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How to upload a file using a model

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Title unchanged

How to upload a file using a model

Category unchanged

Tutorials

Yii version unchanged

Tags unchanged

File upload

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## The Model
 
 
First declare an attribute to store the file name in the model class (either a form model or an active record model). 
 
Also declare a `file` validation rule for this attribute to ensure a file is uploaded with specific extension name.
[...]
{
return array(
array('image', 'file', 'types'=>'jpg, gif, png', 'safe' => false),
);
}
[...]
```

You can add others validation parameters as described in [CFileValidator].
 
For instance, one can add a "maxSize" restriction (the PHP ini settings will of course prevail).
 
 
## The Controller
 
 
Then, in the controller class define an action method to render the form and collect user-submitted data.
[...]
```

Finally, create the action view and generate a file upload field[CUploadedFile::saveAs()] in one of the methods of [CUploadedFile].
 
You can also access directly to the file through its "tempName" property.
 
 
## The View
 
 
Finally, create the action view and generate a file upload field.
 
 
 
```php 
$form = $this->beginWidget(
 
'CActiveForm',
 
array(
 
'id' => 'upload-form',
 
'enableAjaxValidation' => false,
 
'htmlOptions' => array('enctype' => 'multipart/form-data'),
 
)
 
);
 
// ...
 
echo $form->labelEx($model, 'image');
 
echo $form->fileField($model, 'image');
 
echo $form->error($model, 'image');
 
// ...
 
echo CHtml::submitButton('Submit');
 
$this->endWidget();
 
```
 
 
Another syntax is to use static calls in [CHtml] instead of [CActiveForm].
 
The result is the same as above.
[...]
<?php echo CHtml::activeFileField($model, 'image'); ?>
...
<?php echo CHtml::submitButton('Submit'); ?>
 
<?php echo CHtml::endForm(); ?> ``` ### Links * [Russian Version](http://dbhelp.ru/form-file-upload/page/)
 
[Chinese version](http://projects.ourplanet.tk/node/93)* [Persian Version](http://shgn.ir/%d8%a2%d9%be%d9%84%d9%88%d8%af-%d9%81%d8%a7%db%8c%d9%84-%d8%af%d8%b1-yii/)
 
* [You can also check : How to upload image(photo), and path entry in datebase with update functionality](http://www.yiiframework.com/wiki/349/how-to-upload-image-photo-and-path-entry-in-datebase-with-update-functionality/ "How to upload image(photo), and path entry in datebase with update functionality")
 
 
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Viewed: 519 755 times
Version: 1.1
Category: Tutorials
Tags: File upload
Written by: qiang
Last updated by: samdark
Created on: Feb 4, 2009
Last updated: 9 years ago
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