wp-includes/class-wp-session-tokens.php:254Retrieves a session based on its verifier (token hash).
$verifierstringarray|null abstract protected function get_session( $verifier );Introduced in 4.0.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-session-tokens.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.