本文整理匯總了PHP中DOMXPath::union_query方法的典型用法代碼示例。如果您正苦於以下問題：PHP DOMXPath::union_query方法的具體用法？PHP DOMXPath::union_query怎麽用？PHP DOMXPath::union_query使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類DOMXPath的用法示例。
在下文中一共展示了DOMXPath::union_query方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的PHP代碼示例。
示例1: the_content
public function the_content($content)
{
if (!$content || !is_singular()) {
return $content;
}
$dom = new DOMDocument();
$dom->loadHTML($content);
$xpath = new DOMXPath($dom);
$body = $xpath->query('/html/body')->item(0);
$headings = $xpath->union_query(['h1', 'h2', 'h3', 'h4', 'h5', 'h6'], $body, true);
// Set IDs.
foreach ($headings as $heading) {
// @todo May want to consider a max-length for IDs.
$id = $this->get_id($heading);
$id = $this->maybe_make_unique_id($id);
$heading->setAttribute('id', $id);
$this->headings[$id] = ['tag' => $heading->tagName, 'value' => trim($heading->nodeValue)];
$this->append_section_link($heading, $id);
}
return $dom->saveHTML();
}