passVariableProfiler.php

<?php

interface IMessage
{
    public function getBody();
}

class Message implements IMessage
{
    private $body;

    public function __construct($body)
    {
        $this->body = $body;
    }
    
    public function getBody()
    {
        return $this->body;
    }
    
    public function setBody($body)
    {
        $this->body = $body;
    }
}

class Sender
{    
    public function sendArray(array $message)
    {
         return $message['body'];
    }
    
    public function sendMessage(IMessage $message)
    {
        return $message->getBody();
    }
}

$sender = new Sender();

$iterationCount = 1000000;

if($argv[1] == 1) {
    // test cloned class
    $t = microtime(true);
    $message = new Message(null);
    for($i = 0; $i < $iterationCount; $i++) {
        $messageClone = clone $message;
        $messageClone->setBody('hello');
        $sender->sendMessage($messageClone);
    }
    $st = microtime(true) - $t;
    echo 'Cloned class: ' . $st . PHP_EOL;
}

if($argv[1] == 2) {
    // test class
    $t = microtime(true);
    for($i = 0; $i < $iterationCount; $i++) {
        $sender->sendMessage(new Message('hello'));
    }
    $st = microtime(true) - $t;
    echo 'Class: ' . $st . PHP_EOL;
}

// test array
if($argv[1] == 3) {
    $t = microtime(true);
    for($i = 0; $i < $iterationCount; $i++) {
        $sender->sendArray(['body' => 'hello']);
    }
    $st = microtime(true) - $t;
    echo 'Array: ' . $st . PHP_EOL;
}

Cloned class: 2.5899231433868
Class: 2.5238420963287
Array: 1.0065770149231