wp-includes/SimplePie/src/IRI.php:1078Get the complete authority
SimplePie\?string protected function get_authority() { $iauthority = $this->get_iauthority(); if (is_string($iauthority)) { return $this->to_uri($iauthority); } return $iauthority; }One change between 6.7.7 and 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
string to SimplePie\?string.verified against sourcesrc/wp-includes/SimplePie/src/IRI.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.