Issue #2382543 by rpayanm, ianthomas_uk: Remove usage of drupal_html_class()...

Issue #2382543 by rpayanm, ianthomas_uk: Remove usage of drupal_html_class() and drupal_clean_css_identifier()

core/includes/theme.inc

@@ -9,6 +9,7 @@
  */
 
 use Drupal\Component\Serialization\Json;
+use Drupal\Component\Utility\Html;
 use Drupal\Component\Utility\SafeMarkup;
 use Drupal\Component\Utility\String;
 use Drupal\Component\Utility\Unicode;
@@ -1352,7 +1353,7 @@ function template_preprocess_html(&$variables) {
   }
   else {
     $segment = explode('/', $path);
-    $variables['attributes']['class'][] = 'path-' . drupal_html_class($segment[1]);
+    $variables['attributes']['class'][] = 'path-' . Html::getClass($segment[1]);
   }
 
   $site_config = \Drupal::config('system.site');
@@ -1638,7 +1639,7 @@ function template_preprocess_field(&$variables, $hook) {
 
   // Add default CSS classes. Since there can be many fields rendered on a page,
   // save some overhead by calling strtr() directly instead of
-  // drupal_html_class().
+  // \Drupal\Component\Utility\Html::getClass().
   $variables['entity_type_css'] = strtr($element['#entity_type'], '_', '-');
   $variables['field_name_css'] = strtr($element['#field_name'], '_', '-');
   $variables['field_type_css'] = strtr($element['#field_type'], '_', '-');

core/lib/Drupal/Core/Field/WidgetBase.php

@@ -7,6 +7,7 @@
 
 namespace Drupal\Core\Field;
 
+use Drupal\Component\Utility\Html;
 use Drupal\Component\Utility\NestedArray;
 use Drupal\Component\Utility\SortArray;
 use Drupal\Component\Utility\String;
@@ -126,9 +127,9 @@ public function form(FieldItemListInterface $items, array &$form, FormStateInter
       '#parents' => array_merge($parents, array($field_name . '_wrapper')),
       '#attributes' => array(
         'class' => array(
-          'field-type-' . drupal_html_class($this->fieldDefinition->getType()),
-          'field-name-' . drupal_html_class($field_name),
-          'field-widget-' . drupal_html_class($this->getPluginId()),
+          'field-type-' . Html::getClass($this->fieldDefinition->getType()),
+          'field-name-' . Html::getClass($field_name),
+          'field-widget-' . Html::getClass($this->getPluginId()),
         ),
       ),
       'widget' => $elements,

core/lib/Drupal/Core/Template/TwigExtension.php

@@ -107,7 +107,7 @@ public function getFilters() {
       new \Twig_SimpleFilter('without', 'twig_without'),
 
       // CSS class and ID filters.
-      new \Twig_SimpleFilter('clean_class', 'drupal_html_class'),
+      new \Twig_SimpleFilter('clean_class', '\Drupal\Component\Utility\Html::getClass'),
       new \Twig_SimpleFilter('clean_id', 'drupal_clean_id_identifier'),
     );
   }

core/modules/block/src/BlockForm.php

@@ -9,6 +9,7 @@
 
 use Drupal\block\Event\BlockContextEvent;
 use Drupal\block\Event\BlockEvents;
+use Drupal\Component\Utility\Html;
 use Drupal\Core\Entity\EntityForm;
 use Drupal\Core\Entity\EntityManagerInterface;
 use Drupal\Core\Executable\ExecutableManagerInterface;
@@ -337,7 +338,7 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
       array(
         'theme' => $form_state->getValue('theme'),
       ),
-      array('query' => array('block-placement' => drupal_html_class($this->entity->id())))
+      array('query' => array('block-placement' => Html::getClass($this->entity->id())))
     );
   }
 

core/modules/block/src/BlockListBuilder.php

@@ -7,6 +7,7 @@
 
 namespace Drupal\block;
 
