diff --git a/core/modules/aggregator/lib/Drupal/aggregator/Plugin/views/field/TitleLink.php b/core/modules/aggregator/lib/Drupal/aggregator/Plugin/views/field/TitleLink.php
index 3eae3778ec6..0a8d2ace611 100644
--- a/core/modules/aggregator/lib/Drupal/aggregator/Plugin/views/field/TitleLink.php
+++ b/core/modules/aggregator/lib/Drupal/aggregator/Plugin/views/field/TitleLink.php
@@ -57,7 +57,7 @@ class TitleLink extends FieldPluginBase {
   /**
    * {@inheritdoc}
    */
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     return $this->render_link($this->sanitizeValue($value), $values);
   }
diff --git a/core/modules/aggregator/lib/Drupal/aggregator/Plugin/views/row/Rss.php b/core/modules/aggregator/lib/Drupal/aggregator/Plugin/views/row/Rss.php
index 7e55034e53a..72392134d92 100644
--- a/core/modules/aggregator/lib/Drupal/aggregator/Plugin/views/row/Rss.php
+++ b/core/modules/aggregator/lib/Drupal/aggregator/Plugin/views/row/Rss.php
@@ -71,7 +71,7 @@ class Rss extends RowPluginBase {
   /**
    * {@inheritdoc}
    */
-  function render($row) {
+  public function render($row) {
     $entity = $row->_entity;
 
     $item = new \stdClass();
diff --git a/core/modules/comment/lib/Drupal/comment/Plugin/views/field/Comment.php b/core/modules/comment/lib/Drupal/comment/Plugin/views/field/Comment.php
index e9143ae07f8..4f2275ed243 100644
--- a/core/modules/comment/lib/Drupal/comment/Plugin/views/field/Comment.php
+++ b/core/modules/comment/lib/Drupal/comment/Plugin/views/field/Comment.php
@@ -79,7 +79,7 @@ class Comment extends FieldPluginBase {
     return $data;
   }
 
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     return $this->render_link($this->sanitizeValue($value), $values);
   }
diff --git a/core/modules/comment/lib/Drupal/comment/Plugin/views/field/Depth.php b/core/modules/comment/lib/Drupal/comment/Plugin/views/field/Depth.php
index 08b9d8d45cc..2076ff8156f 100644
--- a/core/modules/comment/lib/Drupal/comment/Plugin/views/field/Depth.php
+++ b/core/modules/comment/lib/Drupal/comment/Plugin/views/field/Depth.php
@@ -22,7 +22,7 @@ class Depth extends FieldPluginBase {
   /**
    * Work out the depth of this comment
    */
-  function render($values) {
+  public function render($values) {
     $comment_thread = $this->getValue($values);
     return count(explode('.', $comment_thread)) - 1;
   }
diff --git a/core/modules/comment/lib/Drupal/comment/Plugin/views/field/LastTimestamp.php b/core/modules/comment/lib/Drupal/comment/Plugin/views/field/LastTimestamp.php
index 5b2c61df815..ee2772b30c9 100644
--- a/core/modules/comment/lib/Drupal/comment/Plugin/views/field/LastTimestamp.php
+++ b/core/modules/comment/lib/Drupal/comment/Plugin/views/field/LastTimestamp.php
@@ -30,7 +30,7 @@ class LastTimestamp extends Date {
     $this->additional_fields['comment_count'] = 'comment_count';
   }
 
-  function render($values) {
+  public function render($values) {
     $comment_count = $this->getValue($values, 'comment_count');
     if (empty($this->options['empty_zero']) || $comment_count) {
       return parent::render($values);
diff --git a/core/modules/comment/lib/Drupal/comment/Plugin/views/field/Link.php b/core/modules/comment/lib/Drupal/comment/Plugin/views/field/Link.php
index d1e19f55a28..202a2240d0b 100644
--- a/core/modules/comment/lib/Drupal/comment/Plugin/views/field/Link.php
+++ b/core/modules/comment/lib/Drupal/comment/Plugin/views/field/Link.php
@@ -42,7 +42,7 @@ class Link extends FieldPluginBase {
 
   public function query() {}
 
-  function render($values) {
+  public function render($values) {
     $comment = $this->getEntity($values);
     return $this->render_link($comment, $values);
   }
diff --git a/core/modules/comment/lib/Drupal/comment/Plugin/views/field/NcsLastCommentName.php b/core/modules/comment/lib/Drupal/comment/Plugin/views/field/NcsLastCommentName.php
index 4417cfb13e3..6be3577a5d3 100644
--- a/core/modules/comment/lib/Drupal/comment/Plugin/views/field/NcsLastCommentName.php
+++ b/core/modules/comment/lib/Drupal/comment/Plugin/views/field/NcsLastCommentName.php
@@ -56,7 +56,7 @@ class NcsLastCommentName extends FieldPluginBase {
     return $options;
   }
 
