wp-includes/SimplePie/src/Cache/CallableNameFilter.php:23$callablecallable public function __construct(callable $callable) { $this->callable = $callable; }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/SimplePie/src/Cache/CallableNameFilter.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.