+use Drupal\Component\Utility\Html;
 use Drupal\Core\Block\BlockManagerInterface;
 use Drupal\Component\Serialization\Json;
 use Drupal\Component\Utility\String;
@@ -245,7 +246,7 @@ public function buildForm(array $form, FormStateInterface $form_state) {
               'class' => array('draggable'),
             ),
           );
-          if ($placement && $placement == drupal_html_class($entity_id)) {
+          if ($placement && $placement == Html::getClass($entity_id)) {
             $form['blocks'][$entity_id]['#attributes']['id'] = 'block-placed';
           }
 

core/modules/block/src/Tests/BlockRenderOrderTest.php

@@ -7,6 +7,7 @@
 
 namespace Drupal\block\Tests;
 
+use Drupal\Component\Utility\Html;
 use Drupal\simpletest\WebTestBase;
 
 /**
@@ -74,7 +75,7 @@ function testBlockRenderOrder() {
       $id = $return_block->get('id');
       if ($return_block_weight = $return_block->get('weight')) {
         $this->assertTrue($test_blocks[$id]['weight'] == $return_block_weight, 'Block weight is set as "' . $return_block_weight  . '" for ' . $id . ' block.');
-        $position[$id] = strpos($test_content, drupal_html_class('block-' . $test_blocks[$id]['id']));
+        $position[$id] = strpos($test_content, Html::getClass('block-' . $test_blocks[$id]['id']));
       }
     }
     $this->assertTrue($position['stark_powered'] < $position['stark_by'], 'Blocks with different weight are rendered in the correct order.');

core/modules/block/src/Tests/BlockTest.php

@@ -7,6 +7,7 @@
 
 namespace Drupal\block\Tests;
 
+use Drupal\Component\Utility\Html;
 use Drupal\Core\Cache\Cache;
 use Drupal\simpletest\WebTestBase;
 use Drupal\Component\Utility\String;
@@ -200,7 +201,7 @@ public function testBlockThemeSelector() {
       $block['region'] = 'content';
       $this->drupalPostForm('admin/structure/block/add/system_powered_by_block', $block, t('Save block'));
       $this->assertText(t('The block configuration has been saved.'));
-      $this->assertUrl('admin/structure/block/list/' . $theme . '?block-placement=' . drupal_html_class($block['id']));
+      $this->assertUrl('admin/structure/block/list/' . $theme . '?block-placement=' . Html::getClass($block['id']));
 
       // Set the default theme and ensure the block is placed.
       $theme_settings->set('default', $theme)->save();
@@ -288,10 +289,10 @@ function moveBlockToRegion(array $block, $region) {
 
     // Confirm that the custom block was found at the proper region.
     $xpath = $this->buildXPathQuery('//div[@class=:region-class]//div[@id=:block-id]/*', array(
-      ':region-class' => 'region region-' . drupal_html_class($region),
+      ':region-class' => 'region region-' . Html::getClass($region),
       ':block-id' => 'block-' . str_replace('_', '-', strtolower($block['id'])),
     ));
-    $this->assertFieldByXPath($xpath, NULL, t('Block found in %region_name region.', array('%region_name' => drupal_html_class($region))));
+    $this->assertFieldByXPath($xpath, NULL, t('Block found in %region_name region.', array('%region_name' => Html::getClass($region))));
   }
 
   /**

core/modules/block/src/Tests/BlockUiTest.php

@@ -7,6 +7,7 @@
 
 namespace Drupal\block\Tests;
 
+use Drupal\Component\Utility\Html;
 use Drupal\simpletest\WebTestBase;
 
 /**
@@ -200,7 +201,7 @@ public function testBlockPlacementIndicator() {
 
     // After adding a block, it will indicate which block was just added.
     $this->drupalPostForm('admin/structure/block/add/system_powered_by_block', $block, t('Save block'));
-    $this->assertUrl('admin/structure/block/list/classy?block-placement=' . drupal_html_class($block['id']));
+    $this->assertUrl('admin/structure/block/list/classy?block-placement=' . Html::getClass($block['id']));
 
     // Resaving the block page will remove the block indicator.
     $this->drupalPostForm(NULL, array(), t('Save blocks'));

core/modules/block/src/Tests/Views/DisplayBlockTest.php

@@ -8,6 +8,7 @@
 namespace Drupal\block\Tests\Views;
 
 use Drupal\Component\Serialization\Json;
+use Drupal\Component\Utility\Html;
 use Drupal\Component\Utility\String;
 use Drupal\views\Views;
 use Drupal\views\Tests\ViewTestBase;
@@ -63,7 +64,7 @@ public function testBlockCategory() {
     // base table.
     $arguments = array(
       ':id' => 'edit-category-lists-views',
-      ':li_class' => 'views-block' . drupal_html_class($edit['id']) . '-block-1',
+      ':li_class' => 'views-block' . Html::getClass($edit['id']) . '-block-1',
       ':href' => \Drupal::Url('block.admin_add', array(
         'plugin_id' => 'views_block:' . $edit['id'] . '-block_1',
         'theme' => 'classy',
@@ -102,7 +103,7 @@ public function testBlockCategory() {
 
