function cache_get in File Cache 5.5

Return data from the persistent cache.

Parameters

$key: The cache ID of the data to retrieve.

$table: The table $table to store the data in. Valid core values are 'cache_filter', 'cache_menu', 'cache_page', or 'cache' for the default cache.

File

./filecache.inc, line 12

Code

function cache_get($key, $table = 'cache') {
  global $user;
  $src = variable_get('filecache_path', 'files/cache') . '/' . $table . '/' . urlencode($cid);
  if (!file_exists($src)) {
    return 0;
  }
  $cache = unserialize(file_get_contents($src));
  if (isset($cache->data)) {

    // If the data is permanent or we're not enforcing a minimum cache lifetime
    // always return the cached data.
    if ($cache->expire == CACHE_PERMANENT || !variable_get('cache_lifetime', 0)) {
      $cache->data = db_decode_blob($cache->data);
    }
    else {
      if ($user->cache > $cache->created) {

        // This cache data is too old and thus not valid for us, ignore it.
        return 0;
      }
      else {
        $cache->data = db_decode_blob($cache->data);
      }
    }
    return $cache;
  }
  return 0;
}