Gravity Form upload as attachment

gravity-form-upload-as-attachment.php

// gform_notification_FORMID, custom_function
add_filter('gform_notification_1', 'gfuaa_upload_attachment', 10, 3);

// http://gravityformspdfextended.com/topic/file-upload-as-attachments/
function gfuaa_upload_attachment( $notification, $form, $entry ) {

	//There is no concept of user notifications anymore, so we will need to target notifications based on other criteria, such as name
	if($notification["name"] == "Admin Notification"){

		$fileupload_fields = GFCommon::get_fields_by_type($form, array("fileupload"));

		if(!is_array($fileupload_fields))
			return $notification;

		$upload_root = RGFormsModel::get_upload_root();
		foreach($fileupload_fields as $field){
			$url = $entry[$field["id"]];
			$attachment = preg_replace('|^(.*?)/gravity_forms/|', $upload_root, $url);
			if($attachment){
				$notification["attachments"][] = $attachment;
			}
		}
	}
	return $notification;
}