class NumericSorter in Views XML Backend 8

Provides sorting for numbers.

Hierarchy

• class \Drupal\views_xml_backend\Sorter\StringSorter implements SorterInterface
  • class \Drupal\views_xml_backend\Sorter\NumericSorter

3 files declare their use of NumericSorter

Numeric.php in src/Plugin/views/sort/Numeric.php

Contains \Drupal\views_xml_backend\Plugin\views\sort\Numeric.

NumericSorterTest.php in tests/src/Unit/Sorter/NumericSorterTest.php

NumericTest.php in tests/src/Unit/Plugin/views/sort/NumericTest.php

Contains \Drupal\Tests\views_xml_backend\Unit\Plugin\views\sort\NumericTest.

File

src/Sorter/NumericSorter.php, line 15

Contains \Drupal\views_xml_backend\Sorter\NumericSorter.

Namespace

Drupal\views_xml_backend\Sorter

class NumericSorter extends StringSorter {

  /**
   * {@inheritdoc}
   */
  public function __invoke(array &$result) {

    // Notice the order of the subtraction.
    switch ($this->direction) {
      case 'ASC':
        usort($result, function (ResultRow $a, ResultRow $b) {
          $compare = reset($a->{$this->field}) - reset($b->{$this->field});
          if ($compare === 0) {
            return $a->index < $b->index ? -1 : 1;
          }
          return $compare;
        });
        break;
      case 'DESC':
        usort($result, function (ResultRow $a, ResultRow $b) {
          $compare = reset($b->{$this->field}) - reset($a->{$this->field});
          if ($compare === 0) {
            return $a->index < $b->index ? -1 : 1;
          }
          return $compare;
        });
        break;
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
NumericSorter::__invoke	public	function	Sorts a views result. Overrides StringSorter::__invoke
StringSorter::$direction	protected	property	The direction to sort.
StringSorter::$field	protected	property	The field of the result to sort.
StringSorter::__construct	public	function	Constructs a StringSorter object.