Anonymous

<?php

sleep(1);

function microtime_float()
{
   list($usec, $sec) = explode(" ", microtime());
   return ((float)$usec + (float)$sec);
}

// DEOOP
function Abc_constructor(& $a,& $b,& $c)
{
	$a = 5;
	$b = 10;
	$c = 15;
}
function Abc_add(& $a,& $b,& $c, $amount)
{
	$a += $amount;
	$b += $amount;
	$c += $amount;		
}
function Abc_multiplyA(& $a, $amount)
{
	$a *= $amount;
}
function Abc_multiplyB(& $b, $amount)
{
	$b *= $amount;
}
function Abc_multiplyC(& $c, $amount)
{
	$c *= $amount;
}

// OOP

class Abc 
{
	public $a;
	public $b;
	public $c;
	public $d;
				
	function __construct() 
	{
		$this->a = 5;
		$this->b = 10;
		$this->c = 15;
	}
	
	function add($amount)
	{
		$this->a += $amount;
		$this->b += $amount;
		$this->c += $amount;						
	}

	function multiplyA($amount)
	{
		$this->a *= $amount;						
	}	
	
	function multiplyB($amount)
	{
		$this->b *= $amount;						
	}
	
	function multiplyC($amount)
	{
		$this->c *= $amount;						
	}		
}
// ---

$iterations = 100000;

$test = "deoop"; // <-- CHANGE THE STRING HERE

$t = microtime_float(true);

switch ($test) {
	case "inlined":
		for ($i=$iterations; $i--;) {
			$x_a = NULL;
			$x_b = NULL;
			$x_c = NULL;
			$x_d = NULL;
			$x_a = 5;
			$x_b = 10;
			$x_c = 15;						
			$x_a += 1;
			$x_b += 1;
			$x_c += 1;
			$x_a *= 3;
			$x_b *= 3;
			$x_c *= 3;
			$x_d = $x_a + $x_b + $x_c;	
		}
		echo $x_d.'<br>';
	break;
	
	case "deoop":
		for ($i=$iterations; $i--;) {
			$x_a = NULL;
			$x_b = NULL;
			$x_c = NULL;
			$x_d = NULL;
			Abc_constructor($x_a,$x_b,$x_c);
			Abc_add($x_a,$x_b,$x_c,1);
			Abc_multiplyA($x_a,3);
			Abc_multiplyB($x_b,3);
			Abc_multiplyC($x_c,3);
			$x_d = $x_a + $x_b + $x_c;	
		}
		echo $x_d.'<br>';
	break;
	
	case "oop":
		for ($i=$iterations; $i--;) {
			$x = new Abc();
			$x->add(1);
			$x->multiplyA(3);
			$x->multiplyB(3);
			$x->multiplyC(3);						
			$x->d = $x->a + $x->b + $x->c;			
		}
		echo $x->d.'<br>';
	break;
}
echo microtime_float(true) - $t;

?>