WP_HTML_Tag_Processor::parse_query( array|string|null $query )

Source

 *
 * @return bool Whether the current tag is a tag closer.
 */
public function is_tag_closer(): bool {
	return (
		self::STATE_MATCHED_TAG === $this->parser_state &&
		$this->is_closing_tag &&

		/*
		 * The BR tag can only exist as an opening tag. If something like `</br>`
		 * appears then the HTML parser will treat it as an opening tag with no
		 * attributes. The BR tag is unique in this way.
		 *
		 * @see https://html.spec.whatwg.org/#parsing-main-inbody
		 */
		'BR' !== $this->get_tag()
	);
}

/**
 * Indicates the kind of matched token, if any.
 *
 * This differs from `get_token_name()` in that it always
 * returns a static string indicating the type, whereas
 * `get_token_name()` may return values derived from the
 * token itself, such as a tag name or processing
 * instruction tag.
 *
 * Possible values:
 *  - `#tag` when matched on a tag.
 *  - `#text` when matched on a text node.
 *  - `#cdata-section` when matched on a CDATA node.
 *  - `#comment` when matched on a comment.
 *  - `#doctype` when matched on a DOCTYPE declaration.
 *  - `#presumptuous-tag` when matched on an empty tag closer.
 *  - `#funky-comment` when matched on a funky comment.
 *
 * @since 6.5.0
 *
 * @return string|null What kind of token is matched, or null.
 */
public function get_token_type(): ?string {
	switch ( $this->parser_state ) {
		case self::STATE_MATCHED_TAG:
			return '#tag';

		case self::STATE_DOCTYPE:
			return '#doctype';

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