named functions an default arguments and null handling

<?php

  function Test(?string $name=null, ?int $age=null){

    

    $name= $name??"Guest";

    

    $age=$age??0;

    

    

    echo "Hello my name is $name my age is $age \n";

  }

    Test(age:44, name:"Ambiorix");

    

  ?>

Output:

9 ms | 18.4 MB

Hello my name is Ambiorix my age is 44