Help Need

[Danny620]

<?php

class Building{
public $name;
public $current = 1;
public $upgrade;

function Upgrade(){
	$this->upgrade = $this->current + 1;
}

function get_upgrade(){
	return $this->upgrade;
}
}

$Building = new Building();

$upgrade = $Building->get_upgrade();
echo $upgrade;
?>

 

it should return 2 but it dont

[ignace]

$Building = new Building();
$Building->Upgrade();
$upgrade = $Building->get_upgrade();

[Danny620]

ah so you have to call the upgrade function first thanks