Heb hier nog een stuk van de code, misschien geeft het zo meer duidelijkheid?
<?php
if (isset($_POST["upload"])) {
//Get the file information
$userfile_name = $_FILES['image']['name'];
$userfile_tmp = $_FILES['image']['tmp_name'];
$userfile_size = $_FILES['image']['size'];
$userfile_type = $_FILES['image']['type'];
$filename = basename($_FILES['image']['name']);
$file_ext = strtolower(substr($filename, strrpos($filename, '.') + 1));
//Only process if the file is a JPG, PNG or GIF and below the allowed limit
if((!empty($_FILES["image"])) && ($_FILES['image']['error'] == 0)) {
foreach ($allowed_image_types as $mime_type => $ext) {
//loop through the specified image types and if they match the extension then break out
//everything is ok so go and check file size
if($file_ext==$ext && $userfile_type==$mime_type){
$error = "";
break;
}else{
$error = "Alleen <strong>".$image_ext."</strong> afbeeldingen zijn geaccepteerd.<br />";
}
}
//check if the file size is above the allowed limit
if ($userfile_size > ($max_file*1048576)) {
$error.= "Afbeeldingen moeten kleiner dan ".$max_file."MB zijn.";
}
}else{
$error= "Selecteer een afbeelding.";
}
//Everything is ok, so we can upload the image.
if (strlen($error)==0){
if (isset($_FILES['image']['name'])){
//this file could now has an unknown file extension (we hope it's one of the ones set above!)
$large_image_location = $large_image_location.".".$file_ext;
$thumb_image_location = $thumb_image_location.".".$file_ext;
//put the file ext in the session so we know what file to look for once its uploaded
$_SESSION['user_file_ext']=".".$file_ext;
move_uploaded_file($userfile_tmp, $large_image_location);
chmod($large_image_location, 0777);
$width = getWidth($large_image_location);
$height = getHeight($large_image_location);
//Scale the image if it is greater than the width set above
if ($width > $max_width){
$scale = $max_width/$width;
$uploaded = resizeImage($large_image_location,$width,$height,$scale);
}else{
$scale = 1;
$uploaded = resizeImage($large_image_location,$width,$height,$scale);
}
//Delete the thumbnail file so the user can create a new one
if (file_exists($thumb_image_location)) {
unlink($thumb_image_location);
}
}
//Refresh the page to show the new uploaded image
header("location:".$_SERVER["PHP_SELF"]."?".$_SERVER["QUERY_STRING"]);
exit();
}
}
?>
