easyappointments/application/helpers/asset_helper.php

44 lines
1.6 KiB
PHP

<?php defined('BASEPATH') or exit('No direct script access allowed');
/* ----------------------------------------------------------------------------
* Easy!Appointments - Open Source Web Scheduler
*
* @package EasyAppointments
* @author A.Tselegidis <alextselegidis@gmail.com>
* @copyright Copyright (c) 2013 - 2020, Alex Tselegidis
* @license http://opensource.org/licenses/GPL-3.0 - GPLv3
* @link http://easyappointments.org
* @since v1.3.0
* ---------------------------------------------------------------------------- */
/**
* Assets URL helper function.
*
* This function will create an asset file URL that includes a cache busting parameter in order
* to invalidate the browser cache in case of an update.
*
* @param string $uri Relative URI (just like the one used in the base_url helper).
* @param string|null $protocol Valid URI protocol.
*
* @return string Returns the final asset URL.
*/
function asset_url($uri = '', $protocol = NULL)
{
$framework =& get_instance();
$debug = $framework->config->item('debug');
$cache_busting_token = ! $debug ? '?' . $framework->config->item('cache_busting_token') : '';
if (strpos(basename($uri), '.js') !== FALSE && strpos(basename($uri), '.min.js') === FALSE && ! $debug)
{
$uri = str_replace('.js', '.min.js', $uri);
}
if (strpos(basename($uri), '.css') !== FALSE && strpos(basename($uri), '.min.css') === FALSE && ! $debug)
{
$uri = str_replace('.css', '.min.css', $uri);
}
return base_url($uri . $cache_busting_token, $protocol);
}