stupid date shit.php

<?php
// Øns 01-Apr-2020
$start=new DateTime("2020-08-01");
$start->modify("-1 day");
$end=new DateTime("2020-09-01");
for(;;){
    $start->modify("+1 day");
    if($start>=$end){
        break;
    }
    $d=$start->format("D d-M-Y");
    $d=strtr($d,[
        "Mon"=>"Man",
        "Tue"=>"Tir",
        "Wed"=>"Ons",
        "Thu"=>"Tor",
        "Fri"=>"Fre",
        "Sat"=>"Lør",
        "Sun"=>"Søn",
        "Aug"=>"Aug"
        ]);
    echo $d,"\n";
}