-  function render($values) {
+  public function render($values) {
     if (!empty($this->options['link_to_user'])) {
       $account = entity_create('user', array());
       $account->name = $this->getValue($values);
diff --git a/core/modules/comment/lib/Drupal/comment/Plugin/views/field/NodeComment.php b/core/modules/comment/lib/Drupal/comment/Plugin/views/field/NodeComment.php
index 55c366b85d2..6642db7531f 100644
--- a/core/modules/comment/lib/Drupal/comment/Plugin/views/field/NodeComment.php
+++ b/core/modules/comment/lib/Drupal/comment/Plugin/views/field/NodeComment.php
@@ -19,7 +19,7 @@ use Drupal\Component\Annotation\PluginID;
  */
 class NodeComment extends FieldPluginBase {
 
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     switch ($value) {
       case COMMENT_NODE_HIDDEN:
diff --git a/core/modules/comment/lib/Drupal/comment/Plugin/views/field/NodeLink.php b/core/modules/comment/lib/Drupal/comment/Plugin/views/field/NodeLink.php
index cdb3786ff07..08ec430e108 100644
--- a/core/modules/comment/lib/Drupal/comment/Plugin/views/field/NodeLink.php
+++ b/core/modules/comment/lib/Drupal/comment/Plugin/views/field/NodeLink.php
@@ -38,7 +38,7 @@ class NodeLink extends FieldPluginBase {
 
   public function query() {}
 
-  function render($values) {
+  public function render($values) {
     $node = $this->getEntity($values);
     comment_node_view($node, $this->options['teaser'] ? 'teaser' : 'full');
 
diff --git a/core/modules/comment/lib/Drupal/comment/Plugin/views/field/NodeNewComments.php b/core/modules/comment/lib/Drupal/comment/Plugin/views/field/NodeNewComments.php
index 0c7fbff330f..8f0e0ec6d5f 100644
--- a/core/modules/comment/lib/Drupal/comment/Plugin/views/field/NodeNewComments.php
+++ b/core/modules/comment/lib/Drupal/comment/Plugin/views/field/NodeNewComments.php
@@ -142,7 +142,7 @@ class NodeNewComments extends Numeric {
     return $data;
   }
 
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     if (!empty($value)) {
       return $this->render_link(parent::render($values), $values);
diff --git a/core/modules/comment/lib/Drupal/comment/Plugin/views/field/Username.php b/core/modules/comment/lib/Drupal/comment/Plugin/views/field/Username.php
index 1b61c05fb71..43c3171ef35 100644
--- a/core/modules/comment/lib/Drupal/comment/Plugin/views/field/Username.php
+++ b/core/modules/comment/lib/Drupal/comment/Plugin/views/field/Username.php
@@ -65,7 +65,7 @@ class Username extends FieldPluginBase {
     }
   }
 
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     return $this->render_link($this->sanitizeValue($value), $values);
   }
diff --git a/core/modules/comment/lib/Drupal/comment/Plugin/views/row/CommentRow.php b/core/modules/comment/lib/Drupal/comment/Plugin/views/row/CommentRow.php
index 4ccc754a5bd..6da816115f1 100644
--- a/core/modules/comment/lib/Drupal/comment/Plugin/views/row/CommentRow.php
+++ b/core/modules/comment/lib/Drupal/comment/Plugin/views/row/CommentRow.php
@@ -40,7 +40,7 @@ class CommentRow extends EntityRow {
   /**
    * {@inheritdoc}
    */
-  function render($row) {
+  public function render($row) {
     $entity_id = $row->{$this->field_alias};
     $build = $this->build[$entity_id];
     if (!$this->options['links']) {
diff --git a/core/modules/comment/lib/Drupal/comment/Plugin/views/row/Rss.php b/core/modules/comment/lib/Drupal/comment/Plugin/views/row/Rss.php
index 3f19fa19e53..eeaec0b096d 100644
--- a/core/modules/comment/lib/Drupal/comment/Plugin/views/row/Rss.php
+++ b/core/modules/comment/lib/Drupal/comment/Plugin/views/row/Rss.php
@@ -87,7 +87,7 @@ class Rss extends RowPluginBase {
     return $options;
   }
 
-  function render($row) {
+  public function render($row) {
     global $base_url;
 
     $cid = $row->{$this->field_alias};
diff --git a/core/modules/content_translation/lib/Drupal/content_translation/Plugin/views/field/TranslationLink.php b/core/modules/content_translation/lib/Drupal/content_translation/Plugin/views/field/TranslationLink.php
index 2abd1600e4e..6a9d5a7e746 100644
--- a/core/modules/content_translation/lib/Drupal/content_translation/Plugin/views/field/TranslationLink.php
+++ b/core/modules/content_translation/lib/Drupal/content_translation/Plugin/views/field/TranslationLink.php
@@ -44,7 +44,7 @@ class TranslationLink extends FieldPluginBase {
   /**
    * Overrides \Drupal\views\Plugin\views\field\FieldPluginBase::render().
    */
-  function render($values) {
+  public function render($values) {
     return $this->render_link($this->getEntity($values), $values);
   }
 
