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