Definition of views_handler_filter_boolean_operator_string.
<?php /** * @file * Definition of views_handler_filter_boolean_operator_string. */ /** * Simple filter to handle matching of boolean values. * * This handler checks to see if a string field is empty (equal to '') or not. * It is otherwise identical to the parent operator. * * Definition items: * - label: (REQUIRED) The label for the checkbox. * * @ingroup views_filter_handlers */ class views_handler_filter_boolean_operator_string extends views_handler_filter_boolean_operator { function query() { $this->ensure_my_table(); $where = "$this->table_alias.$this->real_field "; if (empty($this->value)) { $where .= "= ''"; if ($this->accept_null) { $where = '(' . $where . " OR $this->table_alias.$this->real_field IS NULL)"; } } else { $where .= "<> ''"; } $this->query->add_where_expression($this->options['group'], $where); } }