You also need to change imageFiles to imageFiles so that the attribute values are submitted as an array: ]) ?> field($model, 'imageFiles')->fileInput() ?>Īnd finally in the controller action, you should call UploadedFile::getInstances() instead of In the view file, you should add the multiple option to the fileInput() call so that the file upload fieldĬan receive multiple files.
, 'file', 'skipOnEmpty' => false, 'extensions' => 'png, jpg', 'maxFiles' => 4], The upload() method should also be updated to save the uploaded files one by one. The maximum number of files allowed to be uploaded simultaneously is also limited Setting maxFiles to 0 means there is no limit on the number of files The maximum number of files allowed to upload.
PHP FILE UPLOAD EXAMPLE CODE
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 Here is the Controller file hello.
The uploaded file is valid and save the file on the server. In this example we using Models, Views, Controller Structure for upload file. 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, There isn’t really much about this so first of all now change your src/app/home/ files in Yii is usually done with the help of yii\web\UploadedFile which encapsulates each uploadedįile as an UploadedFile object. The list itself shows all of our locally stored files (more on the logic later) with a button to upload the image and to delete the file and all references. This will trigger an action sheet, and once the user has finished the image dialog a new image will be displayed inside the list. We need to display a button so users can select am image to upload. Let’s start with the easiest part which is the view in our Ionic 4 image upload app. The View for Our Image Upload & Management App If you still encounter problems, you can open your platforms/ios/devdacticImages/Plugins/cordova-plugin-ionic-webview/CDVWKWebViewEngine.m and replace it with the contents of the fixed file. UPDATE: The issue is closed, so you shouldn’t get into any trouble. You can see the details in this issue which might already be fixed later. We don’t need any special routing so our image upload app is prepared for some action! Fix the WkWebView PluginĪt the time writing this tutorial there was also a bug within the webview plugin for iOS which leads to an app crash.