original_string: protected function renderItems()
      {
          $elements = [];
          $items = $this->items;
  
          foreach ($items as $item) {
              if (isset($item['visible']) && !$item['visible']) {
                  continue;
              }
  
              if (is_string($item)) {
                  $elements[] = $item;
                  continue;
              }
  
              if (!array_key_exists('label', $item)) {
                  throw new InvalidConfigException("The 'label' option is required.");
              }
  
              $encodeLabel = isset($item['encodeLabel']) ? $item['encodeLabel'] : $this->encodeLabels;
              $label = $encodeLabel ? Html::encode($item['label']) : $item['label'];
  
              $itemOptions = ArrayHelper::getValue($item, 'options', []);
              $linkOptions = ArrayHelper::getValue($item, 'linkOptions', []);
              Html::addCssClass($linkOptions, ['link' => 'btn-floating']);
  
              $url = array_key_exists('url', $item) ? $item['url'] : '#';
              $content = Html::a($label, $url, $linkOptions);
  
              $elements[] = Html::tag('li', $content, $itemOptions);
          }
  
          return Html::tag('ul', implode("\n", $elements), $this->itemsContainerOptions);
      }
code: protected function renderItems()
      {
          $elements = [];
          $items = $this->items;
  
          foreach ($items as $item) {
              if (isset($item['visible']) && !$item['visible']) {
                  continue;
              }
  
              if (is_string($item)) {
                  $elements[] = $item;
                  continue;
              }
  
              if (!array_key_exists('label', $item)) {
                  throw new InvalidConfigException("The 'label' option is required.");
              }
  
              $encodeLabel = isset($item['encodeLabel']) ? $item['encodeLabel'] : $this->encodeLabels;
              $label = $encodeLabel ? Html::encode($item['label']) : $item['label'];
  
              $itemOptions = ArrayHelper::getValue($item, 'options', []);
              $linkOptions = ArrayHelper::getValue($item, 'linkOptions', []);
              Html::addCssClass($linkOptions, ['link' => 'btn-floating']);
  
              $url = array_key_exists('url', $item) ? $item['url'] : '#';
              $content = Html::a($label, $url, $linkOptions);
  
              $elements[] = Html::tag('li', $content, $itemOptions);
          }
  
          return Html::tag('ul', implode("\n", $elements), $this->itemsContainerOptions);
      }
code_tokens: protected function renderItems ( ) { $ elements = [ ] ; $ items = $ this -> items ; foreach ( $ items as $ item ) { if ( isset ( $ item [ 'visible' ] ) && ! $ item [ 'visible' ] ) { continue ; } if ( is_string ( $ item ) ) { $ elements [ ] = $ item ; continue ; } if ( ! array_key_exists ( 'label' , $ item ) ) { throw new InvalidConfigException ( "The 'label' option is required." ) ; } $ encodeLabel = isset ( $ item [ 'encodeLabel' ] ) ? $ item [ 'encodeLabel' ] : $ this -> encodeLabels ; $ label = $ encodeLabel ? Html :: encode ( $ item [ 'label' ] ) : $ item [ 'label' ] ; $ itemOptions = ArrayHelper :: getValue ( $ item , 'options' , [ ] ) ; $ linkOptions = ArrayHelper :: getValue ( $ item , 'linkOptions' , [ ] ) ; Html :: addCssClass ( $ linkOptions , [ 'link' => 'btn-floating' ] ) ; $ url = array_key_exists ( 'url' , $ item ) ? $ item [ 'url' ] : '#' ; $ content = Html :: a ( $ label , $ url , $ linkOptions ) ; $ elements [ ] = Html :: tag ( 'li' , $ content , $ itemOptions ) ; } return Html :: tag ( 'ul' , implode ( "\n" , $ elements ) , $ this -> itemsContainerOptions ) ; }
docstring: Renders a list representing the single button items.
  @return string
  @throws InvalidConfigException
docstring_tokens: Renders a list representing the single button items .