wp-includes/SimplePie/src/SimplePie.php:799Set an instance of \SimplePie\File to use as a feed
$filebool public function set_file(&$file) { if ($file instanceof \SimplePie\File) { $this->feed_url = $file->url; $this->permanent_url = $this->feed_url; $this->file = &$file; return true; } return false; }One change between 6.7.7 and 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
$file retyped from untyped to SimplePie\File.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.