function _better_statistics_page_is_cached in Better Statistics 6

Returns the cache status for the current page load.

1 call to _better_statistics_page_is_cached()

better_statistics_exit in ./better_statistics.module

Implements hook_exit().

File

./better_statistics.helpers.inc, line 104

Helper functions for the Better Statistics module.

Code

function _better_statistics_page_is_cached() {
  $cache_status = NULL;
  global $user;

  // Don't bother if caching isn't even enabled.
  if (!variable_get('cache', 0)) {
    return $cache_status;
  }

  // Calling page_get_cache(TRUE) can return either TRUE or FALSE. If TRUE, the
  // page is cacheable, but there was a cache miss. If FALSE, then it's either
  // a cache hit, or the page is not cacheable.
  if (page_get_cache(TRUE)) {
    $cache_status = 'MISS';
  }
  else {

    // This is taken directly from page_get_cache(). If this evaluates to TRUE,
    // then we must have a cache hit. Otherwise, the page was not cacheable to
    // begin with.
    if (!$user->uid && $_SERVER['REQUEST_METHOD'] == 'GET' && count(drupal_set_message()) == 0 && $_SERVER['SERVER_SOFTWARE'] !== 'PHP CLI') {
      $cache_status = 'HIT';
    }
  }
  return $cache_status;
}