exif_thumbnail($file)

$file = $_FILES['newimagefile']['tmp_name'];
$extension = pathinfo($_FILES['newimagefile']['name']);
$extension = $extension[extension];
if($extension=='jpg' || $extension=='jpeg'){
$im = @imagecreatefromjpeg($file);
if($extension=='jpg'){
$filename = substr($file, 0, -3);
}
if($extension=='jpeg'){
$filename = substr($file, 0, -4);
}
}
elseif($extension=='gif'){
$im = @imagecreatefromgif($file);
$filename = substr($file, 0, -3);
}
elseif($extension=='png'){
$im = @imagecreatefrompng($file);
$filename = substr($file, 0, -3);
}
else{
$error='Unsupporrted image type uploaded.';
}
//Pravljenje slike u normalnog formata
$fimagefile = 'images/'.$filename.'.jpg';
$image = imagejpeg($im, $fimagefile);
//Pravljenje thumbnaila
list($fwidth, $fheight) = getimagesize($fimagefile);
$timagefile = 'images/'.$filename.'_tn.jpg';
$tnimagefile = imagecreatetruecolor('102', '102');
imagecopyresampled($tnimagefile, $im, 0, 0, 0, 0, '102', '102', $fwidth, $fheight);
$thumbnail = imagejpeg($tnimagefile, $timagefile);
if (!$image) {
$error1 = "NOTE: Image not uploaded. Unknown error ocured. Contact CYPOsofT.";
}
if (!$thumbnail) {
$error2 = "NOTE: Error ocured while creating thumbnail image.";
}