function expire_user in Cache Expiration 6

Implementation of hook_user().

Acts on user account actions: expire the relevant user page from the static page cache to prevent serving stale content.

File

./expire.module, line 104

Provides logic for page cache expiration

Code

function expire_user($op, &$edit, &$account, $category = NULL) {

  // Return if no user id is attached to the user object.
  if (empty($account->uid)) {
    return;
  }

  // Select which user opperations require a cache flush.
  $cases = array(
    'insert',
    'update',
    'after update',
  );

  // Expire the relevant user page from the static page cache to prevent serving stale content.
  if (in_array($op, $cases)) {
    $paths[] = 'user/' . $account->uid;
    $flushed = expire_cache_derivative($paths, $account);
    watchdog('expire', 'User !op for !uid resulted in !flushed pages being expired from the cache', array(
      '!op' => $op,
      '!uid' => $account->uid,
      '!flushed' => $flushed,
    ));
  }
}