*/
public static function nodes( string $html ): array {
$html = trim( $html );
if ( '' === $html ) {
return array();
}
$document = new \DOMDocument();
$previous = libxml_use_internal_errors( true );
$loaded = $document->loadHTML(
'' . $html . '',
LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD
);
libxml_clear_errors();
libxml_use_internal_errors( $previous );
if ( ! $loaded ) {
return array();
}
$body = $document->getElementsByTagName( 'body' )->item( 0 );
if ( ! $body instanceof \DOMElement ) {
return array();
}
$nodes = array();
foreach ( $body->childNodes as $child ) {
if ( XML_ELEMENT_NODE !== $child->nodeType || ! $child instanceof \DOMElement ) {
continue;
}
$tag = strtolower( $child->tagName );
$level = 0;
if ( preg_match( '/^h([1-6])$/', $tag, $matches ) ) {
$level = (int) $matches[1];
}
$nodes[] = array(
'tag' => $tag,
'level' => $level,
'html' => (string) $document->saveHTML( $child ),
'text' => trim( (string) $child->textContent ),
);
}
return $nodes;
}
/**
* Author dismissed auto-wrap for this heading in Incoming preview.
*
* @param array{tag?: string, html?: string} $node Parsed node.
*/
public static function heading_skips_wrap( array $node ): bool {
$html = (string) ( $node['html'] ?? '' );
return false !== stripos( $html, 'forwp-drive-skip-wrap' );
}
}