_add_block_template_part_area_info() │ WP 5.9.0

Attempts to add the template part's area information to the input template.

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

Array. Template info.

Usage

_add_block_template_part_area_info( $template_info );
$template_info(array) (required)
Template to add information to (requires 'type' and 'slug' fields).

Changelog

Since 5.9.0 Introduced.

_add_block_template_part_area_info() code WP 6.9.1

wp-includes/block-template-utils.php 
function _add_block_template_part_area_info( $template_info ) {
	if ( wp_theme_has_theme_json() ) {
		$theme_data = wp_get_theme_data_template_parts();
	}

	if ( isset( $theme_data[ $template_info['slug'] ]['area'] ) ) {
		$template_info['title'] = $theme_data[ $template_info['slug'] ]['title'];
		$template_info['area']  = _filter_block_template_part_area( $theme_data[ $template_info['slug'] ]['area'] );
	} else {
		$template_info['area'] = WP_TEMPLATE_PART_AREA_UNCATEGORIZED;
	}

	return $template_info;
}