public function Files::getMultiple in Advanced CSS/JS Aggregation 8.2

Returns the stored key/value pairs for a given set of keys.

Parameters

array $keys: A list of keys to retrieve.

Return value

array An associative array of items successfully returned, indexed by key.

Overrides State::getMultiple

File

src/State/Files.php, line 156

Given a filename calculate various hashes and gather meta data.

Class

Files

Provides AdvAgg with a file status state system using a key value store.

Namespace

Drupal\advagg\State

Code

public function getMultiple(array $keys, $refresh_data = NULL) {
  $values = [];
  $load = [];
  $cache_level = $this->config
    ->get('cache_level');
  $cache_time = advagg_get_cache_time($cache_level);
  foreach ($keys as $key) {

    // Check if we have a value in the cache.
    $value = $this
      ->get($key);
    if ($value) {
      $values[$key] = $value;
    }
    else {
      $load[] = $key;
    }
  }
  if ($load) {
    $loaded_values = $this->keyValueStore
      ->getMultiple($load);
    foreach ($load as $key) {

      // If we find a value, add it to the temporary cache.
      if (isset($loaded_values[$key])) {
        if ($refresh_data === FALSE) {
          $values[$key] = $loaded_values[$key];
          $this
            ->set($key, $loaded_values[$key]);
          continue;
        }
        $file_contents = (string) @file_get_contents($key);
        if (!$refresh_data && $cache_level != -1 && !empty($loaded_values[$key]['updated'])) {

          // If data last updated too long ago check for changes.
          // Ensure the file exists.
          if (!file_exists($key)) {
            $this
              ->delete($key);
            $values[$key] = NULL;
            continue;
          }

          // If cache is Normal, check file for changes.
          if ($cache_level == 1 || REQUEST_TIME - $loaded_values[$key]['updated'] < $cache_time) {
            $content_hash = Crypt::hashBase64($file_contents);
            if ($content_hash == $loaded_values[$key]['content_hash']) {
              $values[$key] = $loaded_values[$key];
              $this
                ->set($key, $loaded_values[$key]);
              continue;
            }
          }
        }

        // If file exists but is changed rescan.
        $values[$key] = $this
          ->scanFile($key, $loaded_values[$key], $file_contents);
        continue;
      }
      if (file_exists($key)) {

        // File has never been scanned, scan it.
        $values[$key] = $this
          ->scanFile($key);
      }
    }
  }
  return $values;
}