$csid = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_OptionValue', 'CRM_Contact_Form_Search_Custom_FullText', 'value', 'name');
$url = CRM_Utils_System::url("civicrm/contact/search/custom", "csid={$csid}&reset=1");
$operators = implode("', '", $operators);
$csid = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_OptionValue', 'CRM_Contact_Form_Search_Custom_FullText', 'value', 'name');
$url = CRM_Utils_System::url("civicrm/contact/search/custom", "csid={$csid}&reset=1");
$operators = implode("', '", $operators);