彼此分离的调用函数工作正常，在另一个内执行其中一个函数不正常

I've been struggling with this email function for a while. So basically, I'm working on a local website for a personal project, and I've run into problems with my email verification process. I have the framework in place to support it, but not the means to send an email; that's what this is about.I've been struggling with this email function f