wp-includes/class-wp-roles.php:135Reinitializes the object.
public function reinit() { _deprecated_function( __METHOD__, '4.7.0', 'WP_Roles::for_site()' ); $this->for_site(); }Introduced in 3.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-roles.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.