wp-includes/Requests/src/Session.php:112Get a property's value
$namestringmixed|null public function __get($name) { if (isset($this->options[$name])) { return $this->options[$name]; } return null; }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/Requests/src/Session.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.