New Functions
PHP Core
- array_key_first()
- array_key_last()
- gc_status()
- hrtime()
- is_countable()
- net_get_interfaces()
FastCGI Process Manager
- fpm_get_status()
Date and Time
GNU Multiple Precision
Internationalization Functions
- Normalizer::getRawDecomposition()
- normalizer_get_raw_decomposition()
- Spoofchecker::setRestrictionLevel()
Lightweight Directory Access Protocol
OpenSSL
- openssl_pkey_derive()