diff --git a/core/modules/contextual/lib/Drupal/contextual/Plugin/views/field/ContextualLinks.php b/core/modules/contextual/lib/Drupal/contextual/Plugin/views/field/ContextualLinks.php
index 7409dbb3521..bc4a34d9e7c 100644
--- a/core/modules/contextual/lib/Drupal/contextual/Plugin/views/field/ContextualLinks.php
+++ b/core/modules/contextual/lib/Drupal/contextual/Plugin/views/field/ContextualLinks.php
@@ -68,7 +68,7 @@ class ContextualLinks extends FieldPluginBase {
    * @see contextual_preprocess()
    * @see contextual_contextual_links_view_alter()
    */
-  function render($values) {
+  public function render($values) {
     $links = array();
     foreach ($this->options['fields'] as $field) {
       $rendered_field = $this->view->style_plugin->getField($this->view->row_index, $field);
diff --git a/core/modules/file/lib/Drupal/file/Plugin/views/field/Extension.php b/core/modules/file/lib/Drupal/file/Plugin/views/field/Extension.php
index a6e38ceb298..ff98cfd1f3c 100644
--- a/core/modules/file/lib/Drupal/file/Plugin/views/field/Extension.php
+++ b/core/modules/file/lib/Drupal/file/Plugin/views/field/Extension.php
@@ -41,7 +41,7 @@ class Extension extends FieldPluginBase {
     );
   }
 
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     if (!$this->options['extension_detect_tar']) {
       if (preg_match('/\.([^\.]+)$/', $value, $match)) {
diff --git a/core/modules/file/lib/Drupal/file/Plugin/views/field/File.php b/core/modules/file/lib/Drupal/file/Plugin/views/field/File.php
index 22376c3551e..232fa71aa6a 100644
--- a/core/modules/file/lib/Drupal/file/Plugin/views/field/File.php
+++ b/core/modules/file/lib/Drupal/file/Plugin/views/field/File.php
@@ -65,7 +65,7 @@ class File extends FieldPluginBase {
     return $data;
   }
 
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     return $this->render_link($this->sanitizeValue($value), $values);
   }
diff --git a/core/modules/file/lib/Drupal/file/Plugin/views/field/FileMime.php b/core/modules/file/lib/Drupal/file/Plugin/views/field/FileMime.php
index a63c2d6bddd..5b69e10eb28 100644
--- a/core/modules/file/lib/Drupal/file/Plugin/views/field/FileMime.php
+++ b/core/modules/file/lib/Drupal/file/Plugin/views/field/FileMime.php
@@ -33,7 +33,7 @@ class FileMime extends File {
     parent::buildOptionsForm($form, $form_state);
   }
 
-  function render($values) {
+  public function render($values) {
     $data = $values->{$this->field_alias};
     if (!empty($this->options['filemime_image']) && $data !== NULL && $data !== '') {
       $fake_file = (object) array('filemime' => $data);
diff --git a/core/modules/file/lib/Drupal/file/Plugin/views/field/Status.php b/core/modules/file/lib/Drupal/file/Plugin/views/field/Status.php
index 719f4d657cf..35179c4cf7f 100644
--- a/core/modules/file/lib/Drupal/file/Plugin/views/field/Status.php
+++ b/core/modules/file/lib/Drupal/file/Plugin/views/field/Status.php
@@ -19,7 +19,7 @@ use Drupal\views\Plugin\views\field\FieldPluginBase;
  */
 class Status extends FieldPluginBase {
 
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     return _views_file_status($value);
   }
diff --git a/core/modules/file/lib/Drupal/file/Plugin/views/field/Uri.php b/core/modules/file/lib/Drupal/file/Plugin/views/field/Uri.php
index 4e5eb5f43c2..b568b0dc54b 100644
--- a/core/modules/file/lib/Drupal/file/Plugin/views/field/Uri.php
+++ b/core/modules/file/lib/Drupal/file/Plugin/views/field/Uri.php
@@ -32,7 +32,7 @@ class Uri extends File {
     parent::buildOptionsForm($form, $form_state);
   }
 
-  function render($values) {
+  public function render($values) {
     $data = $values->{$this->field_alias};
     if (!empty($this->options['file_download_path']) && $data !== NULL && $data !== '') {
       $data = file_create_url($data);
diff --git a/core/modules/history/lib/Drupal/history/Plugin/views/field/HistoryUserTimestamp.php b/core/modules/history/lib/Drupal/history/Plugin/views/field/HistoryUserTimestamp.php
index e30f2069e81..ab81c8e71c5 100644
--- a/core/modules/history/lib/Drupal/history/Plugin/views/field/HistoryUserTimestamp.php
+++ b/core/modules/history/lib/Drupal/history/Plugin/views/field/HistoryUserTimestamp.php
@@ -68,7 +68,7 @@ class HistoryUserTimestamp extends Node {
     parent::query();
   }
 
