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Upload PHP Class Overview

The Upload JSP tag is a server-side wrapper for the Kendo UI Upload widget.

Getting Started

Modes of Operation

The Upload supports two main modes of operation:

  • Sync—During the synchronous mode files are uploaded when the form is submitted.
  • Async—During the asynchronous mode files are uploaded out-of-band using AJAX requests.

Configuration

Below are listed the steps for you to follow when configuring the Upload for asynchronous operations.

Step 1 Make sure you followed all the steps from the introductory article on Telerik UI for JSP.

Step 2 Create an Upload and configure its async options.

Example
    <?php
    $upload = new \Kendo\UI\Upload('files[]');
    $upload->async(array(
            'saveUrl' => 'save.php'
    ));
    ?>

Step 3 Output the Upload by echoing the result of the render method.

Example
    <?php
    echo $upload->render();
    ?>

Step 4 Create the save.php handler.

Example
    <?php
    $files = $_FILES['files'];
    // Save the uploaded files
    for ($index = 0; $index < count($files['name']); $index++) {
        $file = $files['tmp_name'][$index];
        if (is_uploaded_file($file)) {
            move_uploaded_file($file, './' . $files['name'][$index]);
        }
    }
    ?>

Event Handling

You can subscribe to all Upload events.

Specify Function Names

The example below demonstrates how to subscribe for events by specifying a JavaScript function name.

Example
    <?php
    $upload = new \Kendo\UI\Upload('upload');

    // The 'upload_select' JavaScript function will handle the 'select' event of the upload
    $upload->select('upload_select');

    echo $upload->render();
    ?>
    <script>
    function upload_select() {
        // Handle the select event
    }
    </script>

Provide Inline Code

The example below demonstrates how to subscribe to events by providing inline JavaScript code.

Example
    <?php
    $upload = new \Kendo\UI\Upload('upload');

    // Provide inline JavaScript code that will handle the 'select' event of the upload
    $upload->select('function() { /* Handle the select event */ }');

    echo $upload->render();
    ?>

Reference

Client-Side Instances

You are able to reference an existing Upload instance via the jQuery.data(). Once a reference is established, use the Upload API to control its behavior.

Example
    <?php
    $upload = new \Kendo\UI\Upload('upload');
    echo $upload->render();
    ?>
    <script>
    $(function() {
        // The constructor parameter is used as the 'id' HTML attribute of the upload
        var upload = $("#upload").data("kendoUpload")
    });
    </script>

See Also

Other articles on Telerik UI for PHP and on the Upload:

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