block_core_list_render() │ WP 6.6.0

Adds the wp-block-list class to the rendered list block. Ensures that pre-existing list blocks use the class name on the front. For example, <ol> is transformed to <ol class="wp-block-list">.

No Hooks.

Returns

String. The content of the block being rendered.

Usage

block_core_list_render( $attributes, $content );

$attributes(array) (required)

Attributes of the block being rendered.

$content(string) (required)

Content of the block being rendered.

Notes

• See: https://github.com/WordPress/gutenberg/issues/12420

Changelog

block_core_list_render() block core list render code ^{WP 6.8.1}

function block_core_list_render( $attributes, $content ) {
	if ( ! $content ) {
		return $content;
	}

	$processor = new WP_HTML_Tag_Processor( $content );

	$list_tags = array( 'OL', 'UL' );
	while ( $processor->next_tag() ) {
		if ( in_array( $processor->get_tag(), $list_tags, true ) ) {
			$processor->add_class( 'wp-block-list' );
			break;
		}
	}

	return $processor->get_updated_html();
}