     $arguments = array(
       ':id' => 'edit-category-lists-views',
-      ':li_class' => 'views-block' . drupal_html_class($edit['id']) . '-block-2',
+      ':li_class' => 'views-block' . Html::getClass($edit['id']) . '-block-2',
       ':href' => \Drupal::Url('block.admin_add', array(
         'plugin_id' => 'views_block:' . $edit['id'] . '-block_2',
         'theme' => 'classy',
@@ -114,7 +115,7 @@ public function testBlockCategory() {
 
     $arguments = array(
       ':id' => $category_id,
-      ':li_class' => 'views-block' . drupal_html_class($edit['id']) . '-block-3',
+      ':li_class' => 'views-block' . Html::getClass($edit['id']) . '-block-3',
       ':href' => \Drupal::Url('block.admin_add', array(
         'plugin_id' => 'views_block:' . $edit['id'] . '-block_3',
         'theme' => 'classy',

core/modules/block_content/src/BlockContentForm.php

@@ -7,6 +7,7 @@
 
 namespace Drupal\block_content;
 
+use Drupal\Component\Utility\Html;
 use Drupal\Core\Entity\ContentEntityForm;
 use Drupal\Core\Entity\EntityManagerInterface;
 use Drupal\Core\Entity\EntityStorageInterface;
@@ -102,7 +103,7 @@ public function form(array $form, FormStateInterface $form_state) {
     // Override the default CSS class name, since the user-defined custom block
     // type name in 'TYPE-block-form' potentially clashes with third-party class
     // names.
-    $form['#attributes']['class'][0] = drupal_html_class('block-' . $block->bundle() . '-form');
+    $form['#attributes']['class'][0] = 'block-' . Html::getClass($block->bundle()) . '-form';
 
     $form['langcode'] = array(
       '#title' => $this->t('Language'),

core/modules/block_content/src/Tests/BlockContentTypeTest.php

@@ -6,6 +6,7 @@
  */
 
 namespace Drupal\block_content\Tests;
+use Drupal\Component\Utility\Html;
 
 /**
  * Ensures that custom block type functions work correctly.
@@ -179,7 +180,7 @@ public function testsBlockContentAddTypes() {
           $block = reset($blocks);
           $this->assertUrl(\Drupal::url('block.admin_add', array('plugin_id' => 'block_content:' . $block->uuid(), 'theme' => $theme), array('absolute' => TRUE)));
           $this->drupalPostForm(NULL, array(), t('Save block'));
-          $this->assertUrl(\Drupal::url('block.admin_display_theme', array('theme' => $theme), array('absolute' => TRUE, 'query' => array('block-placement' => drupal_html_class($edit['info[0][value]'])))));
+          $this->assertUrl(\Drupal::url('block.admin_display_theme', array('theme' => $theme), array('absolute' => TRUE, 'query' => array('block-placement' => Html::getClass($edit['info[0][value]'])))));
         }
         else {
           $this->fail('Could not load created block.');

core/modules/ckeditor/ckeditor.admin.inc

@@ -5,6 +5,7 @@
  * Callbacks and theming for the CKEditor toolbar configuration UI.
  */
 
