easyappointments/application/helpers/env_helper.php
2021-10-23 13:41:41 +02:00

37 lines
1.1 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 v1.5.0
* ---------------------------------------------------------------------------- */
if ( ! function_exists('env'))
{
/**
* Gets the value of an environment variable.
*
* Example:
*
* $debug = env('debug', FALSE);
*
* @param string $key Environment key.
* @param mixed $default Default value in case the requested variable has no value.
*
* @return mixed
*/
function env(string $key, $default = NULL)
{
if (empty($key))
{
throw new InvalidArgumentException('The $key argument cannot be empty.');
}
return $_ENV[$key] ?? $default;
}
}