-  function render($values) {
+  public function render($values) {
     // Let's default to 'read' state.
     // This code shadows node_mark, but it reads from the db directly and
     // we already have that info.
diff --git a/core/modules/language/lib/Drupal/language/Plugin/views/field/LanguageField.php b/core/modules/language/lib/Drupal/language/Plugin/views/field/LanguageField.php
index 62bcaef4099..d1e9cc02aa0 100644
--- a/core/modules/language/lib/Drupal/language/Plugin/views/field/LanguageField.php
+++ b/core/modules/language/lib/Drupal/language/Plugin/views/field/LanguageField.php
@@ -36,7 +36,7 @@ class LanguageField extends FieldPluginBase {
     );
   }
 
-  function render($values) {
+  public function render($values) {
     // @todo: Drupal Core dropped native language until config translation is
     // ready, see http://drupal.org/node/1616594.
     $value = $this->getValue($values);
diff --git a/core/modules/node/lib/Drupal/node/Plugin/views/field/Language.php b/core/modules/node/lib/Drupal/node/Plugin/views/field/Language.php
index d76e41c134c..ff47cb23f07 100644
--- a/core/modules/node/lib/Drupal/node/Plugin/views/field/Language.php
+++ b/core/modules/node/lib/Drupal/node/Plugin/views/field/Language.php
@@ -36,7 +36,7 @@ class Language extends Node {
     );
   }
 
-  function render($values) {
+  public function render($values) {
     // @todo: Drupal Core dropped native language until config translation is
     // ready, see http://drupal.org/node/1616594.
     $value = $this->getValue($values);
diff --git a/core/modules/node/lib/Drupal/node/Plugin/views/field/Link.php b/core/modules/node/lib/Drupal/node/Plugin/views/field/Link.php
index 8327bcf7f4a..a5ad276ac69 100644
--- a/core/modules/node/lib/Drupal/node/Plugin/views/field/Link.php
+++ b/core/modules/node/lib/Drupal/node/Plugin/views/field/Link.php
@@ -45,7 +45,7 @@ class Link extends FieldPluginBase {
     $this->addAdditionalFields();
   }
 
-  function render($values) {
+  public function render($values) {
     if ($entity = $this->getEntity($values)) {
       return $this->render_link($entity, $values);
     }
diff --git a/core/modules/node/lib/Drupal/node/Plugin/views/field/Node.php b/core/modules/node/lib/Drupal/node/Plugin/views/field/Node.php
index b446ed2a00e..0851b2537a2 100644
--- a/core/modules/node/lib/Drupal/node/Plugin/views/field/Node.php
+++ b/core/modules/node/lib/Drupal/node/Plugin/views/field/Node.php
@@ -86,7 +86,7 @@ class Node extends FieldPluginBase {
     return $data;
   }
 
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     return $this->render_link($this->sanitizeValue($value), $values);
   }
diff --git a/core/modules/node/lib/Drupal/node/Plugin/views/field/Path.php b/core/modules/node/lib/Drupal/node/Plugin/views/field/Path.php
index a5c8e409037..78ff114e22c 100644
--- a/core/modules/node/lib/Drupal/node/Plugin/views/field/Path.php
+++ b/core/modules/node/lib/Drupal/node/Plugin/views/field/Path.php
@@ -53,7 +53,7 @@ class Path extends FieldPluginBase {
     $this->addAdditionalFields();
   }
 
-  function render($values) {
+  public function render($values) {
     $nid = $this->getValue($values, 'nid');
     return url("node/$nid", array('absolute' => $this->options['absolute']));
   }
diff --git a/core/modules/node/lib/Drupal/node/Plugin/views/field/Type.php b/core/modules/node/lib/Drupal/node/Plugin/views/field/Type.php
index 6d31ae4ff1e..1ca5150549f 100644
--- a/core/modules/node/lib/Drupal/node/Plugin/views/field/Type.php
+++ b/core/modules/node/lib/Drupal/node/Plugin/views/field/Type.php
@@ -51,7 +51,7 @@ class Type extends Node {
     return $this->sanitizeValue($data);
   }
 
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     return $this->render_link($this->render_name($value, $values), $values);
   }
diff --git a/core/modules/node/lib/Drupal/node/Plugin/views/row/Rss.php b/core/modules/node/lib/Drupal/node/Plugin/views/row/Rss.php
index 49cc52aa79f..4005bfaee30 100644
--- a/core/modules/node/lib/Drupal/node/Plugin/views/row/Rss.php
+++ b/core/modules/node/lib/Drupal/node/Plugin/views/row/Rss.php
@@ -89,7 +89,7 @@ class Rss extends RowPluginBase {
     }
   }
 
-  function render($row) {
+  public function render($row) {
     // For the most part, this code is taken from node_feed() in node.module
     global $base_url;
 
diff --git a/core/modules/search/lib/Drupal/search/Plugin/views/field/Score.php b/core/modules/search/lib/Drupal/search/Plugin/views/field/Score.php
index 26e28f1dde8..92936946482 100644
--- a/core/modules/search/lib/Drupal/search/Plugin/views/field/Score.php
+++ b/core/modules/search/lib/Drupal/search/Plugin/views/field/Score.php
@@ -80,7 +80,7 @@ class Score extends Numeric {
     }
   }
 
