![]() ![]() Setting maxFiles to 0 means there is no limit on the number of files The maximum number of files allowed to upload. You can also upload multiple files at once, with some adjustments to the code listed in the previous subsections.įirst you should adjust the model class by adding the maxFiles option in the file validation rule to limit The uploaded file is valid and save the file on the server. We then rely on the model validation to make sure To represent the uploaded file as an UploadedFile instance. In the above code, when the form is submitted, the yii\web\UploadedFile::getInstance() method is called $model->imageFile = UploadedFile::getInstance($model, 'imageFile') Now in a controller action, write the code to wire up the model and the view to implement file uploading: namespace app\ controllers Tip: since version 2.0.8, fileInput adds enctype option to the formĪutomatically when file input field is used. The fileInput() call will render a tag which will allow users to select a file to upload. It is important to remember that you add the enctype option to the form so that the file can be properly uploaded. Next, create a file input in a view: ]) ?> field($model, 'imageFile')->fileInput() ?> That can be then either saved or processed using the Imagine Extension. Implemented via yii\validators\ImageValidator which verifies if an attribute has received a valid image Tip: If you are uploading an image, you may consider using the image validator instead. ![]() The Core Validators section for more details. The file validator allows you to check file extensions, size, MIME type, etc. The upload() method will perform the validation and save the uploaded file on the server. It is associated withĪ file validation rule which uses yii\validators\FileValidator to ensure a file with extension name png or jpg In the code above, the imageFile attribute is used to keep the uploaded file instance. , 'file', 'skipOnEmpty' => false, 'extensions' => 'png, jpg'], You should also declare a validation rule to validate the file upload. Of the model to keep the uploaded file instance. Like working with plain text inputs, to upload a single file you would create a model class and use an attribute You can easily implement a secure file uploading mechanism. Combined with yii\widgets\ActiveForm and models, ![]() Uploading files in Yii is usually done with the help of yii\web\UploadedFile which encapsulates each uploadedįile as an UploadedFile object. ![]()
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