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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 {
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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