Fatal Errors

[29-Jun-2023 14:05:56 UTC] PHP Fatal error: Uncaught Error: Call to a member function find() on bool in /home/saunapla/web/live/public_html/wp-content/plugins/accessibility-plus/accessibility.php:110
Stack trace:

0 /home/saunapla/web/live/public_html/wp-content/plugins/accessibility-plus/accessibility.php(274): easywpstuff_assesplus_add_aria_labels_to_buttons('')

1 [internal function]: easywpstuff_assesplus_bstr_template_redirect('', 9)

2 /home/saunapla/web/live/public_html/wp-includes/functions.php(5309): ob_end_flush()

3 /home/saunapla/web/live/public_html/wp-includes/class-wp-hook.php(308): wp_ob_end_flush_all('')

4 /home/saunapla/web/live/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array)

5 /home/saunapla/web/live/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array)

6 /home/saunapla/web/live/public_html/wp-includes/load.php(1144): do_action('shutdown')

7 [internal function]: shutdown_action_hook()

8 {main}

thrown in /home/saunapla/web/live/public_html/wp-content/plugins/accessibility-plus/accessibility.php on line 110

Hi,
This is an error that is showing up occasionally in the debug log. I ended up putting if(!empty($dom)){} around it as a quick fix. That seems to have resolved it so far.
Thanks,
Toby

function easywpstuff_assesplus_add_aria_labels_to_buttons($html) {

  $dom = lhb_str_get_html($html, false, true, 'UTF-8', false, PHP_EOL, ' ');

  if(!empty($dom)){
    $buttons = $dom->find('button');  
  
    foreach ($buttons as $button) {
      if (!trim($button->plaintext) && !$button->getattribute('aria-label')) {
        $child_elements = $button->find('*');
        if (empty($child_elements)) {
          $button->setattribute('aria-label', 'button');
        } else {
          $button->setattribute('aria-label', 'button');
        }
      }
  	  if (!$button->getattribute('aria-label')) {
      $svg = $button->find('svg',0);
      $path = $button->find('path',0);
      $span = $button->find('span',0);
      if($svg && $path){
        $button->setattribute('aria-label', 'button');
      }elseif($span){
        $span_text = trim($span->plaintext);
        if($span_text){
          $button->setattribute('aria-label', $span_text);
        }
      }
    }
    }
    return $dom->save();
  }
}