+use Drupal\Component\Utility\Html;
 use Drupal\Core\Template\Attribute;
 use Drupal\Component\Utility\SafeMarkup;
 use Drupal\Core\Language\LanguageInterface;
@@ -115,7 +116,7 @@ function template_preprocess_ckeditor_settings_toolbar(&$variables) {
   foreach ($active_buttons as $row_number => $button_row) {
     foreach ($button_groups[$row_number] as $group_name) {
       $variables['active_buttons'][$row_number][$group_name] = array(
-        'group_name_class' => drupal_html_class($group_name),
+        'group_name_class' => Html::getClass($group_name),
         'buttons' => array(),
       );
       $buttons = array_filter($button_row, function ($button) use ($group_name) {

core/modules/comment/src/Plugin/Field/FieldWidget/CommentWidget.php

@@ -8,6 +8,7 @@
 namespace Drupal\comment\Plugin\Field\FieldWidget;
 
 use Drupal\comment\Plugin\Field\FieldType\CommentItemInterface;
+use Drupal\Component\Utility\Html;
 use Drupal\Core\Field\FieldItemListInterface;
 use Drupal\Core\Field\WidgetBase;
 use Drupal\Core\Form\FormStateInterface;
@@ -76,7 +77,7 @@ public function formElement(FieldItemListInterface $items, $delta, array $elemen
         '#open' => ($items->status != $field_default_values[0]['status']),
         '#group' => 'advanced',
         '#attributes' => array(
-          'class' => array('comment-' . drupal_html_class($entity->getEntityTypeId()) . '-settings-form'),
+          'class' => array('comment-' . Html::getClass($entity->getEntityTypeId()) . '-settings-form'),
         ),
         '#attached' => array(
           'library' => array('comment/drupal.comment'),

core/modules/contextual/src/Element/ContextualLinks.php

@@ -7,6 +7,7 @@
 
 namespace Drupal\contextual\Element;
 
+use Drupal\Component\Utility\Html;
 use Drupal\Core\Render\Element\RenderElement;
 use Drupal\Core\Url;
 
@@ -79,7 +80,7 @@ public static function preRenderLinks(array $element) {
     // Transform contextual links into parameters suitable for links.html.twig.
     $links = array();
     foreach ($items as $class => $item) {
-      $class = drupal_html_class($class);
+      $class = Html::getClass($class);
       $links[$class] = array(
         'title' => $item['title'],
         'url' => Url::fromRoute(isset($item['route_name']) ? $item['route_name'] : '', isset($item['route_parameters']) ? $item['route_parameters'] : []),

core/modules/dblog/src/Controller/DbLogController.php

@@ -7,6 +7,7 @@
 
 namespace Drupal\dblog\Controller;
 
+use Drupal\Component\Utility\Html;
 use Drupal\Component\Utility\Unicode;
 use Drupal\Component\Utility\String;
 use Drupal\Component\Utility\Xss;
@@ -199,7 +200,7 @@ public function overview() {
           Xss::filter($dblog->link),
         ),
         // Attributes for table row.
-        'class' => array(drupal_html_class('dblog-' . $dblog->type), $classes[$dblog->severity]),
+        'class' => array(Html::getClass('dblog-' . $dblog->type), $classes[$dblog->severity]),
       );
     }
 

core/modules/field_ui/field_ui.module

@@ -5,6 +5,7 @@
  * Allows administrators to attach custom fields to fieldable types.
  */
 
+use Drupal\Component\Utility\Html;
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Render\Element;
@@ -228,7 +229,7 @@ function theme_field_ui_table($variables) {
 
   // Render rows, region by region.
   foreach ($elements['#regions'] as $region_name => $region) {
-    $region_name_class = drupal_html_class($region_name);
+    $region_name_class = Html::getClass($region_name);
 
     // Add region rows.
     if (isset($region['title']) && empty($region['invisible'])) {

core/modules/field_ui/src/FieldOverview.php

@@ -7,6 +7,7 @@
 
 namespace Drupal\field_ui;
 
+use Drupal\Component\Utility\Html;
 use Drupal\Component\Utility\String;
 use Drupal\Component\Utility\Unicode;
 use Drupal\Core\Entity\EntityListBuilderInterface;
@@ -127,7 +128,7 @@ public function buildForm(array $form, FormStateInterface $form_state, $entity_t
       );
       $table[$name] = array(
         '#attributes' => array(
-          'id' => drupal_html_class($name),
+          'id' => Html::getClass($name),
         ),
         'label' => array(
           '#markup' => String::checkPlain($field->getLabel()),

core/modules/field_ui/src/OverviewBase.php

@@ -7,6 +7,7 @@
 
 namespace Drupal\field_ui;
 
