objects.php

<?php
class Wrapper {
  private $value;
	private $isHit;

	function __construct($isHit, $value)
	{
		$this->isHit = $isHit;
		$this->value = $value;
	}

	/**
	 * @param mixed $isHit
	 */
	public function setIsHit($isHit)
	{
		$this->isHit = $isHit;
	}

	/**
	 * @return mixed
	 */
	public function getIsHit()
	{
		return $this->isHit;
	}

	/**
	 * @param mixed $value
	 */
	public function setValue($value)
	{
		$this->value = $value;
	}

	/**
	 * @return mixed
	 */
	public function getValue()
	{
		return $this->value;
	}
}

$start = microtime(true);

function get_cache_value() {
	$value = rand(0, 100).'test';
	return new Wrapper(true, $value);
}

$results = array();
for ($i=0; $i<1000; $i++) {
	$results[] = get_cache_value();
}

printf("Done in: %f s\n", microtime(true) - $start)."\n";
printf("Memory used: %d KB\n", memory_get_peak_usage(true)/1024)."\n";

Done in: 0.005024 s
Memory used: 512 KB