mirror of
https://github.com/alextselegidis/easyappointments.git
synced 2024-12-23 15:12:44 +03:00
37 lines
1.1 KiB
PHP
37 lines
1.1 KiB
PHP
<?php defined('BASEPATH') or exit('No direct script access allowed');
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/* ----------------------------------------------------------------------------
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* Easy!Appointments - Online Appointment Scheduler
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*
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* @package EasyAppointments
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* @author A.Tselegidis <alextselegidis@gmail.com>
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* @copyright Copyright (c) Alex Tselegidis
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* @license https://opensource.org/licenses/GPL-3.0 - GPLv3
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* @link https://easyappointments.org
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* @since v1.5.0
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* ---------------------------------------------------------------------------- */
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if (!function_exists('env')) {
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/**
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* Gets the value of an environment variable.
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*
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* Example:
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*
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* $debug = env('debug', FALSE);
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*
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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.
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*
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* @return mixed
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*
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* @throws InvalidArgumentException
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*/
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function env(string $key, mixed $default = null): mixed
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{
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if (empty($key)) {
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throw new InvalidArgumentException('The $key argument cannot be empty.');
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}
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return $_ENV[$key] ?? $default;
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}
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}
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