file upload in cakephp 2.3

Question

I\'m new in cakephp and i\'m trying to create a simple file upload with cakephp 2.3 here is my controller

public function add() {
    if ($this->request-&         


        

Answer 1

You seem to be using the wrong 'key' to access the posted data;

$this->data['posts'][....

Should match the 'alias' of you Model; singular and a captial first letter

$this->data['Post'][....

Also, $this->data is a wrapper for $this->request->data for backwards compatibility, so it's better to use this;

$this->request->data['Post'][...

To check the content of the posted data and understand how it's structured, you may debug it using this;

debug($this->request);

Just be sure to enable debugging, by setting debug to 1 or 2 inside app/Config/core.php

Update; duplicate Form tags!

I just noticed you're also creating multiple (nested) forms in your code;

echo $this->Form->input('keywords');

// This creates ANOTHER form INSIDE the previous one!
echo $this->Form->create('Post', array( 'type' => 'file'));

echo $this->Form->input('doc_file',array( 'type' => 'file'));

Nesting forms will never work, remove that line and add the 'type => file' to the first Form->create()

Using only the file name for the database

The "Array to string conversion" problem is cause by the fact that you're trying to directly use the data of 'doc_file' for your database. Because this is a file-upload field, 'doc_file' will contain an Array of data ('name', 'tmp_name' etc.).

For your database, you only need the 'name' of that array so you need to modify the data before saving it to your database.

For example this way;

// Initialize filename-variable
$filename = null;

if (
    !empty($this->request->data['Post']['doc_file']['tmp_name'])
    && is_uploaded_file($this->request->data['Post']['doc_file']['tmp_name'])
) {
    // Strip path information
    $filename = basename($this->request->data['Post']['doc_file']['name']); 
    move_uploaded_file(
        $this->data['Post']['doc_file']['tmp_name'],
        WWW_ROOT . DS . 'documents' . DS . $filename
    );
}

// Set the file-name only to save in the database
$this->data['Post']['doc_file'] = $filename;