wp-includes/rest-api/endpoints/class-wp-rest-controller.php:678Sanitizes the slug value.
$slugstringstring public function sanitize_slug( $slug ) { return sanitize_title( $slug ); }Introduced in 4.7.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/rest-api/endpoints/class-wp-rest-controller.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.