$_FILES[$image_fieldname]['error'] == 0 or handle_error("the server couldn't upload the image you selected.", $php_errors[$_FILES[$image_fieldname]['error']]);
// Is this file the result of a valid upload?
@is_uploaded_file($_FILES[$image_fieldname]['tmp_name']) or handle_error("you were trying to do something naughty. Shame on you!", "Uploaded request: file named '{$_FILES[$image_fieldname]['tmp_name']}'");
// Is this actually an image?
@getimagesize($_FILES[$image_fieldname]['tmp_name']) or handle_error("you selected a file for your picture that isn't an image.", "{$_FILES[$image_fieldname]['tmp_name']} isn't a valid image file.");
// Name the file uniquely
$now = time();
while (file_exists($upload_filename = $upload_dir . $now . '-' . $_FILES[$image_fieldname]['name'])) {
//$userpic = $_FILES[$image_fieldname]['name'];
$now++;
}
// Finally, move the file to its permanent location
@move_uploaded_file($_FILES[$image_fieldname]['tmp_name'], $upload_filename) or handle_error("we had a problem saving your image to its permanent location.", "permissions or related error moving file to {$upload_filename}");
$original_filename = str_replace($upload_dir, '/', $upload_filename);
createlargepic($originals_dir, $large_dir, $original_filename, $large_width);
createthumbs($originals_dir, $thumb_dir, $original_filename, $thumb_width);
$message = "Congratulations! You successfully uploaded an image and turned it into a thumbnail!";
}
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>PHP File upload and create thumnnail test</title>
</head>
<body>
<h1>PHP File upload and create thumnnail test</h1>
<form name="fileupload" method="post" action="<?php
echo $_SERVER['PHP_SELF'];
?>
" enctype="multipart/form-data">
<?php
/* code to copy image file form originals folder uploaded to,
then reduce size to thumbnail,
then save in thumbnail directory */
function createthumbs($origImagePath, $tnImagePath, $fname, $thumbWidth)
{
// 1. open the originals directory
$dir = opendir($origImagePath);
// 2. Find the original imaeg file
//$fname = "1397841364-KamalProfPic1.jpg";
echo "Creating thumbnail for {$origImagePath}{$fname} <br />";
// 3. load image and get image size
$img = imagecreatefromjpeg("{$origImagePath}{$fname}");
$width = imagesx($img);
$height = imagesy($img);
// 4. calculate thumbnail size
$new_width = $thumbWidth;
$new_height = floor($height * ($thumbWidth / $width));
// 5. create a new temporary image
$tmp_img = imagecreatetruecolor($new_width, $new_height);
// 6. copy and resize old image into new image
imagecopyresized($tmp_img, $img, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
// 7. save thumbnail into a file
imagejpeg($tmp_img, "{$tnImagePath}{$fname}");
// 8. close the directory
closedir($dir);
}
createthumbs("assets/images/uploads/profpic/originals/", "assets/images/uploads/profpic/thumb/", "1397841364-KamalProfPic1.jpg", 50);