ambionics/phpggc: PHPGGC is a library of PHP unserialize() payloads along with a tool to generate them, from command line or programmatically. (github.com)
[安洵杯 2019]iamthinking-爱代码爱编程 (icode.best)
PHPGGC的使用介绍和安装 - xrzx - 博客园 (cnblogs.com)