<?php
declare(strict_types=1);

class 
🥃whisky
{
    public    
string     $name;
    public    
int        $age;
    private   
Distillery $distillery;
}

$whisky = new ðŸ¥ƒwhisky;
$whisky->age "29";
?>

TypeError: Typed property 🥃whisky::$age must be int, string used