64   private $options;  variable in BibtexConverter
92    * @param array $options Options array. May contain the following pairs:
104   function __construct($options=array(), $sanitise=null, $authors=null) {  argument
106     $this->options = array(
124     foreach ( $this->options as $key => $value ) {
125       if ( !empty($options[$key]) ) {
126         $this->options[$key] = $options[$key];
133     if ( is_readable(dirname(__FILE__).'/lang/'.$this->options['lang'].'.php') ) {
134       require('lang/'.$this->options['lang'].'.php');
139     $this->options['lang'] = $translations;
141     $this->helper = new Helper($this->options);
197       $groupingDisabled = $this->options['group'];
198       $this->options['group'] = 'none';
202     if ( $this->options['group'] === 'none' ) {
222       $this->options['group'] = $groupingDisabled;
248       if ( empty($this->options['lang']['entrytypes'][$entry['entrytype']]) ) {
249         $entry['entrytype'] = $this->options['lang']['entrytypes']['unknown'];
254       foreach ( $this->options['only'] as $field => $regexp ) {
292     if ( $this->options['group'] !== 'none' ) {
294 …      if ( !empty($entry[$this->options['group']]) || $this->options['group'] === 'firstauthor' ) {
295           if ( $this->options['group'] === 'firstauthor' ) {
298           elseif ( $this->options['group'] === 'author' ) {
302             $target =  $entry[$this->options['group']];
306           $target = $this->options['lang']['rest'];
317       $result[$this->options['lang']['all']] = $data;
333     if ( $this->options['group'] !== 'none' ) {
362     if ( $this->options['group'] !== 'none' ) {
407     if ( $this->options['group'] === 'entrytype' ) {
408       $key = $this->options['lang']['entrytypes'][$key];