gistfile1.txt

function myextension_civicrm_customFieldOptions ($fieldID, &$options, $detailedFormat ) {
    
    if ( $fieldID == 51 || $fieldID == 52 || $fieldID == 53 ) {
      $result = civicrm_api3('OptionValue', 'get', array(
        'return' => "label,name,value",
        'option_group_id' => "languages",
        'is_active' => 1,
        'options' => array('sort' => "weight", 'limit' => 0),
      ));   
      $detailed_options=$result['values'];
      if (isset($detailed_options) && !$detailedFormat ) {
        foreach ($detailed_options AS $key => $choice) {
          $options[$choice['value']] = $choice['label'];
        }
      } else {
        $options += $detailed_options;
      }

    }
}