$ time php complex.php real 3m9.142s user 0m32.125s sys 0m0.358s

complex.php

<?php
function foo() { return true; }
function bar() { return true; }
function baz() { return false; }
function bat() { return true; }
function lorem() { return true; }
function ipsum() { return true; }
function dolor() { return false; }
function sit() { return false; }
function amet() { return true; }
function brown() { return true; }
function fox() { static $rep = 0; return ++$rep%2; }

class Lazy {}
class Jumps
{
  public $over;
  public function dog() {}
}


function example() {
    $jumps = new Jumps;
    if (foo() && bar() && (baz() || bat())) {
        lorem();
        ipsum();
        if (dolor() || sit() || amet()) {
             $quick = brown();
             while (fox()) {
                 $jumps->over = new Lazy;
                 $jumps->dog();
             }
        }
    }
}
foreach (range(0,1000000) as $i) 
example();