count html tags

gistfile1.txt

function count_tags( string $html ) {
	// save the tag count to an option so each call to this function use it for a global count across all posts.
	$tag_count = get_option( 'tibi_tag_count', [] );

	$tags = new \WP_HTML_Tag_Processor( $html );
	while( $tags->next_tag()) {
		$tag = $tags->get_tag();
		if ( ! isset( $tag_count[ $tag ] ) ) {
			$tag_count[ $tag ] = 0;
		}
		$tag_count[ $tag ]++;
	}
	update_option( 'tibi_tag_count', $tag_count );
}