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-rw-r--r--user_guide_src/source/libraries/file_uploading.rst141
1 files changed, 113 insertions, 28 deletions
diff --git a/user_guide_src/source/libraries/file_uploading.rst b/user_guide_src/source/libraries/file_uploading.rst
index c2de59865..51dd0d5e2 100644
--- a/user_guide_src/source/libraries/file_uploading.rst
+++ b/user_guide_src/source/libraries/file_uploading.rst
@@ -26,12 +26,29 @@ 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:
+this code and save it to your applications/views/ folder::
+
+ <html>
+ <head>
+ <title>Upload Form</title>
+ </head>
+ <body>
+
+ <?php echo $error;?>
+
+ <?php echo form_open_multipart('upload/do_upload');?>
+
+ <input type="file" name="userfile" size="20" />
+
+ <br /><br />
+
+ <input type="submit" value="upload" />
+
+ </form>
+
+ </body>
+ </html>
-<html> <head> <title>Upload Form</title> </head> <body> <?php echo
-$error;?> <?php echo form_open_multipart('upload/do_upload');?>
-<input type="file" name="userfile" size="20" /> <br /><br /> <input
-type="submit" value="upload" /> </form> </body> </html>
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 $error variable. This is
@@ -42,31 +59,73 @@ The Success Page
================
Using a text editor, create a form called upload_success.php. In it,
-place this code and save it to your applications/views/ folder:
+place this code and save it to your applications/views/ folder::
+
+ <html>
+ <head>
+ <title>Upload Form</title>
+ </head>
+ <body>
+
+ <h3>Your file was successfully uploaded!</h3>
+
+ <ul>
+ <?php foreach ($upload_data as $item => $value):?>
+ <li><?php echo $item;?>: <?php echo $value;?></li>
+ <?php endforeach; ?>
+ </ul>
+
+ <p><?php echo anchor('upload', 'Upload Another File!'); ?></p>
+
+ </body>
+ </html>
-<html> <head> <title>Upload Form</title> </head> <body> <h3>Your file
-was successfully uploaded!</h3> <ul> <?php foreach ($upload_data as
-$item => $value):?> <li><?php echo $item;?>: <?php echo $value;?></li>
-<?php endforeach; ?> </ul> <p><?php echo anchor('upload', 'Upload
-Another File!'); ?></p> </body> </html>
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:
-
-<?php class Upload extends CI_Controller { function \__construct() {
-parent::\__construct(); $this->load->helper(array('form', 'url')); }
-function index() { $this->load->view('upload_form', array('error' => '
-' )); } function do_upload() { $config['upload_path'] = './uploads/';
-$config['allowed_types'] = 'gif\|jpg\|png'; $config['max_size'] =
-'100'; $config['max_width'] = '1024'; $config['max_height'] = '768';
-$this->load->library('upload', $config); if ( !
-$this->upload->do_upload()) { $error = array('error' =>
-$this->upload->display_errors()); $this->load->view('upload_form',
-$error); } else { $data = array('upload_data' =>
-$this->upload->data()); $this->load->view('upload_success', $data); } }
-} ?>
+this code and save it to your applications/controllers/ folder::
+
+ <?php
+
+ class Upload extends CI_Controller {
+
+ function __construct()
+ {
+ parent::__construct();
+ $this->load->helper(array('form', 'url'));
+ }
+
+ function index()
+ {
+ $this->load->view('upload_form', array('error' => ' ' ));
+ }
+
+ function do_upload()
+ {
+ $config['upload_path'] = './uploads/';
+ $config['allowed_types'] = 'gif|jpg|png';
+ $config['max_size'] = '100';
+ $config['max_width'] = '1024';
+ $config['max_height'] = '768';
+
+ $this->load->library('upload', $config);
+
+ if ( ! $this->upload->do_upload())
+ {
+ $error = array('error' => $this->upload->display_errors());
+
+ $this->load->view('upload_form', $error);
+ }
+ else
+ {
+ $data = array('upload_data' => $this->upload->data());
+
+ $this->load->view('upload_success', $data);
+ }
+ }
+ }
+ ?>
The Upload Folder
=================
@@ -108,7 +167,16 @@ Similar to other libraries, you'll control what is allowed to be upload
based on your preferences. In the controller you built above you set the
following preferences::
- $config['upload_path'] = './uploads/'; $config['allowed_types'] = 'gif|jpg|png'; $config['max_size'] = '100'; $config['max_width'] = '1024'; $config['max_height'] = '768'; $this->load->library('upload', $config); // Alternately you can set preferences by calling the initialize function. Useful if you auto-load the class: $this->upload->initialize($config);
+ $config['upload_path'] = './uploads/';
+ $config['allowed_types'] = 'gif|jpg|png';
+ $config['max_size'] = '100';
+ $config['max_width'] = '1024';
+ $config['max_height'] = '768';
+
+ $this->load->library('upload', $config);
+
+ // Alternately you can set preferences by calling the initialize function. Useful if you auto-load the class:
+ $this->upload->initialize($config);
The above preferences should be fairly self-explanatory. Below is a
table describing all available preferences.
@@ -211,7 +279,8 @@ called userfile, and the form must be a "multipart type::
If you would like to set your own field name simply pass its value to
the do_upload function::
- $field_name = "some_field_name"; $this->upload->do_upload($field_name)
+ $field_name = "some_field_name";
+ $this->upload->do_upload($field_name);
$this->upload->display_errors()
================================
@@ -234,7 +303,23 @@ $this->upload->data()
This is a helper function that returns an array containing all of the
data related to the file you uploaded. Here is the array prototype::
- Array (     [file_name]    => mypic.jpg     [file_type]    => image/jpeg     [file_path]    => /path/to/your/upload/     [full_path]    => /path/to/your/upload/jpg.jpg     [raw_name]     => mypic     [orig_name]    => mypic.jpg     [client_name]  => mypic.jpg     [file_ext]     => .jpg     [file_size]    => 22.2     [is_image]     => 1     [image_width]  => 800     [image_height] => 600     [image_type]   => jpeg     [image_size_str] => width="800" height="200" )
+ Array
+ (
+ [file_name] => mypic.jpg
+ [file_type] => image/jpeg
+ [file_path] => /path/to/your/upload/
+ [full_path] => /path/to/your/upload/jpg.jpg
+ [raw_name] => mypic
+ [orig_name] => mypic.jpg
+ [client_name] => mypic.jpg
+ [file_ext] => .jpg
+ [file_size] => 22.2
+ [is_image] => 1
+ [image_width] => 800
+ [image_height] => 600
+ [image_type] => jpeg
+ [image_size_str] => width="800" height="200"
+ )
Explanation
***********