Parses wp_template content and injects the active theme’s stylesheet as a theme attribute into each wp_template_part

Parses a block template and removes the theme attribute from each template part.

Print the footer template-part.

Print the header template-part.

Print a template-part.

Returns a filtered list of allowed area values for template parts.

Retrieves a single unified template object using its id.

Retrieves a single unified template object using its id.

Retrieves a list of unified template objects based on a query.

For backward compatibility reasons, block themes might be using block-templates or block-template-parts, this function ensures we fallback…