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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Ldap
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Converter.php 17826 2009-08-26 15:01:34Z sgehrig $
*/
/**
* Zend_Ldap_Converter is a collection of useful LDAP related conversion functions.
*
* @category Zend
* @package Zend_Ldap
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Ldap_Converter
{
/**
* Converts all ASCII chars < 32 to "\HEX"
*
* @see Net_LDAP2_Util::asc2hex32() from Benedikt Hallinger <beni@php.net>
* @link http://pear.php.net/package/Net_LDAP2
* @author Benedikt Hallinger <beni@php.net>
*
* @param string $string String to convert
* @return string
*/
public static function ascToHex32($string)
{
for ($i = 0; $i<strlen($string); $i++) {
$char = substr($string, $i, 1);
if (ord($char)<32) {
$hex = dechex(ord($char));
if (strlen($hex) == 1) $hex = '0' . $hex;
$string = str_replace($char, '\\' . $hex, $string);
}
}
return $string;
}
/**
* Converts all Hex expressions ("\HEX") to their original ASCII characters
*
* @see Net_LDAP2_Util::hex2asc() from Benedikt Hallinger <beni@php.net>,
* heavily based on work from DavidSmith@byu.net
* @link http://pear.php.net/package/Net_LDAP2
* @author Benedikt Hallinger <beni@php.net>, heavily based on work from DavidSmith@byu.net
*
* @param string $string String to convert
* @return string
*/
public static function hex32ToAsc($string)
{
$string = preg_replace("/\\\([0-9A-Fa-f]{2})/e", "''.chr(hexdec('\\1')).''", $string);
return $string;
}
}
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