'markup', '#markup' => 'No sequence is available.', ]; return; } $num_bases = 50; foreach ($items as $k => $d) { $rendered_seq = '

';
      $rendered_seq .= $d['value']['NCIT:C47845']; // render the fasta record.
      $rendered_seq .= '

'; $element[$k] = [ // We create a render array to produce the desired markup, '#type' => 'markup', '#markup' => $rendered_seq, ]; } } }