93 lines
2.1 KiB
PHP
93 lines
2.1 KiB
PHP
|
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
|
||
|
|
/**
|
||
|
|
* CodeIgniter
|
||
|
|
*
|
||
|
|
* An open source application development framework for PHP 4.3.2 or newer
|
||
|
|
*
|
||
|
|
* @package CodeIgniter
|
||
|
|
* @author ExpressionEngine Dev Team
|
||
|
|
* @copyright Copyright (c) 2008 - 2010, EllisLab, Inc.
|
||
|
|
* @license http://codeigniter.com/user_guide/license.html
|
||
|
|
* @link http://codeigniter.com
|
||
|
|
* @since Version 1.0
|
||
|
|
* @filesource
|
||
|
|
*/
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Compatibility Functions
|
||
|
|
*
|
||
|
|
* Function overrides for older versions of PHP or PHP environments missing
|
||
|
|
* certain extensions / libraries
|
||
|
|
*
|
||
|
|
* @package CodeIgniter
|
||
|
|
* @subpackage codeigniter
|
||
|
|
* @category Compatibility Functions
|
||
|
|
* @author ExpressionEngine Development Team
|
||
|
|
* @link http://codeigniter.com/user_guide/
|
||
|
|
*/
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------
|
||
|
|
|
||
|
|
/*
|
||
|
|
* PHP versions prior to 5.0 don't support the E_STRICT constant
|
||
|
|
* so we need to explicitly define it otherwise the Exception class
|
||
|
|
* will generate errors when running under PHP 4
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
if ( ! defined('E_STRICT'))
|
||
|
|
{
|
||
|
|
define('E_STRICT', 2048);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* ctype_digit()
|
||
|
|
*
|
||
|
|
* Determines if a string is comprised only of digits
|
||
|
|
* http://us.php.net/manual/en/function.ctype_digit.php
|
||
|
|
*
|
||
|
|
* @access public
|
||
|
|
* @param string
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
if ( ! function_exists('ctype_digit'))
|
||
|
|
{
|
||
|
|
function ctype_digit($str)
|
||
|
|
{
|
||
|
|
if ( ! is_string($str) OR $str == '')
|
||
|
|
{
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ! preg_match('/[^0-9]/', $str);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// --------------------------------------------------------------------
|
||
|
|
|
||
|
|
/**
|
||
|
|
* ctype_alnum()
|
||
|
|
*
|
||
|
|
* Determines if a string is comprised of only alphanumeric characters
|
||
|
|
* http://us.php.net/manual/en/function.ctype-alnum.php
|
||
|
|
*
|
||
|
|
* @access public
|
||
|
|
* @param string
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
if ( ! function_exists('ctype_alnum'))
|
||
|
|
{
|
||
|
|
function ctype_alnum($str)
|
||
|
|
{
|
||
|
|
if ( ! is_string($str) OR $str == '')
|
||
|
|
{
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ! preg_match('/[^0-9a-z]/i', $str);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* End of file Compat.php */
|
||
|
|
/* Location: ./system/codeigniter/Compat.php */
|