-  function render($values) {
+  public function render($values) {
     // Only render if we exist.
     if (isset($this->tableAlias)) {
       return parent::render($values);
diff --git a/core/modules/search/lib/Drupal/search/Plugin/views/row/SearchRow.php b/core/modules/search/lib/Drupal/search/Plugin/views/row/SearchRow.php
index 1e42b803c15..f12e2c6e870 100644
--- a/core/modules/search/lib/Drupal/search/Plugin/views/row/SearchRow.php
+++ b/core/modules/search/lib/Drupal/search/Plugin/views/row/SearchRow.php
@@ -42,7 +42,7 @@ class SearchRow extends RowPluginBase {
   /**
    * Override the behavior of the render() function.
    */
-  function render($row) {
+  public function render($row) {
     return array(
       '#theme' => $this->themeFunctions(),
       '#view' => $this->view,
diff --git a/core/modules/taxonomy/lib/Drupal/taxonomy/Plugin/views/field/LinkEdit.php b/core/modules/taxonomy/lib/Drupal/taxonomy/Plugin/views/field/LinkEdit.php
index 7034aeeba16..00d6c7192f1 100644
--- a/core/modules/taxonomy/lib/Drupal/taxonomy/Plugin/views/field/LinkEdit.php
+++ b/core/modules/taxonomy/lib/Drupal/taxonomy/Plugin/views/field/LinkEdit.php
@@ -53,7 +53,7 @@ class LinkEdit extends FieldPluginBase {
     $this->addAdditionalFields();
   }
 
-  function render($values) {
+  public function render($values) {
     // Check there is an actual value, as on a relationship there may not be.
     if ($tid = $this->getValue($values, 'tid')) {
       // Mock a term object for taxonomy_term_access(). Use machine name and
diff --git a/core/modules/taxonomy/lib/Drupal/taxonomy/Plugin/views/field/Taxonomy.php b/core/modules/taxonomy/lib/Drupal/taxonomy/Plugin/views/field/Taxonomy.php
index 793c8dec361..65106d0d93d 100644
--- a/core/modules/taxonomy/lib/Drupal/taxonomy/Plugin/views/field/Taxonomy.php
+++ b/core/modules/taxonomy/lib/Drupal/taxonomy/Plugin/views/field/Taxonomy.php
@@ -87,7 +87,7 @@ class Taxonomy extends FieldPluginBase {
     return $data;
   }
 
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     return $this->render_link($this->sanitizeValue($value), $values);
   }
diff --git a/core/modules/user/lib/Drupal/user/Plugin/views/field/Language.php b/core/modules/user/lib/Drupal/user/Plugin/views/field/Language.php
index 6fe5c35dda9..1059263161c 100644
--- a/core/modules/user/lib/Drupal/user/Plugin/views/field/Language.php
+++ b/core/modules/user/lib/Drupal/user/Plugin/views/field/Language.php
@@ -38,7 +38,7 @@ class Language extends User {
     return $this->sanitizeValue($lang->name);
   }
 
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     return $this->render_link($this->sanitizeValue($value), $values);
   }
diff --git a/core/modules/user/lib/Drupal/user/Plugin/views/field/Link.php b/core/modules/user/lib/Drupal/user/Plugin/views/field/Link.php
index 66564479aac..a7bdb247c9f 100644
--- a/core/modules/user/lib/Drupal/user/Plugin/views/field/Link.php
+++ b/core/modules/user/lib/Drupal/user/Plugin/views/field/Link.php
@@ -59,7 +59,7 @@ class Link extends FieldPluginBase {
   /**
    * Overrides \Drupal\views\Plugin\views\field\FieldPluginBase::render().
    */
-  function render($values) {
+  public function render($values) {
     return $this->render_link($this->getEntity($values), $values);
   }
 
diff --git a/core/modules/user/lib/Drupal/user/Plugin/views/field/User.php b/core/modules/user/lib/Drupal/user/Plugin/views/field/User.php
index 13edb18d620..e6515a6eda5 100644
--- a/core/modules/user/lib/Drupal/user/Plugin/views/field/User.php
+++ b/core/modules/user/lib/Drupal/user/Plugin/views/field/User.php
@@ -60,7 +60,7 @@ class User extends FieldPluginBase {
     return $data;
   }
 
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     return $this->render_link($this->sanitizeValue($value), $values);
   }
diff --git a/core/modules/user/lib/Drupal/user/Plugin/views/field/UserData.php b/core/modules/user/lib/Drupal/user/Plugin/views/field/UserData.php
index 2e9a2163cb6..f0074fa67b1 100644
--- a/core/modules/user/lib/Drupal/user/Plugin/views/field/UserData.php
+++ b/core/modules/user/lib/Drupal/user/Plugin/views/field/UserData.php
@@ -77,7 +77,7 @@ class UserData extends FieldPluginBase {
   /**
    * Overrides \Drupal\views\Plugin\views\field\FieldPluginBase::render().
    */
-  function render($values) {
+  public function render($values) {
     $uid = $this->getValue($values);
     $data = $this->userData->get($this->options['data_module'], $uid, $this->options['data_name']);
 
