sadness.php

<?php
define('LOOP',1000000);
 
class ClassA {
}
 
function a($arg1, ClassA $arg2=null, ClassA $arg3=null, ClassA $arg4=null) {};
function b($arg1, $arg2=null, $arg3=null, $arg4=null) {};
 
function f1() {
  $a = new ClassA();
  for($i=0; $i<LOOP; ++$i) {
    a(1, $a, $a, $a); 
  }
}
 
function f2() {
  $a = new ClassA();
  for($i=0; $i<LOOP; ++$i) {
    b(1, $a, $a, $a);
  }
}
 
$start = microtime(true);
f1();
$stop = microtime(true);
$time1 = $stop - $start;
 
$start = microtime(true);
f2();
$stop = microtime(true);
$time2 = $stop - $start;
 
echo $time1 . "\t";
echo $time2 . "\n";

echo ((($time1 - $time2) / $time1) * 100) . '% difference' . "\n";