composer 安装命令：
composer require brettp/elgg-registration-randomizer
Randomizes the registration URL and checks the action for the correct referrer.
Use the output/registration_url view to generate links to register.