function backup_migrate_files_destination_filesource::check_libs in Backup and Migrate Files 7

Check that the required libraries are installed.

2 calls to backup_migrate_files_destination_filesource::check_libs()

backup_migrate_files_destination_filesource::backup_to_file in includes/destinations.filesource.inc

Backup from this source.

backup_migrate_files_destination_filesource::restore_from_file in includes/destinations.filesource.inc

Restore to this source.

File

includes/destinations.filesource.inc, line 184

A destination type for saving locally to the server.

Class

backup_migrate_files_destination_filesource

A destination type for saving locally to the server.

Code

function check_libs() {
  $result = true;

  // Extend inlcude path with path to this module's includes directory.
  $includes_directory = './' . drupal_get_path('module', 'backup_migrate_files') . '/includes';
  $include_path_old = set_include_path($includes_directory . ';' . get_include_path());

  // Check if PEAR.php is present in a non-fatal way and error gracefully if it isn't.
  include_once 'PEAR.php';
  if (!class_exists('PEAR')) {
    _backup_migrate_message('PEAR is not installed correctly. See the README.txt file in the backup_migrate_files module directory for help.', array(), 'error');
    $result = false;
  }

  // Check if Tar.php is present in a non-fatal way and error gracefully if it isn't.
  if ($result) {

    // Try to get version in this module's includes directory first, but prevent warning texts being output.
    if (file_exists($includes_directory . '/Tar.php')) {
      include_once DRUPAL_ROOT . '/' . $includes_directory . '/Tar.php';
    }
    if (!class_exists('Archive_Tar')) {

      // Try to get via PEAR directory structure.
      include_once 'Archive/Tar.php';
      if (!class_exists('Archive_Tar')) {
        _backup_migrate_message('Archive_Tar is not installed correctly. See the README.txt file in the backup_migrate_files module directory for help.', array(), 'error');
        $result = false;
      }
    }
  }

  // Restore include path.
  set_include_path($include_path_old);
  return $result;
}