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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
  * @subpackage Filter
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /**
  * @see Zend_Ldap_Filter_String
  */
 // require_once 'Zend/Ldap/Filter/String.php';
 
 /**
  * Zend_Ldap_Filter.
  *
  * @category   Zend
  * @package    Zend_Ldap
  * @subpackage Filter
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Ldap_Filter extends Zend_Ldap_Filter_String
 {
     const TYPE_EQUALS         = '=';
     const TYPE_GREATER        = '>';
     const TYPE_GREATEROREQUAL = '>=';
     const TYPE_LESS           = '<';
     const TYPE_LESSOREQUAL    = '<=';
     const TYPE_APPROX         = '~=';
 
     /**
      * Creates an 'equals' filter.
      * (attr=value)
      *
      * @param  string $attr
      * @param  string $value
      * @return Zend_Ldap_Filter
      */
     public static function equals($attr, $value)
     {
         return new self($attr, $value, self::TYPE_EQUALS, null, null);
     }
 
     /**
      * Creates a 'begins with' filter.
      * (attr=value*)
      *
      * @param  string $attr
      * @param  string $value
      * @return Zend_Ldap_Filter
      */
     public static function begins($attr, $value)
     {
         return new self($attr, $value, self::TYPE_EQUALS, null, '*');
     }
 
     /**
      * Creates an 'ends with' filter.
      * (attr=*value)
      *
      * @param  string $attr
      * @param  string $value
      * @return Zend_Ldap_Filter
      */
     public static function ends($attr, $value)
     {
         return new self($attr, $value, self::TYPE_EQUALS, '*', null);
     }
 
     /**
      * Creates a 'contains' filter.
      * (attr=*value*)
      *
      * @param  string $attr
      * @param  string $value
      * @return Zend_Ldap_Filter
      */
     public static function contains($attr, $value)
     {
         return new self($attr, $value, self::TYPE_EQUALS, '*', '*');
     }
 
     /**
      * Creates a 'greater' filter.
      * (attr>value)
      *
      * @param  string $attr
      * @param  string $value
      * @return Zend_Ldap_Filter
      */
     public static function greater($attr, $value)
     {
         return new self($attr, $value, self::TYPE_GREATER, null, null);
     }
 
     /**
      * Creates a 'greater or equal' filter.
      * (attr>=value)
      *
      * @param  string $attr
      * @param  string $value
      * @return Zend_Ldap_Filter
      */
     public static function greaterOrEqual($attr, $value)
     {
         return new self($attr, $value, self::TYPE_GREATEROREQUAL, null, null);
     }
 
     /**
      * Creates a 'less' filter.
      * (attr<value)
      *
      * @param  string $attr
      * @param  string $value
      * @return Zend_Ldap_Filter
      */
     public static function less($attr, $value)
     {
         return new self($attr, $value, self::TYPE_LESS, null, null);
     }
 
     /**
      * Creates an 'less or equal' filter.
      * (attr<=value)
      *
      * @param  string $attr
      * @param  string $value
      * @return Zend_Ldap_Filter
      */
     public static function lessOrEqual($attr, $value)
     {
         return new self($attr, $value, self::TYPE_LESSOREQUAL, null, null);
     }
 
     /**
      * Creates an 'approx' filter.
      * (attr~=value)
      *
      * @param  string $attr
      * @param  string $value
      * @return Zend_Ldap_Filter
      */
     public static function approx($attr, $value)
     {
         return new self($attr, $value, self::TYPE_APPROX, null, null);
     }
 
     /**
      * Creates an 'any' filter.
      * (attr=*)
      *
      * @param  string $attr
      * @return Zend_Ldap_Filter
      */
     public static function any($attr)
     {
         return new self($attr, '', self::TYPE_EQUALS, '*', null);
     }
 
     /**
      * Creates a simple custom string filter.
      *
      * @param  string $filter
      * @return Zend_Ldap_Filter_String
      */
     public static function string($filter)
     {
         return new Zend_Ldap_Filter_String($filter);
     }
 
     /**
      * Creates a simple string filter to be used with a mask.
      *
      * @param string $mask
      * @param string $value
      * @return Zend_Ldap_Filter_Mask
      */
     public static function mask($mask, $value)
     {
         /**
          * Zend_Ldap_Filter_Mask
          */
         // require_once 'Zend/Ldap/Filter/Mask.php';
         return new Zend_Ldap_Filter_Mask($mask, $value);
     }
 
     /**
      * Creates an 'and' filter.
      *
      * @param  Zend_Ldap_Filter_Abstract $filter,...
      * @return Zend_Ldap_Filter_And
      */
     public static function andFilter($filter)
     {
         /**
          * Zend_Ldap_Filter_And
          */
         // require_once 'Zend/Ldap/Filter/And.php';
         return new Zend_Ldap_Filter_And(func_get_args());
     }
 
     /**
      * Creates an 'or' filter.
      *
      * @param  Zend_Ldap_Filter_Abstract $filter,...
      * @return Zend_Ldap_Filter_Or
      */
     public static function orFilter($filter)
     {
         /**
          * Zend_Ldap_Filter_Or
          */
         // require_once 'Zend/Ldap/Filter/Or.php';
         return new Zend_Ldap_Filter_Or(func_get_args());
     }
 
     /**
      * Create a filter string.
      *
      * @param  string $attr
      * @param  string $value
      * @param  string $filtertype
      * @param  string $prepend
      * @param  string $append
      * @return string
      */
     private static function _createFilterString($attr, $value, $filtertype, $prepend = null, $append = null)
     {
         $str = $attr . $filtertype;
         if ($prepend !== null) $str .= $prepend;
         $str .= self::escapeValue($value);
         if ($append !== null) $str .= $append;
         return $str;
     }
 
     /**
      * Creates a new Zend_Ldap_Filter.
      *
      * @param string $attr
      * @param string $value
      * @param string $filtertype
      * @param string $prepend
      * @param string $append
      */
     public function __construct($attr, $value, $filtertype, $prepend = null, $append = null)
     {
         $filter = self::_createFilterString($attr, $value, $filtertype, $prepend, $append);
         parent::__construct($filter);
     }
 }