public function TwigEnvironment::getTemplateClass

public TwigEnvironment::getTemplateClass($name, $index = NULL)

Gets the template class associated with the given string.

Parameters

string $name: The name for which to calculate the template class name.

int $index: The index if it is an embedded template.

Return value

string The template class name.

Overrides Twig_Environment::getTemplateClass

File

core/lib/Drupal/Core/Template/TwigEnvironment.php, line 79

Class

TwigEnvironment

A class that defines a Twig environment for Drupal.

Namespace

Drupal\Core\Template

Code

public function getTemplateClass($name, $index = NULL) {
  // We override this method to add caching because it gets called multiple
  // times when the same template is used more than once. For example, a page
  // rendering 50 nodes without any node template overrides will use the same
  // node.html.twig for the output of each node and the same compiled class.
  $cache_index = $name . (NULL === $index ? '' : '_' . $index);
  if (!isset($this->templateClasses[$cache_index])) {
    $this->templateClasses[$cache_index] = $this->templateClassPrefix . hash('sha256', $this->loader->getCacheKey($name)) . (NULL === $index ? '' : '_' . $index);
  }
  return $this->templateClasses[$cache_index];
}