cURL

• CURLOPT_DOH_URL
• CURLOPT_ISSUERCERT_BLOB
• CURLOPT_PROXY_ISSUERCERT
• CURLOPT_PROXY_ISSUERCERT_BLOB
• CURLOPT_PROXY_SSLCERT_BLOB
• CURLOPT_PROXY_SSLKEY_BLOB
• CURLOPT_SSLCERT_BLOB
• CURLOPT_SSLKEY_BLOB

GD

• IMG_AVIF
• IMG_WEBP_LOSSLESS

MySQLi

• MYSQLI_REFRESH_REPLICA

  此常數已新增作為 MYSQLI_REFRESH_SLAVE 的替代品，與 MySQL 的上游變更一致。 舊常數仍然可用於向下相容性，但將來可能會被棄用/移除。

PCNTL

• PRIO_DARWIN_BG
• PRIO_DARWIN_THREAD

POSIX

• POSIX_RLIMIT_KQUEUES
• POSIX_RLIMIT_NPTS

Sockets

如果支援以下通訊端選項，則現在會定義它們

• SO_ACCEPTFILTER
• SO_DONTTRUNC
• SO_WANTMORE
• SO_MARK
• TCP_DEFER_ACCEPT

Sodium（鈉）

• SODIUM_CRYPTO_STREAM_XCHACHA20_NONCEBYTES
• SODIUM_CRYPTO_STREAM_XCHACHA20_KEYBYTES
• SODIUM_CRYPTO_SCALARMULT_RISTRETTO255_BYTES
• SODIUM_CRYPTO_SCALARMULT_RISTRETTO255_SCALARBYTES
• SODIUM_CRYPTO_CORE_RISTRETTO255_BYTES
• SODIUM_CRYPTO_CORE_RISTRETTO255_HASHBYTES
• SODIUM_CRYPTO_CORE_RISTRETTO255_SCALARBYTES
• SODIUM_CRYPTO_CORE_RISTRETTO255_NONREDUCEDSCALARBYTES

標記器 (Tokenizer)

• T_READONLY