fib(30) in Ruby & PHP

fibo.php

<?php
function fib($n) {
  return ($n > 1) ? fib($n - 2) + fib($n - 1) : $n;
}

echo fib(30);

fibo.rb

def fib n
  if n > 1
    fib(n - 2) + fib(n - 1)
  else
    n
  end
end

puts fib(30)

gistfile3.txt

$ time php fibo.php
832040
real    0m1.342s
user    0m1.320s
sys     0m0.000s

$ time ruby fibo.rb
832040
real    0m0.330s
user    0m0.320s
sys     0m0.010s

Stupid test I did at work to show a fellow programmer that Ruby is not as slow as it used to be