image question

[pouncer]

						$name = "{$_SESSION['Username']}_images";
						$dir = "../collection_items/" . $name;
						if(!is_dir($dir)) mkdir($dir);

						$_accepted_extensions = array('.jpg', '.bmp', '.gif', '.JPG', '.BMP', '.GIF');
						$tmp = pathinfo($_FILES['imageupload']['name']);
						$filename = $_FILES['imageupload']['name'];

						if ($filename != "") {
							if (!in_array('.' . $tmp['extension'], $_accepted_extensions)) {
									echo "The image you attempted to upload is of the wrong file type.";
							}
							else {
								$target_path = $dir . "/";
								$nm = basename($_FILES['imageupload']['name']);
								$target_path = $target_path . $nm; 

								if (move_uploaded_file($_FILES['imageupload']['tmp_name'], $target_path)) {

									echo "success!";		
								} 

								else echo "There was an error uploading the image, please try again.";
							}
						}
						else {
							echo "You can specify an exclusive image later.";
						}

 

How do i change it so it checks if the same filename already exists. if so, i want it to add a random 10 digit number to the end of the file and upload it!

[Jackel]

This may help you.

 

http://ca3.php.net/function.file-exists