Coding standards

source/_twig-components/functions/attach_library.function.php

 <?php
+
+/**
+ * @file
+ */
+
+/**
+ *
+ */
 function addAttachLibraryFunction(\Twig_Environment &$env, $config) {
   $env->addFunction(new \Twig_SimpleFunction('attach_library', function ($string) {
     return;

source/_twig-components/functions/create_attribute.function.php

 <?php
+
 /**
  * @file
  * Add "create_attribute" function for Pattern Lab.
  */
 
+/**
+ *
+ */
 function addCreateAttributeFunction(\Twig_Environment &$env, $config) {
   $function = new Twig_SimpleFunction(
     'create_attribute',
     function ($attributes = []) {
       foreach ($attributes as $key => $value) {
         if (!is_array($value)) {
-          $value = array($value);
+          $value = [$value];
         }
         print ' ' . $key . '="' . join(' ', $value) . '"';
       }
     },
-    array('is_safe' => array('html'))
+    ['is_safe' => ['html']]
   );
   $env->addFunction($function);
 }

source/_twig-components/functions/link.function.php

 <?php
+
+/**
+ * @file
+ */
+
+/**
+ *
+ */
 function addLinkFunction(\Twig_Environment &$env, $config) {
   $env->addFunction(new Twig_SimpleFunction(
     'link',
@@ -6,10 +14,11 @@ function addLinkFunction(\Twig_Environment &$env, $config) {
       if (isset($attributes) && isset($attributes['class'])) {
         $classes = join(' ', $attributes['class']);
         return '<a href="' . $url . '" class="' . $classes . '">' . $title . '</a>';
-      } else {
+      }
+      else {
         return '<a href="' . $url . '">' . $title . '</a>';
       }
     },
-    array('is_safe' => array('html'))
+    ['is_safe' => ['html']]
   ));
 }

source/_twig-components/functions/path.function.php

 <?php
+
+/**
+ * @file
+ */
+
+/**
+ *
+ */
 function addPathFunction(\Twig_Environment &$env, $config) {
   $env->addFunction(new \Twig_SimpleFunction('path', function ($string) {
     if ($string === '<front>') {
       return '/';
-    } else {
+    }
+    else {
       return $string;
     }
   }));

source/_twig-components/functions/url.function.php

 <?php
+
+/**
+ * @file
+ */
+
+/**
+ *
+ */
 function addUrlFunction(\Twig_Environment &$env, $config) {
   // https://www.drupal.org/node/2486991
   $env->addFunction(new \Twig_SimpleFunction('url', function ($string) {