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Update input-file-upload.md

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Minor syntax changes.
This commit is contained in:
Christopher Vrooman
2014-11-28 13:45:09 -03:00
parent 8721e357cf
commit f98554b13a
1 changed files with 10 additions and 10 deletions
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docs/guide/input-file-upload.md
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@ -3,7 +3,7 @@ Uploading Files
> Note: This section is under development.
Uploading files in Yii is done via the form model, its validation rules and some controller code. Let's review what's needed
Uploading files in Yii is done via the a form model, its validation rules and some controller code. Let's review what's needed
to handle uploads properly.
Form model
@ -46,7 +46,7 @@ the HTML form. The attribute has the validation rule named `file` that uses [[yi
Form view
---------
Next create a view that will render the form.
Next, create a view that will render the form:
```php
<?php
@ -61,7 +61,7 @@ $form = ActiveForm::begin(['options' => ['enctype' => 'multipart/form-data']]);
<?php ActiveForm::end(); ?>
```
The `'enctype' => 'multipart/form-data'` is important since it allows file uploads. `fileInput()` represents a form
The `'enctype' => 'multipart/form-data'` is necessary because it allows file uploads. `fileInput()` represents a form
input field.
Controller
@ -96,10 +96,8 @@ class SiteController extends Controller
}
```
Instead of `model->load(...)` we are using `UploadedFile::getInstance(...)`. [[\yii\web\UploadedFile|UploadedFile]]
does not run the model validation. It only provides information about the uploaded file. Therefore, you need to run
validation manually via `$model->validate()`. This triggers the [[yii\validators\FileValidator|FileValidator]] that
expects a file:
Instead of `model->load(...)`, we are using `UploadedFile::getInstance(...)`. [[\yii\web\UploadedFile|UploadedFile]]
does not run the model validation, rather it only provides information about the uploaded file. Therefore, you need to run the validation manually via `$model->validate()` to trigger the [[yii\validators\FileValidator|FileValidator]] that expects a file:
```php
$file instanceof UploadedFile || $file->error == UPLOAD_ERR_NO_FILE //in the code framework
@ -144,7 +142,7 @@ public function rules()
}
```
Keep in mind that only the file extension will be validated, but not the actual file content. In order to validate content as well use the `mimeTypes` property of `FileValidator`:
Keep in mind that only the file extension will be validated, but not the actual file content. In order to validate the content as well, use the `mimeTypes` property of `FileValidator`:
```php
public function rules()
@ -164,7 +162,9 @@ received a valid image that can be then either saved or processed using the [Ima
### Uploading multiple files
If you need to download multiple files at once some adjustments are required. View:
If you need to download multiple files at once, some adjustments are required.
View:
```php
<?php
@ -241,5 +241,5 @@ class SiteController extends Controller
}
```
The difference is `UploadedFile::getInstances($model, 'file');` instead of `UploadedFile::getInstance($model, 'file');`.
The difference is using `UploadedFile::getInstances($model, 'file');` instead of `UploadedFile::getInstance($model, 'file');`.
The former returns instances for **all** uploaded files while the latter gives you only a single instance.