Fixed phpcs issues.

Closes #3353336

modules/imageapi_optimize_webp_responsive/imageapi_optimize_webp_responsive.module

 <?php
 
-use Drupal\responsive_image\Entity\ResponsiveImageStyle;
+/**
+ * @file
+ * Hook implementations for the ImageAPI Optimize WebP Responsive module.
+ */
+
 use Drupal\Core\Routing\RouteMatchInterface;
 use Drupal\image\Entity\ImageStyle;
+use Drupal\responsive_image\Entity\ResponsiveImageStyle;
 
 /**
  * Implements hook_help().
@@ -15,6 +20,7 @@ function imageapi_optimize_webp_responsive_help($route_name, RouteMatchInterface
       $output .= '<h3>' . t('About') . '</h3>';
       $output .= '<p>' . t('Implements WebP derivatives in core Responsive Images') . '</p>';
       return $output;
+
     default:
   }
 }
@@ -25,8 +31,9 @@ function imageapi_optimize_webp_responsive_help($route_name, RouteMatchInterface
 function imageapi_optimize_webp_responsive_preprocess_responsive_image(&$variables) {
   if (!empty($variables['sources'])) {
     $webp_sources = [];
-    //@todo: Use cache to store ImageStyles that utilize a pipeine with WebP processor.
-    // Load the ResponsiveImageStyle entity to access the ImageStyles for sources.
+    // @todo Use cache to store ImageStyles that utilize a pipeine with WebP processor.
+    // Load the ResponsiveImageStyle entity to access the ImageStyles
+    // for sources.
     $entity = ResponsiveImageStyle::load($variables['responsive_image_style_id']);
     $image_styles = ImageStyle::loadMultiple($entity->getImageStyleIds());
     $pipeline_webp_map = [];
@@ -46,7 +53,8 @@ function imageapi_optimize_webp_responsive_preprocess_responsive_image(&$variabl
             }
           }
         }
-        // If WebP processor exits on pipeline, build another map for jpg => webp paths.
+        // If WebP processor exits on pipeline, build another map for
+        // jpg => webp paths.
         if ($pipeline_webp_map[$image_style->getPipeline()]) {
           $image_uri = $image_style->buildUri($variables['uri']);
           $image_url = \Drupal::service('file_url_generator')->generateAbsoluteString($image_uri);
@@ -59,11 +67,13 @@ function imageapi_optimize_webp_responsive_preprocess_responsive_image(&$variabl
         }
       }
     }
-    // If WebP processors are found on any of the ImageStyles, add webp derivatives as sources.
+    // If WebP processors are found on any of the ImageStyles,
+    // add webp derivatives as sources.
     if ($image_style_map) {
       foreach ($variables['sources'] as $source) {
         $offset_key = NULL;
-        // Check for instances where srcset and data-srcset used interchangeably.
+        // Check for instances where srcset and data-srcset are
+        // used interchangeably.
         if ($source->offsetExists('srcset')) {
           $offset_key = 'srcset';
         }
@@ -74,7 +84,7 @@ function imageapi_optimize_webp_responsive_preprocess_responsive_image(&$variabl
         if ($offset_key) {
           $source_srcset = $source->offsetGet($offset_key)->value();
           $cloned_srcset = strtr($source_srcset, $image_style_map);
-          if($source_srcset != $cloned_srcset) {
+          if ($source_srcset != $cloned_srcset) {
             $source_webp = clone $source;
             $source_webp->offsetSet($offset_key, $cloned_srcset);
             $source_webp->offsetSet('type', 'image/webp');