ISTWCMS-4104: code standards

uw_cfg_common.module

@@ -17,12 +17,14 @@ use Drupal\webform\WebformSubmissionStorageInterface;
  */
 function uw_cfg_common_metatags_attachments_alter(array &$metatag_attachments) {
   // Check if the image and og:image fields are empty.
-  // We do this here instead of in hook_metatags_alter() because we want to check if they're empty after tokens have been applied.
-  // We also want to support the use case where they don't upload an image, but do manually specify an image.
-  // Because of where the information is stored, we have to loop through to find it.
+  // We do this here instead of in hook_metatags_alter() because we want to
+  // check if they're empty after tokens have been applied.
+  // We also want to support the use case where they don't upload an image,
+  // but do manually specify an image.
+  // Because of where the information is stored, we have to loop to find it.
   $found_image_src = FALSE;
   $found_og_image = FALSE;
-  foreach ($metatag_attachments['#attached']['html_head'] as $id => $attachment) {
+  foreach ($metatag_attachments['#attached']['html_head'] as $attachment) {
     if ($attachment[1] == 'image_src') {
       $found_image_src = TRUE;
     }
@@ -31,7 +33,7 @@ function uw_cfg_common_metatags_attachments_alter(array &$metatag_attachments) {
     }
   }
 
-  // Define what the fallback image is, so if it changes we only change one thing.
+  // Define what the fallback image is, so we only need to change it once.
   $fallback_image = 'https://uwaterloo.ca/university-of-waterloo-logo-152.png';
 
   // If the image_src field is missing, create one with the UWaterloo logo.
@@ -42,7 +44,7 @@ function uw_cfg_common_metatags_attachments_alter(array &$metatag_attachments) {
         '#attributes' => [
           'rel' => "image_src",
           'href' => $fallback_image,
-        ]
+        ],
       ],
       1 => 'image_src',
     ];
@@ -56,7 +58,7 @@ function uw_cfg_common_metatags_attachments_alter(array &$metatag_attachments) {
         '#attributes' => [
           'property' => "og:image",
           'content' => $fallback_image,
-        ]
+        ],
       ],
       1 => 'og_image_0',
     ];