wp-includes/SimplePie/src/SimplePie.php:875Enable/disable caching in SimplePie.
$enablebooloptionaltrue public function enable_cache($enable = true) { $this->enable_cache = (bool) $enable; }Introduced in 1.0. 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.