pantheon_advanced_page_cache_test.module in Pantheon Advanced Page Cache 7

Provides testing functionality.

File

tests/pantheon_advanced_page_cache_test.module

<?php

/**
 * @file
 * Provides testing functionality.
 */

/**
 * Implements hook_pre_emit_cache_tags_alter().
 */
function pantheon_advanced_page_cache_test_pre_emit_cache_tags_alter(&$tags) {

  // This is a contrived example of how custom code can be used
  // to limit a giant list of tags.
  // In this case, automated Behat tests generate nodes
  // tagged in 100s of taxonomy terms each. Then when
  // those nodes are rendered on a view like frontpage
  // they result in too many total surrogate-keys being set.
  if (in_array("views:frontpage.page", $tags)) {
    $new_tags = array();
    foreach ($tags as $tag) {
      if (strpos($tag, "taxonomy_term:") === FALSE) {
        $new_tags[] = $tag;
      }
    }
    $tags = $new_tags;
  }
}

Functions

Name	Description
pantheon_advanced_page_cache_test_pre_emit_cache_tags_alter	Implements hook_pre_emit_cache_tags_alter().