wp-includes/SimplePie/src/SimplePie.php:927Set the length of time (in seconds) that the autodiscovered feed URL will be cached
$secondsintoptional604800 public function set_autodiscovery_cache_duration($seconds = 604800) { $this->autodiscovery_cache_duration = (int) $seconds; }One change between 6.7.7 and 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
none to void.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.