I basically read this as, "I want everything I could every possibly use in the global scope so I don't have to think about imports". Modern web development revolves heavily around open source frameworks. You can't escape the need to know about libraries outside the core language you program in, even with PHP.
If you are writing a trivially simple webapp, then you would be correct that you could hack together something with just the core language features of PHP.
If you are writing a trivially simple webapp, then you would be correct that you could hack together something with just the core language features of PHP.