Is Javascript faster in fetching data than php?

Question

Many web developer says interms of performance speed Javascript is faster than PHP. Have you ever come across this discussion? Tell me about it. [Every technical solution(answer) is appreciated].

Answer 1

Interesting question
I was just thinking, how can language matter when it comes to query performance?

I mean, there's the DBMS, there's the network loads, there's the server loads, there's the client loads. When either one of this factors were at peak, how the language comes to play?