wp-includes/SimplePie/src/Cache/File.php:67Save data to the cache
$dataSimplePie\Cache\array<mixed>|SimplePie\SimplePiebool public function save($data) { if (file_exists($this->name) && is_writable($this->name) || file_exists($this->location) && is_writable($this->location)) { if ($data instanceof \SimplePie\SimplePie) { $data = $data->data; } $data = serialize($data); return (bool) file_put_contents($this->name, $data); } return false; }One change between 6.7.7 and 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
$data retyped from array|SimplePie\SimplePie to SimplePie\Cache\array<mixed>|SimplePie\SimplePie.verified against sourcesrc/wp-includes/SimplePie/src/Cache/File.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.