$attribute_value ) { $pieces[] = sprintf( '%s="%s"', $attribute_name, esc_attr( $attribute_value ) ); } // http://wiki.whatwg.org/wiki/FAQ#Should_I_close_empty_elements_with_.2F.3E_or_.3E.3F return '<' . $tag_name . ' ' . implode( ' ', $pieces ) . ( current_theme_supports( 'html5' ) ? '>' : ' />' ); } }