wp-includes/sodium_compat/src/PHP52/SplFixedArray.php:172Check whether the array contains more elements
bool public function valid() { if (empty($this->internalArray)) { return false; } $result = next($this->internalArray) !== false; prev($this->internalArray); return $result; }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/PHP52/SplFixedArray.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.