Which features of Go would you say make it inherently more secure to use than php given the same developer?
2. That Go is designed as a programming language.
2. This is saying nothing. C is designed as a programming language but it's certainly possible to shoot your foot off with it as well. Go isn't going to protect you from using exec in a dumb way, or from unsanitized data by default, or by screwing up your file outputs.