PHP Classes
elePHPant
Icontem

File: system/core/compat/mbstring.php

Recommend this page to a friend!
  Classes of Asad Ullah  >  PHP Google Authenticator with CodeIgniter  >  system/core/compat/mbstring.php  >  Download  
File: system/core/compat/mbstring.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: 4,422 bytes
 

 

Contents

Class file image Download
<?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 3.0.0
 * @filesource
 */
defined('BASEPATH') OR exit('No direct script access allowed');

/**
 * PHP ext/mbstring compatibility package
 *
 * @package CodeIgniter
 * @subpackage CodeIgniter
 * @category Compatibility
 * @author Andrey Andreev
 * @link https://codeigniter.com/user_guide/
 * @link http://php.net/mbstring
 */

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

if (MB_ENABLED === TRUE)
{
    return;
}

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

if ( ! function_exists('mb_strlen'))
{
   
/**
     * mb_strlen()
     *
     * WARNING: This function WILL fall-back to strlen()
     * if iconv is not available!
     *
     * @link http://php.net/mb_strlen
     * @param string $str
     * @param string $encoding
     * @return int
     */
   
function mb_strlen($str, $encoding = NULL)
    {
        if (
ICONV_ENABLED === TRUE)
        {
            return
iconv_strlen($str, isset($encoding) ? $encoding : config_item('charset'));
        }

       
log_message('debug', 'Compatibility (mbstring): iconv_strlen() is not available, falling back to strlen().');
        return
strlen($str);
    }
}

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

if ( ! function_exists('mb_strpos'))
{
   
/**
     * mb_strpos()
     *
     * WARNING: This function WILL fall-back to strpos()
     * if iconv is not available!
     *
     * @link http://php.net/mb_strpos
     * @param string $haystack
     * @param string $needle
     * @param int $offset
     * @param string $encoding
     * @return mixed
     */
   
function mb_strpos($haystack, $needle, $offset = 0, $encoding = NULL)
    {
        if (
ICONV_ENABLED === TRUE)
        {
            return
iconv_strpos($haystack, $needle, $offset, isset($encoding) ? $encoding : config_item('charset'));
        }

       
log_message('debug', 'Compatibility (mbstring): iconv_strpos() is not available, falling back to strpos().');
        return
strpos($haystack, $needle, $offset);
    }
}

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

if ( ! function_exists('mb_substr'))
{
   
/**
     * mb_substr()
     *
     * WARNING: This function WILL fall-back to substr()
     * if iconv is not available.
     *
     * @link http://php.net/mb_substr
     * @param string $str
     * @param int $start
     * @param int $length
     * @param string $encoding
     * @return string
     */
   
function mb_substr($str, $start, $length = NULL, $encoding = NULL)
    {
        if (
ICONV_ENABLED === TRUE)
        {
            isset(
$encoding) OR $encoding = config_item('charset');
            return
iconv_substr(
               
$str,
               
$start,
                isset(
$length) ? $length : iconv_strlen($str, $encoding), // NULL doesn't work
               
$encoding
           
);
        }

       
log_message('debug', 'Compatibility (mbstring): iconv_substr() is not available, falling back to substr().');
        return isset(
$length)
            ?
substr($str, $start, $length)
            :
substr($str, $start);
    }
}