wp-includes/sodium_compat/src/PHP52/SplFixedArray.php:212$dataarray public function __unserialize(array $data) { $length = count($data); $values = array_values($data); for ($i = 0; $i < $length; ++$i) { $this->internalArray[$i] = $values[$i]; } $this->size = $length; }Unchanged from 6.9.7 through 7.1.0.
Signature, return type and hooks compared across 3 parsed releases.
src/wp-includes/sodium_compat/src/PHP52/SplFixedArray.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.