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/area/Entity.php b/core/modules/views/lib/Drupal/views/Plugin/views/area/Entity.php
index 72ccc548966..26844763d5a 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/area/Entity.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/area/Entity.php
@@ -91,7 +91,7 @@ class Entity extends TokenizeAreaPluginBase {
   /**
    * Overrides \Drupal\views\Plugin\views\area\AreaPluginBase::render().
    */
-  function render($empty = FALSE) {
+  public function render($empty = FALSE) {
     if (!$empty || !empty($this->options['empty'])) {
       $entity_id = $this->tokenizeValue($this->options['entity_id']);
       if ($entity = entity_load($this->entityType, $entity_id)) {
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/area/Result.php b/core/modules/views/lib/Drupal/views/Plugin/views/area/Result.php
index e339081e858..8b1e218edb9 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/area/Result.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/area/Result.php
@@ -58,7 +58,7 @@ class Result extends AreaPluginBase {
   /**
    * Implements \Drupal\views\Plugin\views\area\AreaPluginBase::render().
    */
-  function render($empty = FALSE) {
+  public function render($empty = FALSE) {
     // Must have options and does not work on summaries.
     if (!isset($this->options['content']) || $this->view->plugin_name == 'default_summary') {
       return array();
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/area/Text.php b/core/modules/views/lib/Drupal/views/Plugin/views/area/Text.php
index 783f46a11be..645e10df10e 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/area/Text.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/area/Text.php
@@ -52,7 +52,7 @@ class Text extends TokenizeAreaPluginBase {
   /**
    * Implements \Drupal\views\Plugin\views\area\AreaPluginBase::render().
    */
-  function render($empty = FALSE) {
+  public function render($empty = FALSE) {
     $format = isset($this->options['format']) ? $this->options['format'] : filter_default_format();
     if (!$empty || !empty($this->options['empty'])) {
       return array(
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/area/TextCustom.php b/core/modules/views/lib/Drupal/views/Plugin/views/area/TextCustom.php
index 2b1762b581b..2b07806c5b5 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/area/TextCustom.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/area/TextCustom.php
@@ -43,7 +43,7 @@ class TextCustom extends TokenizeAreaPluginBase {
   /**
    * Implements \Drupal\views\Plugin\views\area\AreaPluginBase::render().
    */
-  function render($empty = FALSE) {
+  public function render($empty = FALSE) {
     if (!$empty || !empty($this->options['empty'])) {
       return array(
         '#markup' => $this->renderTextarea($this->options['content']),
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/area/View.php b/core/modules/views/lib/Drupal/views/Plugin/views/area/View.php
index 26cce1641d7..103df0ab6a6 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/area/View.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/area/View.php
@@ -56,7 +56,7 @@ class View extends AreaPluginBase {
   /**
    * Implements \Drupal\views\Plugin\views\area\AreaPluginBase::render().
    */
-  function render($empty = FALSE) {
+  public function render($empty = FALSE) {
     if (!empty($this->options['view_to_insert'])) {
       list($view_name, $display_id) = explode(':', $this->options['view_to_insert']);
 
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/field/Boolean.php b/core/modules/views/lib/Drupal/views/Plugin/views/field/Boolean.php
index f70df25d833..6f586af90d2 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/field/Boolean.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/field/Boolean.php
@@ -100,7 +100,7 @@ class Boolean extends FieldPluginBase {
     parent::buildOptionsForm($form, $form_state);
   }
 
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     if (!empty($this->options['not'])) {
       $value = !$value;
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/field/Custom.php b/core/modules/views/lib/Drupal/views/Plugin/views/field/Custom.php
index 38982ee90aa..b1ce7aeb092 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/field/Custom.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/field/Custom.php
@@ -41,7 +41,7 @@ class Custom extends FieldPluginBase {
     $form['#pre_render'][] = array($this, 'preRenderCustomForm');
   }
 
-  function render($values) {
+  public function render($values) {
     // Return the text, so the code never thinks the value is empty.
     return $this->options['alter']['text'];
   }
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/field/Date.php b/core/modules/views/lib/Drupal/views/Plugin/views/field/Date.php
index 5925990a4e2..654e27a97b5 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/field/Date.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/field/Date.php
@@ -129,7 +129,7 @@ class Date extends FieldPluginBase {
     parent::buildOptionsForm($form, $form_state);
   }
 
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     $format = $this->options['date_format'];
     if (in_array($format, array('custom', 'raw time ago', 'time ago', 'raw time hence', 'time hence', 'raw time span', 'time span', 'raw time span', 'inverse time span', 'time span'))) {
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/field/FieldPluginBase.php b/core/modules/views/lib/Drupal/views/Plugin/views/field/FieldPluginBase.php
index 0289031c35a..19d2d2b69da 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/field/FieldPluginBase.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/field/FieldPluginBase.php
@@ -1097,7 +1097,7 @@ abstract class FieldPluginBase extends HandlerBase {
    * @param $values
    *   The values retrieved from the database.
    */
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     return $this->sanitizeValue($value);
   }
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/field/FileSize.php b/core/modules/views/lib/Drupal/views/Plugin/views/field/FileSize.php
index 98e19917c69..bcf2e714028 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/field/FileSize.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/field/FileSize.php
@@ -38,7 +38,7 @@ class FileSize extends FieldPluginBase {
     );
   }
 
