Codeigniter Help: File Uploading Class

CodeIgniter's File Uploading Class permits files to be uploaded. You can set various preferences, restricting the type and size of the files.

The Process

Uploading a file involves the following general process:

An upload form is displayed, allowing a user to select a file and upload it.
When the form is submitted, the file is uploaded to the destination you specify.
Along the way, the file is validated to make sure it is allowed to be uploaded based on the preferences you set.
Once uploaded, the user will be shown a success message.

To demonstrate this process here is brief tutorial. Afterward you'll find reference information.

Creating the Upload Form

Using a text editor, create a form called upload_form.php. In it, place this code and save it to your
applications/views/ folder:

You'll notice we are using a form helper to create the opening form tag. File uploads require a multipart form, so the helper creates the proper syntax for you. You'll also notice we have an $error variable. This is so we can show error messages in the event the user does something wrong.

The Success Page

Using a text editor, create a form called upload_success.php. In it, place this code and save it to your

applications/views/ folder:

The Controller

Using a text editor, create a controller called upload.php. In it, place this code and save it to your

applications/controllers/ folder: