wp-includes/SimplePie/src/Item.php:182Get the parent feed
SimplePie\SimplePie public function get_feed() { return $this->feed; }Introduced in 1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/SimplePie/src/Item.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.