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     if ($value) {
       switch ($this->options['file_size_display']) {
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/field/MachineName.php b/core/modules/views/lib/Drupal/views/Plugin/views/field/MachineName.php
index 6632da429d6..f90b1a9d2eb 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/field/MachineName.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/field/MachineName.php
@@ -66,7 +66,7 @@ class MachineName extends FieldPluginBase {
     $this->getValueOptions();
   }
 
-  function render($values) {
+  public function render($values) {
     $value = $values->{$this->field_alias};
     if (!empty($this->options['machine_name']) || !isset($this->value_options[$value])) {
       $result = check_plain($value);
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/field/Markup.php b/core/modules/views/lib/Drupal/views/Plugin/views/field/Markup.php
index 6e19dfd260e..24c98c18614 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/field/Markup.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/field/Markup.php
@@ -40,7 +40,7 @@ class Markup extends FieldPluginBase {
     }
   }
 
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     if (is_array($this->format)) {
       $format = $this->getValue($values, 'format');
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/field/Numeric.php b/core/modules/views/lib/Drupal/views/Plugin/views/field/Numeric.php
index 8687a2c6972..0ab6c6fb879 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/field/Numeric.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/field/Numeric.php
@@ -124,7 +124,7 @@ class Numeric extends FieldPluginBase {
     parent::buildOptionsForm($form, $form_state);
   }
 
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     if (!empty($this->options['set_precision'])) {
       $value = number_format($value, $this->options['precision'], $this->options['decimal'], $this->options['separator']);
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/field/Serialized.php b/core/modules/views/lib/Drupal/views/Plugin/views/field/Serialized.php
index d1a90603658..2aa86390ee1 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/field/Serialized.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/field/Serialized.php
@@ -59,7 +59,7 @@ class Serialized extends FieldPluginBase {
     }
   }
 
-  function render($values) {
+  public function render($values) {
     $value = $values->{$this->field_alias};
 
     if ($this->options['format'] == 'unserialized') {
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/field/TimeInterval.php b/core/modules/views/lib/Drupal/views/Plugin/views/field/TimeInterval.php
index e8c514c262d..a42de6f1a74 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/field/TimeInterval.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/field/TimeInterval.php
@@ -37,7 +37,7 @@ class TimeInterval extends FieldPluginBase {
     );
   }
 
-  function render($values) {
+  public function render($values) {
     $value = $values->{$this->field_alias};
     return format_interval($value, isset($this->options['granularity']) ? $this->options['granularity'] : 2);
   }
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/field/Url.php b/core/modules/views/lib/Drupal/views/Plugin/views/field/Url.php
index 4399d599c02..9b727095ec1 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/field/Url.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/field/Url.php
@@ -38,7 +38,7 @@ class Url extends FieldPluginBase {
     parent::buildOptionsForm($form, $form_state);
   }
 
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     if (!empty($this->options['display_as_link'])) {
       return l($this->sanitizeValue($value), $value, array('html' => TRUE));
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/field/Xss.php b/core/modules/views/lib/Drupal/views/Plugin/views/field/Xss.php
index 572e709bdf9..9f1aa5e74c8 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/field/Xss.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/field/Xss.php
@@ -19,7 +19,7 @@ use Drupal\Component\Annotation\PluginID;
  */
 class Xss extends FieldPluginBase {
 
-  function render($values) {
+  public function render($values) {
     $value = $this->getValue($values);
     return $this->sanitizeValue($value, 'xss');
   }
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/pager/Full.php b/core/modules/views/lib/Drupal/views/Plugin/views/pager/Full.php
index 7c317b6d38f..a7c41db1b70 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/pager/Full.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/pager/Full.php
@@ -80,7 +80,7 @@ class Full extends SqlBase {
   /**
    * Overrides \Drupal\views\Plugin\views\pager\PagerPluginBase::render().
    */
-  function render($input) {
+  public function render($input) {
     $pager_theme = $this->view->buildThemeFunctions('pager');
     // The 0, 1, 3, 4 indexes are correct. See the template_preprocess_pager()
     // documentation.
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/pager/Mini.php b/core/modules/views/lib/Drupal/views/Plugin/views/pager/Mini.php
index acd16c015cb..70acf99c42b 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/pager/Mini.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/pager/Mini.php
@@ -95,7 +95,7 @@ class Mini extends SqlBase {
   /**
    * Overrides \Drupal\views\Plugin\views\pager\PagerPluginBase::render().
    */
-  function render($input) {
+  public function render($input) {
     // The 1, 3 indexes are correct, see template_preprocess_pager().
     $tags = array(
       1 => $this->options['tags']['previous'],
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/pager/PagerPluginBase.php b/core/modules/views/lib/Drupal/views/Plugin/views/pager/PagerPluginBase.php
index fed8f5ab35d..30c0b9d95e5 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/pager/PagerPluginBase.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/pager/PagerPluginBase.php
@@ -226,7 +226,7 @@ abstract class PagerPluginBase extends PluginBase {
    *   Any extra GET parameters that should be retained, such as exposed
    *   input.
    */
-  function render($input) { }
+  public function render($input) { }
 
