Dato/måned fra engelsk til dansk

<?php
function GetMonthName($monthNumber) {
    $monthnames = array( 1 => 'Januar', 2 => 'Februar', 3 => 'Marts', 4 => 'April', 5 => 'Maj', 6 => 'Juni', 7 => 'July', 8 => 'August', 9 => 'September', 10 => 'Oktober', 11 => 'November', 12 => 'December'); 
    return $monthnames[$monthNumber];
}
echo GetMonthName(5); // udskriver Maj
?>

<?php
function GetMonthName($monthNumber) {
    $monthnames = array('Januar','Februar','Marts','April','Maj','Juni','July','August','September','Oktober','November','December'); 
    return $monthnames[$monthNumber-1];
}
echo GetMonthName(5);
?>

<?php
class HeaderClass{
    public $month; // bør være private kun public afh test
    public $year; // bør være private kun public afh test
    public $title;
    
    function __construct(){                
    }
    function __destruct() {
      }

    private function GetMonthName($monthNumber) {
        $monthnames = array('Januar','Februar','Marts','April','Maj','Juni','July','August','September','Oktober','November','December'); 
        return $monthnames[$monthNumber-1];
    }
    
    public function setTitle()   {
        if(($this->month == NULL) || ($this->year == NULL)) {
            list ($this->month, $this->year)=explode(" ", date("m Y") ); // retunerer 02 2012
            $monthname = $this->GetMonthName($this->month);            
            $this->title = $monthname." ".$this->year;   
        }
        else{
            $this->title = date('m d Y',mktime(0,0,0,$this->month,1,$this->year));
        }       
    }
}

// test
$h=new HeaderClass();
$h->setTitle();
echo $h->title;
echo "<br/>";
echo $h->month;
echo "<br/>";
echo $h->year;
?>

<?php
// Tju hej hvor det går "jeg er en fri function"
function toDanishMonth($strDate) {
    $months = array('January' => 'Januar','February' => 'Februar','March' => 'Marts','May' => 'Maj','June' => 'Juni','July' => 'Juli','October' => 'Oktober');
    return strtr($strDate, $months);
}

class OleBole{
    private $month;
    private $year; 
    public $title;
    
    function __construct(){    
    }
    function __destruct() {
      }
    
    public function setTitle() {
        if(($this->month == NULL) || ($this->year == NULL)){
            $this->title = date("F Y");   
        }
        else{
            $this->title = date('F Y',mktime(0,0,0,$this->month,1,$this->year));
        }
        $this->title = toDanishMonth($this->title);
    }
}

$O=new OleBole();
$O->setTitle();
echo $O->title;
?>