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File: system/helpers/array_helper.php

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File: system/helpers/array_helper.php
Role: Auxiliary script
Content type: text/plain
Description: Auxiliary script
Class: PHP Google Authenticator with CodeIgniter
2fa Google Authenticator implementation
Author: By
Last change:
Date: 1 year ago
Size: 3,495 bytes
 

 

Contents

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<?php
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP
 *
 * This content is released under the MIT License (MIT)
 *
 * Copyright (c) 2014 - 2018, British Columbia Institute of Technology
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * @package CodeIgniter
 * @author EllisLab Dev Team
 * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
 * @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
 * @license http://opensource.org/licenses/MIT MIT License
 * @link https://codeigniter.com
 * @since Version 1.0.0
 * @filesource
 */
defined('BASEPATH') OR exit('No direct script access allowed');

/**
 * CodeIgniter Array Helpers
 *
 * @package CodeIgniter
 * @subpackage Helpers
 * @category Helpers
 * @author EllisLab Dev Team
 * @link https://codeigniter.com/user_guide/helpers/array_helper.html
 */

// ------------------------------------------------------------------------

if ( ! function_exists('element'))
{
   
/**
     * Element
     *
     * Lets you determine whether an array index is set and whether it has a value.
     * If the element is empty it returns NULL (or whatever you specify as the default value.)
     *
     * @param string
     * @param array
     * @param mixed
     * @return mixed depends on what the array contains
     */
   
function element($item, array $array, $default = NULL)
    {
        return
array_key_exists($item, $array) ? $array[$item] : $default;
    }
}

// ------------------------------------------------------------------------

if ( ! function_exists('random_element'))
{
   
/**
     * Random Element - Takes an array as input and returns a random element
     *
     * @param array
     * @return mixed depends on what the array contains
     */
   
function random_element($array)
    {
        return
is_array($array) ? $array[array_rand($array)] : $array;
    }
}

// --------------------------------------------------------------------

if ( ! function_exists('elements'))
{
   
/**
     * Elements
     *
     * Returns only the array items specified. Will return a default value if
     * it is not set.
     *
     * @param array
     * @param array
     * @param mixed
     * @return mixed depends on what the array contains
     */
   
function elements($items, array $array, $default = NULL)
    {
       
$return = array();

       
is_array($items) OR $items = array($items);

        foreach (
$items as $item)
        {
           
$return[$item] = array_key_exists($item, $array) ? $array[$item] : $default;
        }

        return
$return;
    }
}