RadGH

<?php

/**
 * This function uploads a file from a URL to the media library, designed to be placed in your own theme or plugin.
 * Metadata will be generated and images will generate thumbnails automatically.
 *
 * HOW TO USE:
 *    1. Add the function below to your theme or plugin
 *    2. Call the function and provide the URL to an image or other file.
 *    3. If successful, the attachment ID will be returned.