I have this plugin I've made for uploading an image before an order can be completed, but for the life of me I can't get the image to upload. $_FILES will always return nothing, I'm not sure why though. I'd like it to be that the checkout won't be completed until the image is uploaded, is this even possible? *I've been told that woocommerce uses ajax for the cart
<?php
    /*
        @package            UploadTest
        @wordpress_plugin
        Plugin Name:            UploadTest
        Plugin URI:             null
        Description:            
        Author:                 Goodship
        Version:                0.0.2
        Author URI:             www.Goodship.co.za
    */
    function add_image(){
        $testLog = fopen(plugin_dir_path( __FILE__ )."testicle.txt","w") or exit ("Unable to open file!");
        //if they DID upload a file...
        if($_FILES['testUpload']['name']){
            //if no errors...
            if(!$_FILES['testUpload']['error']){
                //now is the time to modify the future file name and validate the file
                $new_file_name = strtolower($_FILES['testUpload']['tmp_name']); //rename file
                if($_FILES['testUpload']['size'] > (1024000)) //can't be larger than 1 MB
                {
                    $valid_file = false;
                    $message = 'Oops!  Your file\'s size is to large.';
                }
                //if the file has passed the test
                if($valid_file){
                    //move it to where we want it to be
                    move_uploaded_file($_FILES['testUpload']['tmp_name'], plugin_dir_path( __FILE__ ).'uploads/'.$new_file_name);
                    $message = 'Congratulations!  Your file was accepted.';
                }
            }
            //if there is an error...
            else
            {
                //set that to be the returned message
                $message = 'Ooops!  Your upload triggered the following error:  '.$_FILES['testUpload']['error'];
            }
        }
        fwrite ($testLog ,$message);
        fwrite ($testLog ,var_dump($_FILES));
        fclose ($testLog);
    }
    add_action( 'woocommerce_checkout_update_order_meta', 'add_image');
    function add_checkout_notice() {
        echo    '<input type="file" name="testUpload" />';
    }
    add_action( 'woocommerce_checkout_before_customer_details', 'add_checkout_notice');
    ?>
 
     
     
     
    