Fix PHPCS issues.

Closes #3502922

modules/facets_exposed_filters/src/Plugin/views/filter/FacetsFilter.php

@@ -11,7 +11,6 @@ use Drupal\facets\FacetInterface;
 use Drupal\facets\Hierarchy\HierarchyPluginBase;
 use Drupal\facets\Processor\ProcessorInterface;
 use Drupal\facets\Processor\SortProcessorInterface;
-use Drupal\facets\Result\Result;
 use Drupal\views\Plugin\views\filter\FilterPluginBase;
 
 /**
@@ -26,11 +25,15 @@ class FacetsFilter extends FilterPluginBase {
   /**
    * {@inheritdoc}
    */
+  // phpcs:ignore Drupal.NamingConventions.ValidVariableName.LowerCamelName
   public $no_operator = FALSE;
 
   /**
-   * Will be filled with the facet results after the query is executed.
+   * Stores the facet results after the query is executed.
+   *
+   * @var \Drupal\facets\Result\ResultInterface[]
    */
+  // phpcs:ignore Drupal.NamingConventions.ValidVariableName.LowerCamelName
   public $facet_results = [];
 
   /**
@@ -103,7 +106,7 @@ class FacetsFilter extends FilterPluginBase {
       return $form;
     }
 
-    // Retrieve the processed facet if we already done this in the current request.
+    // Retrieve the processed facet if already handled in the current request.
     $processed_facet = facets_exposed_filters_get_processed_facet($this->view->id(), $this->view->current_display, $this->options["id"]);
 
     // Empty facet results, return empty form.
@@ -134,8 +137,8 @@ class FacetsFilter extends FilterPluginBase {
       );
       $query_type_plugin->build();
 
-      // When no results are available, we do not need to process the facet or render the form item.
-      if(!$facet->getResults()) {
+      // Skip facet processing and form rendering if there are no results.
+      if (!$facet->getResults()) {
         return;
       }
 
@@ -151,7 +154,7 @@ class FacetsFilter extends FilterPluginBase {
         $facet->setResults($processor->build($facet, $facet->getResults()));
       }
 
-      // Trigger sort stage and sort the actual results with the sort processors.
+      // Allow processors to sort the results.
       $active_sort_processors = [];
       foreach ($facet->getProcessorsByStage(ProcessorInterface::STAGE_SORT) as $processor) {
         $active_sort_processors[] = $processor;
@@ -161,7 +164,8 @@ class FacetsFilter extends FilterPluginBase {
       }
       $facet->setActiveItems(array_values($active_facet_values));
 
-      // Store the processed facet so we can access it later (e.g. in an exposed form rendered as a block).
+      // Store the processed facet so we can access it later (e.g. in an exposed
+      // form rendered as a block).
       facets_exposed_filters_get_processed_facet($this->view->id(), $this->view->current_display, $this->options["id"], $facet);
     }
 
@@ -548,8 +552,9 @@ class FacetsFilter extends FilterPluginBase {
    * to retrieve the active filters from the request ourself.
    */
   private function getActiveFacetValues() {
-    // Reset button in ajax request. We probably want a better way to detect if this was clicked.
-    if(isset($_GET["reset"])) {
+    // Reset button in ajax request. We probably want a better way to detect if
+    // this was clicked.
+    if (isset($_GET["reset"])) {
       return [];
     }
     $exposed = $this->view->getExposedInput();