How to cancel upload file to server and delete file (between upload not finished) when we use ajax post requests to upload file?
<p>How to cancel upload file to server and delete file (between upload not finished) when we use ajax post requests to upload file ?</p>

<p>this is my ajax upload</p>

<pre><code>$.ajax({
    url: 'example.php',
    dataType: 'text',
    cache: false,
    contentType: false,
    processData: false,
    data: form_data,                         
    type: 'post',
    success: function(php_script_response){
    }
});
</code></pre>

<p>example.php</p>

<pre><code>move_uploaded_file($_FILES["file"]["tmp_name"], "dir/" . $_FILES["file"]["name"]);
</code></pre>