wp-includes/theme.php:388Retrieves theme roots.
array|stringfunction get_theme_roots() { global $wp_theme_directories; if ( ! is_array( $wp_theme_directories ) || count( $wp_theme_directories ) <= 1 ) { return '/themes'; } $theme_roots = get_site_transient( 'theme_roots' ); if ( false === $theme_roots ) { search_theme_directories( true ); // Regenerate the transient. $theme_roots = get_site_transient( 'theme_roots' ); } return $theme_roots;}Introduced in 2.9.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/theme.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.