wp-includes/SimplePie/src/Cache/File.php:124Retrieve the data saved to the cache
array public function load() { if (file_exists($this->name) && is_readable($this->name)) { return unserialize(file_get_contents($this->name)); } return false; }One change between 6.7.7 and 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
array to SimplePie\Cache\array<mixed>|false.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.