/**
* Overwrites the `update()` method so we can save some extra data.
*
* @since 3.0.0
* @access public
* @param string $value
* @return string
*/
protected function update($value)
{
if ($value) {
$post_id = attachment_url_to_postid($value);
if ($post_id) {
$image = wp_get_attachment_image_src($post_id);
if ($image) {
// Set up a custom array of data to save.
$data = array('url' => esc_url_raw($image[0]), 'width' => absint($image[1]), 'height' => absint($image[2]), 'id' => absint($post_id));
set_theme_mod("{$this->id_data['base']}_data", $data);
}
}
}
// No media? Remove the data mod.
if (empty($value) || empty($post_id) || empty($image)) {
remove_theme_mod("{$this->id_data['base']}_data");
}
// Let's send this back up and let the parent class do its thing.
return parent::update($value);
}
