function MappingTest::filterNumericFields

Restricts the allowed fields to only numeric fields.

Parameters

array $fields: An array of field labels, keyed by the field ID.

File

core/modules/views/tests/modules/views_test_data/src/Plugin/views/style/MappingTest.php, line 58

Class

MappingTest

Provides a test plugin for the mapping style.

Namespace

Code

protected function filterNumericFields(&$fields) {
  foreach ($this->view->field as $id => $field) {
    if (!$field instanceof NumericField) {
      unset($fields[$id]);
    }
  }
}