Club Drupal

/**

 * Returns the path of the JSONPath library.

 *

 * @return string|bool

 *   The relative path of the JSONPath directory, or false if not found.

 */

function feeds_jsonpath_parser_library_path() {

  $libraries_path = module_exists('libraries') ? libraries_get_path('jsonpath') : FALSE;

  if ($libraries_path && is_dir($libraries_path)) {

    $path = $libraries_path;

  }

  elseif (is_dir(DRUPAL_ROOT . '/sites/all/libraries/jsonpath')) {

    $path = DRUPAL_ROOT . '/sites/all/libraries/jsonpath';

  }

  // This is defined when simpletest downloads the library for us.

  elseif (variable_get('feeds_jsonpath_library_dir')) {

    $path = variable_get('feeds_jsonpath_library_dir');

  }

  else {

    $search = glob(dirname(__FILE__) . '/jsonpath*.php');

    return is_array($search) ? reset($search) : FALSE;

  }

  if (!isset($path)) {

    return FALSE;

  }

  // Newer forks of JSONPath are all modern and fancy with their autoloaders.

  if (is_file($path . '/vendor/autoload.php')) {

    return $path . '/vendor/autoload.php';

  }

  // Old school. Look for multiple versions.

  foreach (glob($path . '/jsonpath*.php') as $file) {

    return $file;

  }

  return FALSE;

}