208             $filter = $this->_makeFilter($this->getConf('userfilter'), $info);
210             $filter = "(ObjectClass=*)";
213         $sr     = $this->_ldapsearch($this->con, $base, $filter, $this->getConf('userscope'));
216 …      $this->_debug('LDAP search at: '.htmlspecialchars($base.' '.$filter), 0, __LINE__, __FILE__);
262             $filter = $this->_makeFilter($this->getConf('groupfilter'), $user_result);
263 …$sr     = $this->_ldapsearch($this->con, $base, $filter, $this->getConf('groupscope'), array($this…
265 …      $this->_debug('LDAP search at: '.htmlspecialchars($base.' '.$filter), 0, __LINE__, __FILE__);
478      * @param array $filter
481     public function getUserCount($filter = array()) {  argument
485         if(!count($filter)) return count($this->users);
488         $this->_constructPattern($filter);
502      * @param   array $filter array of field/pattern pairs
505     public function retrieveUsers($start = 0, $limit = 0, $filter = array()) {  argument
514         $this->_constructPattern($filter);
536      * @param   string $filter ldap search filter with placeholders
540     protected function _makeFilter($filter, $placeholders) {  argument
541         preg_match_all("/%{([^}]+)/", $filter, $matches, PREG_PATTERN_ORDER);
551             $filter = str_replace('%{'.$match.'}', $value, $filter);
553         return $filter;
680      * @param array $filter
682     protected function _constructPattern($filter) {  argument
684         foreach($filter as $item => $pattern) {
808      * @param string   $filter
815 …protected function _ldapsearch($link_identifier, $base_dn, $filter, $scope = 'sub', $attributes = …  argument
821                 $link_identifier, $base_dn, $filter, $attributes,
826                 $link_identifier, $base_dn, $filter, $attributes,
831                 $link_identifier, $base_dn, $filter, $attributes,