wp-includes/sodium_compat/src/Core32/BLAKE2b.php:84Adds two 64-bit integers together, returning their sum as a SplFixedArray containing two 32-bit integers (representing a 64-bit integer).
$xParagonIE_Sodium_Core32_Int64$yParagonIE_Sodium_Core32_Int64ParagonIE_Sodium_Core32_Int64 protected static function add64($x, $y) { return $x->addInt64($y); }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/Core32/BLAKE2b.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.