diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/filter/Combine.php b/core/modules/views/lib/Drupal/views/Plugin/views/filter/Combine.php
index bdf71f4..19448c4 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/filter/Combine.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/filter/Combine.php
@@ -101,7 +101,7 @@ function op_contains($expression) {
     $this->query->add_where_expression($this->options['group'], "$expression LIKE $placeholder", array($placeholder => '%' . db_like($this->value) . '%'));
   }
 
-  function op_starts($expression) {
+  public function opStartsWith($expression) {
     $placeholder = $this->placeholder();
     $this->query->add_where_expression($this->options['group'], "$expression LIKE $placeholder", array($placeholder => db_like($this->value) . '%'));
   }
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/filter/String.php b/core/modules/views/lib/Drupal/views/Plugin/views/filter/String.php
index c71e14b..51a8db7 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/filter/String.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/filter/String.php
@@ -71,7 +71,7 @@ function operators() {
       'starts' => array(
         'title' => t('Starts with'),
         'short' => t('begins'),
-        'method' => 'op_starts',
+        'method' => 'opStartsWith',
         'values' => 1,
       ),
       'not_starts' => array(
@@ -301,7 +301,7 @@ function op_word($field) {
     $this->query->add_where($this->options['group'], $where);
   }
 
-  function op_starts($field) {
+  public function opStarts($field) {
     $this->query->add_where($this->options['group'], $field, db_like($this->value) . '%', 'LIKE');
   }