protected function FacetapiWidget::sortCallback in Facet API 6.3

Same name and namespace in other branches

1. 7.2 plugins/facetapi/widget.inc \FacetapiWidget::sortCallback()
2. 7 plugins/facetapi/widget.inc \FacetapiWidget::sortCallback()

Generic sort callback, useful as a callback to uasort().

Applies sorts in the order they are specified in the settings.

File

plugins/facetapi/widget.inc, line 240

Abstract widget plugin class.

Class

FacetapiWidget

Base class for widget plugins.

Code

protected function sortCallback(array $a, array $b) {
  $return = 0;
  foreach ($this->sorts as $sort) {
    if ($return = $sort['callback']($a, $b)) {
      if (SORT_DESC == $sort['order']) {
        $return *= -1;
      }
      break;
    }
  }
  return $return;
}