function libraries_cdn_add in Libraries CDN API 7

Function to add a library to a page.

Parameters

mixed $cdns: The cdn name or an array of CDN name.

string $library: The library name.

mixed $version: The version of the library. If not set it will detect the latest.

array $configuration: The configuration to pass to the object.

1 string reference to 'libraries_cdn_add'

libraries_cdn_load in ./libraries_cdn.module

Use the #attached key of a render array to attach a cdn libraries.

File

./libraries_cdn.module, line 174

Main module file.

Code

function libraries_cdn_add($cdns = array(), $library = NULL, $version = NULL, array $configuration = array()) {
  if (!isset($library)) {
    return;
  }
  if (is_string($cdns)) {
    $cdns = (array) $cdns;
  }
  if (empty($cdns) || in_array('*', $cdns)) {

    // @codingStandardsIgnoreStart
    $cdns = \Drupal\libraries_cdn\LibrariesCDN::getAvailableCDN();

    // @codingStandardsIgnoreEnd
  }
  if (empty($configuration)) {
    $configuration = array(
      'request' => array(
        'timeout' => 10,
      ),
    );
  }
  $found = FALSE;

  // Speed improvement, check the cache before going to the loop.
  if ($cache = cache_get(implode('', $cdns) . ':' . $library . ':' . $version)) {
    $results = $cache->data;
    $cdns = array();
  }
  foreach ($cdns as $cdn) {
    if ($found == TRUE) {
      continue;
    }

    // @codingStandardsIgnoreStart
    if (\Drupal\libraries_cdn\LibrariesCDN::isAvailableCDN($cdn)) {
      \Drupal\libraries_cdn\LibrariesCDN::setPlugin($cdn, $library, $configuration);
      if (\Drupal\libraries_cdn\LibrariesCDN::isAvailable()) {
        $user_version = $version ? $version : \Drupal\libraries_cdn\LibrariesCDN::getLatestVersion();

        // @codingStandardsIgnoreEnd
        if ($cache = cache_get($cdn . ':' . $library . ':' . $user_version)) {
          $results = $cache->data;
          $found = TRUE;
        }
        else {

          // @codingStandardsIgnoreStart
          $files = \Drupal\libraries_cdn\LibrariesCDN::getFiles();

          // @codingStandardsIgnoreEnd
          if (isset($files[$user_version])) {
            foreach ((array) $files[$user_version] as $file) {
              $ext = pathinfo($file, PATHINFO_EXTENSION);
              if (strpos($file, 'debug') !== FALSE || strpos($file, 'min') !== FALSE) {
                continue;
              }
              $results[$ext][] = $file;
              $found = TRUE;
            }
            $cache_id = $cdn . ':' . $library . ':' . $user_version;
            cache_set($cache_id, $results);
          }
        }
      }
    }
  }
  if (!empty($results)) {
    foreach ($results as $type => $files) {
      foreach ($files as $file) {
        call_user_func_array('drupal_add_' . $type, array(
          $file,
          array(
            'type' => 'external',
          ),
        ));
      }
    }
  }
}