class.upload.php and file extension missing - php

Question

I'm using class.upload.php for images. Resizing works correctly with name and extension into the folder, but i have a problem storing the name into mysql database. There's no file extension (.jpg, .gif etc)... why? how can i resolve the problem?
Thanks
/* ========== SCRIPT UPLOAD MULTI IMAGES ========== */
include('class.upload.php');
$dir_dest="../../images/gallery/";
$files = array();
foreach ($_FILES['fleImage'] as $k => $l) {
foreach ($l as $i => $v) {
if (!array_key_exists($i, $files))
$files[$i] = array();
$files[$i][$k] = $v;
}
}
foreach ($files as $file) {
$handle = new Upload($file);
if ($handle->uploaded) {
$mainame = $handle->file_dst_name;
$db_name = str_replace(" ","_",$mainame);
$image1 = md5(rand() * time()) . ".$db_name";
$parts = explode(".",$image1);
$extension = end($parts);
$result_big = str_replace("." . $extension,"",$image1);
$handle->file_new_name_body = $result_big;
$handle->image_resize = true;
$handle->image_x = 460;
$handle->image_ratio_y = true;
// $handle->image_y = 400;
$handle->Process($dir_dest);
//Thumbnail
$db_name = str_replace(" ","_",$mainame);
$image1 = md5(rand() * time()) . ".$db_name";
$parts = explode(".",$image1);
$extension = end($parts);
$result_small = str_replace("." . $extension,"",$image1);
$handle->file_new_name_body = $result_small;
$handle->image_resize = true;
$handle->image_x = 180;
$handle->image_ratio_y = true;
// $handle->image_y = 120;
$handle->Process($dir_dest);
// we check if everything went OK
if ($handle->processed) {
header("Location: index.php"); //echo 'image resized';
$handle->clean();
$query_img="INSERT into tbl_images (file_name, pd_image, pd_thumbnail) VALUES('$nome','$result_big', '$result_small')";
$result2 = dbQuery($query_img);
} else {
echo 'error : ' . $handle->error;
}
}
}
// END SCRIPT UPLOAD MULTI IMAGES
header("Location: index.php");
}

Answer 1

You are removing the extension with this code
$result_big = str_replace("." . $extension,"",$image1);
I dont know why you do that. anyway you can add it back by adding following line after the $handle->file_new_name_body = $result_big;
$handle->file_new_name_ext = $extension;

Answer 2

You have replaced the extention with empty string here using str_replace
$result_small = str_replace("." . $extension,"",$image1);
and here
$result_big = str_replace("." . $extension,"",$image1);
update below lines just add .$extension at the end
$handle->file_new_name_body = $result_big.$extension;
and
$handle->file_new_name_body = $result_small.$extension;
just change query like this
$query_img="INSERT into tbl_images (
file_name,
pd_image,
pd_thumbnail
) VALUES (
'$nome',
'{$result_big}.{$extension}',
'{$result_small}.{$extension}')";
I will suggest you to have same filename for pd_image and pd_thumbnail, just prefix thumb with thumb_ that will make your life easier in front end.
this way you can access any image thumbnail just by prefixing it with thumb_ with pd_image and you don't have to store pd_thumbnail in database.