Something
public text v1 · immutable$billeder[]="pic1.jpg";
$billeder[]="pic2.jpg";
$billeder[]="pic3.jpg";
$billed_nr=rand(0,count($bileder)-1);
?>
<img src="<?=$billeder;?>">
<?
echo $billeder[$billed_nr];
?>$billeder[]="pic1.jpg";
$billeder[]="pic2.jpg";
$billeder[]="pic3.jpg";
$billed_nr=rand(0,count($bileder)-1);
?>
<img src="<?=$billeder;?>">
<?
echo $billeder[$billed_nr];
?>