hasBlankSection example


  abstract protected function setSections(array $sections);

  /** * {@inheritdoc} */
  #[\ReturnTypeWillChange]   public function count() {
    if ($this->hasBlankSection()) {
      return 0;
    }

    return count($this->getSections());
  }

  /** * {@inheritdoc} */
  public function getSection($delta) {
    if (!$this->hasSection($delta)) {
      
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