wp_pre_kses_block_attributes()

wp_pre_kses_block_attributes( string $content, array[]|string $allowed_html, string[] $allowed_protocols ): string

function wp_pre_kses_block_attributes( $content, $allowed_html, $allowed_protocols ) {
	/*
	 * `filter_block_content` is expected to call `wp_kses`. Temporarily remove
	 * the filter to avoid recursion.
	 */
	remove_filter( 'pre_kses', 'wp_pre_kses_block_attributes', 10 );
	$content = filter_block_content( $content, $allowed_html, $allowed_protocols );
	add_filter( 'pre_kses', 'wp_pre_kses_block_attributes', 10, 3 );

	return $content;
}