easyappointments/application/helpers/session_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('session')) {
/**
* Get / set the specified session value.
*
* If an array is passed as the key, we will assume you want to set an array of values.
*
* Example "Get":
*
* $logged_in = session('logged_in', FALSE);
*
* Example "Set":
*
* session(['logged_in' => FALSE]);
*
* @param array|string|null $key Session item key.
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* @param mixed|null $default Default value in case the requested session item has no value.
*
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* @return mixed|NULL Returns the requested value or NULL if you assign a new session value.
*
* @throws InvalidArgumentException
*/
function session(array|string $key = null, mixed $default = null): mixed
{
/** @var EA_Controller $CI */
$CI = &get_instance();
if (empty($key)) {
throw new InvalidArgumentException('The $key argument cannot be empty.');
}
if (is_array($key)) {
foreach ($key as $item => $value) {
$CI->session->set_userdata($item, $value);
}
return null;
}
$value = $CI->session->userdata($key);
return $value ?? $default;
}
}