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- <?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 {
- /**
- * {@inheritdoc}
- */
- public 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);
- }
- }
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