wp-includes/blocks/navigation-link.php:135Decodes a url if it's encoded, returning the same url if not.
$urlstringstringfunction block_core_navigation_link_maybe_urldecode( $url ) { $is_url_encoded = false; $query = parse_url( $url, PHP_URL_QUERY ); $query_params = wp_parse_args( $query ); foreach ( $query_params as $query_param ) { $can_query_param_be_encoded = is_string( $query_param ) && ! empty( $query_param ); if ( ! $can_query_param_be_encoded ) { continue; } if ( rawurldecode( $query_param ) !== $query_param ) { $is_url_encoded = true; break; } } if ( $is_url_encoded ) { return rawurldecode( $url ); } return $url;}Introduced in 6.2.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/blocks/navigation-link.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.