Fout met layout en PHP functie

if ($websiteurl != "") { 
    $varimages =  $varimages . " <a href='$websiteurl'--><img src="$picpath" $alt="" $caption="">" . "nn" ; 
  } else { 
  $varimages =  $varimages . " <img src="$picpath" $alt="" $caption="">" . "nn" ; 
      } 
  $alttag = ""; //caption 
  $websiteurl= ""; //alt tag 
  $caption = ""; //website url 
} 
closedir($folder); 
$varimages = substr_replace($varimages ,"",-1); 
echo $varimages; 
?>

<?PHP
$dirpath = "slideshow";
$dirURL = "http://www.jazzerup.com/blogexamples/slideshow/";
$folder = opendir($dirpath); // Use 'opendir(".")' if the PHP file is in the same folder as your images. Or set a relative path 'opendir("../path/to/folder")'.
$pic_types = array("jpg", "jpeg", "gif", "png");
$alttag = ""; //caption
$websiteurl= ""; //alt tag
$caption = ""; //website url
 
$index = array();
while ($file = readdir ($folder)) {
  if(in_array(substr(strtolower($file), strrpos($file,".") + 1),$pic_types))
      {                       
      $items[] = $file;                                  
      }
}
for($i=0; $i<sizeof($items); $i++) {                  
  $picpath = $dirpath . "/" . $items[$i];
 
  //Get the meta data
  $exif = exif_read_data($picpath, 'EXIF');
  $alttag = $exif['Title']; //alt tag
  $websiteurl= $exif['Subject']; //website url
  $caption = $exif['Comments']; //caption
  if ($caption != "") {
    $caption =  "title='" . $caption  . "'";
    $alt = "alt='" . $caption  . "'";
  }
  if ($alttag != "") {
    $alt =  "alt='" . $alttag . "'";
  }
  if ($websiteurl != "") {
    $varimages =  $varimages . " <a href='$websiteurl'--><img src="$picpath" $alt="" $caption="">" . "\n\n" ;
  } else {
  $varimages =  $varimages . " <img src="$picpath" $alt="" $caption="">" . "\n\n" ;
      }
  $alttag = ""; //caption
  $websiteurl= ""; //alt tag
  $caption = ""; //website url
}
closedir($folder);
$varimages = substr_replace($varimages ,"",-1);
echo $varimages;
?>