I get that "web shell" in script-kiddie land has a specific meaning, but that is not what the author is talking about. They're just talking about how PHP, for m

I get that "web shell" in script-kiddie land has a specific meaning, but that is not what the author is talking about. They're just talking about how PHP, for many seasoned engineers, functions as a quick-and-dirty tool for getting things done and running quickly, much in the same way that shell scripting does for Linux ops.