wp-admin/includes/class-wp-site-health.php:2596Calculates total amount of autoloaded data.
int public function get_autoloaded_options_size() { $alloptions = wp_load_alloptions(); $total_length = 0; foreach ( $alloptions as $option_value ) { if ( is_array( $option_value ) || is_object( $option_value ) ) { $option_value = maybe_serialize( $option_value ); } $total_length += strlen( (string) $option_value ); } return $total_length; }Introduced in 6.6.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/class-wp-site-health.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.