+use Drupal\Component\Utility\Html;
 use Drupal\Core\Entity\EntityManagerInterface;
 use Drupal\Core\Form\FormBase;
 use Drupal\Core\Form\FormStateInterface;
@@ -192,7 +193,7 @@ public function tablePreRender($elements) {
           }
 
           // Add row id and associate JS settings.
-          $id = drupal_html_class($name);
+          $id = Html::getClass($name);
           $row['#attributes']['id'] = $id;
           if (isset($row['#js_settings'])) {
             $row['#js_settings'] += array(

core/modules/file/src/Tests/FileFieldWidgetTest.php

@@ -8,6 +8,7 @@
 namespace Drupal\file\Tests;
 
 use Drupal\comment\Entity\Comment;
+use Drupal\Component\Utility\Html;
 use Drupal\field\Entity\FieldConfig;
 use Drupal\field_ui\Tests\FieldUiTestTrait;
 
@@ -74,7 +75,7 @@ function testSingleValuedWidget() {
       $this->assertNoFieldByXPath('//input[@type="submit"]', t('Remove'), 'After clicking the "Remove" button, it is no longer displayed.');
       $this->assertFieldByXpath('//input[@type="submit"]', t('Upload'), 'After clicking the "Remove" button, the "Upload" button is displayed.');
       // Test label has correct 'for' attribute.
-      $label = $this->xpath("//label[@for='edit-" . drupal_clean_css_identifier($field_name) . "-0-upload']");
+      $label = $this->xpath("//label[@for='edit-" . Html::cleanCssIdentifier($field_name) . "-0-upload']");
       $this->assertTrue(isset($label[0]), 'Label for upload found.');
 
       // Save the node and ensure it does not have the file.

core/modules/node/node.module

@@ -8,6 +8,7 @@
  * API pattern.
  */
 
+use Drupal\Component\Utility\Html;
 use Drupal\Component\Utility\Xss;
 use Drupal\Core\Access\AccessResult;
 use Drupal\Core\Form\FormStateInterface;
@@ -520,7 +521,7 @@ function node_is_page(NodeInterface $node) {
 function node_preprocess_html(&$variables) {
   // If on an individual node page, add the node type to body classes.
   if (($node = \Drupal::routeMatch()->getParameter('node')) && $node instanceof NodeInterface) {
-    $variables['attributes']['class'][] = drupal_html_class('node--type-' . $node->getType());
+    $variables['attributes']['class'][] = Html::getClass('node--type-' . $node->getType());
   }
 }
 

core/modules/views/src/Form/ViewsExposedForm.php

@@ -7,6 +7,7 @@
 
 namespace Drupal\views\Form;
 
+use Drupal\Component\Utility\Html;
 use Drupal\Component\Utility\String;
 use Drupal\Core\Form\FormBase;
 use Drupal\Core\Form\FormStateInterface;
@@ -116,7 +117,7 @@ public function buildForm(array $form, FormStateInterface $form_state) {
 
     $form['#action'] = _url($view->display_handler->getUrl());
     $form['#theme'] = $view->buildThemeFunctions('views_exposed_form');
-    $form['#id'] = drupal_clean_css_identifier('views_exposed_form-' . String::checkPlain($view->storage->id()) . '-' . String::checkPlain($display['id']));
+    $form['#id'] = Html::cleanCssIdentifier('views_exposed_form-' . String::checkPlain($view->storage->id()) . '-' . String::checkPlain($display['id']));
     // $form['#attributes']['class'] = array('views-exposed-form');
 
     /** @var \Drupal\views\Plugin\views\exposed_form\ExposedFormPluginBase $exposed_form_plugin */

core/modules/views/src/Plugin/views/field/FieldPluginBase.php

@@ -325,7 +325,7 @@ public function elementClasses($row_index = NULL) {
     $classes = explode(' ', $this->options['element_class']);
     foreach ($classes as &$class) {
       $class = $this->tokenizeValue($class, $row_index);
-      $class = drupal_clean_css_identifier($class);
+      $class = Html::cleanCssIdentifier($class);
     }
     return implode(' ', $classes);
   }
@@ -375,7 +375,7 @@ public function elementLabelClasses($row_index = NULL) {
     $classes = explode(' ', $this->options['element_label_class']);
     foreach ($classes as &$class) {
       $class = $this->tokenizeValue($class, $row_index);
-      $class = drupal_clean_css_identifier($class);
+      $class = Html::cleanCssIdentifier($class);
     }
     return implode(' ', $classes);
   }
@@ -387,7 +387,7 @@ public function elementWrapperClasses($row_index = NULL) {
     $classes = explode(' ', $this->options['element_wrapper_class']);
     foreach ($classes as &$class) {
       $class = $this->tokenizeValue($class, $row_index);
-      $class = drupal_clean_css_identifier($class);
+      $class = Html::cleanCssIdentifier($class);
     }
     return implode(' ', $classes);
   }

