What makes PHP slower than Java or C#?

Question

This is something I\'ve always wondered: Why is PHP slower than Java or C#, if all 3 of these languages get compiled down to bytecode and then executed from there? I know th

Answer 1

Both Java and C# have JIT compilers, which take the bytecode and compile into true machine code. The act of compiling it can take time, hence C# and Java can suffer from slower startup times, but once the code is JIT compiled, its performance is in the same ballpark as any "truly compiled" language like C++.