Max in array of objects

index.php

<?php

class Temperature{
	private $temperature;

	public function __construct($value){
		$this->temperature = $value;
	}


	public function getTemperature()
	{
		return $this->temperature;
	}
}

$objects = [];
foreach(range(1,5) as $index)
{
  array_push($objects, new Temperature(rand(1, 100)));
}
//var_dump($objects);

$max = max(array_reduce($objects, function($v, $w){
	return max($v, $w->getTemperature());
}), -9999999);
//var_dump($max);