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<?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 Dev 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/core/Compat.php */
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