_get_block_templates_paths() │ WP 5.9.0

Finds all nested template part file paths in a theme's directory.

Internal function — this function is designed to be used by the kernel itself. It is not recommended to use this function in your code.

No Hooks.

Returns

String[]. A list of paths to all template part files.

Usage

_get_block_templates_paths( $base_directory );
$base_directory(string) (required)
The theme's file path.

Changelog

Since 5.9.0 Introduced.

_get_block_templates_paths() code WP 6.8.3

wp-includes/block-template-utils.php 
function _get_block_templates_paths( $base_directory ) {
	static $template_path_list = array();
	if ( isset( $template_path_list[ $base_directory ] ) ) {
		return $template_path_list[ $base_directory ];
	}
	$path_list = array();
	if ( is_dir( $base_directory ) ) {
		$nested_files      = new RecursiveIteratorIterator( new RecursiveDirectoryIterator( $base_directory ) );
		$nested_html_files = new RegexIterator( $nested_files, '/^.+\.html$/i', RecursiveRegexIterator::GET_MATCH );
		foreach ( $nested_html_files as $path => $file ) {
			$path_list[] = $path;
		}
	}
	$template_path_list[ $base_directory ] = $path_list;
	return $path_list;
}