iflrandevu/application/helpers/asset_helper.php

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<?php defined('BASEPATH') or exit('No direct script access allowed');
/* ----------------------------------------------------------------------------
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* Easy!Appointments - Online Appointment Scheduler
*
* @package EasyAppointments
* @author A.Tselegidis <alextselegidis@gmail.com>
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* @copyright Copyright (c) Alex Tselegidis
* @license https://opensource.org/licenses/GPL-3.0 - GPLv3
* @link https://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.
*/
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function asset_url(string $uri = '', string $protocol = NULL): string
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{
$debug = config('debug');
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$cache_busting_token = ! $debug ? '?' . config('cache_busting_token') : '';
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if (str_contains(basename($uri), '.js') && ! str_contains(basename($uri), '.min.js') && ! $debug)
{
$uri = str_replace('.js', '.min.js', $uri);
}
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if (str_contains(basename($uri), '.css') && ! str_contains(basename($uri), '.min.css') && ! $debug)
{
$uri = str_replace('.css', '.min.css', $uri);
}
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return base_url($uri . $cache_busting_token, $protocol);
}