core/modules/views/src/Plugin/views/style/Grid.php

@@ -7,6 +7,7 @@
 
 namespace Drupal\views\Plugin\views\style;
 
+use Drupal\Component\Utility\Html;
 use Drupal\Core\Form\FormStateInterface;
 
 /**
@@ -122,7 +123,7 @@ public function getCustomClass($result_index, $type) {
 
     $classes = explode(' ', $class);
     foreach ($classes as &$class) {
-      $class = drupal_clean_css_identifier($class);
+      $class = Html::cleanCssIdentifier($class);
     }
     return implode(' ', $classes);
   }

core/modules/views/src/Plugin/views/style/StylePluginBase.php

@@ -7,6 +7,7 @@
 
 namespace Drupal\views\Plugin\views\style;
 
+use Drupal\Component\Utility\Html;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\views\Plugin\views\PluginBase;
 use Drupal\views\Plugin\views\display\DisplayPluginBase;
@@ -217,7 +218,7 @@ public function getRowClass($row_index) {
 
       $classes = explode(' ', $class);
       foreach ($classes as &$class) {
-        $class = drupal_clean_css_identifier($class);
+        $class = Html::cleanCssIdentifier($class);
       }
       return implode(' ', $classes);
     }

core/modules/views/src/Tests/Plugin/ExposedFormTest.php

@@ -7,6 +7,7 @@
 
 namespace Drupal\views\Tests\Plugin;
 
+use Drupal\Component\Utility\Html;
 use Drupal\views\Tests\ViewTestBase;
 use Drupal\views\ViewExecutable;
 use Drupal\views\Views;
@@ -189,7 +190,7 @@ public function testInputRequired() {
    *   The form ID.
    */
   protected function getExpectedExposedFormId(ViewExecutable $view) {
-    return drupal_clean_css_identifier('views-exposed-form-' . $view->storage->id() . '-' . $view->current_display);
+    return Html::cleanCssIdentifier('views-exposed-form-' . $view->storage->id() . '-' . $view->current_display);
   }
 
 }

core/modules/views/views.module

@@ -9,6 +9,7 @@
  * incoming page and block requests.
  */
 
+use Drupal\Component\Utility\Html;
 use Drupal\Component\Utility\String;
 use Drupal\Core\Cache\Cache;
 use Drupal\Core\Database\Query\AlterableInterface;
@@ -194,7 +195,7 @@ function views_theme($existing, $type, $theme, $path) {
       // implement hook_theme() by itself.
       if (!function_exists('theme_' . $def['theme'])) {
         $hooks[$def['theme']]['path'] .= '/templates';
-        $hooks[$def['theme']]['template'] = drupal_clean_css_identifier($def['theme']);
+        $hooks[$def['theme']]['template'] = Html::cleanCssIdentifier($def['theme']);
       }
       else {
         $hooks[$def['theme']]['function'] = 'theme_' . $def['theme'];

core/modules/views/views.theme.inc

@@ -135,7 +135,7 @@ function template_preprocess_views_view_fields(&$variables) {
         $object->separator = Xss::filterAdmin($variables['options']['separator']);
       }
 
-      $object->class = drupal_clean_css_identifier($id);
+      $object->class = Html::cleanCssIdentifier($id);
 
