wp-includes/sodium_compat/src/Core/ChaCha20/Ctx.php:116$offsetintmixed|null #[ReturnTypeWillChange] public function offsetGet($offset) { return isset($this->container[$offset]) ? $this->container[$offset] : null; }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/sodium_compat/src/Core/ChaCha20/Ctx.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.