wp-includes/sodium_compat/lib/php72compat.php:871$server_key_pairstring$client_keystringarray{0: function sodium_crypto_kx_server_session_keys( #[\SensitiveParameter] $server_key_pair, $client_key ) { return ParagonIE_Sodium_Compat::crypto_kx_server_session_keys($server_key_pair, $client_key); }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/sodium_compat/lib/php72compat.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.