       $previous_inline = $object->inline;
       $object->inline_html = $object->handler->elementWrapperType(TRUE, TRUE);
@@ -453,7 +453,7 @@ function template_preprocess_views_view_table(&$variables) {
   foreach ($columns as $field => $column) {
     // Create a second variable so we can easily find what fields we have and
     // what the CSS classes should be.
-    $variables['fields'][$field] = drupal_clean_css_identifier($field);
+    $variables['fields'][$field] = Html::cleanCssIdentifier($field);
     if ($active == $field) {
       $variables['fields'][$field] .= ' active';
     }
@@ -508,7 +508,7 @@ function template_preprocess_views_view_table(&$variables) {
       }
       // Add a CSS align class to each field if one was set.
       if (!empty($options['info'][$field]['align'])) {
-        $variables['header'][$field]['attributes']['class'][] = drupal_clean_css_identifier($options['info'][$field]['align']);
+        $variables['header'][$field]['attributes']['class'][] = Html::cleanCssIdentifier($options['info'][$field]['align']);
       }
       // Add a header label wrapper if one was selected.
       if ($variables['header'][$field]['content']) {
@@ -529,7 +529,7 @@ function template_preprocess_views_view_table(&$variables) {
 
     // Add a CSS align class to each field if one was set.
     if (!empty($options['info'][$field]['align'])) {
-      $variables['fields'][$field] .= ' ' . drupal_clean_css_identifier($options['info'][$field]['align']);
+      $variables['fields'][$field] .= ' ' . Html::cleanCssIdentifier($options['info'][$field]['align']);
     }
 
     // Render each field into its appropriate column.
@@ -835,7 +835,7 @@ function template_preprocess_views_view_list(&$variables) {
   // Fetch classes from handler options.
   if ($handler->options['class']) {
     $class = explode(' ', $handler->options['class']);
-    $class = array_map('drupal_clean_css_identifier', $class);
+    $class = array_map('\Drupal\Component\Utility\Html::cleanCssIdentifier', $class);
 
     // Initialize a new attribute class for $class.
     $variables['list']['attributes'] = new Attribute(array('class' => $class));
@@ -844,7 +844,7 @@ function template_preprocess_views_view_list(&$variables) {
   // Fetch wrapper classes from handler options.
   if ($handler->options['wrapper_class']) {
     $wrapper_class = explode(' ', $handler->options['wrapper_class']);
-    $variables['attributes']['class'] = array_map('drupal_clean_css_identifier', $wrapper_class);
+    $variables['attributes']['class'] = array_map('\Drupal\Component\Utility\Html::cleanCssIdentifier', $wrapper_class);
   }
 
   $variables['list']['type'] = $handler->options['type'];

core/modules/views_ui/src/ViewEditForm.php

@@ -7,6 +7,7 @@
 
 namespace Drupal\views_ui;
 
+use Drupal\Component\Utility\Html;
 use Drupal\Component\Utility\UrlHelper;
 use Drupal\Component\Utility\Xss;
 use Drupal\Core\Ajax\AjaxResponse;
@@ -910,7 +911,7 @@ public function buildOptionForm(ViewUI $view, $id, $option, $display) {
         }
       }
     }
-    $option_build['#attributes']['class'][] = drupal_clean_css_identifier($display_id . '-' . $id);
+    $option_build['#attributes']['class'][] = Html::cleanCssIdentifier($display_id . '-' . $id);
     return $option_build;
   }
 
@@ -1080,7 +1081,7 @@ public function getFormBucket(ViewUI $view, $type, $display) {
         'type' => $type,
         'id' => $id,
       ), array('attributes' => $link_attributes, 'html' => TRUE)));
-      $build['fields'][$id]['#class'][] = drupal_clean_css_identifier($display['id']. '-' . $type . '-' . $id);
+      $build['fields'][$id]['#class'][] = Html::cleanCssIdentifier($display['id']. '-' . $type . '-' . $id);
 
       if ($executable->display_handler->useGroupBy() && $handler->usesGroupBy()) {
         $build['fields'][$id]['#settings_links'][] = $this->l('<span class="label">' . $this->t('Aggregation settings') . '</span>', new Url('views_ui.form_handler_group', array(

core/themes/seven/seven.theme

@@ -18,7 +18,7 @@ function seven_preprocess_html(&$variables) {
   if ($suggestions = theme_get_suggestions($path_args, 'page', '-')) {
     foreach ($suggestions as $suggestion) {
       if ($suggestion === 'page-node-edit' || strpos($suggestion, 'page-node-add') !== FALSE) {
-        $variables['attributes']['class'][] = drupal_html_class('node-form-layout');
+        $variables['attributes']['class'][] = 'node-form-layout';
       }
     }
   }