   /**
    * Determine if there are more records available.
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/row/EntityRow.php b/core/modules/views/lib/Drupal/views/Plugin/views/row/EntityRow.php
index 10ae7928bd6..88654d020e7 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/row/EntityRow.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/row/EntityRow.php
@@ -164,7 +164,7 @@ class EntityRow extends RowPluginBase {
   /**
    * Overrides Drupal\views\Plugin\views\row\RowPluginBase::render().
    */
-  function render($row) {
+  public function render($row) {
     $entity_id = $row->{$this->field_alias};
     return $this->build[$entity_id];
   }
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/row/RowPluginBase.php b/core/modules/views/lib/Drupal/views/Plugin/views/row/RowPluginBase.php
index 4a22155fc87..a7ce04b59f9 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/row/RowPluginBase.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/row/RowPluginBase.php
@@ -147,7 +147,7 @@ abstract class RowPluginBase extends PluginBase {
    * @return string
    *   The rendered output of a single row, used by the style plugin.
    */
-  function render($row) {
+  public function render($row) {
     return array(
       '#theme' => $this->themeFunctions(),
       '#view' => $this->view,
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/row/RssFields.php b/core/modules/views/lib/Drupal/views/Plugin/views/row/RssFields.php
index 887ea5c1370..d051c54c486 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/row/RssFields.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/row/RssFields.php
@@ -126,7 +126,7 @@ class RssFields extends RowPluginBase {
     return $errors;
   }
 
-  function render($row) {
+  public function render($row) {
     static $row_index;
     if (!isset($row_index)) {
       $row_index = 0;
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/style/DefaultSummary.php b/core/modules/views/lib/Drupal/views/Plugin/views/style/DefaultSummary.php
index 3d28046786e..05d5c2a9b65 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/style/DefaultSummary.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/style/DefaultSummary.php
@@ -77,7 +77,7 @@ class DefaultSummary extends StylePluginBase {
     );
   }
 
-  function render() {
+  public function render() {
     $rows = array();
     foreach ($this->view->result as $row) {
       // @todo: Include separator as an option.
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/style/Mapping.php b/core/modules/views/lib/Drupal/views/Plugin/views/style/Mapping.php
index 3914fd863e1..101d32f3362 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/style/Mapping.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/style/Mapping.php
@@ -131,7 +131,7 @@ abstract class Mapping extends StylePluginBase {
    *
    * Provides the mapping definition as an available variable.
    */
-  function render() {
+  public function render() {
     return array(
       '#theme' => $this->themeFunctions(),
       '#view' => $this->view,
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/style/Rss.php b/core/modules/views/lib/Drupal/views/Plugin/views/style/Rss.php
index 1db0c6f2305..3bea5bb1bf1 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/style/Rss.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/style/Rss.php
@@ -111,7 +111,7 @@ class Rss extends StylePluginBase {
     return $description;
   }
 
-  function render() {
+  public function render() {
     if (empty($this->view->rowPlugin)) {
       debug('Drupal\views\Plugin\views\style\Rss: Missing row plugin');
       return;
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/style/StylePluginBase.php b/core/modules/views/lib/Drupal/views/Plugin/views/style/StylePluginBase.php
index e271d8e8627..8165c878acd 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/style/StylePluginBase.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/style/StylePluginBase.php
@@ -425,7 +425,7 @@ abstract class StylePluginBase extends PluginBase {
   /**
    * Render the display in this style.
    */
-  function render() {
+  public function render() {
     if ($this->usesRowPlugin() && empty($this->view->rowPlugin)) {
       debug('Drupal\views\Plugin\views\style\StylePluginBase: Missing row plugin');
       return;
diff --git a/core/modules/views/tests/modules/views_test_data/lib/Drupal/views_test_data/Plugin/views/field/FieldTest.php b/core/modules/views/tests/modules/views_test_data/lib/Drupal/views_test_data/Plugin/views/field/FieldTest.php
index 9108376da35..fcee561d1ea 100644
--- a/core/modules/views/tests/modules/views_test_data/lib/Drupal/views_test_data/Plugin/views/field/FieldTest.php
+++ b/core/modules/views/tests/modules/views_test_data/lib/Drupal/views_test_data/Plugin/views/field/FieldTest.php
@@ -52,7 +52,7 @@ class FieldTest extends FieldPluginBase {
   /**
    * Overrides Drupal\views\Plugin\views\field\FieldPluginBase::render().
    */
-  function render($values) {
+  public function render($values) {
     return $this->sanitizeValue($this->getTestValue());
   }