code: public function getIcons()
      {
          // Initialise:
          
          $icons = [];
          
          // Iterate Grouped Icons:
          
          foreach ($this->getGroupedIcons() as $name => $group) {
              
              foreach ($group as $id => $icon) {
                  
                  if (!isset($icons[$id])) {
                      $icons[$id] = isset($icon['name']) ? $icon['name'] : $id;
                  }
                  
              }
              
          }
          
          // Sort Icons by Key:
          
          ksort($icons);
          
          // Answer Icons:
          
          return $icons;
      }
docs: Answers an associative array of icon IDs mapped to icon names.
  
  @return array