wp-includes/SimplePie/src/SimplePie.php:1341Set which class SimplePie uses for content-type sniffing
$classSimplePie\class-string<Sniffer>optional\SimplePie\Content\Type\Sniffer::classbool public function set_content_type_sniffer_class(string $class = Sniffer::class) { trigger_error(sprintf('"%s()" is deprecated since SimplePie 1.3, please use "SimplePie\SimplePie::get_registry()" instead.', __METHOD__), \E_USER_DEPRECATED); return $this->registry->register(Sniffer::class, $class, true); }2 changes between 6.7.7 and 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
$class retyped from string to SimplePie\class-string<Sniffer>.verified against sourceboolean to bool.verified against sourcesrc/wp-includes/SimplePie/src/SimplePie.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.